zed 0.80.1

Fix several Copilot bugs

.dockerignore

@@ -8,4 +8,4 @@ crates/collab/static/styles.css
 vendor/bin
 assets/themes/*.json
 assets/themes/internal/*.json
-assets/themes/experiments/*.json
+assets/themes/staff/*.json

.github/pull_request_template.md

@@ -1,6 +1,6 @@
 ## Description of feature or change
 
-## Link to related issues from zed or insiders
+## Link to related issues from zed or community
 
 ## Before Merging 
 

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-      - "v*"
+      - "v[0-9]+.[0-9]+.x"
     tags:
       - "v*"
   pull_request:
@@ -17,6 +17,26 @@ env:
   RUST_BACKTRACE: 1
 
 jobs:
+  rustfmt:
+    name: Check formatting
+    runs-on:
+      - self-hosted
+      - test
+    steps:
+      - name: Install Rust
+        run: |
+          rustup set profile minimal
+          rustup update stable
+
+      - name: Checkout repo
+        uses: actions/checkout@v2
+        with:
+          clean: false
+          submodules: 'recursive'
+
+      - name: cargo fmt
+        run: cargo fmt --all -- --check
+
   tests:
     name: Run tests
     runs-on:
@@ -41,12 +61,21 @@ jobs:
         with:
           clean: false
           submodules: 'recursive'
-            
+
+      - name: Run check
+        run: cargo check --workspace
+
       - name: Run tests
         run: cargo test --workspace --no-fail-fast
-    
-      - name: Build collab binaries
-        run: cargo build --bins --all-features 
+
+      - name: Build collab
+        run: cargo build -p collab
+
+      - name: Build other binaries
+        run: cargo build --workspace --bins --all-features
+
+      - name: Generate license file
+        run: script/generate-licenses
 
   bundle:
     name: Bundle app
@@ -106,6 +135,9 @@ jobs:
             exit 1
           fi
 
+      - name: Generate license file
+        run: script/generate-licenses
+
       - name: Create app bundle
         run: script/bundle
 

.github/workflows/release_actions.yml

@@ -13,12 +13,12 @@ jobs:
         webhook-url: ${{ secrets.DISCORD_WEBHOOK_URL }}
         content: |
           📣 Zed ${{ github.event.release.tag_name }} was just released!
-          
-          Restart your Zed or head to https://zed.dev/releases to grab it.
-        
+
+          Restart your Zed or head to https://zed.dev/releases/latest to grab it.
+
           ```md
-          ### Changelog
-          
+          # Changelog
+
           ${{ github.event.release.body }}
           ```
   mixpanel_release:
@@ -31,7 +31,7 @@ jobs:
           architecture: "x64"
           cache: "pip"
       - run: pip install -r script/mixpanel_release/requirements.txt
-      - run: > 
+      - run: >
           python script/mixpanel_release/main.py
           ${{ github.event.release.tag_name }}
           ${{ secrets.MIXPANEL_PROJECT_ID }}

.gitignore

@@ -7,8 +7,8 @@
 /crates/collab/static/styles.css
 /vendor/bin
 /assets/themes/*.json
-/assets/themes/Internal/*.json
-/assets/themes/Experiments/*.json
+/assets/*licenses.md
+/assets/themes/staff/*.json
 **/venv
 .build
 Packages
@@ -18,3 +18,4 @@ DerivedData/
 .swiftpm/config/registries.json
 .swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
 .netrc
+**/*.db

Cargo.toml

@@ -13,10 +13,13 @@ members = [
     "crates/collections",
     "crates/command_palette",
     "crates/context_menu",
+    "crates/copilot",
+    "crates/copilot_button",
     "crates/db",
     "crates/diagnostics",
     "crates/drag_and_drop",
     "crates/editor",
+    "crates/feedback",
     "crates/file_finder",
     "crates/fs",
     "crates/fsevent",
@@ -25,13 +28,16 @@ members = [
     "crates/go_to_line",
     "crates/gpui",
     "crates/gpui_macros",
+    "crates/install_cli",
     "crates/journal",
     "crates/language",
+    "crates/language_selector",
     "crates/live_kit_client",
     "crates/live_kit_server",
     "crates/lsp",
     "crates/media",
     "crates/menu",
+    "crates/node_runtime",
     "crates/outline",
     "crates/picker",
     "crates/plugin",
@@ -40,11 +46,14 @@ members = [
     "crates/project",
     "crates/project_panel",
     "crates/project_symbols",
+    "crates/recent_projects",
     "crates/rope",
     "crates/rpc",
     "crates/search",
     "crates/settings",
     "crates/snippet",
+    "crates/sqlez",
+    "crates/sqlez_macros",
     "crates/sum_tree",
     "crates/terminal",
     "crates/text",
@@ -54,6 +63,7 @@ members = [
     "crates/util",
     "crates/vim",
     "crates/workspace",
+    "crates/welcome",
     "crates/zed",
 ]
 default-members = ["crates/zed"]
@@ -61,11 +71,13 @@ resolver = "2"
 
 [workspace.dependencies]
 serde = { version = "1.0", features = ["derive", "rc"] }
+serde_derive = { version = "1.0", features = ["deserialize_in_place"] }
 serde_json = { version = "1.0", features = ["preserve_order", "raw_value"] }
 rand = { version = "0.8" }
+postage = { version = "0.4.1", features = ["futures-traits"] }
 
 [patch.crates-io]
-tree-sitter = { git = "https://github.com/tree-sitter/tree-sitter", rev = "366210ae925d7ea0891bc7a0c738f60c77c04d7b" }
+tree-sitter = { git = "https://github.com/tree-sitter/tree-sitter", rev = "c51896d32dcc11a38e41f36e3deb1a6a9c4f4b14" }
 async-task = { git = "https://github.com/zed-industries/async-task", rev = "341b57d6de98cdfd7b418567b8de2022ca993a6e" }
 
 # TODO - Remove when a version is released with this PR: https://github.com/servo/core-foundation-rs/pull/457
@@ -80,4 +92,3 @@ split-debuginfo = "unpacked"
 
 [profile.release]
 debug = true
-

Dockerfile

@@ -5,6 +5,7 @@ WORKDIR app
 COPY . .
 
 # Compile collab server
+ARG CARGO_PROFILE_RELEASE_PANIC=abort
 RUN --mount=type=cache,target=./script/node_modules \
     --mount=type=cache,target=/usr/local/cargo/registry \
     --mount=type=cache,target=./target \

README.md

@@ -23,10 +23,18 @@ Welcome to Zed, a lightning-fast, collaborative code editor that makes your drea
     git clone https://github.com/zed-industries/zed.dev
     ```
 
-* Set up a local `zed` database and seed it with some initial users:
+* Initialize submodules
 
     ```
-    script/bootstrap
+    git submodule update --init --recursive
+    ```
+
+* Set up a local `zed` database and seed it with some initial users:
+
+    Create a personal GitHub token to run `script/bootstrap` once successfully. Then delete that token.
+
+    ```
+    GITHUB_TOKEN=<$token> script/bootstrap
     ```
 
 ### Testing against locally-running servers
@@ -49,30 +57,14 @@ script/zed-with-local-servers --release
 
 If you trigger `cmd-alt-i`, Zed will copy a JSON representation of the current window contents to the clipboard. You can paste this in a tool like [DJSON](https://chrome.google.com/webstore/detail/djson-json-viewer-formatt/chaeijjekipecdajnijdldjjipaegdjc?hl=en) to navigate the state of on-screen elements in a structured way.
 
-### Staff Only Features
+### Licensing
 
-Many features (e.g. the terminal) take significant time and effort before they are polished enough to be released to even Alpha users. But Zed's team workflow relies on fast, daily PRs and there can be large merge conflicts for feature branchs that diverge for a few days. To bridge this gap, there is a `staff_mode` field in the Settings that staff can set to enable these unpolished or incomplete features. Note that this setting isn't leaked via autocompletion, but there is no mechanism to stop users from setting this anyway. As initilization of Zed components is only done once, on startup, setting `staff_mode` may require a restart to take effect. You can set staff only key bindings in the `assets/keymaps/internal.json` file, and add staff only themes in the `styles/src/themes/internal` directory
+We use [`cargo-about`](https://github.com/EmbarkStudios/cargo-about) to automatically comply with open source licenses. If CI is failing, check the following:
 
-### Experimental Features
+- Is it showing a `no license specified` error for a crate you've created? If so, add `publish = false` under `[package]` in your crate's Cargo.toml.
+- Is the error `failed to satisfy license requirements` for a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to the `accepted` array in `script/licenses/zed-licenses.toml`.
+- Is `cargo-about` unable to find the license for a dependency? If so, add a clarification field at the end of `script/licenses/zed-licenses.toml`, as specified in the [cargo-about book](https://embarkstudios.github.io/cargo-about/cli/generate/config.html#crate-configuration).
 
-A user facing feature flag can be added to Zed by:
-
-* Adding a setting to the crates/settings/src/settings.rs FeatureFlags struct. Use a boolean for a simple on/off, or use a struct to experiment with different configuration options. 
-* If the feature needs keybindings, add a file to the `assets/keymaps/experiments/` folder, then update the `FeatureFlags::keymap_files()` method to check for your feature's flag and add it's keybindings's path to the method's list. 
-* If you want to add an experimental theme, add it to the `styles/src/themes/experiments` folder
-
-The Settings global should be initialized with the user's feature flags by the time the feature's `init(cx)` equivalent is called.
-
-To promote an experimental feature to a full feature: 
-
-* If this is an experimental theme, move the theme file from the `styles/src/themes/experiments` folder to the `styles/src/themes/` folder
-* Take the features settings (if any) and add them under a new variable in the Settings struct. Don't forget to add a `merge()` call in `set_user_settings()`!
-* Take the feature's keybindings and add them to the default.json (or equivalent) file
-* Remove the file from the `FeatureFlags::keymap_files()` method
-* Remove the conditional in the feature's `init(cx)` equivalent.
-
-
-That's it 😸
 
 ### Wasm Plugins
 
@@ -83,56 +75,3 @@ rustup target add wasm32-wasi
 ```
 
 Plugins can be found in the `plugins` folder in the root. For more information about how plugins work, check the [Plugin Guide](./crates/plugin_runtime/README.md) in `crates/plugin_runtime/README.md`.
-
-## Roadmap
-
-We will organize our efforts around the following major milestones. We'll create tracking issues for each of these milestones to detail the individual tasks that comprise them.
-
-### Minimal text editor
-
-[Tracking issue](https://github.com/zed-industries/zed/issues/2)
-
-Ship a minimal text editor to investors and other insiders. It should be extremely fast and stable, but all it can do is open, edit, and save text files, making it potentially useful for basic editing but not for real coding.
-
-Establish basic infrastructure for building the app bundle and uploading an artifact. Once this is released, we should regularly distribute updates as features land.
-
-### Collaborative code editor for internal use
-
-[Tracking issue](https://github.com/zed-industries/zed/issues/6)
-
-Turn the minimal text editor into a collaborative _code_ editor. This will include the minimal features that the Zed team needs to collaborate in Zed to build Zed without net loss in developer productivity. This includes productivity-critical features such as:
-
-- Syntax highlighting and syntax-aware editing and navigation
-- The ability to see and edit non-local working copies of a repository
-- Language server support for Rust code navigation, refactoring, diagnostics, etc.
-- Project browsing and project-wide search and replace
-
-We want to tackle collaboration fairly early so that the rest of the design of the product can flow around that assumption. We could probably produce a single-player code editor more quickly, but at the risk of having collaboration feel more "bolted on" when we eventually add it.
-
-### Private alpha for Rust teams on macOS
-
-The "minimal" milestones were about getting Zed to a point where the Zed team could use Zed productively to build Zed. What features are required for someone outside the company to use Zed to productively work on another project that is also written in Rust?
-
-This includes infrastructure like auto-updates, error reporting, and metrics collection. It also includes some amount of polish to make the tool more discoverable for someone that didn't write it, such as a UI for updating settings and key bindings. We may also need to enhance the server to support user authentication and related concerns.
-
-The initial target audience is like us. A small team working in Rust that's potentially interested in collaborating. As the alpha proceeds, we can work with teams of different sizes.
-
-### Private beta for Rust teams on macOS
-
-Once we're getting sufficiently positive feedback from our initial alpha users, we widen the audience by letting people share invites. Now may be a good time to get Zed running on the web, so that it's extremely easy for a Zed user to share a link and be collaborating in seconds. Once someone is using Zed on the Web, we'll let them register for the private beta and download the native binary if they're on macOS.
-
-### Expand to other languages
-
-Depending on how the Rust beta is going, focus hard on dominating another niche language such as Elixr or getting a foothold within a niche of a larger language, such as React/Typescript. Alternatively, go wide at this point and add decent support several widely-used languages such as Python, Ruby, Typescript, etc. This would entail taking 1-2 weeks per language and making sure we ship a solid experience based on a publicly-available language server. Each language has slightly different development practices, so we need to make sure Zed's UX meshes well with those practices.
-
-### Future directions
-
-Each of these sections could probably broken into multiple milestones, but this part of the roadmap is too far in the future to go into that level of detail at this point.
-
-#### Expand to other platforms
-
-Support Linux and Windows. We'll probably want to hire at least one person that prefers to work on each respective platform and have them spearhead the effort to port Zed to that platform. Once they've done so, they can join the general development effort while ensuring the user experience stays good on that platform.
-
-#### Expand on collaboration
-
-To start with, we'll focus on synchronous collaboration because that's where we're most differentiated, but there's no reason we have to limit ourselves to that. How can our tool facilitate collaboration generally, whether it's sync or async? What would it take for a team to go 100% Zed and collaborate fully within the tool? If we haven't added it already, basic Git support would be nice.

assets/icons/copilot_16.svg

@@ -0,0 +1,12 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
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+</svg>

assets/keymaps/atom.json

@@ -0,0 +1,68 @@
+[
+  {
+    "bindings": {
+      "cmd-k cmd-p": "workspace::ActivatePreviousPane",
+      "cmd-k cmd-n": "workspace::ActivateNextPane"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "cmd-b": "editor::GoToDefinition",
+      "cmd-<": "editor::ScrollCursorCenter",
+      "cmd-g": [
+        "editor::SelectNext",
+        {
+          "replace_newest": true
+        }
+      ],
+      "ctrl-shift-down": "editor::AddSelectionBelow",
+      "ctrl-shift-up": "editor::AddSelectionAbove",
+      "cmd-shift-backspace": "editor::DeleteToBeginningOfLine"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {
+      "cmd-r": "outline::Toggle"
+    }
+  },
+  {
+    "context": "BufferSearchBar",
+    "bindings": {
+      "cmd-f3": "search::SelectNextMatch",
+      "cmd-shift-f3": "search::SelectPrevMatch"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "cmd-\\": "workspace::ToggleLeftSidebar",
+      "cmd-k cmd-b": "workspace::ToggleLeftSidebar",
+      "cmd-t": "file_finder::Toggle",
+      "cmd-shift-r": "project_symbols::Toggle"
+    }
+  },
+  {
+    "context": "Pane",
+    "bindings": {
+      "alt-cmd-/": "search::ToggleRegex",
+      "ctrl-0": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "ProjectPanel",
+    "bindings": {
+      "ctrl-[": "project_panel::CollapseSelectedEntry",
+      "ctrl-b": "project_panel::CollapseSelectedEntry",
+      "alt-b": "project_panel::CollapseSelectedEntry",
+      "ctrl-]": "project_panel::ExpandSelectedEntry",
+      "ctrl-f": "project_panel::ExpandSelectedEntry",
+      "ctrl-shift-c": "project_panel::CopyPath"
+    }
+  },
+  {
+    "context": "Dock",
+    "bindings": {}
+  }
+]

assets/keymaps/default.json

@@ -20,8 +20,10 @@
             "alt-cmd-left": "pane::ActivatePrevItem",
             "alt-cmd-right": "pane::ActivateNextItem",
             "cmd-w": "pane::CloseActiveItem",
-            "cmd-shift-w": "workspace::CloseWindow",
             "alt-cmd-t": "pane::CloseInactiveItems",
+            "cmd-k u": "pane::CloseCleanItems",
+            "cmd-k cmd-w": "pane::CloseAllItems",
+            "cmd-shift-w": "workspace::CloseWindow",
             "cmd-s": "workspace::Save",
             "cmd-shift-s": "workspace::SaveAs",
             "cmd-=": "zed::IncreaseBufferFontSize",
@@ -36,6 +38,7 @@
             "cmd-n": "workspace::NewFile",
             "cmd-shift-n": "workspace::NewWindow",
             "cmd-o": "workspace::Open",
+            "alt-cmd-o": "projects::OpenRecent",
             "ctrl-`": "workspace::NewTerminal"
         }
     },
@@ -66,16 +69,18 @@
             "up": "editor::MoveUp",
             "pageup": "editor::PageUp",
             "shift-pageup": "editor::MovePageUp",
+            "home": "editor::MoveToBeginningOfLine",
             "down": "editor::MoveDown",
             "pagedown": "editor::PageDown",
             "shift-pagedown": "editor::MovePageDown",
+            "end": "editor::MoveToEndOfLine",
             "left": "editor::MoveLeft",
             "right": "editor::MoveRight",
             "ctrl-p": "editor::MoveUp",
             "ctrl-n": "editor::MoveDown",
             "ctrl-b": "editor::MoveLeft",
             "ctrl-f": "editor::MoveRight",
-            "ctrl-l": "editor::CenterScreen",
+            "ctrl-l": "editor::NextScreen",
             "alt-left": "editor::MoveToPreviousWordStart",
             "alt-b": "editor::MoveToPreviousWordStart",
             "alt-right": "editor::MoveToNextWordEnd",
@@ -109,6 +114,12 @@
                     "stop_at_soft_wraps": true
                 }
             ],
+            "shift-home": [
+                "editor::SelectToBeginningOfLine",
+                {
+                    "stop_at_soft_wraps": true
+                }
+            ],
             "ctrl-shift-a": [
                 "editor::SelectToBeginningOfLine",
                 {
@@ -121,6 +132,12 @@
                     "stop_at_soft_wraps": true
                 }
             ],
+            "shift-end": [
+                "editor::SelectToEndOfLine",
+                {
+                    "stop_at_soft_wraps": true
+                }
+            ],
             "ctrl-shift-e": [
                 "editor::SelectToEndOfLine",
                 {
@@ -147,6 +164,7 @@
         "bindings": {
             "enter": "editor::Newline",
             "cmd-enter": "editor::NewlineBelow",
+            "alt-z": "editor::ToggleSoftWrap",
             "cmd-f": [
                 "buffer_search::Deploy",
                 {
@@ -158,7 +176,10 @@
                 {
                     "focus": false
                 }
-            ]
+            ],
+            "alt-]": "copilot::NextSuggestion",
+            "alt-[": "copilot::PreviousSuggestion",
+            "alt-\\": "copilot::Toggle"
         }
     },
     {
@@ -169,10 +190,10 @@
         }
     },
     {
-        "context": "BufferSearchBar",
+        "context": "BufferSearchBar > Editor",
         "bindings": {
             "escape": "buffer_search::Dismiss",
-            "cmd-f": "buffer_search::FocusEditor",
+            "tab": "buffer_search::FocusEditor",
             "enter": "search::SelectNextMatch",
             "shift-enter": "search::SelectPrevMatch"
         }
@@ -210,7 +231,13 @@
                     "replace_newest": true
                 }
             ],
-            "cmd-/": "editor::ToggleComments",
+            "cmd-k cmd-i": "editor::Hover",
+            "cmd-/": [
+                "editor::ToggleComments",
+                {
+                    "advance_downwards": false
+                }
+            ],
             "alt-up": "editor::SelectLargerSyntaxNode",
             "alt-down": "editor::SelectSmallerSyntaxNode",
             "cmd-u": "editor::UndoSelection",
@@ -225,7 +252,8 @@
             "alt-cmd-[": "editor::Fold",
             "alt-cmd-]": "editor::UnfoldLines",
             "ctrl-space": "editor::ShowCompletions",
-            "cmd-.": "editor::ToggleCodeActions"
+            "cmd-.": "editor::ToggleCodeActions",
+            "alt-cmd-r": "editor::RevealInFinder"
         }
     },
     {
@@ -329,7 +357,8 @@
             "cmd-shift-p": "command_palette::Toggle",
             "cmd-shift-m": "diagnostics::Deploy",
             "cmd-shift-e": "project_panel::ToggleFocus",
-            "cmd-alt-s": "workspace::SaveAll"
+            "cmd-alt-s": "workspace::SaveAll",
+            "cmd-k m": "language_selector::Toggle"
         }
     },
     // Bindings from Sublime Text
@@ -395,7 +424,7 @@
     {
         "bindings": {
             "ctrl-alt-cmd-f": "workspace::FollowNextCollaborator",
-            "cmd-shift-c": "collab::ToggleCollaborationMenu",
+            "cmd-shift-c": "collab::ToggleContactsMenu",
             "cmd-alt-i": "zed::DebugElements"
         }
     },
@@ -416,8 +445,7 @@
     {
         "context": "Workspace",
         "bindings": {
-            "shift-escape": "dock::FocusDock",
-            "cmd-shift-b": "workspace::ToggleRightSidebar"
+            "shift-escape": "dock::FocusDock"
         }
     },
     {
@@ -428,15 +456,16 @@
         }
     },
     {
-        "context": "Dock",
+        "context": "Pane",
         "bindings": {
-            "shift-escape": "dock::HideDock"
+            "cmd-escape": "dock::AddTabToDock"
         }
     },
     {
-        "context": "Pane",
+        "context": "Pane && docked",
         "bindings": {
-            "cmd-escape": "dock::MoveActiveItemToDock"
+            "shift-escape": "dock::HideDock",
+            "cmd-escape": "dock::RemoveTabFromDock"
         }
     },
     {
@@ -449,7 +478,8 @@
             "cmd-v": "project_panel::Paste",
             "cmd-alt-c": "project_panel::CopyPath",
             "f2": "project_panel::Rename",
-            "backspace": "project_panel::Delete"
+            "backspace": "project_panel::Delete",
+            "alt-cmd-r": "project_panel::RevealInFinder"
         }
     },
     {
@@ -472,6 +502,15 @@
                 "terminal::SendText",
                 "\u0001"
             ],
+            // Terminal.app compatability
+            "alt-left": [
+                "terminal::SendText",
+                "\u001bb"
+            ],
+            "alt-right": [
+                "terminal::SendText",
+                "\u001bf"
+            ],
             // There are conflicting bindings for these keys in the global context.
             // these bindings override them, remove at your own risk:
             "up": [
@@ -504,4 +543,4 @@
             ]
         }
     }
-]
+]

assets/keymaps/internal.json

@@ -1 +0,0 @@
-[]

assets/keymaps/jetbrains.json

@@ -0,0 +1,78 @@
+[
+  {
+    "bindings": {
+      "cmd-shift-[": "pane::ActivatePrevItem",
+      "cmd-shift-]": "pane::ActivateNextItem"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "ctrl->": "zed::IncreaseBufferFontSize",
+      "ctrl-<": "zed::DecreaseBufferFontSize",
+      "cmd-d": "editor::DuplicateLine",
+      "cmd-pagedown": "editor::MovePageDown",
+      "cmd-pageup": "editor::MovePageUp",
+      "ctrl-alt-shift-b": "editor::SelectToPreviousWordStart",
+      "shift-enter": "editor::NewlineBelow",
+      "cmd--": "editor::Fold",
+      "cmd-=": "editor::UnfoldLines",
+      "alt-shift-g": "editor::SplitSelectionIntoLines",
+      "ctrl-g": [
+        "editor::SelectNext",
+        {
+          "replace_newest": false
+        }
+      ],
+      "cmd-/": [
+        "editor::ToggleComments",
+        {
+          "advance_downwards": true
+        }
+      ],
+      "shift-alt-up": "editor::MoveLineUp",
+      "shift-alt-down": "editor::MoveLineDown",
+      "cmd-[": "pane::GoBack",
+      "cmd-]": "pane::GoForward",
+      "alt-f7": "editor::FindAllReferences",
+      "cmd-alt-f7": "editor::FindAllReferences",
+      "cmd-b": "editor::GoToDefinition",
+      "cmd-alt-b": "editor::GoToDefinition",
+      "cmd-shift-b": "editor::GoToTypeDefinition",
+      "alt-enter": "editor::ToggleCodeActions",
+      "f2": "editor::GoToDiagnostic",
+      "cmd-f2": "editor::GoToPrevDiagnostic",
+      "ctrl-alt-shift-down": "editor::GoToHunk",
+      "ctrl-alt-shift-up": "editor::GoToPrevHunk",
+      "cmd-home": "editor::MoveToBeginning",
+      "cmd-end": "editor::MoveToEnd",
+      "cmd-shift-home": "editor::SelectToBeginning",
+      "cmd-shift-end": "editor::SelectToEnd"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {
+      "cmd-f12": "outline::Toggle",
+      "cmd-7": "outline::Toggle",
+      "cmd-shift-o": "file_finder::Toggle",
+      "cmd-l": "go_to_line::Toggle"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "cmd-shift-a": "command_palette::Toggle",
+      "cmd-alt-o": "project_symbols::Toggle",
+      "cmd-1": "workspace::ToggleLeftSidebar",
+      "cmd-6": "diagnostics::Deploy",
+      "alt-f12": "dock::FocusDock"
+    }
+  },
+  {
+    "context": "Dock",
+    "bindings": {
+      "alt-f12": "dock::HideDock"
+    }
+  }
+]

assets/keymaps/sublime_text.json

@@ -0,0 +1,60 @@
+[
+  {
+    "bindings": {
+      "cmd-shift-[": "pane::ActivatePrevItem",
+      "cmd-shift-]": "pane::ActivateNextItem",
+      "ctrl-pagedown": "pane::ActivatePrevItem",
+      "ctrl-pageup": "pane::ActivateNextItem",
+      "ctrl-shift-tab": "pane::ActivateNextItem",
+      "ctrl-tab": "pane::ActivatePrevItem",
+      "cmd-+": "zed::IncreaseBufferFontSize"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "ctrl-shift-up": "editor::AddSelectionAbove",
+      "ctrl-shift-down": "editor::AddSelectionBelow",
+      "cmd-shift-space": "editor::SelectAll",
+      "ctrl-shift-m": "editor::SelectLargerSyntaxNode",
+      "cmd-shift-a": "editor::SelectLargerSyntaxNode",
+      "shift-f12": "editor::FindAllReferences",
+      "alt-cmd-down": "editor::GoToDefinition",
+      "alt-shift-cmd-down": "editor::FindAllReferences",
+      "ctrl-.": "editor::GoToHunk",
+      "ctrl-,": "editor::GoToPrevHunk",
+      "ctrl-backspace": "editor::DeleteToPreviousWordStart",
+      "ctrl-delete": "editor::DeleteToNextWordEnd"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {
+      "cmd-r": "outline::Toggle"
+    }
+  },
+  {
+    "context": "Pane",
+    "bindings": {
+      "f4": "search::SelectNextMatch",
+      "shift-f4": "search::SelectPrevMatch"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "ctrl-`": "dock::FocusDock",
+      "cmd-k cmd-b": "workspace::ToggleLeftSidebar",
+      "cmd-t": "file_finder::Toggle",
+      "shift-cmd-r": "project_symbols::Toggle",
+      // Currently busted: https://github.com/zed-industries/feedback/issues/898
+      "ctrl-0": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "Dock",
+    "bindings": {
+      "ctrl-`": "dock::HideDock"
+    }
+  }
+]

assets/keymaps/textmate.json

@@ -0,0 +1,90 @@
+[
+  {
+    "bindings": {
+      "cmd-shift-o": "projects::OpenRecent",
+      "cmd-alt-tab": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "Editor",
+    "bindings": {
+      "cmd-l": "go_to_line::Toggle",
+      "ctrl-shift-d": "editor::DuplicateLine",
+      "cmd-b": "editor::GoToDefinition",
+      "cmd-j": "editor::ScrollCursorCenter",
+      "cmd-enter": "editor::NewlineBelow",
+      "cmd-shift-l": "editor::SelectLine",
+      "cmd-shift-t": "outline::Toggle",
+      "alt-backspace": "editor::DeleteToPreviousWordStart",
+      "alt-shift-backspace": "editor::DeleteToNextWordEnd",
+      "alt-delete": "editor::DeleteToNextWordEnd",
+      "alt-shift-delete": "editor::DeleteToNextWordEnd",
+      "ctrl-backspace": "editor::DeleteToPreviousSubwordStart",
+      "ctrl-delete": "editor::DeleteToNextSubwordEnd",
+      "alt-left": [
+        "editor::MoveToPreviousWordStart",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "alt-right": [
+        "editor::MoveToNextWordEnd",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "ctrl-left": "editor::MoveToPreviousSubwordStart",
+      "ctrl-right": "editor::MoveToNextSubwordEnd",
+      "cmd-shift-left": "editor::SelectToBeginningOfLine",
+      "cmd-shift-right": "editor::SelectToEndOfLine",
+      "alt-shift-left": [
+        "editor::SelectToBeginningOfLine",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "alt-shift-right": [
+        "editor::SelectToEndOfLine",
+        {
+          "stop_at_soft_wraps": true
+        }
+      ],
+      "ctrl-shift-left": "editor::SelectToPreviousSubwordStart",
+      "ctrl-shift-right": "editor::SelectToNextSubwordEnd"
+    }
+  },
+  {
+    "context": "Editor && mode == full",
+    "bindings": {}
+  },
+  {
+    "context": "BufferSearchBar",
+    "bindings": {
+      "ctrl-s": "search::SelectNextMatch",
+      "ctrl-shift-s": "search::SelectPrevMatch"
+    }
+  },
+  {
+    "context": "Workspace",
+    "bindings": {
+      "cmd-alt-ctrl-d": "workspace::ToggleLeftSidebar",
+      "cmd-t": "file_finder::Toggle",
+      "cmd-shift-t": "project_symbols::Toggle"
+    }
+  },
+  {
+    "context": "Pane",
+    "bindings": {
+      "alt-cmd-r": "search::ToggleRegex",
+      "ctrl-tab": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "ProjectPanel",
+    "bindings": {}
+  },
+  {
+    "context": "Dock",
+    "bindings": {}
+  }
+]

assets/keymaps/vim.json

@@ -1,6 +1,6 @@
 [
     {
-        "context": "Editor && VimControl",
+        "context": "Editor && VimControl && !VimWaiting",
         "bindings": {
             "g": [
                 "vim::PushOperator",
@@ -8,9 +8,26 @@
                     "Namespace": "G"
                 }
             ],
+            "i": [
+                "vim::PushOperator",
+                {
+                    "Object": {
+                        "around": false
+                    }
+                }
+            ],
+            "a": [
+                "vim::PushOperator",
+                {
+                    "Object": {
+                        "around": true
+                    }
+                }
+            ],
             "h": "vim::Left",
             "backspace": "vim::Backspace",
             "j": "vim::Down",
+            "enter": "vim::NextLineStart",
             "k": "vim::Up",
             "l": "vim::Right",
             "$": "vim::EndOfLine",
@@ -37,23 +54,43 @@
                 }
             ],
             "%": "vim::Matching",
+            "ctrl-y": [
+                "vim::Scroll",
+                "LineUp"
+            ],
+            "f": [
+                "vim::PushOperator",
+                {
+                    "FindForward": {
+                        "before": false
+                    }
+                }
+            ],
+            "t": [
+                "vim::PushOperator",
+                {
+                    "FindForward": {
+                        "before": true
+                    }
+                }
+            ],
+            "shift-f": [
+                "vim::PushOperator",
+                {
+                    "FindBackward": {
+                        "after": false
+                    }
+                }
+            ],
+            "shift-t": [
+                "vim::PushOperator",
+                {
+                    "FindBackward": {
+                        "after": true
+                    }
+                }
+            ],
             "escape": "editor::Cancel",
-            "i": [
-                "vim::PushOperator",
-                {
-                    "Object": {
-                        "around": false
-                    }
-                }
-            ],
-            "a": [
-                "vim::PushOperator",
-                {
-                    "Object": {
-                        "around": true
-                    }
-                }
-            ],
             "0": "vim::StartOfLine", // When no number operator present, use start of line motion
             "1": [
                 "vim::Number",
@@ -94,7 +131,7 @@
         }
     },
     {
-        "context": "Editor && vim_mode == normal && vim_operator == none",
+        "context": "Editor && vim_mode == normal && vim_operator == none && !VimWaiting",
         "bindings": {
             "c": [
                 "vim::PushOperator",
@@ -110,6 +147,12 @@
                 "vim::PushOperator",
                 "Yank"
             ],
+            "z": [
+                "vim::PushOperator",
+                {
+                    "Namespace": "Z"
+                }
+            ],
             "i": [
                 "vim::SwitchMode",
                 "Insert"
@@ -147,6 +190,30 @@
                 {
                     "focus": true
                 }
+            ],
+            "ctrl-f": [
+                "vim::Scroll",
+                "PageDown"
+            ],
+            "ctrl-b": [
+                "vim::Scroll",
+                "PageUp"
+            ],
+            "ctrl-d": [
+                "vim::Scroll",
+                "HalfPageDown"
+            ],
+            "ctrl-u": [
+                "vim::Scroll",
+                "HalfPageUp"
+            ],
+            "ctrl-e": [
+                "vim::Scroll",
+                "LineDown"
+            ],
+            "r": [
+                "vim::PushOperator",
+                "Replace"
             ]
         }
     },
@@ -167,7 +234,8 @@
             "escape": [
                 "vim::SwitchMode",
                 "Normal"
-            ]
+            ],
+            "d": "editor::GoToDefinition"
         }
     },
     {
@@ -188,6 +256,18 @@
             "y": "vim::CurrentLine"
         }
     },
+    {
+        "context": "Editor && vim_operator == z",
+        "bindings": {
+            "t": "editor::ScrollCursorTop",
+            "z": "editor::ScrollCursorCenter",
+            "b": "editor::ScrollCursorBottom",
+            "escape": [
+                "vim::SwitchMode",
+                "Normal"
+            ]
+        }
+    },
     {
         "context": "Editor && VimObject",
         "bindings": {
@@ -213,14 +293,18 @@
         }
     },
     {
-        "context": "Editor && vim_mode == visual",
+        "context": "Editor && vim_mode == visual && !VimWaiting",
         "bindings": {
             "u": "editor::Undo",
             "c": "vim::VisualChange",
             "d": "vim::VisualDelete",
             "x": "vim::VisualDelete",
             "y": "vim::VisualYank",
-            "p": "vim::VisualPaste"
+            "p": "vim::VisualPaste",
+            "r": [
+                "vim::PushOperator",
+                "Replace"
+            ]
         }
     },
     {
@@ -229,5 +313,13 @@
             "escape": "vim::NormalBefore",
             "ctrl-c": "vim::NormalBefore"
         }
+    },
+    {
+        "context": "Editor && VimWaiting",
+        "bindings": {
+            "tab": "vim::Tab",
+            "enter": "vim::Enter",
+            "escape": "editor::Cancel"
+        }
     }
 ]

assets/settings/default.json

@@ -1,230 +1,258 @@
 {
-  // The name of the Zed theme to use for the UI
-  "theme": "One Dark",
-  // The name of a font to use for rendering text in the editor
-  "buffer_font_family": "Zed Mono",
-  // The default font size for text in the editor
-  "buffer_font_size": 15,
-  // Whether to enable vim modes and key bindings
-  "vim_mode": false,
-  // Whether to show the informational hover box when moving the mouse
-  // over symbols in the editor.
-  "hover_popover_enabled": true,
-  // Whether the cursor blinks in the editor.
-  "cursor_blink": true,
-  // Whether to pop the completions menu while typing in an editor without
-  // explicitly requesting it.
-  "show_completions_on_input": true,
-  // Whether new projects should start out 'online'. Online projects
-  // appear in the contacts panel under your name, so that your contacts
-  // can see which projects you are working on. Regardless of this
-  // setting, projects keep their last online status when you reopen them.
-  "projects_online_by_default": true,
-  // Whether to use language servers to provide code intelligence.
-  "enable_language_server": true,
-  // When to automatically save edited buffers. This setting can
-  // take four values.
-  //
-  // 1. Never automatically save:
-  //     "autosave": "off",
-  // 2. Save when changing focus away from the Zed window:
-  //     "autosave": "on_window_change",
-  // 3. Save when changing focus away from a specific buffer:
-  //     "autosave": "on_focus_change",
-  // 4. Save when idle for a certain amount of time:
-  //     "autosave": { "after_delay": {"milliseconds": 500} },
-  "autosave": "off",
-  // Where to place the dock by default. This setting can take three
-  // values:
-  //
-  // 1. Position the dock attached to the bottom of the workspace
-  //     "default_dock_anchor": "bottom"
-  // 2. Position the dock to the right of the workspace like a side panel
-  //     "default_dock_anchor": "right"
-  // 3. Position the dock full screen over the entire workspace"
-  //     "default_dock_anchor": "expanded"
-  "default_dock_anchor": "right",
-  // Whether or not to perform a buffer format before saving
-  "format_on_save": "on",
-  // How to perform a buffer format. This setting can take two values:
-  //
-  // 1. Format code using the current language server:
-  //     "format_on_save": "language_server"
-  // 2. Format code using an external command:
-  //     "format_on_save": {
-  //       "external": {
-  //         "command": "prettier",
-  //         "arguments": ["--stdin-filepath", "{buffer_path}"]
-  //       }
-  //     }
-  "formatter": "language_server",
-  // How to soft-wrap long lines of text. This setting can take
-  // three values:
-  //
-  // 1. Do not soft wrap.
-  //      "soft_wrap": "none",
-  // 2. Soft wrap lines that overflow the editor:
-  //      "soft_wrap": "editor_width",
-  // 3. Soft wrap lines at the preferred line length
-  //      "soft_wrap": "preferred_line_length",
-  "soft_wrap": "none",
-  // The column at which to soft-wrap lines, for buffers where soft-wrap
-  // is enabled.
-  "preferred_line_length": 80,
-  // Whether to indent lines using tab characters, as opposed to multiple
-  // spaces.
-  "hard_tabs": false,
-  // How many columns a tab should occupy.
-  "tab_size": 4,
-  // Git gutter behavior configuration.
-  "git": {
-    // Control whether the git gutter is shown. May take 2 values:
-    // 1. Show the gutter
-    //      "git_gutter": "tracked_files"
-    // 2. Hide the gutter
-    //      "git_gutter": "hide"
-    "git_gutter": "tracked_files"
-  },
-  // Settings specific to journaling
-  "journal": {
-    // The path of the directory where journal entries are stored
-    "path": "~",
-    // What format to display the hours in
-    // May take 2 values:
-    // 1. hour12
-    // 2. hour24
-    "hour_format": "hour12"
-  },
-  // Settings specific to the terminal
-  "terminal": {
-    // What shell to use when opening a terminal. May take 3 values:
-    // 1. Use the system's default terminal configuration (e.g. $TERM).
-    //      "shell": "system"
-    // 2. A program:
-    //      "shell": {
-    //        "program": "sh"
-    //      }
-    // 3. A program with arguments:
-    //     "shell": {
-    //         "with_arguments": {
-    //           "program": "/bin/bash",
-    //           "arguments": ["--login"]
-    //         }
-    //     }
-    "shell": "system",
-    // What working directory to use when launching the terminal.
-    // May take 4 values:
-    // 1. Use the current file's project directory.  Will Fallback to the
-    //    first project directory strategy if unsuccessful
-    //      "working_directory": "current_project_directory"
-    // 2. Use the first project in this workspace's directory
-    //      "working_directory": "first_project_directory"
-    // 3. Always use this platform's home directory (if we can find it)
-    //     "working_directory": "always_home"
-    // 4. Always use a specific directory. This value will be shell expanded.
-    //    If this path is not a valid directory the terminal will default to
-    //    this platform's home directory  (if we can find it)
-    //      "working_directory": {
-    //        "always": {
-    //          "directory": "~/zed/projects/"
-    //        }
-    //      }
+    // The name of the Zed theme to use for the UI
+    "theme": "One Dark",
+    // The name of a font to use for rendering text in the editor
+    "buffer_font_family": "Zed Mono",
+    // The OpenType features to enable for text in the editor.
+    "buffer_font_features": {
+        // Disable ligatures:
+        // "calt": false
+    },
+    // The default font size for text in the editor
+    "buffer_font_size": 15,
+    // The factor to grow the active pane by. Defaults to 1.0
+    // which gives the same size as all other panes.
+    "active_pane_magnification": 1.0,
+    // Enable / disable copilot integration.
+    "enable_copilot_integration": true,
+    // Controls whether copilot provides suggestion immediately
+    // or waits for a `copilot::Toggle`
+    "copilot": "on",
+    // Whether to enable vim modes and key bindings
+    "vim_mode": false,
+    // Whether to show the informational hover box when moving the mouse
+    // over symbols in the editor.
+    "hover_popover_enabled": true,
+    // Whether to confirm before quitting Zed.
+    "confirm_quit": false,
+    // Whether the cursor blinks in the editor.
+    "cursor_blink": true,
+    // Whether to pop the completions menu while typing in an editor without
+    // explicitly requesting it.
+    "show_completions_on_input": true,
+    // Whether the screen sharing icon is shown in the os status bar.
+    "show_call_status_icon": true,
+    // Whether to use language servers to provide code intelligence.
+    "enable_language_server": true,
+    // When to automatically save edited buffers. This setting can
+    // take four values.
     //
+    // 1. Never automatically save:
+    //     "autosave": "off",
+    // 2. Save when changing focus away from the Zed window:
+    //     "autosave": "on_window_change",
+    // 3. Save when changing focus away from a specific buffer:
+    //     "autosave": "on_focus_change",
+    // 4. Save when idle for a certain amount of time:
+    //     "autosave": { "after_delay": {"milliseconds": 500} },
+    "autosave": "off",
+    // Where to place the dock by default. This setting can take three
+    // values:
     //
-    "working_directory": "current_project_directory",
-    // Set the cursor blinking behavior in the terminal.
-    // May take 4 values:
-    //  1. Never blink the cursor, ignoring the terminal mode
-    //         "blinking": "off",
-    //  2. Default the cursor blink to off, but allow the terminal to
-    //     set blinking
-    //         "blinking": "terminal_controlled",
-    //  3. Always blink the cursor, ignoring the terminal mode
-    //         "blinking": "on",
-    "blinking": "terminal_controlled",
-    // Set whether Alternate Scroll mode (code: ?1007) is active by default.
-    // Alternate Scroll mode converts mouse scroll events into up / down key
-    // presses when in the alternate screen (e.g. when running applications
-    // like vim or  less). The terminal can still set and unset this mode.
-    // May take 2 values:
-    //  1. Default alternate scroll mode to on
-    //         "alternate_scroll": "on",
-    //  2. Default alternate scroll mode to off
-    //         "alternate_scroll": "off",
-    "alternate_scroll": "off",
-    // Set whether the option key behaves as the meta key.
-    // May take 2 values:
-    //  1. Rely on default platform handling of option key, on macOS
-    //     this means generating certain unicode characters
-    //         "option_to_meta": false,
-    //  2. Make the option keys behave as a 'meta' key, e.g. for emacs
-    //         "option_to_meta": true,
-    "option_as_meta": false,
-    // Whether or not selecting text in the terminal will automatically
-    // copy to the system clipboard.
-    "copy_on_select": false,
-    // Any key-value pairs added to this list will be added to the terminal's
-    // enviroment. Use `:` to seperate multiple values.
-    "env": {
-      // "KEY": "value1:value2"
-    }
-    // Set the terminal's font size. If this option is not included,
-    // the terminal will default to matching the buffer's font size.
-    // "font_size": "15"
-    // Set the terminal's font family. If this option is not included,
-    // the terminal will default to matching the buffer's font family.
-    // "font_family": "Zed Mono"
-  },
-  // Different settings for specific languages.
-  "languages": {
-    "Plain Text": {
-      "soft_wrap": "preferred_line_length"
-    },
-    "C": {
-      "tab_size": 2
-    },
-    "C++": {
-      "tab_size": 2
-    },
-    "Elixir": {
-      "tab_size": 2
-    },
-    "Go": {
-      "tab_size": 4,
-      "hard_tabs": true
-    },
-    "Markdown": {
-      "soft_wrap": "preferred_line_length"
-    },
-    "Rust": {
-      "tab_size": 4
-    },
-    "JavaScript": {
-      "tab_size": 2
-    },
-    "TypeScript": {
-      "tab_size": 2
-    },
-    "TSX": {
-      "tab_size": 2
-    }
-  },
-  // LSP Specific settings.
-  "lsp": {
-    // Specify the LSP name as a key here.
-    // As of 8/10/22, supported LSPs are:
-    // pyright
-    // gopls
-    // rust-analyzer
-    // typescript-language-server
-    // vscode-json-languageserver
-    // "rust_analyzer": {
-    //     //These initialization options are merged into Zed's defaults
-    //     "initialization_options": {
-    //         "checkOnSave": {
-    //             "command": "clippy"
-    //         }
+    // 1. Position the dock attached to the bottom of the workspace
+    //     "default_dock_anchor": "bottom"
+    // 2. Position the dock to the right of the workspace like a side panel
+    //     "default_dock_anchor": "right"
+    // 3. Position the dock full screen over the entire workspace"
+    //     "default_dock_anchor": "expanded"
+    "default_dock_anchor": "bottom",
+    // Whether or not to remove any trailing whitespace from lines of a buffer
+    // before saving it.
+    "remove_trailing_whitespace_on_save": true,
+    // Whether or not to ensure there's a single newline at the end of a buffer
+    // when saving it.
+    "ensure_final_newline_on_save": true,
+    // Whether or not to perform a buffer format before saving
+    "format_on_save": "on",
+    // How to perform a buffer format. This setting can take two values:
+    //
+    // 1. Format code using the current language server:
+    //     "format_on_save": "language_server"
+    // 2. Format code using an external command:
+    //     "format_on_save": {
+    //       "external": {
+    //         "command": "prettier",
+    //         "arguments": ["--stdin-filepath", "{buffer_path}"]
+    //       }
     //     }
-    // }
-  }
+    "formatter": "language_server",
+    // How to soft-wrap long lines of text. This setting can take
+    // three values:
+    //
+    // 1. Do not soft wrap.
+    //      "soft_wrap": "none",
+    // 2. Soft wrap lines that overflow the editor:
+    //      "soft_wrap": "editor_width",
+    // 3. Soft wrap lines at the preferred line length
+    //      "soft_wrap": "preferred_line_length",
+    "soft_wrap": "none",
+    // The column at which to soft-wrap lines, for buffers where soft-wrap
+    // is enabled.
+    "preferred_line_length": 80,
+    // Whether to indent lines using tab characters, as opposed to multiple
+    // spaces.
+    "hard_tabs": false,
+    // How many columns a tab should occupy.
+    "tab_size": 4,
+    // Control what info is collected by Zed.
+    "telemetry": {
+        // Send debug info like crash reports.
+        "diagnostics": true,
+        // Send anonymized usage data like what languages you're using Zed with.
+        "metrics": true
+    },
+    // Automatically update Zed
+    "auto_update": true,
+    // Git gutter behavior configuration.
+    "git": {
+        // Control whether the git gutter is shown. May take 2 values:
+        // 1. Show the gutter
+        //      "git_gutter": "tracked_files"
+        // 2. Hide the gutter
+        //      "git_gutter": "hide"
+        "git_gutter": "tracked_files"
+    },
+    // Settings specific to journaling
+    "journal": {
+        // The path of the directory where journal entries are stored
+        "path": "~",
+        // What format to display the hours in
+        // May take 2 values:
+        // 1. hour12
+        // 2. hour24
+        "hour_format": "hour12"
+    },
+    // Settings specific to the terminal
+    "terminal": {
+        // What shell to use when opening a terminal. May take 3 values:
+        // 1. Use the system's default terminal configuration in /etc/passwd
+        //      "shell": "system"
+        // 2. A program:
+        //      "shell": {
+        //        "program": "sh"
+        //      }
+        // 3. A program with arguments:
+        //     "shell": {
+        //         "with_arguments": {
+        //           "program": "/bin/bash",
+        //           "arguments": ["--login"]
+        //         }
+        //     }
+        "shell": "system",
+        // What working directory to use when launching the terminal.
+        // May take 4 values:
+        // 1. Use the current file's project directory.  Will Fallback to the
+        //    first project directory strategy if unsuccessful
+        //      "working_directory": "current_project_directory"
+        // 2. Use the first project in this workspace's directory
+        //      "working_directory": "first_project_directory"
+        // 3. Always use this platform's home directory (if we can find it)
+        //     "working_directory": "always_home"
+        // 4. Always use a specific directory. This value will be shell expanded.
+        //    If this path is not a valid directory the terminal will default to
+        //    this platform's home directory  (if we can find it)
+        //      "working_directory": {
+        //        "always": {
+        //          "directory": "~/zed/projects/"
+        //        }
+        //      }
+        //
+        //
+        "working_directory": "current_project_directory",
+        // Set the cursor blinking behavior in the terminal.
+        // May take 4 values:
+        //  1. Never blink the cursor, ignoring the terminal mode
+        //         "blinking": "off",
+        //  2. Default the cursor blink to off, but allow the terminal to
+        //     set blinking
+        //         "blinking": "terminal_controlled",
+        //  3. Always blink the cursor, ignoring the terminal mode
+        //         "blinking": "on",
+        "blinking": "terminal_controlled",
+        // Set whether Alternate Scroll mode (code: ?1007) is active by default.
+        // Alternate Scroll mode converts mouse scroll events into up / down key
+        // presses when in the alternate screen (e.g. when running applications
+        // like vim or  less). The terminal can still set and unset this mode.
+        // May take 2 values:
+        //  1. Default alternate scroll mode to on
+        //         "alternate_scroll": "on",
+        //  2. Default alternate scroll mode to off
+        //         "alternate_scroll": "off",
+        "alternate_scroll": "off",
+        // Set whether the option key behaves as the meta key.
+        // May take 2 values:
+        //  1. Rely on default platform handling of option key, on macOS
+        //     this means generating certain unicode characters
+        //         "option_to_meta": false,
+        //  2. Make the option keys behave as a 'meta' key, e.g. for emacs
+        //         "option_to_meta": true,
+        "option_as_meta": false,
+        // Whether or not selecting text in the terminal will automatically
+        // copy to the system clipboard.
+        "copy_on_select": false,
+        // Any key-value pairs added to this list will be added to the terminal's
+        // enviroment. Use `:` to seperate multiple values.
+        "env": {
+            // "KEY": "value1:value2"
+        }
+        // Set the terminal's font size. If this option is not included,
+        // the terminal will default to matching the buffer's font size.
+        // "font_size": "15"
+        // Set the terminal's font family. If this option is not included,
+        // the terminal will default to matching the buffer's font family.
+        // "font_family": "Zed Mono"
+    },
+    // Different settings for specific languages.
+    "languages": {
+        "Plain Text": {
+            "soft_wrap": "preferred_line_length",
+            // Copilot can be a little strange on non-code files
+            "copilot": "off"
+        },
+        "Elixir": {
+            "tab_size": 2
+        },
+        "Go": {
+            "tab_size": 4,
+            "hard_tabs": true
+        },
+        "Markdown": {
+            "soft_wrap": "preferred_line_length",
+            // Copilot can be a little strange on non-code files
+            "copilot": "off"
+        },
+        "JavaScript": {
+            "tab_size": 2
+        },
+        "TypeScript": {
+            "tab_size": 2
+        },
+        "TSX": {
+            "tab_size": 2
+        },
+        "YAML": {
+            "tab_size": 2
+        },
+        "JSON": {
+            "copilot": "off"
+        }
+    },
+    // LSP Specific settings.
+    "lsp": {
+        // Specify the LSP name as a key here.
+        // As of 8/10/22, supported LSPs are:
+        // pyright
+        // gopls
+        // rust-analyzer
+        // typescript-language-server
+        // vscode-json-languageserver
+        // "rust-analyzer": {
+        //     //These initialization options are merged into Zed's defaults
+        //     "initialization_options": {
+        //         "checkOnSave": {
+        //             "command": "clippy"
+        //         }
+        //     }
+        // }
+    }
 }

crates/activity_indicator/Cargo.toml

@@ -2,6 +2,7 @@
 name = "activity_indicator"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/activity_indicator.rs"

crates/activity_indicator/src/activity_indicator.rs

@@ -11,13 +11,12 @@ use settings::Settings;
 use smallvec::SmallVec;
 use std::{cmp::Reverse, fmt::Write, sync::Arc};
 use util::ResultExt;
-use workspace::{ItemHandle, StatusItemView, Workspace};
+use workspace::{item::ItemHandle, StatusItemView, Workspace};
 
 actions!(lsp_status, [ShowErrorMessage]);
 
 const DOWNLOAD_ICON: &str = "icons/download_12.svg";
 const WARNING_ICON: &str = "icons/triangle_exclamation_12.svg";
-const DONE_ICON: &str = "icons/circle_check_12.svg";
 
 pub enum Event {
     ShowError { lsp_name: Arc<str>, error: String },
@@ -34,6 +33,19 @@ struct LspStatus {
     status: LanguageServerBinaryStatus,
 }
 
+struct PendingWork<'a> {
+    language_server_name: &'a str,
+    progress_token: &'a str,
+    progress: &'a LanguageServerProgress,
+}
+
+#[derive(Default)]
+struct Content {
+    icon: Option<&'static str>,
+    message: String,
+    action: Option<Box<dyn Action>>,
+}
+
 pub fn init(cx: &mut MutableAppContext) {
     cx.add_action(ActivityIndicator::show_error_message);
     cx.add_action(ActivityIndicator::dismiss_error_message);
@@ -70,6 +82,8 @@ impl ActivityIndicator {
             if let Some(auto_updater) = auto_updater.as_ref() {
                 cx.observe(auto_updater, |_, _, cx| cx.notify()).detach();
             }
+            cx.observe_active_labeled_tasks(|_, cx| cx.notify())
+                .detach();
 
             Self {
                 statuses: Default::default(),
@@ -131,7 +145,7 @@ impl ActivityIndicator {
     fn pending_language_server_work<'a>(
         &self,
         cx: &'a AppContext,
-    ) -> impl Iterator<Item = (&'a str, &'a str, &'a LanguageServerProgress)> {
+    ) -> impl Iterator<Item = PendingWork<'a>> {
         self.project
             .read(cx)
             .language_server_statuses()
@@ -143,23 +157,29 @@ impl ActivityIndicator {
                     let mut pending_work = status
                         .pending_work
                         .iter()
-                        .map(|(token, progress)| (status.name.as_str(), token.as_str(), progress))
+                        .map(|(token, progress)| PendingWork {
+                            language_server_name: status.name.as_str(),
+                            progress_token: token.as_str(),
+                            progress,
+                        })
                         .collect::<SmallVec<[_; 4]>>();
-                    pending_work.sort_by_key(|(_, _, progress)| Reverse(progress.last_update_at));
+                    pending_work.sort_by_key(|work| Reverse(work.progress.last_update_at));
                     Some(pending_work)
                 }
             })
             .flatten()
     }
 
-    fn content_to_render(
-        &mut self,
-        cx: &mut RenderContext<Self>,
-    ) -> (Option<&'static str>, String, Option<Box<dyn Action>>) {
+    fn content_to_render(&mut self, cx: &mut RenderContext<Self>) -> Content {
         // Show any language server has pending activity.
         let mut pending_work = self.pending_language_server_work(cx);
-        if let Some((lang_server_name, progress_token, progress)) = pending_work.next() {
-            let mut message = lang_server_name.to_string();
+        if let Some(PendingWork {
+            language_server_name,
+            progress_token,
+            progress,
+        }) = pending_work.next()
+        {
+            let mut message = language_server_name.to_string();
 
             message.push_str(": ");
             if let Some(progress_message) = progress.message.as_ref() {
@@ -177,7 +197,11 @@ impl ActivityIndicator {
                 write!(&mut message, " + {} more", additional_work_count).unwrap();
             }
 
-            return (None, message, None);
+            return Content {
+                icon: None,
+                message,
+                action: None,
+            };
         }
 
         // Show any language server installation info.
@@ -200,19 +224,19 @@ impl ActivityIndicator {
         }
 
         if !downloading.is_empty() {
-            return (
-                Some(DOWNLOAD_ICON),
-                format!(
+            return Content {
+                icon: Some(DOWNLOAD_ICON),
+                message: format!(
                     "Downloading {} language server{}...",
                     downloading.join(", "),
                     if downloading.len() > 1 { "s" } else { "" }
                 ),
-                None,
-            );
+                action: None,
+            };
         } else if !checking_for_update.is_empty() {
-            return (
-                Some(DOWNLOAD_ICON),
-                format!(
+            return Content {
+                icon: Some(DOWNLOAD_ICON),
+                message: format!(
                     "Checking for updates to {} language server{}...",
                     checking_for_update.join(", "),
                     if checking_for_update.len() > 1 {
@@ -221,52 +245,61 @@ impl ActivityIndicator {
                         ""
                     }
                 ),
-                None,
-            );
+                action: None,
+            };
         } else if !failed.is_empty() {
-            return (
-                Some(WARNING_ICON),
-                format!(
+            return Content {
+                icon: Some(WARNING_ICON),
+                message: format!(
                     "Failed to download {} language server{}. Click to show error.",
                     failed.join(", "),
                     if failed.len() > 1 { "s" } else { "" }
                 ),
-                Some(Box::new(ShowErrorMessage)),
-            );
+                action: Some(Box::new(ShowErrorMessage)),
+            };
         }
 
         // Show any application auto-update info.
         if let Some(updater) = &self.auto_updater {
-            // let theme = &cx.global::<Settings>().theme.workspace.status_bar;
-            match &updater.read(cx).status() {
-                AutoUpdateStatus::Checking => (
-                    Some(DOWNLOAD_ICON),
-                    "Checking for Zed updates…".to_string(),
-                    None,
-                ),
-                AutoUpdateStatus::Downloading => (
-                    Some(DOWNLOAD_ICON),
-                    "Downloading Zed update…".to_string(),
-                    None,
-                ),
-                AutoUpdateStatus::Installing => (
-                    Some(DOWNLOAD_ICON),
-                    "Installing Zed update…".to_string(),
-                    None,
-                ),
-                AutoUpdateStatus::Updated => {
-                    (Some(DONE_ICON), "Restart to update Zed".to_string(), None)
-                }
-                AutoUpdateStatus::Errored => (
-                    Some(WARNING_ICON),
-                    "Auto update failed".to_string(),
-                    Some(Box::new(DismissErrorMessage)),
-                ),
+            return match &updater.read(cx).status() {
+                AutoUpdateStatus::Checking => Content {
+                    icon: Some(DOWNLOAD_ICON),
+                    message: "Checking for Zed updates…".to_string(),
+                    action: None,
+                },
+                AutoUpdateStatus::Downloading => Content {
+                    icon: Some(DOWNLOAD_ICON),
+                    message: "Downloading Zed update…".to_string(),
+                    action: None,
+                },
+                AutoUpdateStatus::Installing => Content {
+                    icon: Some(DOWNLOAD_ICON),
+                    message: "Installing Zed update…".to_string(),
+                    action: None,
+                },
+                AutoUpdateStatus::Updated => Content {
+                    icon: None,
+                    message: "Click to restart and update Zed".to_string(),
+                    action: Some(Box::new(workspace::Restart)),
+                },
+                AutoUpdateStatus::Errored => Content {
+                    icon: Some(WARNING_ICON),
+                    message: "Auto update failed".to_string(),
+                    action: Some(Box::new(DismissErrorMessage)),
+                },
                 AutoUpdateStatus::Idle => Default::default(),
-            }
-        } else {
-            Default::default()
+            };
         }
+
+        if let Some(most_recent_active_task) = cx.active_labeled_tasks().last() {
+            return Content {
+                icon: None,
+                message: most_recent_active_task.to_string(),
+                action: None,
+            };
+        }
+
+        Default::default()
     }
 }
 
@@ -280,7 +313,11 @@ impl View for ActivityIndicator {
     }
 
     fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
-        let (icon, message, action) = self.content_to_render(cx);
+        let Content {
+            icon,
+            message,
+            action,
+        } = self.content_to_render(cx);
 
         let mut element = MouseEventHandler::<Self>::new(0, cx, |state, cx| {
             let theme = &cx

crates/assets/Cargo.toml

@@ -2,6 +2,7 @@
 name = "assets"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/assets.rs"

crates/auto_update/Cargo.toml

@@ -2,12 +2,14 @@
 name = "auto_update"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/auto_update.rs"
 doctest = false
 
 [dependencies]
+db = { path = "../db" }
 client = { path = "../client" }
 gpui = { path = "../gpui" }
 menu = { path = "../menu" }
@@ -20,7 +22,8 @@ anyhow = "1.0.38"
 isahc = "1.7"
 lazy_static = "1.4"
 log = "0.4"
-serde = { version = "1.0", features = ["derive", "rc"] }
-serde_json = { version = "1.0", features = ["preserve_order"] }
+serde = { workspace = true }
+serde_derive = { workspace = true }
+serde_json = { workspace = true }
 smol = "1.2.5"
 tempdir = "0.3.7"

crates/auto_update/src/auto_update.rs

@@ -1,29 +1,24 @@
 mod update_notification;
 
 use anyhow::{anyhow, Context, Result};
-use client::{http::HttpClient, ZED_SECRET_CLIENT_TOKEN, ZED_SERVER_URL};
+use client::{ZED_APP_PATH, ZED_APP_VERSION, ZED_SECRET_CLIENT_TOKEN};
+use db::kvp::KEY_VALUE_STORE;
 use gpui::{
     actions, platform::AppVersion, AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle,
     MutableAppContext, Task, WeakViewHandle,
 };
-use lazy_static::lazy_static;
 use serde::Deserialize;
-use settings::ReleaseChannel;
+use settings::Settings;
 use smol::{fs::File, io::AsyncReadExt, process::Command};
-use std::{env, ffi::OsString, path::PathBuf, sync::Arc, time::Duration};
+use std::{ffi::OsString, sync::Arc, time::Duration};
 use update_notification::UpdateNotification;
+use util::channel::ReleaseChannel;
+use util::http::HttpClient;
 use workspace::Workspace;
 
 const SHOULD_SHOW_UPDATE_NOTIFICATION_KEY: &str = "auto-updater-should-show-updated-notification";
 const POLL_INTERVAL: Duration = Duration::from_secs(60 * 60);
 
-lazy_static! {
-    pub static ref ZED_APP_VERSION: Option<AppVersion> = env::var("ZED_APP_VERSION")
-        .ok()
-        .and_then(|v| v.parse().ok());
-    pub static ref ZED_APP_PATH: Option<PathBuf> = env::var("ZED_APP_PATH").ok().map(PathBuf::from);
-}
-
 actions!(auto_update, [Check, DismissErrorMessage, ViewReleaseNotes]);
 
 #[derive(Clone, Copy, PartialEq, Eq)]
@@ -41,7 +36,6 @@ pub struct AutoUpdater {
     current_version: AppVersion,
     http_client: Arc<dyn HttpClient>,
     pending_poll: Option<Task<()>>,
-    db: project::Db,
     server_url: String,
 }
 
@@ -55,12 +49,28 @@ impl Entity for AutoUpdater {
     type Event = ();
 }
 
-pub fn init(db: project::Db, http_client: Arc<dyn HttpClient>, cx: &mut MutableAppContext) {
+pub fn init(http_client: Arc<dyn HttpClient>, server_url: String, cx: &mut MutableAppContext) {
     if let Some(version) = (*ZED_APP_VERSION).or_else(|| cx.platform().app_version().ok()) {
-        let server_url = ZED_SERVER_URL.to_string();
+        let server_url = server_url;
         let auto_updater = cx.add_model(|cx| {
-            let updater = AutoUpdater::new(version, db.clone(), http_client, server_url.clone());
-            updater.start_polling(cx).detach();
+            let updater = AutoUpdater::new(version, http_client, server_url.clone());
+
+            let mut update_subscription = cx
+                .global::<Settings>()
+                .auto_update
+                .then(|| updater.start_polling(cx));
+
+            cx.observe_global::<Settings, _>(move |updater, cx| {
+                if cx.global::<Settings>().auto_update {
+                    if update_subscription.is_none() {
+                        *(&mut update_subscription) = Some(updater.start_polling(cx))
+                    }
+                } else {
+                    (&mut update_subscription).take();
+                }
+            })
+            .detach();
+
             updater
         });
         cx.set_global(Some(auto_updater));
@@ -70,7 +80,14 @@ pub fn init(db: project::Db, http_client: Arc<dyn HttpClient>, cx: &mut MutableA
             }
         });
         cx.add_global_action(move |_: &ViewReleaseNotes, cx| {
-            cx.platform().open_url(&format!("{server_url}/releases"));
+            let latest_release_url = if cx.has_global::<ReleaseChannel>()
+                && *cx.global::<ReleaseChannel>() == ReleaseChannel::Preview
+            {
+                format!("{server_url}/releases/preview/latest")
+            } else {
+                format!("{server_url}/releases/latest")
+            };
+            cx.platform().open_url(&latest_release_url);
         });
         cx.add_action(UpdateNotification::dismiss);
     }
@@ -113,14 +130,12 @@ impl AutoUpdater {
 
     fn new(
         current_version: AppVersion,
-        db: project::Db,
         http_client: Arc<dyn HttpClient>,
         server_url: String,
     ) -> Self {
         Self {
             status: AutoUpdateStatus::Idle,
             current_version,
-            db,
             http_client,
             server_url,
             pending_poll: None,
@@ -290,20 +305,28 @@ impl AutoUpdater {
         should_show: bool,
         cx: &AppContext,
     ) -> Task<Result<()>> {
-        let db = self.db.clone();
         cx.background().spawn(async move {
             if should_show {
-                db.write_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY, "")?;
+                KEY_VALUE_STORE
+                    .write_kvp(
+                        SHOULD_SHOW_UPDATE_NOTIFICATION_KEY.to_string(),
+                        "".to_string(),
+                    )
+                    .await?;
             } else {
-                db.delete_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY)?;
+                KEY_VALUE_STORE
+                    .delete_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY.to_string())
+                    .await?;
             }
             Ok(())
         })
     }
 
     fn should_show_update_notification(&self, cx: &AppContext) -> Task<Result<bool>> {
-        let db = self.db.clone();
-        cx.background()
-            .spawn(async move { Ok(db.read_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY)?.is_some()) })
+        cx.background().spawn(async move {
+            Ok(KEY_VALUE_STORE
+                .read_kvp(SHOULD_SHOW_UPDATE_NOTIFICATION_KEY)?
+                .is_some())
+        })
     }
 }

crates/auto_update/src/update_notification.rs

@@ -5,8 +5,9 @@ use gpui::{
     Element, Entity, MouseButton, View, ViewContext,
 };
 use menu::Cancel;
-use settings::{ReleaseChannel, Settings};
-use workspace::Notification;
+use settings::Settings;
+use util::channel::ReleaseChannel;
+use workspace::notifications::Notification;
 
 pub struct UpdateNotification {
     version: AppVersion,
@@ -29,7 +30,7 @@ impl View for UpdateNotification {
         let theme = cx.global::<Settings>().theme.clone();
         let theme = &theme.update_notification;
 
-        let app_name = cx.global::<ReleaseChannel>().name();
+        let app_name = cx.global::<ReleaseChannel>().display_name();
 
         MouseEventHandler::<ViewReleaseNotes>::new(0, cx, |state, cx| {
             Flex::column()
@@ -77,7 +78,7 @@ impl View for UpdateNotification {
                 )
                 .with_child({
                     let style = theme.action_message.style_for(state, false);
-                    Text::new("View the release notes".to_string(), style.text.clone())
+                    Text::new("View the release notes", style.text.clone())
                         .contained()
                         .with_style(style.container)
                         .boxed()

crates/breadcrumbs/Cargo.toml

@@ -2,6 +2,7 @@
 name = "breadcrumbs"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/breadcrumbs.rs"

crates/breadcrumbs/src/breadcrumbs.rs

@@ -4,7 +4,10 @@ use gpui::{
 use itertools::Itertools;
 use search::ProjectSearchView;
 use settings::Settings;
-use workspace::{ItemEvent, ItemHandle, ToolbarItemLocation, ToolbarItemView};
+use workspace::{
+    item::{ItemEvent, ItemHandle},
+    ToolbarItemLocation, ToolbarItemView,
+};
 
 pub enum Event {
     UpdateLocation,
@@ -44,7 +47,7 @@ impl View for Breadcrumbs {
         {
             Flex::row()
                 .with_children(Itertools::intersperse_with(breadcrumbs.into_iter(), || {
-                    Label::new(" 〉 ".to_string(), theme.breadcrumbs.text.clone()).boxed()
+                    Label::new(" 〉 ", theme.breadcrumbs.text.clone()).boxed()
                 }))
                 .contained()
                 .with_style(theme.breadcrumbs.container)

crates/call/Cargo.toml

@@ -2,6 +2,7 @@
 name = "call"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/call.rs"
@@ -21,18 +22,24 @@ test-support = [
 client = { path = "../client" }
 collections = { path = "../collections" }
 gpui = { path = "../gpui" }
+log = "0.4"
 live_kit_client = { path = "../live_kit_client" }
+fs = { path = "../fs" }
+language = { path = "../language" }
 media = { path = "../media" }
 project = { path = "../project" }
+settings = { path = "../settings" }
 util = { path = "../util" }
 
 anyhow = "1.0.38"
 async-broadcast = "0.4"
 futures = "0.3"
-postage = { version = "0.4.1", features = ["futures-traits"] }
+postage = { workspace = true }
 
 [dev-dependencies]
 client = { path = "../client", features = ["test-support"] }
+fs = { path = "../fs", features = ["test-support"] }
+language = { path = "../language", features = ["test-support"] }
 collections = { path = "../collections", features = ["test-support"] }
 gpui = { path = "../gpui", features = ["test-support"] }
 live_kit_client = { path = "../live_kit_client", features = ["test-support"] }

crates/call/src/call.rs

@@ -1,18 +1,22 @@
 pub mod participant;
 pub mod room;
 
+use std::sync::Arc;
+
 use anyhow::{anyhow, Result};
 use client::{proto, Client, TypedEnvelope, User, UserStore};
 use collections::HashSet;
+use futures::{future::Shared, FutureExt};
+use postage::watch;
+
 use gpui::{
     AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext,
     Subscription, Task, WeakModelHandle,
 };
-pub use participant::ParticipantLocation;
-use postage::watch;
 use project::Project;
+
+pub use participant::ParticipantLocation;
 pub use room::Room;
-use std::sync::Arc;
 
 pub fn init(client: Arc<Client>, user_store: ModelHandle<UserStore>, cx: &mut MutableAppContext) {
     let active_call = cx.add_model(|cx| ActiveCall::new(client, user_store, cx));
@@ -22,13 +26,15 @@ pub fn init(client: Arc<Client>, user_store: ModelHandle<UserStore>, cx: &mut Mu
 #[derive(Clone)]
 pub struct IncomingCall {
     pub room_id: u64,
-    pub caller: Arc<User>,
+    pub calling_user: Arc<User>,
     pub participants: Vec<Arc<User>>,
     pub initial_project: Option<proto::ParticipantProject>,
 }
 
+/// Singleton global maintaining the user's participation in a room across workspaces.
 pub struct ActiveCall {
     room: Option<(ModelHandle<Room>, Vec<Subscription>)>,
+    pending_room_creation: Option<Shared<Task<Result<ModelHandle<Room>, Arc<anyhow::Error>>>>>,
     location: Option<WeakModelHandle<Project>>,
     pending_invites: HashSet<u64>,
     incoming_call: (
@@ -52,6 +58,7 @@ impl ActiveCall {
     ) -> Self {
         Self {
             room: None,
+            pending_room_creation: None,
             location: None,
             pending_invites: Default::default(),
             incoming_call: watch::channel(),
@@ -78,9 +85,9 @@ impl ActiveCall {
                     user_store.get_users(envelope.payload.participant_user_ids, cx)
                 })
                 .await?,
-            caller: user_store
+            calling_user: user_store
                 .update(&mut cx, |user_store, cx| {
-                    user_store.get_user(envelope.payload.caller_user_id, cx)
+                    user_store.get_user(envelope.payload.calling_user_id, cx)
                 })
                 .await?,
             initial_project: envelope.payload.initial_project,
@@ -94,12 +101,18 @@ impl ActiveCall {
 
     async fn handle_call_canceled(
         this: ModelHandle<Self>,
-        _: TypedEnvelope<proto::CallCanceled>,
+        envelope: TypedEnvelope<proto::CallCanceled>,
         _: Arc<Client>,
         mut cx: AsyncAppContext,
     ) -> Result<()> {
         this.update(&mut cx, |this, _| {
-            *this.incoming_call.0.borrow_mut() = None;
+            let mut incoming_call = this.incoming_call.0.borrow_mut();
+            if incoming_call
+                .as_ref()
+                .map_or(false, |call| call.room_id == envelope.payload.room_id)
+            {
+                incoming_call.take();
+            }
         });
         Ok(())
     }
@@ -110,52 +123,81 @@ impl ActiveCall {
 
     pub fn invite(
         &mut self,
-        recipient_user_id: u64,
+        called_user_id: u64,
         initial_project: Option<ModelHandle<Project>>,
         cx: &mut ModelContext<Self>,
     ) -> Task<Result<()>> {
-        let client = self.client.clone();
-        let user_store = self.user_store.clone();
-        if !self.pending_invites.insert(recipient_user_id) {
+        if !self.pending_invites.insert(called_user_id) {
             return Task::ready(Err(anyhow!("user was already invited")));
         }
-
         cx.notify();
-        cx.spawn(|this, mut cx| async move {
-            let invite = async {
-                if let Some(room) = this.read_with(&cx, |this, _| this.room().cloned()) {
-                    let initial_project_id = if let Some(initial_project) = initial_project {
-                        Some(
-                            room.update(&mut cx, |room, cx| {
-                                room.share_project(initial_project, cx)
-                            })
+
+        let room = if let Some(room) = self.room().cloned() {
+            Some(Task::ready(Ok(room)).shared())
+        } else {
+            self.pending_room_creation.clone()
+        };
+
+        let invite = if let Some(room) = room {
+            cx.spawn_weak(|_, mut cx| async move {
+                let room = room.await.map_err(|err| anyhow!("{:?}", err))?;
+
+                let initial_project_id = if let Some(initial_project) = initial_project {
+                    Some(
+                        room.update(&mut cx, |room, cx| room.share_project(initial_project, cx))
                             .await?,
-                        )
-                    } else {
-                        None
-                    };
-
-                    room.update(&mut cx, |room, cx| {
-                        room.call(recipient_user_id, initial_project_id, cx)
-                    })
-                    .await?;
+                    )
                 } else {
-                    let room = cx
-                        .update(|cx| {
-                            Room::create(recipient_user_id, initial_project, client, user_store, cx)
-                        })
-                        .await?;
-
-                    this.update(&mut cx, |this, cx| this.set_room(Some(room), cx))
-                        .await?;
+                    None
                 };
 
-                Ok(())
-            };
+                room.update(&mut cx, |room, cx| {
+                    room.call(called_user_id, initial_project_id, cx)
+                })
+                .await?;
 
+                anyhow::Ok(())
+            })
+        } else {
+            let client = self.client.clone();
+            let user_store = self.user_store.clone();
+            let room = cx
+                .spawn(|this, mut cx| async move {
+                    let create_room = async {
+                        let room = cx
+                            .update(|cx| {
+                                Room::create(
+                                    called_user_id,
+                                    initial_project,
+                                    client,
+                                    user_store,
+                                    cx,
+                                )
+                            })
+                            .await?;
+
+                        this.update(&mut cx, |this, cx| this.set_room(Some(room.clone()), cx))
+                            .await?;
+
+                        anyhow::Ok(room)
+                    };
+
+                    let room = create_room.await;
+                    this.update(&mut cx, |this, _| this.pending_room_creation = None);
+                    room.map_err(Arc::new)
+                })
+                .shared();
+            self.pending_room_creation = Some(room.clone());
+            cx.foreground().spawn(async move {
+                room.await.map_err(|err| anyhow!("{:?}", err))?;
+                anyhow::Ok(())
+            })
+        };
+
+        cx.spawn(|this, mut cx| async move {
             let result = invite.await;
             this.update(&mut cx, |this, cx| {
-                this.pending_invites.remove(&recipient_user_id);
+                this.pending_invites.remove(&called_user_id);
                 cx.notify();
             });
             result
@@ -164,7 +206,7 @@ impl ActiveCall {
 
     pub fn cancel_invite(
         &mut self,
-        recipient_user_id: u64,
+        called_user_id: u64,
         cx: &mut ModelContext<Self>,
     ) -> Task<Result<()>> {
         let room_id = if let Some(room) = self.room() {
@@ -178,7 +220,7 @@ impl ActiveCall {
             client
                 .request(proto::CancelCall {
                     room_id,
-                    recipient_user_id,
+                    called_user_id,
                 })
                 .await?;
             anyhow::Ok(())
@@ -222,12 +264,13 @@ impl ActiveCall {
         Ok(())
     }
 
-    pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
+    pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
+        cx.notify();
         if let Some((room, _)) = self.room.take() {
-            room.update(cx, |room, cx| room.leave(cx))?;
-            cx.notify();
+            room.update(cx, |room, cx| room.leave(cx))
+        } else {
+            Task::ready(Ok(()))
         }
-        Ok(())
     }
 
     pub fn share_project(
@@ -242,6 +285,18 @@ impl ActiveCall {
         }
     }
 
+    pub fn unshare_project(
+        &mut self,
+        project: ModelHandle<Project>,
+        cx: &mut ModelContext<Self>,
+    ) -> Result<()> {
+        if let Some((room, _)) = self.room.as_ref() {
+            room.update(cx, |room, cx| room.unshare_project(project, cx))
+        } else {
+            Err(anyhow!("no active call"))
+        }
+    }
+
     pub fn set_location(
         &mut self,
         project: Option<&ModelHandle<Project>>,

crates/call/src/participant.rs

@@ -4,7 +4,7 @@ use collections::HashMap;
 use gpui::WeakModelHandle;
 pub use live_kit_client::Frame;
 use project::Project;
-use std::sync::Arc;
+use std::{fmt, sync::Arc};
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum ParticipantLocation {
@@ -36,9 +36,10 @@ pub struct LocalParticipant {
     pub active_project: Option<WeakModelHandle<Project>>,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct RemoteParticipant {
     pub user: Arc<User>,
+    pub peer_id: proto::PeerId,
     pub projects: Vec<proto::ParticipantProject>,
     pub location: ParticipantLocation,
     pub tracks: HashMap<live_kit_client::Sid, Arc<RemoteVideoTrack>>,
@@ -49,6 +50,12 @@ pub struct RemoteVideoTrack {
     pub(crate) live_kit_track: Arc<live_kit_client::RemoteVideoTrack>,
 }
 
+impl fmt::Debug for RemoteVideoTrack {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("RemoteVideoTrack").finish()
+    }
+}
+
 impl RemoteVideoTrack {
     pub fn frames(&self) -> async_broadcast::Receiver<Frame> {
         self.live_kit_track.frames()

crates/call/src/room.rs

@@ -3,23 +3,32 @@ use crate::{
     IncomingCall,
 };
 use anyhow::{anyhow, Result};
-use client::{proto, Client, PeerId, TypedEnvelope, User, UserStore};
-use collections::{BTreeMap, HashSet};
-use futures::StreamExt;
-use gpui::{AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task};
+use client::{
+    proto::{self, PeerId},
+    Client, TypedEnvelope, User, UserStore,
+};
+use collections::{BTreeMap, HashMap, HashSet};
+use fs::Fs;
+use futures::{FutureExt, StreamExt};
+use gpui::{
+    AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task, WeakModelHandle,
+};
+use language::LanguageRegistry;
 use live_kit_client::{LocalTrackPublication, LocalVideoTrack, RemoteVideoTrackUpdate};
 use postage::stream::Stream;
 use project::Project;
-use std::{mem, os::unix::prelude::OsStrExt, sync::Arc};
-use util::{post_inc, ResultExt};
+use std::{future::Future, mem, pin::Pin, sync::Arc, time::Duration};
+use util::{post_inc, ResultExt, TryFutureExt};
+
+pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
 
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub enum Event {
     ParticipantLocationChanged {
-        participant_id: PeerId,
+        participant_id: proto::PeerId,
     },
     RemoteVideoTracksChanged {
-        participant_id: PeerId,
+        participant_id: proto::PeerId,
     },
     RemoteProjectShared {
         owner: Arc<User>,
@@ -36,24 +45,46 @@ pub struct Room {
     id: u64,
     live_kit: Option<LiveKitRoom>,
     status: RoomStatus,
+    shared_projects: HashSet<WeakModelHandle<Project>>,
+    joined_projects: HashSet<WeakModelHandle<Project>>,
     local_participant: LocalParticipant,
-    remote_participants: BTreeMap<PeerId, RemoteParticipant>,
+    remote_participants: BTreeMap<u64, RemoteParticipant>,
     pending_participants: Vec<Arc<User>>,
     participant_user_ids: HashSet<u64>,
     pending_call_count: usize,
     leave_when_empty: bool,
     client: Arc<Client>,
     user_store: ModelHandle<UserStore>,
+    follows_by_leader_id_project_id: HashMap<(PeerId, u64), Vec<PeerId>>,
     subscriptions: Vec<client::Subscription>,
     pending_room_update: Option<Task<()>>,
+    maintain_connection: Option<Task<Option<()>>>,
 }
 
 impl Entity for Room {
     type Event = Event;
 
-    fn release(&mut self, _: &mut MutableAppContext) {
+    fn release(&mut self, cx: &mut MutableAppContext) {
         if self.status.is_online() {
-            self.client.send(proto::LeaveRoom { id: self.id }).log_err();
+            self.leave_internal(cx).detach_and_log_err(cx);
+        }
+    }
+
+    fn app_will_quit(
+        &mut self,
+        cx: &mut MutableAppContext,
+    ) -> Option<Pin<Box<dyn Future<Output = ()>>>> {
+        if self.status.is_online() {
+            let leave = self.leave_internal(cx);
+            Some(
+                cx.background()
+                    .spawn(async move {
+                        leave.await.log_err();
+                    })
+                    .boxed(),
+            )
+        } else {
+            None
         }
     }
 }
@@ -66,21 +97,6 @@ impl Room {
         user_store: ModelHandle<UserStore>,
         cx: &mut ModelContext<Self>,
     ) -> Self {
-        let mut client_status = client.status();
-        cx.spawn_weak(|this, mut cx| async move {
-            let is_connected = client_status
-                .next()
-                .await
-                .map_or(false, |s| s.is_connected());
-            // Even if we're initially connected, any future change of the status means we momentarily disconnected.
-            if !is_connected || client_status.next().await.is_some() {
-                if let Some(this) = this.upgrade(&cx) {
-                    let _ = this.update(&mut cx, |this, cx| this.leave(cx));
-                }
-            }
-        })
-        .detach();
-
         let live_kit_room = if let Some(connection_info) = live_kit_connection_info {
             let room = live_kit_client::Room::new();
             let mut status = room.status();
@@ -131,10 +147,15 @@ impl Room {
             None
         };
 
+        let maintain_connection =
+            cx.spawn_weak(|this, cx| Self::maintain_connection(this, client.clone(), cx).log_err());
+
         Self {
             id,
             live_kit: live_kit_room,
             status: RoomStatus::Online,
+            shared_projects: Default::default(),
+            joined_projects: Default::default(),
             participant_user_ids: Default::default(),
             local_participant: Default::default(),
             remote_participants: Default::default(),
@@ -145,11 +166,13 @@ impl Room {
             pending_room_update: None,
             client,
             user_store,
+            follows_by_leader_id_project_id: Default::default(),
+            maintain_connection: Some(maintain_connection),
         }
     }
 
     pub(crate) fn create(
-        recipient_user_id: u64,
+        called_user_id: u64,
         initial_project: Option<ModelHandle<Project>>,
         client: Arc<Client>,
         user_store: ModelHandle<UserStore>,
@@ -182,7 +205,7 @@ impl Room {
             match room
                 .update(&mut cx, |room, cx| {
                     room.leave_when_empty = true;
-                    room.call(recipient_user_id, initial_project_id, cx)
+                    room.call(called_user_id, initial_project_id, cx)
                 })
                 .await
             {
@@ -228,21 +251,211 @@ impl Room {
             && self.pending_call_count == 0
     }
 
-    pub(crate) fn leave(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
-        if self.status.is_offline() {
-            return Err(anyhow!("room is offline"));
-        }
-
+    pub(crate) fn leave(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
         cx.notify();
         cx.emit(Event::Left);
+        self.leave_internal(cx)
+    }
+
+    fn leave_internal(&mut self, cx: &mut MutableAppContext) -> Task<Result<()>> {
+        if self.status.is_offline() {
+            return Task::ready(Err(anyhow!("room is offline")));
+        }
+
+        log::info!("leaving room");
+
+        for project in self.shared_projects.drain() {
+            if let Some(project) = project.upgrade(cx) {
+                project.update(cx, |project, cx| {
+                    project.unshare(cx).log_err();
+                });
+            }
+        }
+        for project in self.joined_projects.drain() {
+            if let Some(project) = project.upgrade(cx) {
+                project.update(cx, |project, cx| {
+                    project.disconnected_from_host(cx);
+                    project.close(cx);
+                });
+            }
+        }
+
         self.status = RoomStatus::Offline;
         self.remote_participants.clear();
         self.pending_participants.clear();
         self.participant_user_ids.clear();
         self.subscriptions.clear();
         self.live_kit.take();
-        self.client.send(proto::LeaveRoom { id: self.id })?;
-        Ok(())
+        self.pending_room_update.take();
+        self.maintain_connection.take();
+
+        let leave_room = self.client.request(proto::LeaveRoom {});
+        cx.background().spawn(async move {
+            leave_room.await?;
+            anyhow::Ok(())
+        })
+    }
+
+    async fn maintain_connection(
+        this: WeakModelHandle<Self>,
+        client: Arc<Client>,
+        mut cx: AsyncAppContext,
+    ) -> Result<()> {
+        let mut client_status = client.status();
+        loop {
+            let _ = client_status.try_recv();
+            let is_connected = client_status.borrow().is_connected();
+            // Even if we're initially connected, any future change of the status means we momentarily disconnected.
+            if !is_connected || client_status.next().await.is_some() {
+                log::info!("detected client disconnection");
+
+                this.upgrade(&cx)
+                    .ok_or_else(|| anyhow!("room was dropped"))?
+                    .update(&mut cx, |this, cx| {
+                        this.status = RoomStatus::Rejoining;
+                        cx.notify();
+                    });
+
+                // Wait for client to re-establish a connection to the server.
+                {
+                    let mut reconnection_timeout = cx.background().timer(RECONNECT_TIMEOUT).fuse();
+                    let client_reconnection = async {
+                        let mut remaining_attempts = 3;
+                        while remaining_attempts > 0 {
+                            if client_status.borrow().is_connected() {
+                                log::info!("client reconnected, attempting to rejoin room");
+
+                                let Some(this) = this.upgrade(&cx) else { break };
+                                if this
+                                    .update(&mut cx, |this, cx| this.rejoin(cx))
+                                    .await
+                                    .log_err()
+                                    .is_some()
+                                {
+                                    return true;
+                                } else {
+                                    remaining_attempts -= 1;
+                                }
+                            } else if client_status.borrow().is_signed_out() {
+                                return false;
+                            }
+
+                            log::info!(
+                                "waiting for client status change, remaining attempts {}",
+                                remaining_attempts
+                            );
+                            client_status.next().await;
+                        }
+                        false
+                    }
+                    .fuse();
+                    futures::pin_mut!(client_reconnection);
+
+                    futures::select_biased! {
+                        reconnected = client_reconnection => {
+                            if reconnected {
+                                log::info!("successfully reconnected to room");
+                                // If we successfully joined the room, go back around the loop
+                                // waiting for future connection status changes.
+                                continue;
+                            }
+                        }
+                        _ = reconnection_timeout => {
+                            log::info!("room reconnection timeout expired");
+                        }
+                    }
+                }
+
+                break;
+            }
+        }
+
+        // The client failed to re-establish a connection to the server
+        // or an error occurred while trying to re-join the room. Either way
+        // we leave the room and return an error.
+        if let Some(this) = this.upgrade(&cx) {
+            log::info!("reconnection failed, leaving room");
+            let _ = this.update(&mut cx, |this, cx| this.leave(cx));
+        }
+        Err(anyhow!(
+            "can't reconnect to room: client failed to re-establish connection"
+        ))
+    }
+
+    fn rejoin(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
+        let mut projects = HashMap::default();
+        let mut reshared_projects = Vec::new();
+        let mut rejoined_projects = Vec::new();
+        self.shared_projects.retain(|project| {
+            if let Some(handle) = project.upgrade(cx) {
+                let project = handle.read(cx);
+                if let Some(project_id) = project.remote_id() {
+                    projects.insert(project_id, handle.clone());
+                    reshared_projects.push(proto::UpdateProject {
+                        project_id,
+                        worktrees: project.worktree_metadata_protos(cx),
+                    });
+                    return true;
+                }
+            }
+            false
+        });
+        self.joined_projects.retain(|project| {
+            if let Some(handle) = project.upgrade(cx) {
+                let project = handle.read(cx);
+                if let Some(project_id) = project.remote_id() {
+                    projects.insert(project_id, handle.clone());
+                    rejoined_projects.push(proto::RejoinProject {
+                        id: project_id,
+                        worktrees: project
+                            .worktrees(cx)
+                            .map(|worktree| {
+                                let worktree = worktree.read(cx);
+                                proto::RejoinWorktree {
+                                    id: worktree.id().to_proto(),
+                                    scan_id: worktree.completed_scan_id() as u64,
+                                }
+                            })
+                            .collect(),
+                    });
+                }
+                return true;
+            }
+            false
+        });
+
+        let response = self.client.request(proto::RejoinRoom {
+            id: self.id,
+            reshared_projects,
+            rejoined_projects,
+        });
+
+        cx.spawn(|this, mut cx| async move {
+            let response = response.await?;
+            let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
+            this.update(&mut cx, |this, cx| {
+                this.status = RoomStatus::Online;
+                this.apply_room_update(room_proto, cx)?;
+
+                for reshared_project in response.reshared_projects {
+                    if let Some(project) = projects.get(&reshared_project.id) {
+                        project.update(cx, |project, cx| {
+                            project.reshared(reshared_project, cx).log_err();
+                        });
+                    }
+                }
+
+                for rejoined_project in response.rejoined_projects {
+                    if let Some(project) = projects.get(&rejoined_project.id) {
+                        project.update(cx, |project, cx| {
+                            project.rejoined(rejoined_project, cx).log_err();
+                        });
+                    }
+                }
+
+                anyhow::Ok(())
+            })
+        })
     }
 
     pub fn id(&self) -> u64 {
@@ -257,10 +470,16 @@ impl Room {
         &self.local_participant
     }
 
-    pub fn remote_participants(&self) -> &BTreeMap<PeerId, RemoteParticipant> {
+    pub fn remote_participants(&self) -> &BTreeMap<u64, RemoteParticipant> {
         &self.remote_participants
     }
 
+    pub fn remote_participant_for_peer_id(&self, peer_id: PeerId) -> Option<&RemoteParticipant> {
+        self.remote_participants
+            .values()
+            .find(|p| p.peer_id == peer_id)
+    }
+
     pub fn pending_participants(&self) -> &[Arc<User>] {
         &self.pending_participants
     }
@@ -269,6 +488,12 @@ impl Room {
         self.participant_user_ids.contains(&user_id)
     }
 
+    pub fn followers_for(&self, leader_id: PeerId, project_id: u64) -> &[PeerId] {
+        self.follows_by_leader_id_project_id
+            .get(&(leader_id, project_id))
+            .map_or(&[], |v| v.as_slice())
+    }
+
     async fn handle_room_updated(
         this: ModelHandle<Self>,
         envelope: TypedEnvelope<proto::RoomUpdated>,
@@ -294,18 +519,26 @@ impl Room {
             .position(|participant| Some(participant.user_id) == self.client.user_id());
         let local_participant = local_participant_ix.map(|ix| room.participants.swap_remove(ix));
 
+        let pending_participant_user_ids = room
+            .pending_participants
+            .iter()
+            .map(|p| p.user_id)
+            .collect::<Vec<_>>();
+
         let remote_participant_user_ids = room
             .participants
             .iter()
             .map(|p| p.user_id)
             .collect::<Vec<_>>();
+
         let (remote_participants, pending_participants) =
             self.user_store.update(cx, move |user_store, cx| {
                 (
                     user_store.get_users(remote_participant_user_ids, cx),
-                    user_store.get_users(room.pending_participant_user_ids, cx),
+                    user_store.get_users(pending_participant_user_ids, cx),
                 )
             });
+
         self.pending_room_update = Some(cx.spawn(|this, mut cx| async move {
             let (remote_participants, pending_participants) =
                 futures::join!(remote_participants, pending_participants);
@@ -321,12 +554,12 @@ impl Room {
 
                 if let Some(participants) = remote_participants.log_err() {
                     for (participant, user) in room.participants.into_iter().zip(participants) {
-                        let peer_id = PeerId(participant.peer_id);
+                        let Some(peer_id) = participant.peer_id else { continue };
                         this.participant_user_ids.insert(participant.user_id);
 
                         let old_projects = this
                             .remote_participants
-                            .get(&peer_id)
+                            .get(&participant.user_id)
                             .into_iter()
                             .flat_map(|existing| &existing.projects)
                             .map(|project| project.id)
@@ -348,6 +581,20 @@ impl Room {
                         }
 
                         for unshared_project_id in old_projects.difference(&new_projects) {
+                            this.joined_projects.retain(|project| {
+                                if let Some(project) = project.upgrade(cx) {
+                                    project.update(cx, |project, cx| {
+                                        if project.remote_id() == Some(*unshared_project_id) {
+                                            project.disconnected_from_host(cx);
+                                            false
+                                        } else {
+                                            true
+                                        }
+                                    })
+                                } else {
+                                    false
+                                }
+                            });
                             cx.emit(Event::RemoteProjectUnshared {
                                 project_id: *unshared_project_id,
                             });
@@ -355,9 +602,11 @@ impl Room {
 
                         let location = ParticipantLocation::from_proto(participant.location)
                             .unwrap_or(ParticipantLocation::External);
-                        if let Some(remote_participant) = this.remote_participants.get_mut(&peer_id)
+                        if let Some(remote_participant) =
+                            this.remote_participants.get_mut(&participant.user_id)
                         {
                             remote_participant.projects = participant.projects;
+                            remote_participant.peer_id = peer_id;
                             if location != remote_participant.location {
                                 remote_participant.location = location;
                                 cx.emit(Event::ParticipantLocationChanged {
@@ -366,9 +615,10 @@ impl Room {
                             }
                         } else {
                             this.remote_participants.insert(
-                                peer_id,
+                                participant.user_id,
                                 RemoteParticipant {
                                     user: user.clone(),
+                                    peer_id,
                                     projects: participant.projects,
                                     location,
                                     tracks: Default::default(),
@@ -377,7 +627,7 @@ impl Room {
 
                             if let Some(live_kit) = this.live_kit.as_ref() {
                                 let tracks =
-                                    live_kit.room.remote_video_tracks(&peer_id.0.to_string());
+                                    live_kit.room.remote_video_tracks(&user.id.to_string());
                                 for track in tracks {
                                     this.remote_video_track_updated(
                                         RemoteVideoTrackUpdate::Subscribed(track),
@@ -389,8 +639,8 @@ impl Room {
                         }
                     }
 
-                    this.remote_participants.retain(|_, participant| {
-                        if this.participant_user_ids.contains(&participant.user.id) {
+                    this.remote_participants.retain(|user_id, participant| {
+                        if this.participant_user_ids.contains(user_id) {
                             true
                         } else {
                             for project in &participant.projects {
@@ -410,8 +660,30 @@ impl Room {
                     }
                 }
 
+                this.follows_by_leader_id_project_id.clear();
+                for follower in room.followers {
+                    let project_id = follower.project_id;
+                    let (leader, follower) = match (follower.leader_id, follower.follower_id) {
+                        (Some(leader), Some(follower)) => (leader, follower),
+
+                        _ => {
+                            log::error!("Follower message {follower:?} missing some state");
+                            continue;
+                        }
+                    };
+
+                    let list = this
+                        .follows_by_leader_id_project_id
+                        .entry((leader, project_id))
+                        .or_insert(Vec::new());
+                    if !list.contains(&follower) {
+                        list.push(follower);
+                    }
+                }
+
                 this.pending_room_update.take();
                 if this.should_leave() {
+                    log::info!("room is empty, leaving");
                     let _ = this.leave(cx);
                 }
 
@@ -431,11 +703,11 @@ impl Room {
     ) -> Result<()> {
         match change {
             RemoteVideoTrackUpdate::Subscribed(track) => {
-                let peer_id = PeerId(track.publisher_id().parse()?);
+                let user_id = track.publisher_id().parse()?;
                 let track_id = track.sid().to_string();
                 let participant = self
                     .remote_participants
-                    .get_mut(&peer_id)
+                    .get_mut(&user_id)
                     .ok_or_else(|| anyhow!("subscribed to track by unknown participant"))?;
                 participant.tracks.insert(
                     track_id.clone(),
@@ -444,21 +716,21 @@ impl Room {
                     }),
                 );
                 cx.emit(Event::RemoteVideoTracksChanged {
-                    participant_id: peer_id,
+                    participant_id: participant.peer_id,
                 });
             }
             RemoteVideoTrackUpdate::Unsubscribed {
                 publisher_id,
                 track_id,
             } => {
-                let peer_id = PeerId(publisher_id.parse()?);
+                let user_id = publisher_id.parse()?;
                 let participant = self
                     .remote_participants
-                    .get_mut(&peer_id)
+                    .get_mut(&user_id)
                     .ok_or_else(|| anyhow!("unsubscribed from track by unknown participant"))?;
                 participant.tracks.remove(&track_id);
                 cx.emit(Event::RemoteVideoTracksChanged {
-                    participant_id: peer_id,
+                    participant_id: participant.peer_id,
                 });
             }
         }
@@ -472,10 +744,12 @@ impl Room {
         {
             for participant in self.remote_participants.values() {
                 assert!(self.participant_user_ids.contains(&participant.user.id));
+                assert_ne!(participant.user.id, self.client.user_id().unwrap());
             }
 
             for participant in &self.pending_participants {
                 assert!(self.participant_user_ids.contains(&participant.id));
+                assert_ne!(participant.id, self.client.user_id().unwrap());
             }
 
             assert_eq!(
@@ -487,7 +761,7 @@ impl Room {
 
     pub(crate) fn call(
         &mut self,
-        recipient_user_id: u64,
+        called_user_id: u64,
         initial_project_id: Option<u64>,
         cx: &mut ModelContext<Self>,
     ) -> Task<Result<()>> {
@@ -503,21 +777,47 @@ impl Room {
             let result = client
                 .request(proto::Call {
                     room_id,
-                    recipient_user_id,
+                    called_user_id,
                     initial_project_id,
                 })
                 .await;
             this.update(&mut cx, |this, cx| {
                 this.pending_call_count -= 1;
                 if this.should_leave() {
-                    this.leave(cx)?;
+                    this.leave(cx).detach_and_log_err(cx);
                 }
-                result
-            })?;
+            });
+            result?;
             Ok(())
         })
     }
 
+    pub fn join_project(
+        &mut self,
+        id: u64,
+        language_registry: Arc<LanguageRegistry>,
+        fs: Arc<dyn Fs>,
+        cx: &mut ModelContext<Self>,
+    ) -> Task<Result<ModelHandle<Project>>> {
+        let client = self.client.clone();
+        let user_store = self.user_store.clone();
+        cx.spawn(|this, mut cx| async move {
+            let project =
+                Project::remote(id, client, user_store, language_registry, fs, cx.clone()).await?;
+            this.update(&mut cx, |this, cx| {
+                this.joined_projects.retain(|project| {
+                    if let Some(project) = project.upgrade(cx) {
+                        !project.read(cx).is_read_only()
+                    } else {
+                        false
+                    }
+                });
+                this.joined_projects.insert(project.downgrade());
+            });
+            Ok(project)
+        })
+    }
+
     pub(crate) fn share_project(
         &mut self,
         project: ModelHandle<Project>,
@@ -529,31 +829,18 @@ impl Room {
 
         let request = self.client.request(proto::ShareProject {
             room_id: self.id(),
-            worktrees: project
-                .read(cx)
-                .worktrees(cx)
-                .map(|worktree| {
-                    let worktree = worktree.read(cx);
-                    proto::WorktreeMetadata {
-                        id: worktree.id().to_proto(),
-                        root_name: worktree.root_name().into(),
-                        visible: worktree.is_visible(),
-                        abs_path: worktree.abs_path().as_os_str().as_bytes().to_vec(),
-                    }
-                })
-                .collect(),
+            worktrees: project.read(cx).worktree_metadata_protos(cx),
         });
         cx.spawn(|this, mut cx| async move {
             let response = request.await?;
 
             project.update(&mut cx, |project, cx| {
-                project
-                    .shared(response.project_id, cx)
-                    .detach_and_log_err(cx)
-            });
+                project.shared(response.project_id, cx)
+            })?;
 
             // If the user's location is in this project, it changes from UnsharedProject to SharedProject.
             this.update(&mut cx, |this, cx| {
+                this.shared_projects.insert(project.downgrade());
                 let active_project = this.local_participant.active_project.as_ref();
                 if active_project.map_or(false, |location| *location == project) {
                     this.set_location(Some(&project), cx)
@@ -567,6 +854,20 @@ impl Room {
         })
     }
 
+    pub(crate) fn unshare_project(
+        &mut self,
+        project: ModelHandle<Project>,
+        cx: &mut ModelContext<Self>,
+    ) -> Result<()> {
+        let project_id = match project.read(cx).remote_id() {
+            Some(project_id) => project_id,
+            None => return Ok(()),
+        };
+
+        self.client.send(proto::UnshareProject { project_id })?;
+        project.update(cx, |this, cx| this.unshare(cx))
+    }
+
     pub(crate) fn set_location(
         &mut self,
         project: Option<&ModelHandle<Project>>,
@@ -746,6 +1047,7 @@ impl Default for ScreenTrack {
 #[derive(Copy, Clone, PartialEq, Eq)]
 pub enum RoomStatus {
     Online,
+    Rejoining,
     Offline,
 }
 

crates/cli/Cargo.toml

@@ -2,6 +2,7 @@
 name = "cli"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/cli.rs"
@@ -16,7 +17,8 @@ anyhow = "1.0"
 clap = { version = "3.1", features = ["derive"] }
 dirs = "3.0"
 ipc-channel = "0.16"
-serde = { version = "1.0", features = ["derive", "rc"] }
+serde = { workspace = true }
+serde_derive = { workspace = true }
 
 [target.'cfg(target_os = "macos")'.dependencies]
 core-foundation = "0.9"

crates/cli/src/main.rs

@@ -9,7 +9,13 @@ use core_foundation::{
 use core_services::{kLSLaunchDefaults, LSLaunchURLSpec, LSOpenFromURLSpec, TCFType};
 use ipc_channel::ipc::{IpcOneShotServer, IpcReceiver, IpcSender};
 use serde::Deserialize;
-use std::{ffi::OsStr, fs, path::PathBuf, ptr};
+use std::{
+    ffi::OsStr,
+    fs::{self, OpenOptions},
+    io,
+    path::{Path, PathBuf},
+    ptr,
+};
 
 #[derive(Parser)]
 #[clap(name = "zed", global_setting(clap::AppSettings::NoAutoVersion))]
@@ -54,6 +60,12 @@ fn main() -> Result<()> {
         return Ok(());
     }
 
+    for path in args.paths.iter() {
+        if !path.exists() {
+            touch(path.as_path())?;
+        }
+    }
+
     let (tx, rx) = launch_app(bundle_path)?;
 
     tx.send(CliRequest::Open {
@@ -77,6 +89,13 @@ fn main() -> Result<()> {
     Ok(())
 }
 
+fn touch(path: &Path) -> io::Result<()> {
+    match OpenOptions::new().create(true).write(true).open(path) {
+        Ok(_) => Ok(()),
+        Err(e) => Err(e),
+    }
+}
+
 fn locate_bundle() -> Result<PathBuf> {
     let cli_path = std::env::current_exe()?.canonicalize()?;
     let mut app_path = cli_path.clone();

crates/client/Cargo.toml

@@ -2,6 +2,7 @@
 name = "client"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/client.rs"
@@ -22,11 +23,10 @@ async-recursion = "0.3"
 async-tungstenite = { version = "0.16", features = ["async-tls"] }
 futures = "0.3"
 image = "0.23"
-isahc = "1.7"
 lazy_static = "1.4.0"
 log = { version = "0.4.16", features = ["kv_unstable_serde"] }
 parking_lot = "0.11.1"
-postage = { version = "0.4.1", features = ["futures-traits"] }
+postage = { workspace = true }
 rand = "0.8.3"
 smol = "1.2.5"
 thiserror = "1.0.29"
@@ -34,7 +34,8 @@ time = { version = "0.3", features = ["serde", "serde-well-known"] }
 tiny_http = "0.8"
 uuid = { version = "1.1.2", features = ["v4"] }
 url = "2.2"
-serde = { version = "*", features = ["derive"] }
+serde = { workspace = true }
+serde_derive = { workspace = true }
 settings = { path = "../settings" }
 tempfile = "3"
 

crates/client/src/channel.rs

@@ -1,820 +0,0 @@
-use super::{
-    proto,
-    user::{User, UserStore},
-    Client, Status, Subscription, TypedEnvelope,
-};
-use anyhow::{anyhow, Context, Result};
-use futures::lock::Mutex;
-use gpui::{
-    AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task, WeakModelHandle,
-};
-use postage::prelude::Stream;
-use rand::prelude::*;
-use std::{
-    collections::{HashMap, HashSet},
-    mem,
-    ops::Range,
-    sync::Arc,
-};
-use sum_tree::{Bias, SumTree};
-use time::OffsetDateTime;
-use util::{post_inc, ResultExt as _, TryFutureExt};
-
-pub struct ChannelList {
-    available_channels: Option<Vec<ChannelDetails>>,
-    channels: HashMap<u64, WeakModelHandle<Channel>>,
-    client: Arc<Client>,
-    user_store: ModelHandle<UserStore>,
-    _task: Task<Option<()>>,
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub struct ChannelDetails {
-    pub id: u64,
-    pub name: String,
-}
-
-pub struct Channel {
-    details: ChannelDetails,
-    messages: SumTree<ChannelMessage>,
-    loaded_all_messages: bool,
-    next_pending_message_id: usize,
-    user_store: ModelHandle<UserStore>,
-    rpc: Arc<Client>,
-    outgoing_messages_lock: Arc<Mutex<()>>,
-    rng: StdRng,
-    _subscription: Subscription,
-}
-
-#[derive(Clone, Debug)]
-pub struct ChannelMessage {
-    pub id: ChannelMessageId,
-    pub body: String,
-    pub timestamp: OffsetDateTime,
-    pub sender: Arc<User>,
-    pub nonce: u128,
-}
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
-pub enum ChannelMessageId {
-    Saved(u64),
-    Pending(usize),
-}
-
-#[derive(Clone, Debug, Default)]
-pub struct ChannelMessageSummary {
-    max_id: ChannelMessageId,
-    count: usize,
-}
-
-#[derive(Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
-struct Count(usize);
-
-pub enum ChannelListEvent {}
-
-#[derive(Clone, Debug, PartialEq)]
-pub enum ChannelEvent {
-    MessagesUpdated {
-        old_range: Range<usize>,
-        new_count: usize,
-    },
-}
-
-impl Entity for ChannelList {
-    type Event = ChannelListEvent;
-}
-
-impl ChannelList {
-    pub fn new(
-        user_store: ModelHandle<UserStore>,
-        rpc: Arc<Client>,
-        cx: &mut ModelContext<Self>,
-    ) -> Self {
-        let _task = cx.spawn_weak(|this, mut cx| {
-            let rpc = rpc.clone();
-            async move {
-                let mut status = rpc.status();
-                while let Some((status, this)) = status.recv().await.zip(this.upgrade(&cx)) {
-                    match status {
-                        Status::Connected { .. } => {
-                            let response = rpc
-                                .request(proto::GetChannels {})
-                                .await
-                                .context("failed to fetch available channels")?;
-                            this.update(&mut cx, |this, cx| {
-                                this.available_channels =
-                                    Some(response.channels.into_iter().map(Into::into).collect());
-
-                                let mut to_remove = Vec::new();
-                                for (channel_id, channel) in &this.channels {
-                                    if let Some(channel) = channel.upgrade(cx) {
-                                        channel.update(cx, |channel, cx| channel.rejoin(cx))
-                                    } else {
-                                        to_remove.push(*channel_id);
-                                    }
-                                }
-
-                                for channel_id in to_remove {
-                                    this.channels.remove(&channel_id);
-                                }
-                                cx.notify();
-                            });
-                        }
-                        Status::SignedOut { .. } => {
-                            this.update(&mut cx, |this, cx| {
-                                this.available_channels = None;
-                                this.channels.clear();
-                                cx.notify();
-                            });
-                        }
-                        _ => {}
-                    }
-                }
-                Ok(())
-            }
-            .log_err()
-        });
-
-        Self {
-            available_channels: None,
-            channels: Default::default(),
-            user_store,
-            client: rpc,
-            _task,
-        }
-    }
-
-    pub fn available_channels(&self) -> Option<&[ChannelDetails]> {
-        self.available_channels.as_deref()
-    }
-
-    pub fn get_channel(
-        &mut self,
-        id: u64,
-        cx: &mut MutableAppContext,
-    ) -> Option<ModelHandle<Channel>> {
-        if let Some(channel) = self.channels.get(&id).and_then(|c| c.upgrade(cx)) {
-            return Some(channel);
-        }
-
-        let channels = self.available_channels.as_ref()?;
-        let details = channels.iter().find(|details| details.id == id)?.clone();
-        let channel = cx.add_model(|cx| {
-            Channel::new(details, self.user_store.clone(), self.client.clone(), cx)
-        });
-        self.channels.insert(id, channel.downgrade());
-        Some(channel)
-    }
-}
-
-impl Entity for Channel {
-    type Event = ChannelEvent;
-
-    fn release(&mut self, _: &mut MutableAppContext) {
-        self.rpc
-            .send(proto::LeaveChannel {
-                channel_id: self.details.id,
-            })
-            .log_err();
-    }
-}
-
-impl Channel {
-    pub fn init(rpc: &Arc<Client>) {
-        rpc.add_model_message_handler(Self::handle_message_sent);
-    }
-
-    pub fn new(
-        details: ChannelDetails,
-        user_store: ModelHandle<UserStore>,
-        rpc: Arc<Client>,
-        cx: &mut ModelContext<Self>,
-    ) -> Self {
-        let _subscription = rpc.add_model_for_remote_entity(details.id, cx);
-
-        {
-            let user_store = user_store.clone();
-            let rpc = rpc.clone();
-            let channel_id = details.id;
-            cx.spawn(|channel, mut cx| {
-                async move {
-                    let response = rpc.request(proto::JoinChannel { channel_id }).await?;
-                    let messages =
-                        messages_from_proto(response.messages, &user_store, &mut cx).await?;
-                    let loaded_all_messages = response.done;
-
-                    channel.update(&mut cx, |channel, cx| {
-                        channel.insert_messages(messages, cx);
-                        channel.loaded_all_messages = loaded_all_messages;
-                    });
-
-                    Ok(())
-                }
-                .log_err()
-            })
-            .detach();
-        }
-
-        Self {
-            details,
-            user_store,
-            rpc,
-            outgoing_messages_lock: Default::default(),
-            messages: Default::default(),
-            loaded_all_messages: false,
-            next_pending_message_id: 0,
-            rng: StdRng::from_entropy(),
-            _subscription,
-        }
-    }
-
-    pub fn name(&self) -> &str {
-        &self.details.name
-    }
-
-    pub fn send_message(
-        &mut self,
-        body: String,
-        cx: &mut ModelContext<Self>,
-    ) -> Result<Task<Result<()>>> {
-        if body.is_empty() {
-            Err(anyhow!("message body can't be empty"))?;
-        }
-
-        let current_user = self
-            .user_store
-            .read(cx)
-            .current_user()
-            .ok_or_else(|| anyhow!("current_user is not present"))?;
-
-        let channel_id = self.details.id;
-        let pending_id = ChannelMessageId::Pending(post_inc(&mut self.next_pending_message_id));
-        let nonce = self.rng.gen();
-        self.insert_messages(
-            SumTree::from_item(
-                ChannelMessage {
-                    id: pending_id,
-                    body: body.clone(),
-                    sender: current_user,
-                    timestamp: OffsetDateTime::now_utc(),
-                    nonce,
-                },
-                &(),
-            ),
-            cx,
-        );
-        let user_store = self.user_store.clone();
-        let rpc = self.rpc.clone();
-        let outgoing_messages_lock = self.outgoing_messages_lock.clone();
-        Ok(cx.spawn(|this, mut cx| async move {
-            let outgoing_message_guard = outgoing_messages_lock.lock().await;
-            let request = rpc.request(proto::SendChannelMessage {
-                channel_id,
-                body,
-                nonce: Some(nonce.into()),
-            });
-            let response = request.await?;
-            drop(outgoing_message_guard);
-            let message = ChannelMessage::from_proto(
-                response.message.ok_or_else(|| anyhow!("invalid message"))?,
-                &user_store,
-                &mut cx,
-            )
-            .await?;
-            this.update(&mut cx, |this, cx| {
-                this.insert_messages(SumTree::from_item(message, &()), cx);
-                Ok(())
-            })
-        }))
-    }
-
-    pub fn load_more_messages(&mut self, cx: &mut ModelContext<Self>) -> bool {
-        if !self.loaded_all_messages {
-            let rpc = self.rpc.clone();
-            let user_store = self.user_store.clone();
-            let channel_id = self.details.id;
-            if let Some(before_message_id) =
-                self.messages.first().and_then(|message| match message.id {
-                    ChannelMessageId::Saved(id) => Some(id),
-                    ChannelMessageId::Pending(_) => None,
-                })
-            {
-                cx.spawn(|this, mut cx| {
-                    async move {
-                        let response = rpc
-                            .request(proto::GetChannelMessages {
-                                channel_id,
-                                before_message_id,
-                            })
-                            .await?;
-                        let loaded_all_messages = response.done;
-                        let messages =
-                            messages_from_proto(response.messages, &user_store, &mut cx).await?;
-                        this.update(&mut cx, |this, cx| {
-                            this.loaded_all_messages = loaded_all_messages;
-                            this.insert_messages(messages, cx);
-                        });
-                        Ok(())
-                    }
-                    .log_err()
-                })
-                .detach();
-                return true;
-            }
-        }
-        false
-    }
-
-    pub fn rejoin(&mut self, cx: &mut ModelContext<Self>) {
-        let user_store = self.user_store.clone();
-        let rpc = self.rpc.clone();
-        let channel_id = self.details.id;
-        cx.spawn(|this, mut cx| {
-            async move {
-                let response = rpc.request(proto::JoinChannel { channel_id }).await?;
-                let messages = messages_from_proto(response.messages, &user_store, &mut cx).await?;
-                let loaded_all_messages = response.done;
-
-                let pending_messages = this.update(&mut cx, |this, cx| {
-                    if let Some((first_new_message, last_old_message)) =
-                        messages.first().zip(this.messages.last())
-                    {
-                        if first_new_message.id > last_old_message.id {
-                            let old_messages = mem::take(&mut this.messages);
-                            cx.emit(ChannelEvent::MessagesUpdated {
-                                old_range: 0..old_messages.summary().count,
-                                new_count: 0,
-                            });
-                            this.loaded_all_messages = loaded_all_messages;
-                        }
-                    }
-
-                    this.insert_messages(messages, cx);
-                    if loaded_all_messages {
-                        this.loaded_all_messages = loaded_all_messages;
-                    }
-
-                    this.pending_messages().cloned().collect::<Vec<_>>()
-                });
-
-                for pending_message in pending_messages {
-                    let request = rpc.request(proto::SendChannelMessage {
-                        channel_id,
-                        body: pending_message.body,
-                        nonce: Some(pending_message.nonce.into()),
-                    });
-                    let response = request.await?;
-                    let message = ChannelMessage::from_proto(
-                        response.message.ok_or_else(|| anyhow!("invalid message"))?,
-                        &user_store,
-                        &mut cx,
-                    )
-                    .await?;
-                    this.update(&mut cx, |this, cx| {
-                        this.insert_messages(SumTree::from_item(message, &()), cx);
-                    });
-                }
-
-                Ok(())
-            }
-            .log_err()
-        })
-        .detach();
-    }
-
-    pub fn message_count(&self) -> usize {
-        self.messages.summary().count
-    }
-
-    pub fn messages(&self) -> &SumTree<ChannelMessage> {
-        &self.messages
-    }
-
-    pub fn message(&self, ix: usize) -> &ChannelMessage {
-        let mut cursor = self.messages.cursor::<Count>();
-        cursor.seek(&Count(ix), Bias::Right, &());
-        cursor.item().unwrap()
-    }
-
-    pub fn messages_in_range(&self, range: Range<usize>) -> impl Iterator<Item = &ChannelMessage> {
-        let mut cursor = self.messages.cursor::<Count>();
-        cursor.seek(&Count(range.start), Bias::Right, &());
-        cursor.take(range.len())
-    }
-
-    pub fn pending_messages(&self) -> impl Iterator<Item = &ChannelMessage> {
-        let mut cursor = self.messages.cursor::<ChannelMessageId>();
-        cursor.seek(&ChannelMessageId::Pending(0), Bias::Left, &());
-        cursor
-    }
-
-    async fn handle_message_sent(
-        this: ModelHandle<Self>,
-        message: TypedEnvelope<proto::ChannelMessageSent>,
-        _: Arc<Client>,
-        mut cx: AsyncAppContext,
-    ) -> Result<()> {
-        let user_store = this.read_with(&cx, |this, _| this.user_store.clone());
-        let message = message
-            .payload
-            .message
-            .ok_or_else(|| anyhow!("empty message"))?;
-
-        let message = ChannelMessage::from_proto(message, &user_store, &mut cx).await?;
-        this.update(&mut cx, |this, cx| {
-            this.insert_messages(SumTree::from_item(message, &()), cx)
-        });
-
-        Ok(())
-    }
-
-    fn insert_messages(&mut self, messages: SumTree<ChannelMessage>, cx: &mut ModelContext<Self>) {
-        if let Some((first_message, last_message)) = messages.first().zip(messages.last()) {
-            let nonces = messages
-                .cursor::<()>()
-                .map(|m| m.nonce)
-                .collect::<HashSet<_>>();
-
-            let mut old_cursor = self.messages.cursor::<(ChannelMessageId, Count)>();
-            let mut new_messages = old_cursor.slice(&first_message.id, Bias::Left, &());
-            let start_ix = old_cursor.start().1 .0;
-            let removed_messages = old_cursor.slice(&last_message.id, Bias::Right, &());
-            let removed_count = removed_messages.summary().count;
-            let new_count = messages.summary().count;
-            let end_ix = start_ix + removed_count;
-
-            new_messages.push_tree(messages, &());
-
-            let mut ranges = Vec::<Range<usize>>::new();
-            if new_messages.last().unwrap().is_pending() {
-                new_messages.push_tree(old_cursor.suffix(&()), &());
-            } else {
-                new_messages.push_tree(
-                    old_cursor.slice(&ChannelMessageId::Pending(0), Bias::Left, &()),
-                    &(),
-                );
-
-                while let Some(message) = old_cursor.item() {
-                    let message_ix = old_cursor.start().1 .0;
-                    if nonces.contains(&message.nonce) {
-                        if ranges.last().map_or(false, |r| r.end == message_ix) {
-                            ranges.last_mut().unwrap().end += 1;
-                        } else {
-                            ranges.push(message_ix..message_ix + 1);
-                        }
-                    } else {
-                        new_messages.push(message.clone(), &());
-                    }
-                    old_cursor.next(&());
-                }
-            }
-
-            drop(old_cursor);
-            self.messages = new_messages;
-
-            for range in ranges.into_iter().rev() {
-                cx.emit(ChannelEvent::MessagesUpdated {
-                    old_range: range,
-                    new_count: 0,
-                });
-            }
-            cx.emit(ChannelEvent::MessagesUpdated {
-                old_range: start_ix..end_ix,
-                new_count,
-            });
-            cx.notify();
-        }
-    }
-}
-
-async fn messages_from_proto(
-    proto_messages: Vec<proto::ChannelMessage>,
-    user_store: &ModelHandle<UserStore>,
-    cx: &mut AsyncAppContext,
-) -> Result<SumTree<ChannelMessage>> {
-    let unique_user_ids = proto_messages
-        .iter()
-        .map(|m| m.sender_id)
-        .collect::<HashSet<_>>()
-        .into_iter()
-        .collect();
-    user_store
-        .update(cx, |user_store, cx| {
-            user_store.get_users(unique_user_ids, cx)
-        })
-        .await?;
-
-    let mut messages = Vec::with_capacity(proto_messages.len());
-    for message in proto_messages {
-        messages.push(ChannelMessage::from_proto(message, user_store, cx).await?);
-    }
-    let mut result = SumTree::new();
-    result.extend(messages, &());
-    Ok(result)
-}
-
-impl From<proto::Channel> for ChannelDetails {
-    fn from(message: proto::Channel) -> Self {
-        Self {
-            id: message.id,
-            name: message.name,
-        }
-    }
-}
-
-impl ChannelMessage {
-    pub async fn from_proto(
-        message: proto::ChannelMessage,
-        user_store: &ModelHandle<UserStore>,
-        cx: &mut AsyncAppContext,
-    ) -> Result<Self> {
-        let sender = user_store
-            .update(cx, |user_store, cx| {
-                user_store.get_user(message.sender_id, cx)
-            })
-            .await?;
-        Ok(ChannelMessage {
-            id: ChannelMessageId::Saved(message.id),
-            body: message.body,
-            timestamp: OffsetDateTime::from_unix_timestamp(message.timestamp as i64)?,
-            sender,
-            nonce: message
-                .nonce
-                .ok_or_else(|| anyhow!("nonce is required"))?
-                .into(),
-        })
-    }
-
-    pub fn is_pending(&self) -> bool {
-        matches!(self.id, ChannelMessageId::Pending(_))
-    }
-}
-
-impl sum_tree::Item for ChannelMessage {
-    type Summary = ChannelMessageSummary;
-
-    fn summary(&self) -> Self::Summary {
-        ChannelMessageSummary {
-            max_id: self.id,
-            count: 1,
-        }
-    }
-}
-
-impl Default for ChannelMessageId {
-    fn default() -> Self {
-        Self::Saved(0)
-    }
-}
-
-impl sum_tree::Summary for ChannelMessageSummary {
-    type Context = ();
-
-    fn add_summary(&mut self, summary: &Self, _: &()) {
-        self.max_id = summary.max_id;
-        self.count += summary.count;
-    }
-}
-
-impl<'a> sum_tree::Dimension<'a, ChannelMessageSummary> for ChannelMessageId {
-    fn add_summary(&mut self, summary: &'a ChannelMessageSummary, _: &()) {
-        debug_assert!(summary.max_id > *self);
-        *self = summary.max_id;
-    }
-}
-
-impl<'a> sum_tree::Dimension<'a, ChannelMessageSummary> for Count {
-    fn add_summary(&mut self, summary: &'a ChannelMessageSummary, _: &()) {
-        self.0 += summary.count;
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::test::{FakeHttpClient, FakeServer};
-    use gpui::TestAppContext;
-
-    #[gpui::test]
-    async fn test_channel_messages(cx: &mut TestAppContext) {
-        cx.foreground().forbid_parking();
-
-        let user_id = 5;
-        let http_client = FakeHttpClient::with_404_response();
-        let client = cx.update(|cx| Client::new(http_client.clone(), cx));
-        let server = FakeServer::for_client(user_id, &client, cx).await;
-
-        Channel::init(&client);
-        let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
-
-        let channel_list = cx.add_model(|cx| ChannelList::new(user_store, client.clone(), cx));
-        channel_list.read_with(cx, |list, _| assert_eq!(list.available_channels(), None));
-
-        // Get the available channels.
-        let get_channels = server.receive::<proto::GetChannels>().await.unwrap();
-        server
-            .respond(
-                get_channels.receipt(),
-                proto::GetChannelsResponse {
-                    channels: vec![proto::Channel {
-                        id: 5,
-                        name: "the-channel".to_string(),
-                    }],
-                },
-            )
-            .await;
-        channel_list.next_notification(cx).await;
-        channel_list.read_with(cx, |list, _| {
-            assert_eq!(
-                list.available_channels().unwrap(),
-                &[ChannelDetails {
-                    id: 5,
-                    name: "the-channel".into(),
-                }]
-            )
-        });
-
-        let get_users = server.receive::<proto::GetUsers>().await.unwrap();
-        assert_eq!(get_users.payload.user_ids, vec![5]);
-        server
-            .respond(
-                get_users.receipt(),
-                proto::UsersResponse {
-                    users: vec![proto::User {
-                        id: 5,
-                        github_login: "nathansobo".into(),
-                        avatar_url: "http://avatar.com/nathansobo".into(),
-                    }],
-                },
-            )
-            .await;
-
-        // Join a channel and populate its existing messages.
-        let channel = channel_list
-            .update(cx, |list, cx| {
-                let channel_id = list.available_channels().unwrap()[0].id;
-                list.get_channel(channel_id, cx)
-            })
-            .unwrap();
-        channel.read_with(cx, |channel, _| assert!(channel.messages().is_empty()));
-        let join_channel = server.receive::<proto::JoinChannel>().await.unwrap();
-        server
-            .respond(
-                join_channel.receipt(),
-                proto::JoinChannelResponse {
-                    messages: vec![
-                        proto::ChannelMessage {
-                            id: 10,
-                            body: "a".into(),
-                            timestamp: 1000,
-                            sender_id: 5,
-                            nonce: Some(1.into()),
-                        },
-                        proto::ChannelMessage {
-                            id: 11,
-                            body: "b".into(),
-                            timestamp: 1001,
-                            sender_id: 6,
-                            nonce: Some(2.into()),
-                        },
-                    ],
-                    done: false,
-                },
-            )
-            .await;
-
-        // Client requests all users for the received messages
-        let mut get_users = server.receive::<proto::GetUsers>().await.unwrap();
-        get_users.payload.user_ids.sort();
-        assert_eq!(get_users.payload.user_ids, vec![6]);
-        server
-            .respond(
-                get_users.receipt(),
-                proto::UsersResponse {
-                    users: vec![proto::User {
-                        id: 6,
-                        github_login: "maxbrunsfeld".into(),
-                        avatar_url: "http://avatar.com/maxbrunsfeld".into(),
-                    }],
-                },
-            )
-            .await;
-
-        assert_eq!(
-            channel.next_event(cx).await,
-            ChannelEvent::MessagesUpdated {
-                old_range: 0..0,
-                new_count: 2,
-            }
-        );
-        channel.read_with(cx, |channel, _| {
-            assert_eq!(
-                channel
-                    .messages_in_range(0..2)
-                    .map(|message| (message.sender.github_login.clone(), message.body.clone()))
-                    .collect::<Vec<_>>(),
-                &[
-                    ("nathansobo".into(), "a".into()),
-                    ("maxbrunsfeld".into(), "b".into())
-                ]
-            );
-        });
-
-        // Receive a new message.
-        server.send(proto::ChannelMessageSent {
-            channel_id: channel.read_with(cx, |channel, _| channel.details.id),
-            message: Some(proto::ChannelMessage {
-                id: 12,
-                body: "c".into(),
-                timestamp: 1002,
-                sender_id: 7,
-                nonce: Some(3.into()),
-            }),
-        });
-
-        // Client requests user for message since they haven't seen them yet
-        let get_users = server.receive::<proto::GetUsers>().await.unwrap();
-        assert_eq!(get_users.payload.user_ids, vec![7]);
-        server
-            .respond(
-                get_users.receipt(),
-                proto::UsersResponse {
-                    users: vec![proto::User {
-                        id: 7,
-                        github_login: "as-cii".into(),
-                        avatar_url: "http://avatar.com/as-cii".into(),
-                    }],
-                },
-            )
-            .await;
-
-        assert_eq!(
-            channel.next_event(cx).await,
-            ChannelEvent::MessagesUpdated {
-                old_range: 2..2,
-                new_count: 1,
-            }
-        );
-        channel.read_with(cx, |channel, _| {
-            assert_eq!(
-                channel
-                    .messages_in_range(2..3)
-                    .map(|message| (message.sender.github_login.clone(), message.body.clone()))
-                    .collect::<Vec<_>>(),
-                &[("as-cii".into(), "c".into())]
-            )
-        });
-
-        // Scroll up to view older messages.
-        channel.update(cx, |channel, cx| {
-            assert!(channel.load_more_messages(cx));
-        });
-        let get_messages = server.receive::<proto::GetChannelMessages>().await.unwrap();
-        assert_eq!(get_messages.payload.channel_id, 5);
-        assert_eq!(get_messages.payload.before_message_id, 10);
-        server
-            .respond(
-                get_messages.receipt(),
-                proto::GetChannelMessagesResponse {
-                    done: true,
-                    messages: vec![
-                        proto::ChannelMessage {
-                            id: 8,
-                            body: "y".into(),
-                            timestamp: 998,
-                            sender_id: 5,
-                            nonce: Some(4.into()),
-                        },
-                        proto::ChannelMessage {
-                            id: 9,
-                            body: "z".into(),
-                            timestamp: 999,
-                            sender_id: 6,
-                            nonce: Some(5.into()),
-                        },
-                    ],
-                },
-            )
-            .await;
-
-        assert_eq!(
-            channel.next_event(cx).await,
-            ChannelEvent::MessagesUpdated {
-                old_range: 0..0,
-                new_count: 2,
-            }
-        );
-        channel.read_with(cx, |channel, _| {
-            assert_eq!(
-                channel
-                    .messages_in_range(0..2)
-                    .map(|message| (message.sender.github_login.clone(), message.body.clone()))
-                    .collect::<Vec<_>>(),
-                &[
-                    ("nathansobo".into(), "y".into()),
-                    ("maxbrunsfeld".into(), "z".into())
-                ]
-            );
-        });
-    }
-}

crates/client/src/client.rs

@@ -1,8 +1,6 @@
 #[cfg(any(test, feature = "test-support"))]
 pub mod test;
 
-pub mod channel;
-pub mod http;
 pub mod telemetry;
 pub mod user;
 
@@ -12,29 +10,27 @@ use async_tungstenite::tungstenite::{
     error::Error as WebsocketError,
     http::{Request, StatusCode},
 };
-use db::Db;
 use futures::{future::LocalBoxFuture, AsyncReadExt, FutureExt, SinkExt, StreamExt, TryStreamExt};
 use gpui::{
     actions,
     serde_json::{self, Value},
-    AnyModelHandle, AnyViewHandle, AnyWeakModelHandle, AnyWeakViewHandle, AppContext,
-    AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task, View, ViewContext,
-    ViewHandle,
+    AnyModelHandle, AnyViewHandle, AnyWeakModelHandle, AnyWeakViewHandle, AppContext, AppVersion,
+    AsyncAppContext, Entity, ModelHandle, MutableAppContext, Task, View, ViewContext, ViewHandle,
 };
-use http::HttpClient;
 use lazy_static::lazy_static;
 use parking_lot::RwLock;
 use postage::watch;
 use rand::prelude::*;
-use rpc::proto::{AnyTypedEnvelope, EntityMessage, EnvelopedMessage, RequestMessage};
+use rpc::proto::{AnyTypedEnvelope, EntityMessage, EnvelopedMessage, PeerId, RequestMessage};
 use serde::Deserialize;
-use settings::ReleaseChannel;
+use settings::{Settings, TelemetrySettings};
 use std::{
     any::TypeId,
     collections::HashMap,
     convert::TryFrom,
     fmt::Write as _,
     future::Future,
+    marker::PhantomData,
     path::PathBuf,
     sync::{Arc, Weak},
     time::{Duration, Instant},
@@ -42,9 +38,10 @@ use std::{
 use telemetry::Telemetry;
 use thiserror::Error;
 use url::Url;
+use util::channel::ReleaseChannel;
+use util::http::HttpClient;
 use util::{ResultExt, TryFutureExt};
 
-pub use channel::*;
 pub use rpc::*;
 pub use user::*;
 
@@ -57,18 +54,23 @@ lazy_static! {
     pub static ref ADMIN_API_TOKEN: Option<String> = std::env::var("ZED_ADMIN_API_TOKEN")
         .ok()
         .and_then(|s| if s.is_empty() { None } else { Some(s) });
+    pub static ref ZED_APP_VERSION: Option<AppVersion> = std::env::var("ZED_APP_VERSION")
+        .ok()
+        .and_then(|v| v.parse().ok());
+    pub static ref ZED_APP_PATH: Option<PathBuf> =
+        std::env::var("ZED_APP_PATH").ok().map(PathBuf::from);
 }
 
 pub const ZED_SECRET_CLIENT_TOKEN: &str = "618033988749894";
 pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(100);
 pub const CONNECTION_TIMEOUT: Duration = Duration::from_secs(5);
 
-actions!(client, [Authenticate]);
+actions!(client, [SignIn, SignOut]);
 
 pub fn init(client: Arc<Client>, cx: &mut MutableAppContext) {
     cx.add_global_action({
         let client = client.clone();
-        move |_: &Authenticate, cx| {
+        move |_: &SignIn, cx| {
             let client = client.clone();
             cx.spawn(
                 |cx| async move { client.authenticate_and_connect(true, &cx).log_err().await },
@@ -76,6 +78,16 @@ pub fn init(client: Arc<Client>, cx: &mut MutableAppContext) {
             .detach();
         }
     });
+    cx.add_global_action({
+        let client = client.clone();
+        move |_: &SignOut, cx| {
+            let client = client.clone();
+            cx.spawn(|cx| async move {
+                client.disconnect(&cx);
+            })
+            .detach();
+        }
+    });
 }
 
 pub struct Client {
@@ -117,7 +129,7 @@ pub enum EstablishConnectionError {
     #[error("{0}")]
     Other(#[from] anyhow::Error),
     #[error("{0}")]
-    Http(#[from] http::Error),
+    Http(#[from] util::http::Error),
     #[error("{0}")]
     Io(#[from] std::io::Error),
     #[error("{0}")]
@@ -143,7 +155,7 @@ impl EstablishConnectionError {
     }
 }
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[derive(Copy, Clone, Debug, PartialEq)]
 pub enum Status {
     SignedOut,
     UpgradeRequired,
@@ -166,6 +178,10 @@ impl Status {
     pub fn is_connected(&self) -> bool {
         matches!(self, Self::Connected { .. })
     }
+
+    pub fn is_signed_out(&self) -> bool {
+        matches!(self, Self::SignedOut | Self::UpgradeRequired)
+    }
 }
 
 struct ClientState {
@@ -174,7 +190,7 @@ struct ClientState {
     entity_id_extractors: HashMap<TypeId, fn(&dyn AnyTypedEnvelope) -> u64>,
     _reconnect_task: Option<Task<()>>,
     reconnect_interval: Duration,
-    entities_by_type_and_remote_id: HashMap<(TypeId, u64), AnyWeakEntityHandle>,
+    entities_by_type_and_remote_id: HashMap<(TypeId, u64), WeakSubscriber>,
     models_by_message_type: HashMap<TypeId, AnyWeakModelHandle>,
     entity_types_by_message_type: HashMap<TypeId, TypeId>,
     #[allow(clippy::type_complexity)]
@@ -184,7 +200,7 @@ struct ClientState {
             dyn Send
                 + Sync
                 + Fn(
-                    AnyEntityHandle,
+                    Subscriber,
                     Box<dyn AnyTypedEnvelope>,
                     &Arc<Client>,
                     AsyncAppContext,
@@ -193,12 +209,13 @@ struct ClientState {
     >,
 }
 
-enum AnyWeakEntityHandle {
+enum WeakSubscriber {
     Model(AnyWeakModelHandle),
     View(AnyWeakViewHandle),
+    Pending(Vec<Box<dyn AnyTypedEnvelope>>),
 }
 
-enum AnyEntityHandle {
+enum Subscriber {
     Model(AnyModelHandle),
     View(AnyViewHandle),
 }
@@ -256,11 +273,59 @@ impl Drop for Subscription {
     }
 }
 
+pub struct PendingEntitySubscription<T: Entity> {
+    client: Arc<Client>,
+    remote_id: u64,
+    _entity_type: PhantomData<T>,
+    consumed: bool,
+}
+
+impl<T: Entity> PendingEntitySubscription<T> {
+    pub fn set_model(mut self, model: &ModelHandle<T>, cx: &mut AsyncAppContext) -> Subscription {
+        self.consumed = true;
+        let mut state = self.client.state.write();
+        let id = (TypeId::of::<T>(), self.remote_id);
+        let Some(WeakSubscriber::Pending(messages)) =
+            state.entities_by_type_and_remote_id.remove(&id)
+        else {
+            unreachable!()
+        };
+
+        state
+            .entities_by_type_and_remote_id
+            .insert(id, WeakSubscriber::Model(model.downgrade().into()));
+        drop(state);
+        for message in messages {
+            self.client.handle_message(message, cx);
+        }
+        Subscription::Entity {
+            client: Arc::downgrade(&self.client),
+            id,
+        }
+    }
+}
+
+impl<T: Entity> Drop for PendingEntitySubscription<T> {
+    fn drop(&mut self) {
+        if !self.consumed {
+            let mut state = self.client.state.write();
+            if let Some(WeakSubscriber::Pending(messages)) = state
+                .entities_by_type_and_remote_id
+                .remove(&(TypeId::of::<T>(), self.remote_id))
+            {
+                for message in messages {
+                    log::info!("unhandled message {}", message.payload_type_name());
+                }
+            }
+        }
+    }
+}
+
 impl Client {
     pub fn new(http: Arc<dyn HttpClient>, cx: &AppContext) -> Arc<Self> {
         Arc::new(Self {
             id: 0,
-            peer: Peer::new(),
+            peer: Peer::new(0),
             telemetry: Telemetry::new(http.clone(), cx),
             http,
             state: Default::default(),
@@ -287,14 +352,14 @@ impl Client {
     }
 
     #[cfg(any(test, feature = "test-support"))]
-    pub fn tear_down(&self) {
+    pub fn teardown(&self) {
         let mut state = self.state.write();
         state._reconnect_task.take();
         state.message_handlers.clear();
         state.models_by_message_type.clear();
         state.entities_by_type_and_remote_id.clear();
         state.entity_id_extractors.clear();
-        self.peer.reset();
+        self.peer.teardown();
     }
 
     #[cfg(any(test, feature = "test-support"))]
@@ -351,7 +416,11 @@ impl Client {
                 let this = self.clone();
                 let reconnect_interval = state.reconnect_interval;
                 state._reconnect_task = Some(cx.spawn(|cx| async move {
+                    #[cfg(any(test, feature = "test-support"))]
+                    let mut rng = StdRng::seed_from_u64(0);
+                    #[cfg(not(any(test, feature = "test-support")))]
                     let mut rng = StdRng::from_entropy();
+
                     let mut delay = INITIAL_RECONNECTION_DELAY;
                     while let Err(error) = this.authenticate_and_connect(true, &cx).await {
                         log::error!("failed to connect {}", error);
@@ -373,7 +442,9 @@ impl Client {
                 }));
             }
             Status::SignedOut | Status::UpgradeRequired => {
-                self.telemetry.set_authenticated_user_info(None, false);
+                let telemetry_settings = cx.read(|cx| cx.global::<Settings>().telemetry());
+                self.telemetry
+                    .set_authenticated_user_info(None, false, telemetry_settings);
                 state._reconnect_task.take();
             }
             _ => {}
@@ -389,26 +460,28 @@ impl Client {
         self.state
             .write()
             .entities_by_type_and_remote_id
-            .insert(id, AnyWeakEntityHandle::View(cx.weak_handle().into()));
+            .insert(id, WeakSubscriber::View(cx.weak_handle().into()));
         Subscription::Entity {
             client: Arc::downgrade(self),
             id,
         }
     }
 
-    pub fn add_model_for_remote_entity<T: Entity>(
+    pub fn subscribe_to_entity<T: Entity>(
         self: &Arc<Self>,
         remote_id: u64,
-        cx: &mut ModelContext<T>,
-    ) -> Subscription {
+    ) -> PendingEntitySubscription<T> {
         let id = (TypeId::of::<T>(), remote_id);
         self.state
             .write()
             .entities_by_type_and_remote_id
-            .insert(id, AnyWeakEntityHandle::Model(cx.weak_handle().into()));
-        Subscription::Entity {
-            client: Arc::downgrade(self),
-            id,
+            .insert(id, WeakSubscriber::Pending(Default::default()));
+
+        PendingEntitySubscription {
+            client: self.clone(),
+            remote_id,
+            consumed: false,
+            _entity_type: PhantomData,
         }
     }
 
@@ -436,7 +509,7 @@ impl Client {
         let prev_handler = state.message_handlers.insert(
             message_type_id,
             Arc::new(move |handle, envelope, client, cx| {
-                let handle = if let AnyEntityHandle::Model(handle) = handle {
+                let handle = if let Subscriber::Model(handle) = handle {
                     handle
                 } else {
                     unreachable!();
@@ -490,7 +563,7 @@ impl Client {
         F: 'static + Future<Output = Result<()>>,
     {
         self.add_entity_message_handler::<M, E, _, _>(move |handle, message, client, cx| {
-            if let AnyEntityHandle::View(handle) = handle {
+            if let Subscriber::View(handle) = handle {
                 handler(handle.downcast::<E>().unwrap(), message, client, cx)
             } else {
                 unreachable!();
@@ -509,7 +582,7 @@ impl Client {
         F: 'static + Future<Output = Result<()>>,
     {
         self.add_entity_message_handler::<M, E, _, _>(move |handle, message, client, cx| {
-            if let AnyEntityHandle::Model(handle) = handle {
+            if let Subscriber::Model(handle) = handle {
                 handler(handle.downcast::<E>().unwrap(), message, client, cx)
             } else {
                 unreachable!();
@@ -524,7 +597,7 @@ impl Client {
         H: 'static
             + Send
             + Sync
-            + Fn(AnyEntityHandle, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
+            + Fn(Subscriber, TypedEnvelope<M>, Arc<Self>, AsyncAppContext) -> F,
         F: 'static + Future<Output = Result<()>>,
     {
         let model_type_id = TypeId::of::<E>();
@@ -654,7 +727,13 @@ impl Client {
             credentials = read_credentials_from_keychain(cx);
             read_from_keychain = credentials.is_some();
             if read_from_keychain {
-                self.report_event("read credentials from keychain", Default::default());
+                cx.read(|cx| {
+                    self.report_event(
+                        "read credentials from keychain",
+                        Default::default(),
+                        cx.global::<Settings>().telemetry(),
+                    );
+                });
             }
         }
         if credentials.is_none() {
@@ -758,7 +837,11 @@ impl Client {
                         hello_message_type_name
                     )
                 })?;
-            Ok(PeerId(hello.payload.peer_id))
+            let peer_id = hello
+                .payload
+                .peer_id
+                .ok_or_else(|| anyhow!("invalid peer id"))?;
+            Ok(peer_id)
         };
 
         let peer_id = match peer_id.await {
@@ -770,7 +853,7 @@ impl Client {
         };
 
         log::info!(
-            "set status to connected (connection id: {}, peer id: {})",
+            "set status to connected (connection id: {:?}, peer id: {:?})",
             connection_id,
             peer_id
         );
@@ -786,94 +869,8 @@ impl Client {
                 let cx = cx.clone();
                 let this = self.clone();
                 async move {
-                    let mut message_id = 0_usize;
                     while let Some(message) = incoming.next().await {
-                        let mut state = this.state.write();
-                        message_id += 1;
-                        let type_name = message.payload_type_name();
-                        let payload_type_id = message.payload_type_id();
-                        let sender_id = message.original_sender_id().map(|id| id.0);
-
-                        let model = state
-                            .models_by_message_type
-                            .get(&payload_type_id)
-                            .and_then(|model| model.upgrade(&cx))
-                            .map(AnyEntityHandle::Model)
-                            .or_else(|| {
-                                let entity_type_id =
-                                    *state.entity_types_by_message_type.get(&payload_type_id)?;
-                                let entity_id = state
-                                    .entity_id_extractors
-                                    .get(&message.payload_type_id())
-                                    .map(|extract_entity_id| {
-                                        (extract_entity_id)(message.as_ref())
-                                    })?;
-
-                                let entity = state
-                                    .entities_by_type_and_remote_id
-                                    .get(&(entity_type_id, entity_id))?;
-                                if let Some(entity) = entity.upgrade(&cx) {
-                                    Some(entity)
-                                } else {
-                                    state
-                                        .entities_by_type_and_remote_id
-                                        .remove(&(entity_type_id, entity_id));
-                                    None
-                                }
-                            });
-
-                        let model = if let Some(model) = model {
-                            model
-                        } else {
-                            log::info!("unhandled message {}", type_name);
-                            continue;
-                        };
-
-                        let handler = state.message_handlers.get(&payload_type_id).cloned();
-                        // Dropping the state prevents deadlocks if the handler interacts with rpc::Client.
-                        // It also ensures we don't hold the lock while yielding back to the executor, as
-                        // that might cause the executor thread driving this future to block indefinitely.
-                        drop(state);
-
-                        if let Some(handler) = handler {
-                            let future = handler(model, message, &this, cx.clone());
-                            let client_id = this.id;
-                            log::debug!(
-                                "rpc message received. client_id:{}, message_id:{}, sender_id:{:?}, type:{}",
-                                client_id,
-                                message_id,
-                                sender_id,
-                                type_name
-                            );
-                            cx.foreground()
-                                .spawn(async move {
-                                    match future.await {
-                                        Ok(()) => {
-                                            log::debug!(
-                                                "rpc message handled. client_id:{}, message_id:{}, sender_id:{:?}, type:{}",
-                                                client_id,
-                                                message_id,
-                                                sender_id,
-                                                type_name
-                                            );
-                                        }
-                                        Err(error) => {
-                                            log::error!(
-                                                "error handling message. client_id:{}, message_id:{}, sender_id:{:?}, type:{}, error:{:?}",
-                                                client_id,
-                                                message_id,
-                                                sender_id,
-                                                type_name,
-                                                error
-                                            );
-                                        }
-                                    }
-                                })
-                                .detach();
-                        } else {
-                            log::info!("unhandled message {}", type_name);
-                        }
-
+                        this.handle_message(message, &cx);
                         // Don't starve the main thread when receiving lots of messages at once.
                         smol::future::yield_now().await;
                     }
@@ -887,7 +884,7 @@ impl Client {
             .spawn(async move {
                 match handle_io.await {
                     Ok(()) => {
-                        if *this.status().borrow()
+                        if this.status().borrow().clone()
                             == (Status::Connected {
                                 connection_id,
                                 peer_id,
@@ -1027,6 +1024,8 @@ impl Client {
         let executor = cx.background();
         let telemetry = self.telemetry.clone();
         let http = self.http.clone();
+        let metrics_enabled = cx.read(|cx| cx.global::<Settings>().telemetry());
+
         executor.clone().spawn(async move {
             // Generate a pair of asymmetric encryption keys. The public key will be used by the
             // zed server to encrypt the user's access token, so that it can'be intercepted by
@@ -1109,7 +1108,11 @@ impl Client {
                 .context("failed to decrypt access token")?;
             platform.activate(true);
 
-            telemetry.report_event("authenticate with browser", Default::default());
+            telemetry.report_event(
+                "authenticate with browser",
+                Default::default(),
+                metrics_enabled,
+            );
 
             Ok(Credentials {
                 user_id: user_id.parse()?,
@@ -1162,11 +1165,9 @@ impl Client {
         })
     }
 
-    pub fn disconnect(self: &Arc<Self>, cx: &AsyncAppContext) -> Result<()> {
-        let conn_id = self.connection_id()?;
-        self.peer.disconnect(conn_id);
+    pub fn disconnect(self: &Arc<Self>, cx: &AsyncAppContext) {
+        self.peer.teardown();
         self.set_status(Status::SignedOut, cx);
-        Ok(())
     }
 
     fn connection_id(&self) -> Result<ConnectionId> {
@@ -1220,24 +1221,132 @@ impl Client {
         self.peer.respond_with_error(receipt, error)
     }
 
-    pub fn start_telemetry(&self, db: Db) {
-        self.telemetry.start(db.clone());
+    fn handle_message(
+        self: &Arc<Client>,
+        message: Box<dyn AnyTypedEnvelope>,
+        cx: &AsyncAppContext,
+    ) {
+        let mut state = self.state.write();
+        let type_name = message.payload_type_name();
+        let payload_type_id = message.payload_type_id();
+        let sender_id = message.original_sender_id();
+
+        let mut subscriber = None;
+
+        if let Some(message_model) = state
+            .models_by_message_type
+            .get(&payload_type_id)
+            .and_then(|model| model.upgrade(cx))
+        {
+            subscriber = Some(Subscriber::Model(message_model));
+        } else if let Some((extract_entity_id, entity_type_id)) =
+            state.entity_id_extractors.get(&payload_type_id).zip(
+                state
+                    .entity_types_by_message_type
+                    .get(&payload_type_id)
+                    .copied(),
+            )
+        {
+            let entity_id = (extract_entity_id)(message.as_ref());
+
+            match state
+                .entities_by_type_and_remote_id
+                .get_mut(&(entity_type_id, entity_id))
+            {
+                Some(WeakSubscriber::Pending(pending)) => {
+                    pending.push(message);
+                    return;
+                }
+                Some(weak_subscriber @ _) => subscriber = weak_subscriber.upgrade(cx),
+                _ => {}
+            }
+        }
+
+        let subscriber = if let Some(subscriber) = subscriber {
+            subscriber
+        } else {
+            log::info!("unhandled message {}", type_name);
+            self.peer.respond_with_unhandled_message(message).log_err();
+            return;
+        };
+
+        let handler = state.message_handlers.get(&payload_type_id).cloned();
+        // Dropping the state prevents deadlocks if the handler interacts with rpc::Client.
+        // It also ensures we don't hold the lock while yielding back to the executor, as
+        // that might cause the executor thread driving this future to block indefinitely.
+        drop(state);
+
+        if let Some(handler) = handler {
+            let future = handler(subscriber, message, &self, cx.clone());
+            let client_id = self.id;
+            log::debug!(
+                "rpc message received. client_id:{}, sender_id:{:?}, type:{}",
+                client_id,
+                sender_id,
+                type_name
+            );
+            cx.foreground()
+                .spawn(async move {
+                    match future.await {
+                        Ok(()) => {
+                            log::debug!(
+                                "rpc message handled. client_id:{}, sender_id:{:?}, type:{}",
+                                client_id,
+                                sender_id,
+                                type_name
+                            );
+                        }
+                        Err(error) => {
+                            log::error!(
+                                "error handling message. client_id:{}, sender_id:{:?}, type:{}, error:{:?}",
+                                client_id,
+                                sender_id,
+                                type_name,
+                                error
+                            );
+                        }
+                    }
+                })
+                .detach();
+        } else {
+            log::info!("unhandled message {}", type_name);
+            self.peer.respond_with_unhandled_message(message).log_err();
+        }
     }
 
-    pub fn report_event(&self, kind: &str, properties: Value) {
-        self.telemetry.report_event(kind, properties.clone());
+    pub fn start_telemetry(&self) {
+        self.telemetry.start();
+    }
+
+    pub fn report_event(
+        &self,
+        kind: &str,
+        properties: Value,
+        telemetry_settings: TelemetrySettings,
+    ) {
+        self.telemetry
+            .report_event(kind, properties.clone(), telemetry_settings);
     }
 
     pub fn telemetry_log_file_path(&self) -> Option<PathBuf> {
         self.telemetry.log_file_path()
     }
+
+    pub fn metrics_id(&self) -> Option<Arc<str>> {
+        self.telemetry.metrics_id()
+    }
+
+    pub fn is_staff(&self) -> Option<bool> {
+        self.telemetry.is_staff()
+    }
 }
 
-impl AnyWeakEntityHandle {
-    fn upgrade(&self, cx: &AsyncAppContext) -> Option<AnyEntityHandle> {
+impl WeakSubscriber {
+    fn upgrade(&self, cx: &AsyncAppContext) -> Option<Subscriber> {
         match self {
-            AnyWeakEntityHandle::Model(handle) => handle.upgrade(cx).map(AnyEntityHandle::Model),
-            AnyWeakEntityHandle::View(handle) => handle.upgrade(cx).map(AnyEntityHandle::View),
+            WeakSubscriber::Model(handle) => handle.upgrade(cx).map(Subscriber::Model),
+            WeakSubscriber::View(handle) => handle.upgrade(cx).map(Subscriber::View),
+            WeakSubscriber::Pending(_) => None,
         }
     }
 }
@@ -1286,10 +1395,11 @@ pub fn decode_worktree_url(url: &str) -> Option<(u64, String)> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::test::{FakeHttpClient, FakeServer};
+    use crate::test::FakeServer;
     use gpui::{executor::Deterministic, TestAppContext};
     use parking_lot::Mutex;
     use std::future;
+    use util::http::FakeHttpClient;
 
     #[gpui::test(iterations = 10)]
     async fn test_reconnection(cx: &mut TestAppContext) {
@@ -1482,11 +1592,17 @@ mod tests {
             subscription: None,
         });
 
-        let _subscription1 = model1.update(cx, |_, cx| client.add_model_for_remote_entity(1, cx));
-        let _subscription2 = model2.update(cx, |_, cx| client.add_model_for_remote_entity(2, cx));
+        let _subscription1 = client
+            .subscribe_to_entity(1)
+            .set_model(&model1, &mut cx.to_async());
+        let _subscription2 = client
+            .subscribe_to_entity(2)
+            .set_model(&model2, &mut cx.to_async());
         // Ensure dropping a subscription for the same entity type still allows receiving of
         // messages for other entity IDs of the same type.
-        let subscription3 = model3.update(cx, |_, cx| client.add_model_for_remote_entity(3, cx));
+        let subscription3 = client
+            .subscribe_to_entity(3)
+            .set_model(&model3, &mut cx.to_async());
         drop(subscription3);
 
         server.send(proto::JoinProject { project_id: 1 });

crates/client/src/http.rs

@@ -1,51 +0,0 @@
-pub use anyhow::{anyhow, Result};
-use futures::future::BoxFuture;
-use isahc::{
-    config::{Configurable, RedirectPolicy},
-    AsyncBody,
-};
-pub use isahc::{
-    http::{Method, Uri},
-    Error,
-};
-use smol::future::FutureExt;
-use std::sync::Arc;
-pub use url::Url;
-
-pub type Request = isahc::Request<AsyncBody>;
-pub type Response = isahc::Response<AsyncBody>;
-
-pub trait HttpClient: Send + Sync {
-    fn send(&self, req: Request) -> BoxFuture<Result<Response, Error>>;
-
-    fn get<'a>(
-        &'a self,
-        uri: &str,
-        body: AsyncBody,
-        follow_redirects: bool,
-    ) -> BoxFuture<'a, Result<Response, Error>> {
-        let request = isahc::Request::builder()
-            .redirect_policy(if follow_redirects {
-                RedirectPolicy::Follow
-            } else {
-                RedirectPolicy::None
-            })
-            .method(Method::GET)
-            .uri(uri)
-            .body(body);
-        match request {
-            Ok(request) => self.send(request),
-            Err(error) => async move { Err(error.into()) }.boxed(),
-        }
-    }
-}
-
-pub fn client() -> Arc<dyn HttpClient> {
-    Arc::new(isahc::HttpClient::builder().build().unwrap())
-}
-
-impl HttpClient for isahc::HttpClient {
-    fn send(&self, req: Request) -> BoxFuture<Result<Response, Error>> {
-        Box::pin(async move { self.send_async(req).await })
-    }
-}

crates/client/src/telemetry.rs

@@ -1,16 +1,14 @@
-use crate::http::HttpClient;
-use db::Db;
+use db::kvp::KEY_VALUE_STORE;
 use gpui::{
     executor::Background,
     serde_json::{self, value::Map, Value},
     AppContext, Task,
 };
-use isahc::Request;
 use lazy_static::lazy_static;
 use parking_lot::Mutex;
 use serde::Serialize;
 use serde_json::json;
-use settings::ReleaseChannel;
+use settings::TelemetrySettings;
 use std::{
     io::Write,
     mem,
@@ -19,7 +17,8 @@ use std::{
     time::{Duration, SystemTime, UNIX_EPOCH},
 };
 use tempfile::NamedTempFile;
-use util::{post_inc, ResultExt, TryFutureExt};
+use util::http::HttpClient;
+use util::{channel::ReleaseChannel, post_inc, ResultExt, TryFutureExt};
 use uuid::Uuid;
 
 pub struct Telemetry {
@@ -32,7 +31,6 @@ pub struct Telemetry {
 struct TelemetryState {
     metrics_id: Option<Arc<str>>,
     device_id: Option<Arc<str>>,
-    app: &'static str,
     app_version: Option<Arc<str>>,
     release_channel: Option<&'static str>,
     os_version: Option<Arc<str>>,
@@ -41,6 +39,7 @@ struct TelemetryState {
     next_event_id: usize,
     flush_task: Option<Task<()>>,
     log_file: Option<NamedTempFile>,
+    is_staff: Option<bool>,
 }
 
 const MIXPANEL_EVENTS_URL: &'static str = "https://api.mixpanel.com/track";
@@ -80,8 +79,6 @@ struct MixpanelEventProperties {
     app_version: Option<Arc<str>>,
     #[serde(rename = "Signed In")]
     signed_in: bool,
-    #[serde(rename = "App")]
-    app: &'static str,
 }
 
 #[derive(Serialize)]
@@ -110,7 +107,7 @@ impl Telemetry {
     pub fn new(client: Arc<dyn HttpClient>, cx: &AppContext) -> Arc<Self> {
         let platform = cx.platform();
         let release_channel = if cx.has_global::<ReleaseChannel>() {
-            Some(cx.global::<ReleaseChannel>().name())
+            Some(cx.global::<ReleaseChannel>().display_name())
         } else {
             None
         };
@@ -120,7 +117,6 @@ impl Telemetry {
             state: Mutex::new(TelemetryState {
                 os_version: platform.os_version().ok().map(|v| v.to_string().into()),
                 os_name: platform.os_name().into(),
-                app: "Zed",
                 app_version: platform.app_version().ok().map(|v| v.to_string().into()),
                 release_channel,
                 device_id: None,
@@ -129,6 +125,7 @@ impl Telemetry {
                 flush_task: Default::default(),
                 next_event_id: 0,
                 log_file: None,
+                is_staff: None,
             }),
         });
 
@@ -152,18 +149,21 @@ impl Telemetry {
         Some(self.state.lock().log_file.as_ref()?.path().to_path_buf())
     }
 
-    pub fn start(self: &Arc<Self>, db: Db) {
+    pub fn start(self: &Arc<Self>) {
         let this = self.clone();
         self.executor
             .spawn(
                 async move {
-                    let device_id = if let Ok(Some(device_id)) = db.read_kvp("device_id") {
-                        device_id
-                    } else {
-                        let device_id = Uuid::new_v4().to_string();
-                        db.write_kvp("device_id", &device_id)?;
-                        device_id
-                    };
+                    let device_id =
+                        if let Ok(Some(device_id)) = KEY_VALUE_STORE.read_kvp("device_id") {
+                            device_id
+                        } else {
+                            let device_id = Uuid::new_v4().to_string();
+                            KEY_VALUE_STORE
+                                .write_kvp("device_id".to_string(), device_id.clone())
+                                .await?;
+                            device_id
+                        };
 
                     let device_id: Arc<str> = device_id.into();
                     let mut state = this.state.lock();
@@ -186,16 +186,24 @@ impl Telemetry {
             .detach();
     }
 
+    /// This method takes the entire TelemetrySettings struct in order to force client code
+    /// to pull the struct out of the settings global. Do not remove!
     pub fn set_authenticated_user_info(
         self: &Arc<Self>,
         metrics_id: Option<String>,
         is_staff: bool,
+        telemetry_settings: TelemetrySettings,
     ) {
+        if !telemetry_settings.metrics() {
+            return;
+        }
+
         let this = self.clone();
         let mut state = self.state.lock();
         let device_id = state.device_id.clone();
         let metrics_id: Option<Arc<str>> = metrics_id.map(|id| id.into());
         state.metrics_id = metrics_id.clone();
+        state.is_staff = Some(is_staff);
         drop(state);
 
         if let Some((token, device_id)) = MIXPANEL_TOKEN.as_ref().zip(device_id) {
@@ -205,13 +213,17 @@ impl Telemetry {
                         let json_bytes = serde_json::to_vec(&[MixpanelEngageRequest {
                             token,
                             distinct_id: device_id,
-                            set: json!({ "Staff": is_staff, "ID": metrics_id }),
+                            set: json!({
+                                "Staff": is_staff,
+                                "ID": metrics_id,
+                                "App": true
+                            }),
                         }])?;
-                        let request = Request::post(MIXPANEL_ENGAGE_URL)
-                            .header("Content-Type", "application/json")
-                            .body(json_bytes.into())?;
-                        this.http_client.send(request).await?;
-                        Ok(())
+
+                        this.http_client
+                            .post_json(MIXPANEL_ENGAGE_URL, json_bytes.into())
+                            .await?;
+                        anyhow::Ok(())
                     }
                     .log_err(),
                 )
@@ -219,7 +231,16 @@ impl Telemetry {
         }
     }
 
-    pub fn report_event(self: &Arc<Self>, kind: &str, properties: Value) {
+    pub fn report_event(
+        self: &Arc<Self>,
+        kind: &str,
+        properties: Value,
+        telemetry_settings: TelemetrySettings,
+    ) {
+        if !telemetry_settings.metrics() {
+            return;
+        }
+
         let mut state = self.state.lock();
         let event = MixpanelEvent {
             event: kind.to_string(),
@@ -241,7 +262,6 @@ impl Telemetry {
                 release_channel: state.release_channel,
                 app_version: state.app_version.clone(),
                 signed_in: state.metrics_id.is_some(),
-                app: state.app,
             },
         };
         state.queue.push(event);
@@ -260,6 +280,14 @@ impl Telemetry {
         }
     }
 
+    pub fn metrics_id(self: &Arc<Self>) -> Option<Arc<str>> {
+        self.state.lock().metrics_id.clone()
+    }
+
+    pub fn is_staff(self: &Arc<Self>) -> Option<bool> {
+        self.state.lock().is_staff
+    }
+
     fn flush(self: &Arc<Self>) {
         let mut state = self.state.lock();
         let mut events = mem::take(&mut state.queue);
@@ -287,11 +315,10 @@ impl Telemetry {
 
                         json_bytes.clear();
                         serde_json::to_writer(&mut json_bytes, &events)?;
-                        let request = Request::post(MIXPANEL_EVENTS_URL)
-                            .header("Content-Type", "application/json")
-                            .body(json_bytes.into())?;
-                        this.http_client.send(request).await?;
-                        Ok(())
+                        this.http_client
+                            .post_json(MIXPANEL_EVENTS_URL, json_bytes.into())
+                            .await?;
+                        anyhow::Ok(())
                     }
                     .log_err(),
                 )

crates/client/src/test.rs

@@ -1,16 +1,14 @@
-use crate::{
-    http::{self, HttpClient, Request, Response},
-    Client, Connection, Credentials, EstablishConnectionError, UserStore,
-};
+use crate::{Client, Connection, Credentials, EstablishConnectionError, UserStore};
 use anyhow::{anyhow, Result};
-use futures::{future::BoxFuture, stream::BoxStream, Future, StreamExt};
+use futures::{stream::BoxStream, StreamExt};
 use gpui::{executor, ModelHandle, TestAppContext};
 use parking_lot::Mutex;
 use rpc::{
     proto::{self, GetPrivateUserInfo, GetPrivateUserInfoResponse},
     ConnectionId, Peer, Receipt, TypedEnvelope,
 };
-use std::{fmt, rc::Rc, sync::Arc};
+use std::{rc::Rc, sync::Arc};
+use util::http::FakeHttpClient;
 
 pub struct FakeServer {
     peer: Arc<Peer>,
@@ -35,7 +33,7 @@ impl FakeServer {
         cx: &TestAppContext,
     ) -> Self {
         let server = Self {
-            peer: Peer::new(),
+            peer: Peer::new(0),
             state: Default::default(),
             user_id: client_user_id,
             executor: cx.foreground(),
@@ -92,7 +90,7 @@ impl FakeServer {
                         peer.send(
                             connection_id,
                             proto::Hello {
-                                peer_id: connection_id.0,
+                                peer_id: Some(connection_id.into()),
                             },
                         )
                         .unwrap();
@@ -219,46 +217,3 @@ impl Drop for FakeServer {
         self.disconnect();
     }
 }
-
-pub struct FakeHttpClient {
-    handler: Box<
-        dyn 'static
-            + Send
-            + Sync
-            + Fn(Request) -> BoxFuture<'static, Result<Response, http::Error>>,
-    >,
-}
-
-impl FakeHttpClient {
-    pub fn create<Fut, F>(handler: F) -> Arc<dyn HttpClient>
-    where
-        Fut: 'static + Send + Future<Output = Result<Response, http::Error>>,
-        F: 'static + Send + Sync + Fn(Request) -> Fut,
-    {
-        Arc::new(Self {
-            handler: Box::new(move |req| Box::pin(handler(req))),
-        })
-    }
-
-    pub fn with_404_response() -> Arc<dyn HttpClient> {
-        Self::create(|_| async move {
-            Ok(isahc::Response::builder()
-                .status(404)
-                .body(Default::default())
-                .unwrap())
-        })
-    }
-}
-
-impl fmt::Debug for FakeHttpClient {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("FakeHttpClient").finish()
-    }
-}
-
-impl HttpClient for FakeHttpClient {
-    fn send(&self, req: Request) -> BoxFuture<Result<Response, crate::http::Error>> {
-        let future = (self.handler)(req);
-        Box::pin(async move { future.await.map(Into::into) })
-    }
-}

crates/client/src/user.rs

@@ -1,12 +1,14 @@
-use super::{http::HttpClient, proto, Client, Status, TypedEnvelope};
+use super::{proto, Client, Status, TypedEnvelope};
 use anyhow::{anyhow, Context, Result};
 use collections::{hash_map::Entry, HashMap, HashSet};
 use futures::{channel::mpsc, future, AsyncReadExt, Future, StreamExt};
 use gpui::{AsyncAppContext, Entity, ImageData, ModelContext, ModelHandle, Task};
 use postage::{sink::Sink, watch};
 use rpc::proto::{RequestMessage, UsersResponse};
+use settings::Settings;
 use std::sync::{Arc, Weak};
-use util::TryFutureExt as _;
+use util::http::HttpClient;
+use util::{StaffMode, TryFutureExt as _};
 
 #[derive(Default, Debug)]
 pub struct User {
@@ -141,16 +143,25 @@ impl UserStore {
                                 let fetch_metrics_id =
                                     client.request(proto::GetPrivateUserInfo {}).log_err();
                                 let (user, info) = futures::join!(fetch_user, fetch_metrics_id);
-                                if let Some(info) = info {
-                                    client.telemetry.set_authenticated_user_info(
-                                        Some(info.metrics_id.clone()),
-                                        info.staff,
-                                    );
-                                } else {
-                                    client.telemetry.set_authenticated_user_info(None, false);
-                                }
+                                client.telemetry.set_authenticated_user_info(
+                                    info.as_ref().map(|info| info.metrics_id.clone()),
+                                    info.as_ref().map(|info| info.staff).unwrap_or(false),
+                                    cx.read(|cx| cx.global::<Settings>().telemetry()),
+                                );
+
+                                cx.update(|cx| {
+                                    cx.update_default_global(|staff_mode: &mut StaffMode, _| {
+                                        if !staff_mode.0 {
+                                            *staff_mode = StaffMode(
+                                                info.as_ref()
+                                                    .map(|info| info.staff)
+                                                    .unwrap_or_default(),
+                                            )
+                                        }
+                                        ()
+                                    });
+                                });
 
-                                client.telemetry.report_event("sign in", Default::default());
                                 current_user_tx.send(user).await.ok();
                             }
                         }
@@ -173,6 +184,11 @@ impl UserStore {
         }
     }
 
+    #[cfg(feature = "test-support")]
+    pub fn clear_cache(&mut self) {
+        self.users.clear();
+    }
+
     async fn handle_update_invite_info(
         this: ModelHandle<Self>,
         message: TypedEnvelope<proto::UpdateInviteInfo>,

crates/clock/Cargo.toml

@@ -2,6 +2,7 @@
 name = "clock"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/clock.rs"

crates/collab/.env.toml

@@ -1,7 +1,9 @@
 DATABASE_URL = "postgres://postgres@localhost/zed"
+DATABASE_MAX_CONNECTIONS = 5
 HTTP_PORT = 8080
 API_TOKEN = "secret"
 INVITE_LINK_PREFIX = "http://localhost:3000/invites/"
+ZED_ENVIRONMENT = "development"
 LIVE_KIT_SERVER = "http://localhost:7880"
 LIVE_KIT_KEY = "devkey"
 LIVE_KIT_SECRET = "secret"

crates/collab/Cargo.toml

@@ -3,7 +3,8 @@ authors = ["Nathan Sobo <nathan@zed.dev>"]
 default-run = "collab"
 edition = "2021"
 name = "collab"
-version = "0.2.2"
+version = "0.8.2"
+publish = false
 
 [[bin]]
 name = "collab"
@@ -19,26 +20,32 @@ rpc = { path = "../rpc" }
 util = { path = "../util" }
 
 anyhow = "1.0.40"
-async-trait = "0.1.50"
 async-tungstenite = "0.16"
 axum = { version = "0.5", features = ["json", "headers", "ws"] }
 axum-extra = { version = "0.3", features = ["erased-json"] }
 base64 = "0.13"
 clap = { version = "3.1", features = ["derive"], optional = true }
+dashmap = "5.4"
 envy = "0.4.2"
 futures = "0.3"
 hyper = "0.14"
 lazy_static = "1.4"
 lipsum = { version = "0.8", optional = true }
+log = { version = "0.4.16", features = ["kv_unstable_serde"] }
 nanoid = "0.4"
 parking_lot = "0.11.1"
 prometheus = "0.13"
 rand = "0.8"
 reqwest = { version = "0.11", features = ["json"], optional = true }
 scrypt = "0.7"
-serde = { version = "1.0", features = ["derive", "rc"] }
-serde_json = "1.0"
+# Remove fork dependency when a version with https://github.com/SeaQL/sea-orm/pull/1283 is released.
+sea-orm = { git = "https://github.com/zed-industries/sea-orm", rev = "18f4c691085712ad014a51792af75a9044bacee6", features = ["sqlx-postgres", "postgres-array", "runtime-tokio-rustls"] }
+sea-query = "0.27"
+serde = { workspace = true }
+serde_derive = { workspace = true }
+serde_json = { workspace = true }
 sha-1 = "0.9"
+sqlx = { version = "0.6", features = ["runtime-tokio-rustls", "postgres", "json", "time", "uuid", "any"] }
 time = { version = "0.3", features = ["serde", "serde-well-known"] }
 tokio = { version = "1", features = ["full"] }
 tokio-tungstenite = "0.17"
@@ -49,10 +56,6 @@ tracing = "0.1.34"
 tracing-log = "0.1.3"
 tracing-subscriber = { version = "0.3.11", features = ["env-filter", "json"] }
 
-[dependencies.sqlx]
-version = "0.6"
-features = ["runtime-tokio-rustls", "postgres", "time", "uuid"]
-
 [dev-dependencies]
 collections = { path = "../collections", features = ["test-support"] }
 gpui = { path = "../gpui", features = ["test-support"] }
@@ -64,6 +67,7 @@ fs = { path = "../fs", features = ["test-support"] }
 git = { path = "../git", features = ["test-support"] }
 live_kit_client = { path = "../live_kit_client", features = ["test-support"] }
 lsp = { path = "../lsp", features = ["test-support"] }
+pretty_assertions = "1.3.0"
 project = { path = "../project", features = ["test-support"] }
 rpc = { path = "../rpc", features = ["test-support"] }
 settings = { path = "../settings", features = ["test-support"] }
@@ -72,10 +76,11 @@ workspace = { path = "../workspace", features = ["test-support"] }
 
 ctor = "0.1"
 env_logger = "0.9"
-log = { version = "0.4.16", features = ["kv_unstable_serde"] }
 util = { path = "../util" }
 lazy_static = "1.4"
-serde_json = { version = "1.0", features = ["preserve_order"] }
+sea-orm = { git = "https://github.com/zed-industries/sea-orm", rev = "18f4c691085712ad014a51792af75a9044bacee6", features = ["sqlx-sqlite"] }
+serde_json = { workspace = true }
+sqlx = { version = "0.6", features = ["sqlite"] }
 unindent = "0.1"
 
 [features]

crates/collab/k8s/environments/preview.sh

@@ -1,3 +1,4 @@
 ZED_ENVIRONMENT=preview
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://zed.dev/invites/
+DATABASE_MAX_CONNECTIONS=10

crates/collab/k8s/environments/production.sh

@@ -1,3 +1,4 @@
 ZED_ENVIRONMENT=production
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://zed.dev/invites/
+DATABASE_MAX_CONNECTIONS=85

crates/collab/k8s/environments/staging.sh

@@ -1,3 +1,4 @@
 ZED_ENVIRONMENT=staging
 RUST_LOG=info
 INVITE_LINK_PREFIX=https://staging.zed.dev/invites/
+DATABASE_MAX_CONNECTIONS=5

crates/collab/k8s/manifest.template.yml

@@ -59,6 +59,19 @@ spec:
           ports:
             - containerPort: 8080
               protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            timeoutSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 8080
+            initialDelaySeconds: 1
+            periodSeconds: 1
           env:
             - name: HTTP_PORT
               value: "8080"
@@ -67,6 +80,8 @@ spec:
                 secretKeyRef:
                   name: database
                   key: url
+            - name: DATABASE_MAX_CONNECTIONS
+              value: "${DATABASE_MAX_CONNECTIONS}"
             - name: API_TOKEN
               valueFrom:
                 secretKeyRef:
@@ -93,6 +108,8 @@ spec:
               value: ${RUST_LOG}
             - name: LOG_JSON
               value: "true"
+            - name: ZED_ENVIRONMENT
+              value: ${ZED_ENVIRONMENT}
           securityContext:
             capabilities:
               # FIXME - Switch to the more restrictive `PERFMON` capability.

crates/collab/migrations.sqlite/20221109000000_test_schema.sql

@@ -0,0 +1,159 @@
+CREATE TABLE "users" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "github_login" VARCHAR,
+    "admin" BOOLEAN,
+    "email_address" VARCHAR(255) DEFAULT NULL,
+    "invite_code" VARCHAR(64),
+    "invite_count" INTEGER NOT NULL DEFAULT 0,
+    "inviter_id" INTEGER REFERENCES users (id),
+    "connected_once" BOOLEAN NOT NULL DEFAULT false,
+    "created_at" TIMESTAMP NOT NULL DEFAULT now,
+    "metrics_id" TEXT,
+    "github_user_id" INTEGER
+);
+CREATE UNIQUE INDEX "index_users_github_login" ON "users" ("github_login");
+CREATE UNIQUE INDEX "index_invite_code_users" ON "users" ("invite_code");
+CREATE INDEX "index_users_on_email_address" ON "users" ("email_address");
+CREATE INDEX "index_users_on_github_user_id" ON "users" ("github_user_id");
+
+CREATE TABLE "access_tokens" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "user_id" INTEGER REFERENCES users (id),
+    "hash" VARCHAR(128)
+);
+CREATE INDEX "index_access_tokens_user_id" ON "access_tokens" ("user_id");
+
+CREATE TABLE "contacts" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "user_id_a" INTEGER REFERENCES users (id) NOT NULL,
+    "user_id_b" INTEGER REFERENCES users (id) NOT NULL,
+    "a_to_b" BOOLEAN NOT NULL,
+    "should_notify" BOOLEAN NOT NULL,
+    "accepted" BOOLEAN NOT NULL
+);
+CREATE UNIQUE INDEX "index_contacts_user_ids" ON "contacts" ("user_id_a", "user_id_b");
+CREATE INDEX "index_contacts_user_id_b" ON "contacts" ("user_id_b");
+
+CREATE TABLE "rooms" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "live_kit_room" VARCHAR NOT NULL
+);
+
+CREATE TABLE "projects" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "room_id" INTEGER REFERENCES rooms (id) NOT NULL,
+    "host_user_id" INTEGER REFERENCES users (id) NOT NULL,
+    "host_connection_id" INTEGER,
+    "host_connection_server_id" INTEGER REFERENCES servers (id) ON DELETE CASCADE,
+    "unregistered" BOOLEAN NOT NULL DEFAULT FALSE
+);
+CREATE INDEX "index_projects_on_host_connection_server_id" ON "projects" ("host_connection_server_id");
+CREATE INDEX "index_projects_on_host_connection_id_and_host_connection_server_id" ON "projects" ("host_connection_id", "host_connection_server_id");
+
+CREATE TABLE "worktrees" (
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "id" INTEGER NOT NULL,
+    "root_name" VARCHAR NOT NULL,
+    "abs_path" VARCHAR NOT NULL,
+    "visible" BOOL NOT NULL,
+    "scan_id" INTEGER NOT NULL,
+    "is_complete" BOOL NOT NULL DEFAULT FALSE,
+    "completed_scan_id" INTEGER NOT NULL,
+    PRIMARY KEY(project_id, id)
+);
+CREATE INDEX "index_worktrees_on_project_id" ON "worktrees" ("project_id");
+
+CREATE TABLE "worktree_entries" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INTEGER NOT NULL,
+    "scan_id" INTEGER NOT NULL,
+    "id" INTEGER NOT NULL,
+    "is_dir" BOOL NOT NULL,
+    "path" VARCHAR NOT NULL,
+    "inode" INTEGER NOT NULL,
+    "mtime_seconds" INTEGER NOT NULL,
+    "mtime_nanos" INTEGER NOT NULL,
+    "is_symlink" BOOL NOT NULL,
+    "is_ignored" BOOL NOT NULL,
+    "is_deleted" BOOL NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, id),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_worktree_entries_on_project_id" ON "worktree_entries" ("project_id");
+CREATE INDEX "index_worktree_entries_on_project_id_and_worktree_id" ON "worktree_entries" ("project_id", "worktree_id");
+
+CREATE TABLE "worktree_diagnostic_summaries" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INTEGER NOT NULL,
+    "path" VARCHAR NOT NULL,
+    "language_server_id" INTEGER NOT NULL,
+    "error_count" INTEGER NOT NULL,
+    "warning_count" INTEGER NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, path),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_worktree_diagnostic_summaries_on_project_id" ON "worktree_diagnostic_summaries" ("project_id");
+CREATE INDEX "index_worktree_diagnostic_summaries_on_project_id_and_worktree_id" ON "worktree_diagnostic_summaries" ("project_id", "worktree_id");
+
+CREATE TABLE "language_servers" (
+    "id" INTEGER NOT NULL,
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "name" VARCHAR NOT NULL,
+    PRIMARY KEY(project_id, id)
+);
+CREATE INDEX "index_language_servers_on_project_id" ON "language_servers" ("project_id");
+
+CREATE TABLE "project_collaborators" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "connection_id" INTEGER NOT NULL,
+    "connection_server_id" INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE,
+    "user_id" INTEGER NOT NULL,
+    "replica_id" INTEGER NOT NULL,
+    "is_host" BOOLEAN NOT NULL
+);
+CREATE INDEX "index_project_collaborators_on_project_id" ON "project_collaborators" ("project_id");
+CREATE UNIQUE INDEX "index_project_collaborators_on_project_id_and_replica_id" ON "project_collaborators" ("project_id", "replica_id");
+CREATE INDEX "index_project_collaborators_on_connection_server_id" ON "project_collaborators" ("connection_server_id");
+CREATE INDEX "index_project_collaborators_on_connection_id" ON "project_collaborators" ("connection_id");
+CREATE UNIQUE INDEX "index_project_collaborators_on_project_id_connection_id_and_server_id" ON "project_collaborators" ("project_id", "connection_id", "connection_server_id");
+
+CREATE TABLE "room_participants" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "room_id" INTEGER NOT NULL REFERENCES rooms (id),
+    "user_id" INTEGER NOT NULL REFERENCES users (id),
+    "answering_connection_id" INTEGER,
+    "answering_connection_server_id" INTEGER REFERENCES servers (id) ON DELETE CASCADE,
+    "answering_connection_lost" BOOLEAN NOT NULL,
+    "location_kind" INTEGER,
+    "location_project_id" INTEGER,
+    "initial_project_id" INTEGER,
+    "calling_user_id" INTEGER NOT NULL REFERENCES users (id),
+    "calling_connection_id" INTEGER NOT NULL,
+    "calling_connection_server_id" INTEGER REFERENCES servers (id) ON DELETE SET NULL
+);
+CREATE UNIQUE INDEX "index_room_participants_on_user_id" ON "room_participants" ("user_id");
+CREATE INDEX "index_room_participants_on_room_id" ON "room_participants" ("room_id");
+CREATE INDEX "index_room_participants_on_answering_connection_server_id" ON "room_participants" ("answering_connection_server_id");
+CREATE INDEX "index_room_participants_on_calling_connection_server_id" ON "room_participants" ("calling_connection_server_id");
+CREATE INDEX "index_room_participants_on_answering_connection_id" ON "room_participants" ("answering_connection_id");
+CREATE UNIQUE INDEX "index_room_participants_on_answering_connection_id_and_answering_connection_server_id" ON "room_participants" ("answering_connection_id", "answering_connection_server_id");
+
+CREATE TABLE "servers" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "environment" VARCHAR NOT NULL
+);
+
+CREATE TABLE "followers" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT,
+    "room_id" INTEGER NOT NULL REFERENCES rooms (id) ON DELETE CASCADE,
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "leader_connection_server_id" INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE,
+    "leader_connection_id" INTEGER NOT NULL,
+    "follower_connection_server_id" INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE,
+    "follower_connection_id" INTEGER NOT NULL
+);
+CREATE UNIQUE INDEX 
+    "index_followers_on_project_id_and_leader_connection_server_id_and_leader_connection_id_and_follower_connection_server_id_and_follower_connection_id"
+ON "followers" ("project_id", "leader_connection_server_id", "leader_connection_id", "follower_connection_server_id", "follower_connection_id");
+CREATE INDEX "index_followers_on_room_id" ON "followers" ("room_id");

crates/collab/migrations/20221111092550_reconnection_support.sql

@@ -0,0 +1,90 @@
+CREATE TABLE IF NOT EXISTS "rooms" (
+    "id" SERIAL PRIMARY KEY,
+    "live_kit_room" VARCHAR NOT NULL
+);
+
+ALTER TABLE "projects"
+    ADD "room_id" INTEGER REFERENCES rooms (id),
+    ADD "host_connection_id" INTEGER,
+    ADD "host_connection_epoch" UUID;
+CREATE INDEX "index_projects_on_host_connection_epoch" ON "projects" ("host_connection_epoch");
+
+CREATE TABLE "worktrees" (
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "id" INT8 NOT NULL,
+    "root_name" VARCHAR NOT NULL,
+    "abs_path" VARCHAR NOT NULL,
+    "visible" BOOL NOT NULL,
+    "scan_id" INT8 NOT NULL,
+    "is_complete" BOOL NOT NULL,
+    PRIMARY KEY(project_id, id)
+);
+CREATE INDEX "index_worktrees_on_project_id" ON "worktrees" ("project_id");
+
+CREATE TABLE "worktree_entries" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INT8 NOT NULL,
+    "id" INT8 NOT NULL,
+    "is_dir" BOOL NOT NULL,
+    "path" VARCHAR NOT NULL,
+    "inode" INT8 NOT NULL,
+    "mtime_seconds" INT8 NOT NULL,
+    "mtime_nanos" INTEGER NOT NULL,
+    "is_symlink" BOOL NOT NULL,
+    "is_ignored" BOOL NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, id),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_worktree_entries_on_project_id" ON "worktree_entries" ("project_id");
+CREATE INDEX "index_worktree_entries_on_project_id_and_worktree_id" ON "worktree_entries" ("project_id", "worktree_id");
+
+CREATE TABLE "worktree_diagnostic_summaries" (
+    "project_id" INTEGER NOT NULL,
+    "worktree_id" INT8 NOT NULL,
+    "path" VARCHAR NOT NULL,
+    "language_server_id" INT8 NOT NULL,
+    "error_count" INTEGER NOT NULL,
+    "warning_count" INTEGER NOT NULL,
+    PRIMARY KEY(project_id, worktree_id, path),
+    FOREIGN KEY(project_id, worktree_id) REFERENCES worktrees (project_id, id) ON DELETE CASCADE
+);
+CREATE INDEX "index_worktree_diagnostic_summaries_on_project_id" ON "worktree_diagnostic_summaries" ("project_id");
+CREATE INDEX "index_worktree_diagnostic_summaries_on_project_id_and_worktree_id" ON "worktree_diagnostic_summaries" ("project_id", "worktree_id");
+
+CREATE TABLE "language_servers" (
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "id" INT8 NOT NULL,
+    "name" VARCHAR NOT NULL,
+    PRIMARY KEY(project_id, id)
+);
+CREATE INDEX "index_language_servers_on_project_id" ON "language_servers" ("project_id");
+
+CREATE TABLE "project_collaborators" (
+    "id" SERIAL PRIMARY KEY,
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "connection_id" INTEGER NOT NULL,
+    "connection_epoch" UUID NOT NULL,
+    "user_id" INTEGER NOT NULL,
+    "replica_id" INTEGER NOT NULL,
+    "is_host" BOOLEAN NOT NULL
+);
+CREATE INDEX "index_project_collaborators_on_project_id" ON "project_collaborators" ("project_id");
+CREATE UNIQUE INDEX "index_project_collaborators_on_project_id_and_replica_id" ON "project_collaborators" ("project_id", "replica_id");
+CREATE INDEX "index_project_collaborators_on_connection_epoch" ON "project_collaborators" ("connection_epoch");
+
+CREATE TABLE "room_participants" (
+    "id" SERIAL PRIMARY KEY,
+    "room_id" INTEGER NOT NULL REFERENCES rooms (id),
+    "user_id" INTEGER NOT NULL REFERENCES users (id),
+    "answering_connection_id" INTEGER,
+    "answering_connection_epoch" UUID,
+    "location_kind" INTEGER,
+    "location_project_id" INTEGER,
+    "initial_project_id" INTEGER,
+    "calling_user_id" INTEGER NOT NULL REFERENCES users (id),
+    "calling_connection_id" INTEGER NOT NULL,
+    "calling_connection_epoch" UUID NOT NULL
+);
+CREATE UNIQUE INDEX "index_room_participants_on_user_id" ON "room_participants" ("user_id");
+CREATE INDEX "index_room_participants_on_answering_connection_epoch" ON "room_participants" ("answering_connection_epoch");
+CREATE INDEX "index_room_participants_on_calling_connection_epoch" ON "room_participants" ("calling_connection_epoch");

crates/collab/migrations/20221125192125_add_added_to_mailing_list_to_signups.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "signups"
+    ADD "added_to_mailing_list" BOOLEAN NOT NULL DEFAULT FALSE;

crates/collab/migrations/20221207165001_add_connection_lost_to_room_participants.sql

@@ -0,0 +1,7 @@
+ALTER TABLE "room_participants"
+    ADD "answering_connection_lost" BOOLEAN NOT NULL DEFAULT FALSE;
+
+CREATE INDEX "index_project_collaborators_on_connection_id" ON "project_collaborators" ("connection_id");
+CREATE UNIQUE INDEX "index_project_collaborators_on_project_id_connection_id_and_epoch" ON "project_collaborators" ("project_id", "connection_id", "connection_epoch");
+CREATE INDEX "index_room_participants_on_answering_connection_id" ON "room_participants" ("answering_connection_id");
+CREATE UNIQUE INDEX "index_room_participants_on_answering_connection_id_and_answering_connection_epoch" ON "room_participants" ("answering_connection_id", "answering_connection_epoch");

crates/collab/migrations/20221213125710_index_room_participants_on_room_id.sql

@@ -0,0 +1 @@
+CREATE INDEX "index_room_participants_on_room_id" ON "room_participants" ("room_id");

crates/collab/migrations/20221214144346_change_epoch_from_uuid_to_integer.sql

@@ -0,0 +1,30 @@
+CREATE TABLE servers (
+    id SERIAL PRIMARY KEY,
+    environment VARCHAR NOT NULL
+);
+
+DROP TABLE worktree_extensions;
+DROP TABLE project_activity_periods;
+DELETE from projects;
+ALTER TABLE projects
+    DROP COLUMN host_connection_epoch,
+    ADD COLUMN host_connection_server_id INTEGER REFERENCES servers (id) ON DELETE CASCADE;
+CREATE INDEX "index_projects_on_host_connection_server_id" ON "projects" ("host_connection_server_id");
+CREATE INDEX "index_projects_on_host_connection_id_and_host_connection_server_id" ON "projects" ("host_connection_id", "host_connection_server_id");
+
+DELETE FROM project_collaborators;
+ALTER TABLE project_collaborators
+    DROP COLUMN connection_epoch,
+    ADD COLUMN connection_server_id INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE;
+CREATE INDEX "index_project_collaborators_on_connection_server_id" ON "project_collaborators" ("connection_server_id");
+CREATE UNIQUE INDEX "index_project_collaborators_on_project_id_connection_id_and_server_id" ON "project_collaborators" ("project_id", "connection_id", "connection_server_id");
+
+DELETE FROM room_participants;
+ALTER TABLE room_participants
+    DROP COLUMN answering_connection_epoch,
+    DROP COLUMN calling_connection_epoch,
+    ADD COLUMN answering_connection_server_id INTEGER REFERENCES servers (id) ON DELETE CASCADE,
+    ADD COLUMN calling_connection_server_id INTEGER REFERENCES servers (id) ON DELETE SET NULL;
+CREATE INDEX "index_room_participants_on_answering_connection_server_id" ON "room_participants" ("answering_connection_server_id");
+CREATE INDEX "index_room_participants_on_calling_connection_server_id" ON "room_participants" ("calling_connection_server_id");
+CREATE UNIQUE INDEX "index_room_participants_on_answering_connection_id_and_answering_connection_server_id" ON "room_participants" ("answering_connection_id", "answering_connection_server_id");

crates/collab/migrations/20221219181850_project_reconnection_support.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "worktree_entries"
+    ADD COLUMN "scan_id" INT8,
+    ADD COLUMN "is_deleted" BOOL;

crates/collab/migrations/20230103200902_replace_is_completed_with_completed_scan_id.sql

@@ -0,0 +1,3 @@
+ALTER TABLE worktrees
+    ALTER COLUMN is_complete SET DEFAULT FALSE,
+    ADD COLUMN completed_scan_id INT8;

crates/collab/migrations/20230202155735_followers.sql

@@ -0,0 +1,15 @@
+CREATE TABLE IF NOT EXISTS "followers" (
+    "id" SERIAL PRIMARY KEY,
+    "room_id" INTEGER NOT NULL REFERENCES rooms (id) ON DELETE CASCADE,
+    "project_id" INTEGER NOT NULL REFERENCES projects (id) ON DELETE CASCADE,
+    "leader_connection_server_id" INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE,
+    "leader_connection_id" INTEGER NOT NULL,
+    "follower_connection_server_id" INTEGER NOT NULL REFERENCES servers (id) ON DELETE CASCADE,
+    "follower_connection_id" INTEGER NOT NULL
+);
+
+CREATE UNIQUE INDEX 
+    "index_followers_on_project_id_and_leader_connection_server_id_and_leader_connection_id_and_follower_connection_server_id_and_follower_connection_id"
+ON "followers" ("project_id", "leader_connection_server_id", "leader_connection_id", "follower_connection_server_id", "follower_connection_id");
+
+CREATE INDEX "index_followers_on_room_id" ON "followers" ("room_id");

crates/collab/src/api.rs

@@ -1,6 +1,6 @@
 use crate::{
     auth,
-    db::{Invite, NewUserParams, ProjectId, Signup, User, UserId, WaitlistSummary},
+    db::{Invite, NewSignup, NewUserParams, User, UserId, WaitlistSummary},
     rpc::{self, ResultExt},
     AppState, Error, Result,
 };
@@ -16,9 +16,7 @@ use axum::{
 };
 use axum_extra::response::ErasedJson;
 use serde::{Deserialize, Serialize};
-use serde_json::json;
-use std::{sync::Arc, time::Duration};
-use time::OffsetDateTime;
+use std::sync::Arc;
 use tower::ServiceBuilder;
 use tracing::instrument;
 
@@ -32,16 +30,6 @@ pub fn routes(rpc_server: Arc<rpc::Server>, state: Arc<AppState>) -> Router<Body
         .route("/invite_codes/:code", get(get_user_for_invite_code))
         .route("/panic", post(trace_panic))
         .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
-        .route(
-            "/user_activity/summary",
-            get(get_top_users_activity_summary),
-        )
-        .route(
-            "/user_activity/timeline/:user_id",
-            get(get_user_activity_timeline),
-        )
-        .route("/user_activity/counts", get(get_active_user_counts))
-        .route("/project_metadata", get(get_project_metadata))
         .route("/signups", post(create_signup))
         .route("/signups_summary", get(get_waitlist_summary))
         .route("/user_invites", post(create_invite_from_code))
@@ -90,6 +78,7 @@ pub async fn validate_api_token<B>(req: Request<B>, next: Next<B>) -> impl IntoR
 struct AuthenticatedUserParams {
     github_user_id: Option<i32>,
     github_login: String,
+    github_email: Option<String>,
 }
 
 #[derive(Debug, Serialize)]
@@ -104,7 +93,11 @@ async fn get_authenticated_user(
 ) -> Result<Json<AuthenticatedUserResponse>> {
     let user = app
         .db
-        .get_user_by_github_account(&params.github_login, params.github_user_id)
+        .get_or_create_user_by_github_account(
+            &params.github_login,
+            params.github_user_id,
+            params.github_email.as_deref(),
+        )
         .await?
         .ok_or_else(|| Error::Http(StatusCode::NOT_FOUND, "user not found".into()))?;
     let metrics_id = app.db.get_user_metrics_id(user.id).await?;
@@ -216,7 +209,7 @@ async fn create_user(
 #[derive(Deserialize)]
 struct UpdateUserParams {
     admin: Option<bool>,
-    invite_count: Option<u32>,
+    invite_count: Option<i32>,
 }
 
 async fn update_user(
@@ -283,93 +276,6 @@ async fn get_rpc_server_snapshot(
     Ok(ErasedJson::pretty(rpc_server.snapshot().await))
 }
 
-#[derive(Deserialize)]
-struct TimePeriodParams {
-    #[serde(with = "time::serde::iso8601")]
-    start: OffsetDateTime,
-    #[serde(with = "time::serde::iso8601")]
-    end: OffsetDateTime,
-}
-
-async fn get_top_users_activity_summary(
-    Query(params): Query<TimePeriodParams>,
-    Extension(app): Extension<Arc<AppState>>,
-) -> Result<ErasedJson> {
-    let summary = app
-        .db
-        .get_top_users_activity_summary(params.start..params.end, 100)
-        .await?;
-    Ok(ErasedJson::pretty(summary))
-}
-
-async fn get_user_activity_timeline(
-    Path(user_id): Path<i32>,
-    Query(params): Query<TimePeriodParams>,
-    Extension(app): Extension<Arc<AppState>>,
-) -> Result<ErasedJson> {
-    let summary = app
-        .db
-        .get_user_activity_timeline(params.start..params.end, UserId(user_id))
-        .await?;
-    Ok(ErasedJson::pretty(summary))
-}
-
-#[derive(Deserialize)]
-struct ActiveUserCountParams {
-    #[serde(flatten)]
-    period: TimePeriodParams,
-    durations_in_minutes: String,
-    #[serde(default)]
-    only_collaborative: bool,
-}
-
-#[derive(Serialize)]
-struct ActiveUserSet {
-    active_time_in_minutes: u64,
-    user_count: usize,
-}
-
-async fn get_active_user_counts(
-    Query(params): Query<ActiveUserCountParams>,
-    Extension(app): Extension<Arc<AppState>>,
-) -> Result<ErasedJson> {
-    let durations_in_minutes = params.durations_in_minutes.split(',');
-    let mut user_sets = Vec::new();
-    for duration in durations_in_minutes {
-        let duration = duration
-            .parse()
-            .map_err(|_| anyhow!("invalid duration: {duration}"))?;
-        user_sets.push(ActiveUserSet {
-            active_time_in_minutes: duration,
-            user_count: app
-                .db
-                .get_active_user_count(
-                    params.period.start..params.period.end,
-                    Duration::from_secs(duration * 60),
-                    params.only_collaborative,
-                )
-                .await?,
-        })
-    }
-    Ok(ErasedJson::pretty(user_sets))
-}
-
-#[derive(Deserialize)]
-struct GetProjectMetadataParams {
-    project_id: u64,
-}
-
-async fn get_project_metadata(
-    Query(params): Query<GetProjectMetadataParams>,
-    Extension(app): Extension<Arc<AppState>>,
-) -> Result<ErasedJson> {
-    let extensions = app
-        .db
-        .get_project_extensions(ProjectId::from_proto(params.project_id))
-        .await?;
-    Ok(ErasedJson::pretty(json!({ "extensions": extensions })))
-}
-
 #[derive(Deserialize)]
 struct CreateAccessTokenQueryParams {
     public_key: String,
@@ -396,11 +302,7 @@ async fn create_access_token(
     let mut user_id = user.id;
     if let Some(impersonate) = params.impersonate {
         if user.admin {
-            if let Some(impersonated_user) = app
-                .db
-                .get_user_by_github_account(&impersonate, None)
-                .await?
-            {
+            if let Some(impersonated_user) = app.db.get_user_by_github_login(&impersonate).await? {
                 user_id = impersonated_user.id;
             } else {
                 return Err(Error::Http(
@@ -434,10 +336,10 @@ async fn get_user_for_invite_code(
 }
 
 async fn create_signup(
-    Json(params): Json<Signup>,
+    Json(params): Json<NewSignup>,
     Extension(app): Extension<Arc<AppState>>,
 ) -> Result<()> {
-    app.db.create_signup(params).await?;
+    app.db.create_signup(&params).await?;
     Ok(())
 }
 
@@ -452,6 +354,8 @@ pub struct CreateInviteFromCodeParams {
     invite_code: String,
     email_address: String,
     device_id: Option<String>,
+    #[serde(default)]
+    added_to_mailing_list: bool,
 }
 
 async fn create_invite_from_code(
@@ -464,6 +368,7 @@ async fn create_invite_from_code(
                 &params.invite_code,
                 &params.email_address,
                 params.device_id.as_deref(),
+                params.added_to_mailing_list,
             )
             .await?,
     ))

crates/collab/src/auth.rs

@@ -1,5 +1,5 @@
 use crate::{
-    db::{self, UserId},
+    db::{self, AccessTokenId, Database, UserId},
     AppState, Error, Result,
 };
 use anyhow::{anyhow, Context};
@@ -8,12 +8,24 @@ use axum::{
     middleware::Next,
     response::IntoResponse,
 };
+use lazy_static::lazy_static;
+use prometheus::{exponential_buckets, register_histogram, Histogram};
 use rand::thread_rng;
 use scrypt::{
     password_hash::{PasswordHash, PasswordHasher, PasswordVerifier, SaltString},
     Scrypt,
 };
-use std::sync::Arc;
+use serde::{Deserialize, Serialize};
+use std::{sync::Arc, time::Instant};
+
+lazy_static! {
+    static ref METRIC_ACCESS_TOKEN_HASHING_TIME: Histogram = register_histogram!(
+        "access_token_hashing_time",
+        "time spent hashing access tokens",
+        exponential_buckets(10.0, 2.0, 10).unwrap(),
+    )
+    .unwrap();
+}
 
 pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl IntoResponse {
     let mut auth_header = req
@@ -42,20 +54,14 @@ pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl Into
         )
     })?;
 
-    let mut credentials_valid = false;
     let state = req.extensions().get::<Arc<AppState>>().unwrap();
-    if let Some(admin_token) = access_token.strip_prefix("ADMIN_TOKEN:") {
-        if state.config.api_token == admin_token {
-            credentials_valid = true;
-        }
+    let credentials_valid = if let Some(admin_token) = access_token.strip_prefix("ADMIN_TOKEN:") {
+        state.config.api_token == admin_token
     } else {
-        for password_hash in state.db.get_access_token_hashes(user_id).await? {
-            if verify_access_token(access_token, &password_hash)? {
-                credentials_valid = true;
-                break;
-            }
-        }
-    }
+        verify_access_token(&access_token, user_id, &state.db)
+            .await
+            .unwrap_or(false)
+    };
 
     if credentials_valid {
         let user = state
@@ -75,13 +81,26 @@ pub async fn validate_header<B>(mut req: Request<B>, next: Next<B>) -> impl Into
 
 const MAX_ACCESS_TOKENS_TO_STORE: usize = 8;
 
-pub async fn create_access_token(db: &dyn db::Db, user_id: UserId) -> Result<String> {
+#[derive(Serialize, Deserialize)]
+struct AccessTokenJson {
+    version: usize,
+    id: AccessTokenId,
+    token: String,
+}
+
+pub async fn create_access_token(db: &db::Database, user_id: UserId) -> Result<String> {
+    const VERSION: usize = 1;
     let access_token = rpc::auth::random_token();
     let access_token_hash =
         hash_access_token(&access_token).context("failed to hash access token")?;
-    db.create_access_token_hash(user_id, &access_token_hash, MAX_ACCESS_TOKENS_TO_STORE)
+    let id = db
+        .create_access_token(user_id, &access_token_hash, MAX_ACCESS_TOKENS_TO_STORE)
         .await?;
-    Ok(access_token)
+    Ok(serde_json::to_string(&AccessTokenJson {
+        version: VERSION,
+        id,
+        token: access_token,
+    })?)
 }
 
 fn hash_access_token(token: &str) -> Result<String> {
@@ -89,7 +108,7 @@ fn hash_access_token(token: &str) -> Result<String> {
     let params = if cfg!(debug_assertions) {
         scrypt::Params::new(1, 1, 1).unwrap()
     } else {
-        scrypt::Params::recommended()
+        scrypt::Params::new(14, 8, 1).unwrap()
     };
 
     Ok(Scrypt
@@ -112,7 +131,21 @@ pub fn encrypt_access_token(access_token: &str, public_key: String) -> Result<St
     Ok(encrypted_access_token)
 }
 
-pub fn verify_access_token(token: &str, hash: &str) -> Result<bool> {
-    let hash = PasswordHash::new(hash).map_err(anyhow::Error::new)?;
-    Ok(Scrypt.verify_password(token.as_bytes(), &hash).is_ok())
+pub async fn verify_access_token(token: &str, user_id: UserId, db: &Arc<Database>) -> Result<bool> {
+    let token: AccessTokenJson = serde_json::from_str(&token)?;
+
+    let db_token = db.get_access_token(token.id).await?;
+    if db_token.user_id != user_id {
+        return Err(anyhow!("no such access token"))?;
+    }
+
+    let db_hash = PasswordHash::new(&db_token.hash).map_err(anyhow::Error::new)?;
+    let t0 = Instant::now();
+    let is_valid = Scrypt
+        .verify_password(token.token.as_bytes(), &db_hash)
+        .is_ok();
+    let duration = t0.elapsed();
+    log::info!("hashed access token in {:?}", duration);
+    METRIC_ACCESS_TOKEN_HASHING_TIME.observe(duration.as_millis() as f64);
+    Ok(is_valid)
 }

crates/collab/src/bin/seed.rs

@@ -1,13 +1,7 @@
-use collab::{Error, Result};
-use db::{Db, PostgresDb, UserId};
-use rand::prelude::*;
+use collab::{db, executor::Executor};
+use db::{ConnectOptions, Database};
 use serde::{de::DeserializeOwned, Deserialize};
 use std::fmt::Write;
-use time::{Duration, OffsetDateTime};
-
-#[allow(unused)]
-#[path = "../db.rs"]
-mod db;
 
 #[derive(Debug, Deserialize)]
 struct GitHubUser {
@@ -18,9 +12,8 @@ struct GitHubUser {
 
 #[tokio::main]
 async fn main() {
-    let mut rng = StdRng::from_entropy();
     let database_url = std::env::var("DATABASE_URL").expect("missing DATABASE_URL env var");
-    let db = PostgresDb::new(&database_url, 5)
+    let db = Database::new(ConnectOptions::new(database_url), Executor::Production)
         .await
         .expect("failed to connect to postgres database");
     let github_token = std::env::var("GITHUB_TOKEN").expect("missing GITHUB_TOKEN env var");
@@ -64,16 +57,14 @@ async fn main() {
         }
     }
 
-    let mut zed_user_ids = Vec::<UserId>::new();
     for (github_user, admin) in zed_users {
-        if let Some(user) = db
-            .get_user_by_github_account(&github_user.login, Some(github_user.id))
+        if db
+            .get_user_by_github_login(&github_user.login)
             .await
             .expect("failed to fetch user")
+            .is_none()
         {
-            zed_user_ids.push(user.id);
-        } else if let Some(email) = &github_user.email {
-            zed_user_ids.push(
+            if let Some(email) = &github_user.email {
                 db.create_user(
                     email,
                     admin,
@@ -84,11 +75,8 @@ async fn main() {
                     },
                 )
                 .await
-                .expect("failed to insert user")
-                .user_id,
-            );
-        } else if admin {
-            zed_user_ids.push(
+                .expect("failed to insert user");
+            } else if admin {
                 db.create_user(
                     &format!("{}@zed.dev", github_user.login),
                     admin,
@@ -99,62 +87,10 @@ async fn main() {
                     },
                 )
                 .await
-                .expect("failed to insert user")
-                .user_id,
-            );
+                .expect("failed to insert user");
+            }
         }
     }
-
-    let zed_org_id = if let Some(org) = db
-        .find_org_by_slug("zed")
-        .await
-        .expect("failed to fetch org")
-    {
-        org.id
-    } else {
-        db.create_org("Zed", "zed")
-            .await
-            .expect("failed to insert org")
-    };
-
-    let general_channel_id = if let Some(channel) = db
-        .get_org_channels(zed_org_id)
-        .await
-        .expect("failed to fetch channels")
-        .iter()
-        .find(|c| c.name == "General")
-    {
-        channel.id
-    } else {
-        let channel_id = db
-            .create_org_channel(zed_org_id, "General")
-            .await
-            .expect("failed to insert channel");
-
-        let now = OffsetDateTime::now_utc();
-        let max_seconds = Duration::days(100).as_seconds_f64();
-        let mut timestamps = (0..1000)
-            .map(|_| now - Duration::seconds_f64(rng.gen_range(0_f64..=max_seconds)))
-            .collect::<Vec<_>>();
-        timestamps.sort();
-        for timestamp in timestamps {
-            let sender_id = *zed_user_ids.choose(&mut rng).unwrap();
-            let body = lipsum::lipsum_words(rng.gen_range(1..=50));
-            db.create_channel_message(channel_id, sender_id, &body, timestamp, rng.gen())
-                .await
-                .expect("failed to insert message");
-        }
-        channel_id
-    };
-
-    for user_id in zed_user_ids {
-        db.add_org_member(zed_org_id, user_id, true)
-            .await
-            .expect("failed to insert org membership");
-        db.add_channel_member(general_channel_id, user_id, true)
-            .await
-            .expect("failed to insert channel membership");
-    }
 }
 
 async fn fetch_github<T: DeserializeOwned>(

crates/collab/src/db/access_token.rs

@@ -0,0 +1,29 @@
+use super::{AccessTokenId, UserId};
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "access_tokens")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: AccessTokenId,
+    pub user_id: UserId,
+    pub hash: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::user::Entity",
+        from = "Column::UserId",
+        to = "super::user::Column::Id"
+    )]
+    User,
+}
+
+impl Related<super::user::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::User.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/contact.rs

@@ -0,0 +1,58 @@
+use super::{ContactId, UserId};
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "contacts")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: ContactId,
+    pub user_id_a: UserId,
+    pub user_id_b: UserId,
+    pub a_to_b: bool,
+    pub should_notify: bool,
+    pub accepted: bool,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::room_participant::Entity",
+        from = "Column::UserIdA",
+        to = "super::room_participant::Column::UserId"
+    )]
+    UserARoomParticipant,
+    #[sea_orm(
+        belongs_to = "super::room_participant::Entity",
+        from = "Column::UserIdB",
+        to = "super::room_participant::Column::UserId"
+    )]
+    UserBRoomParticipant,
+}
+
+impl ActiveModelBehavior for ActiveModel {}
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum Contact {
+    Accepted {
+        user_id: UserId,
+        should_notify: bool,
+        busy: bool,
+    },
+    Outgoing {
+        user_id: UserId,
+    },
+    Incoming {
+        user_id: UserId,
+        should_notify: bool,
+    },
+}
+
+impl Contact {
+    pub fn user_id(&self) -> UserId {
+        match self {
+            Contact::Accepted { user_id, .. } => *user_id,
+            Contact::Outgoing { user_id } => *user_id,
+            Contact::Incoming { user_id, .. } => *user_id,
+        }
+    }
+}

crates/collab/src/db/follower.rs

@@ -0,0 +1,51 @@
+use super::{FollowerId, ProjectId, RoomId, ServerId};
+use rpc::ConnectionId;
+use sea_orm::entity::prelude::*;
+use serde::Serialize;
+
+#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel, Serialize)]
+#[sea_orm(table_name = "followers")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: FollowerId,
+    pub room_id: RoomId,
+    pub project_id: ProjectId,
+    pub leader_connection_server_id: ServerId,
+    pub leader_connection_id: i32,
+    pub follower_connection_server_id: ServerId,
+    pub follower_connection_id: i32,
+}
+
+impl Model {
+    pub fn leader_connection(&self) -> ConnectionId {
+        ConnectionId {
+            owner_id: self.leader_connection_server_id.0 as u32,
+            id: self.leader_connection_id as u32,
+        }
+    }
+
+    pub fn follower_connection(&self) -> ConnectionId {
+        ConnectionId {
+            owner_id: self.follower_connection_server_id.0 as u32,
+            id: self.follower_connection_id as u32,
+        }
+    }
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::room::Entity",
+        from = "Column::RoomId",
+        to = "super::room::Column::Id"
+    )]
+    Room,
+}
+
+impl Related<super::room::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Room.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/language_server.rs

@@ -0,0 +1,30 @@
+use super::ProjectId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "language_servers")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub project_id: ProjectId,
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub name: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::project::Entity",
+        from = "Column::ProjectId",
+        to = "super::project::Column::Id"
+    )]
+    Project,
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Project.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/project.rs

@@ -0,0 +1,84 @@
+use super::{ProjectId, Result, RoomId, ServerId, UserId};
+use anyhow::anyhow;
+use rpc::ConnectionId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "projects")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: ProjectId,
+    pub room_id: RoomId,
+    pub host_user_id: UserId,
+    pub host_connection_id: Option<i32>,
+    pub host_connection_server_id: Option<ServerId>,
+}
+
+impl Model {
+    pub fn host_connection(&self) -> Result<ConnectionId> {
+        let host_connection_server_id = self
+            .host_connection_server_id
+            .ok_or_else(|| anyhow!("empty host_connection_server_id"))?;
+        let host_connection_id = self
+            .host_connection_id
+            .ok_or_else(|| anyhow!("empty host_connection_id"))?;
+        Ok(ConnectionId {
+            owner_id: host_connection_server_id.0 as u32,
+            id: host_connection_id as u32,
+        })
+    }
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::user::Entity",
+        from = "Column::HostUserId",
+        to = "super::user::Column::Id"
+    )]
+    HostUser,
+    #[sea_orm(
+        belongs_to = "super::room::Entity",
+        from = "Column::RoomId",
+        to = "super::room::Column::Id"
+    )]
+    Room,
+    #[sea_orm(has_many = "super::worktree::Entity")]
+    Worktrees,
+    #[sea_orm(has_many = "super::project_collaborator::Entity")]
+    Collaborators,
+    #[sea_orm(has_many = "super::language_server::Entity")]
+    LanguageServers,
+}
+
+impl Related<super::user::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::HostUser.def()
+    }
+}
+
+impl Related<super::room::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Room.def()
+    }
+}
+
+impl Related<super::worktree::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Worktrees.def()
+    }
+}
+
+impl Related<super::project_collaborator::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Collaborators.def()
+    }
+}
+
+impl Related<super::language_server::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::LanguageServers.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/project_collaborator.rs

@@ -0,0 +1,43 @@
+use super::{ProjectCollaboratorId, ProjectId, ReplicaId, ServerId, UserId};
+use rpc::ConnectionId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "project_collaborators")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: ProjectCollaboratorId,
+    pub project_id: ProjectId,
+    pub connection_id: i32,
+    pub connection_server_id: ServerId,
+    pub user_id: UserId,
+    pub replica_id: ReplicaId,
+    pub is_host: bool,
+}
+
+impl Model {
+    pub fn connection(&self) -> ConnectionId {
+        ConnectionId {
+            owner_id: self.connection_server_id.0 as u32,
+            id: self.connection_id as u32,
+        }
+    }
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::project::Entity",
+        from = "Column::ProjectId",
+        to = "super::project::Column::Id"
+    )]
+    Project,
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Project.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/room.rs

@@ -0,0 +1,40 @@
+use super::RoomId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "rooms")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: RoomId,
+    pub live_kit_room: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(has_many = "super::room_participant::Entity")]
+    RoomParticipant,
+    #[sea_orm(has_many = "super::project::Entity")]
+    Project,
+    #[sea_orm(has_many = "super::follower::Entity")]
+    Follower,
+}
+
+impl Related<super::room_participant::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::RoomParticipant.def()
+    }
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Project.def()
+    }
+}
+
+impl Related<super::follower::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Follower.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/room_participant.rs

@@ -0,0 +1,50 @@
+use super::{ProjectId, RoomId, RoomParticipantId, ServerId, UserId};
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "room_participants")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: RoomParticipantId,
+    pub room_id: RoomId,
+    pub user_id: UserId,
+    pub answering_connection_id: Option<i32>,
+    pub answering_connection_server_id: Option<ServerId>,
+    pub answering_connection_lost: bool,
+    pub location_kind: Option<i32>,
+    pub location_project_id: Option<ProjectId>,
+    pub initial_project_id: Option<ProjectId>,
+    pub calling_user_id: UserId,
+    pub calling_connection_id: i32,
+    pub calling_connection_server_id: Option<ServerId>,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::user::Entity",
+        from = "Column::UserId",
+        to = "super::user::Column::Id"
+    )]
+    User,
+    #[sea_orm(
+        belongs_to = "super::room::Entity",
+        from = "Column::RoomId",
+        to = "super::room::Column::Id"
+    )]
+    Room,
+}
+
+impl Related<super::user::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::User.def()
+    }
+}
+
+impl Related<super::room::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Room.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/server.rs

@@ -0,0 +1,15 @@
+use super::ServerId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "servers")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: ServerId,
+    pub environment: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/signup.rs

@@ -0,0 +1,57 @@
+use super::{SignupId, UserId};
+use sea_orm::{entity::prelude::*, FromQueryResult};
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "signups")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: SignupId,
+    pub email_address: String,
+    pub email_confirmation_code: String,
+    pub email_confirmation_sent: bool,
+    pub created_at: DateTime,
+    pub device_id: Option<String>,
+    pub user_id: Option<UserId>,
+    pub inviting_user_id: Option<UserId>,
+    pub platform_mac: bool,
+    pub platform_linux: bool,
+    pub platform_windows: bool,
+    pub platform_unknown: bool,
+    pub editor_features: Option<Vec<String>>,
+    pub programming_languages: Option<Vec<String>>,
+    pub added_to_mailing_list: bool,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}
+
+#[derive(Clone, Debug, PartialEq, Eq, FromQueryResult, Serialize, Deserialize)]
+pub struct Invite {
+    pub email_address: String,
+    pub email_confirmation_code: String,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct NewSignup {
+    pub email_address: String,
+    pub platform_mac: bool,
+    pub platform_windows: bool,
+    pub platform_linux: bool,
+    pub editor_features: Vec<String>,
+    pub programming_languages: Vec<String>,
+    pub device_id: Option<String>,
+    pub added_to_mailing_list: bool,
+    pub created_at: Option<DateTime>,
+}
+
+#[derive(Clone, Debug, PartialEq, Deserialize, Serialize, FromQueryResult)]
+pub struct WaitlistSummary {
+    pub count: i64,
+    pub linux_count: i64,
+    pub mac_count: i64,
+    pub windows_count: i64,
+    pub unknown_count: i64,
+}

crates/collab/src/db/user.rs

@@ -0,0 +1,49 @@
+use super::UserId;
+use sea_orm::entity::prelude::*;
+use serde::Serialize;
+
+#[derive(Clone, Debug, Default, PartialEq, Eq, DeriveEntityModel, Serialize)]
+#[sea_orm(table_name = "users")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: UserId,
+    pub github_login: String,
+    pub github_user_id: Option<i32>,
+    pub email_address: Option<String>,
+    pub admin: bool,
+    pub invite_code: Option<String>,
+    pub invite_count: i32,
+    pub inviter_id: Option<UserId>,
+    pub connected_once: bool,
+    pub metrics_id: Uuid,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(has_many = "super::access_token::Entity")]
+    AccessToken,
+    #[sea_orm(has_one = "super::room_participant::Entity")]
+    RoomParticipant,
+    #[sea_orm(has_many = "super::project::Entity")]
+    HostedProjects,
+}
+
+impl Related<super::access_token::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::AccessToken.def()
+    }
+}
+
+impl Related<super::room_participant::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::RoomParticipant.def()
+    }
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::HostedProjects.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/worktree.rs

@@ -0,0 +1,36 @@
+use super::ProjectId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "worktrees")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    #[sea_orm(primary_key)]
+    pub project_id: ProjectId,
+    pub abs_path: String,
+    pub root_name: String,
+    pub visible: bool,
+    /// The last scan for which we've observed entries. It may be in progress.
+    pub scan_id: i64,
+    /// The last scan that fully completed.
+    pub completed_scan_id: i64,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::project::Entity",
+        from = "Column::ProjectId",
+        to = "super::project::Column::Id"
+    )]
+    Project,
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Project.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/worktree_diagnostic_summary.rs

@@ -0,0 +1,21 @@
+use super::ProjectId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "worktree_diagnostic_summaries")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub project_id: ProjectId,
+    #[sea_orm(primary_key)]
+    pub worktree_id: i64,
+    #[sea_orm(primary_key)]
+    pub path: String,
+    pub language_server_id: i64,
+    pub error_count: i32,
+    pub warning_count: i32,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/db/worktree_entry.rs

@@ -0,0 +1,27 @@
+use super::ProjectId;
+use sea_orm::entity::prelude::*;
+
+#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
+#[sea_orm(table_name = "worktree_entries")]
+pub struct Model {
+    #[sea_orm(primary_key)]
+    pub project_id: ProjectId,
+    #[sea_orm(primary_key)]
+    pub worktree_id: i64,
+    #[sea_orm(primary_key)]
+    pub id: i64,
+    pub is_dir: bool,
+    pub path: String,
+    pub inode: i64,
+    pub mtime_seconds: i64,
+    pub mtime_nanos: i32,
+    pub is_symlink: bool,
+    pub is_ignored: bool,
+    pub is_deleted: bool,
+    pub scan_id: i64,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/collab/src/executor.rs

@@ -0,0 +1,44 @@
+use std::{future::Future, time::Duration};
+
+#[derive(Clone)]
+pub enum Executor {
+    Production,
+    #[cfg(test)]
+    Deterministic(std::sync::Arc<gpui::executor::Background>),
+}
+
+impl Executor {
+    pub fn spawn_detached<F>(&self, future: F)
+    where
+        F: 'static + Send + Future<Output = ()>,
+    {
+        match self {
+            Executor::Production => {
+                tokio::spawn(future);
+            }
+            #[cfg(test)]
+            Executor::Deterministic(background) => {
+                background.spawn(future).detach();
+            }
+        }
+    }
+
+    pub fn sleep(&self, duration: Duration) -> impl Future<Output = ()> {
+        let this = self.clone();
+        async move {
+            match this {
+                Executor::Production => tokio::time::sleep(duration).await,
+                #[cfg(test)]
+                Executor::Deterministic(background) => background.timer(duration).await,
+            }
+        }
+    }
+
+    pub fn record_backtrace(&self) {
+        match self {
+            Executor::Production => {}
+            #[cfg(test)]
+            Executor::Deterministic(background) => background.record_backtrace(),
+        }
+    }
+}

crates/collab/src/lib.rs

@@ -1,9 +1,24 @@
+pub mod api;
+pub mod auth;
+pub mod db;
+pub mod env;
+pub mod executor;
+pub mod rpc;
+
+#[cfg(test)]
+mod tests;
+
 use axum::{http::StatusCode, response::IntoResponse};
+use db::Database;
+use executor::Executor;
+use serde::Deserialize;
+use std::{path::PathBuf, sync::Arc};
 
 pub type Result<T, E = Error> = std::result::Result<T, E>;
 
 pub enum Error {
     Http(StatusCode, String),
+    Database(sea_orm::error::DbErr),
     Internal(anyhow::Error),
 }
 
@@ -13,9 +28,9 @@ impl From<anyhow::Error> for Error {
     }
 }
 
-impl From<sqlx::Error> for Error {
-    fn from(error: sqlx::Error) -> Self {
-        Self::Internal(error.into())
+impl From<sea_orm::error::DbErr> for Error {
+    fn from(error: sea_orm::error::DbErr) -> Self {
+        Self::Database(error)
     }
 }
 
@@ -41,6 +56,9 @@ impl IntoResponse for Error {
     fn into_response(self) -> axum::response::Response {
         match self {
             Error::Http(code, message) => (code, message).into_response(),
+            Error::Database(error) => {
+                (StatusCode::INTERNAL_SERVER_ERROR, format!("{}", &error)).into_response()
+            }
             Error::Internal(error) => {
                 (StatusCode::INTERNAL_SERVER_ERROR, format!("{}", &error)).into_response()
             }
@@ -52,6 +70,7 @@ impl std::fmt::Debug for Error {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Error::Http(code, message) => (code, message).fmt(f),
+            Error::Database(error) => error.fmt(f),
             Error::Internal(error) => error.fmt(f),
         }
     }
@@ -61,9 +80,66 @@ impl std::fmt::Display for Error {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             Error::Http(code, message) => write!(f, "{code}: {message}"),
+            Error::Database(error) => error.fmt(f),
             Error::Internal(error) => error.fmt(f),
         }
     }
 }
 
 impl std::error::Error for Error {}
+
+#[derive(Default, Deserialize)]
+pub struct Config {
+    pub http_port: u16,
+    pub database_url: String,
+    pub database_max_connections: u32,
+    pub api_token: String,
+    pub invite_link_prefix: String,
+    pub live_kit_server: Option<String>,
+    pub live_kit_key: Option<String>,
+    pub live_kit_secret: Option<String>,
+    pub rust_log: Option<String>,
+    pub log_json: Option<bool>,
+    pub zed_environment: String,
+}
+
+#[derive(Default, Deserialize)]
+pub struct MigrateConfig {
+    pub database_url: String,
+    pub migrations_path: Option<PathBuf>,
+}
+
+pub struct AppState {
+    pub db: Arc<Database>,
+    pub live_kit_client: Option<Arc<dyn live_kit_server::api::Client>>,
+    pub config: Config,
+}
+
+impl AppState {
+    pub async fn new(config: Config) -> Result<Arc<Self>> {
+        let mut db_options = db::ConnectOptions::new(config.database_url.clone());
+        db_options.max_connections(config.database_max_connections);
+        let db = Database::new(db_options, Executor::Production).await?;
+        let live_kit_client = if let Some(((server, key), secret)) = config
+            .live_kit_server
+            .as_ref()
+            .zip(config.live_kit_key.as_ref())
+            .zip(config.live_kit_secret.as_ref())
+        {
+            Some(Arc::new(live_kit_server::api::LiveKitClient::new(
+                server.clone(),
+                key.clone(),
+                secret.clone(),
+            )) as Arc<dyn live_kit_server::api::Client>)
+        } else {
+            None
+        };
+
+        let this = Self {
+            db: Arc::new(db),
+            live_kit_client,
+            config,
+        };
+        Ok(Arc::new(this))
+    }
+}

crates/collab/src/main.rs

@@ -1,86 +1,20 @@
-mod api;
-mod auth;
-mod db;
-mod env;
-mod rpc;
-
-#[cfg(test)]
-mod db_tests;
-#[cfg(test)]
-mod integration_tests;
-
-use crate::rpc::ResultExt as _;
 use anyhow::anyhow;
-use axum::{routing::get, Router};
-use collab::{Error, Result};
-use db::{Db, PostgresDb};
-use serde::Deserialize;
+use axum::{routing::get, Extension, Router};
+use collab::{db, env, executor::Executor, AppState, Config, MigrateConfig, Result};
+use db::Database;
 use std::{
     env::args,
     net::{SocketAddr, TcpListener},
-    path::PathBuf,
+    path::Path,
     sync::Arc,
-    time::Duration,
 };
-use tokio::signal;
+use tokio::signal::unix::SignalKind;
 use tracing_log::LogTracer;
 use tracing_subscriber::{filter::EnvFilter, fmt::format::JsonFields, Layer};
 use util::ResultExt;
 
 const VERSION: &'static str = env!("CARGO_PKG_VERSION");
 
-#[derive(Default, Deserialize)]
-pub struct Config {
-    pub http_port: u16,
-    pub database_url: String,
-    pub api_token: String,
-    pub invite_link_prefix: String,
-    pub live_kit_server: Option<String>,
-    pub live_kit_key: Option<String>,
-    pub live_kit_secret: Option<String>,
-    pub rust_log: Option<String>,
-    pub log_json: Option<bool>,
-}
-
-#[derive(Default, Deserialize)]
-pub struct MigrateConfig {
-    pub database_url: String,
-    pub migrations_path: Option<PathBuf>,
-}
-
-pub struct AppState {
-    db: Arc<dyn Db>,
-    live_kit_client: Option<Arc<dyn live_kit_server::api::Client>>,
-    config: Config,
-}
-
-impl AppState {
-    async fn new(config: Config) -> Result<Arc<Self>> {
-        let db = PostgresDb::new(&config.database_url, 5).await?;
-        let live_kit_client = if let Some(((server, key), secret)) = config
-            .live_kit_server
-            .as_ref()
-            .zip(config.live_kit_key.as_ref())
-            .zip(config.live_kit_secret.as_ref())
-        {
-            Some(Arc::new(live_kit_server::api::LiveKitClient::new(
-                server.clone(),
-                key.clone(),
-                secret.clone(),
-            )) as Arc<dyn live_kit_server::api::Client>)
-        } else {
-            None
-        };
-
-        let this = Self {
-            db: Arc::new(db),
-            live_kit_client,
-            config,
-        };
-        Ok(Arc::new(this))
-    }
-}
-
 #[tokio::main]
 async fn main() -> Result<()> {
     if let Err(error) = env::load_dotenv() {
@@ -96,13 +30,14 @@ async fn main() -> Result<()> {
         }
         Some("migrate") => {
             let config = envy::from_env::<MigrateConfig>().expect("error loading config");
-            let db = PostgresDb::new(&config.database_url, 5).await?;
+            let mut db_options = db::ConnectOptions::new(config.database_url.clone());
+            db_options.max_connections(5);
+            let db = Database::new(db_options, Executor::Production).await?;
 
             let migrations_path = config
                 .migrations_path
                 .as_deref()
-                .or(db::DEFAULT_MIGRATIONS_PATH.map(|s| s.as_ref()))
-                .ok_or_else(|| anyhow!("missing MIGRATIONS_PATH environment variable"))?;
+                .unwrap_or_else(|| Path::new(concat!(env!("CARGO_MANIFEST_DIR"), "/migrations")));
 
             let migrations = db.migrate(&migrations_path, false).await?;
             for (migration, duration) in migrations {
@@ -119,20 +54,40 @@ async fn main() -> Result<()> {
             init_tracing(&config);
 
             let state = AppState::new(config).await?;
+
             let listener = TcpListener::bind(&format!("0.0.0.0:{}", state.config.http_port))
                 .expect("failed to bind TCP listener");
 
-            let rpc_server = rpc::Server::new(state.clone(), None);
-            rpc_server
-                .start_recording_project_activity(Duration::from_secs(5 * 60), rpc::RealExecutor);
+            let epoch = state
+                .db
+                .create_server(&state.config.zed_environment)
+                .await?;
+            let rpc_server = collab::rpc::Server::new(epoch, state.clone(), Executor::Production);
+            rpc_server.start().await?;
 
-            let app = api::routes(rpc_server.clone(), state.clone())
-                .merge(rpc::routes(rpc_server.clone()))
-                .merge(Router::new().route("/", get(handle_root)));
+            let app = collab::api::routes(rpc_server.clone(), state.clone())
+                .merge(collab::rpc::routes(rpc_server.clone()))
+                .merge(
+                    Router::new()
+                        .route("/", get(handle_root))
+                        .route("/healthz", get(handle_liveness_probe))
+                        .layer(Extension(state.clone())),
+                );
 
             axum::Server::from_tcp(listener)?
                 .serve(app.into_make_service_with_connect_info::<SocketAddr>())
-                .with_graceful_shutdown(graceful_shutdown(rpc_server, state))
+                .with_graceful_shutdown(async move {
+                    let mut sigterm = tokio::signal::unix::signal(SignalKind::terminate())
+                        .expect("failed to listen for interrupt signal");
+                    let mut sigint = tokio::signal::unix::signal(SignalKind::interrupt())
+                        .expect("failed to listen for interrupt signal");
+                    let sigterm = sigterm.recv();
+                    let sigint = sigint.recv();
+                    futures::pin_mut!(sigterm, sigint);
+                    futures::future::select(sigterm, sigint).await;
+                    tracing::info!("Received interrupt signal");
+                    rpc_server.teardown();
+                })
                 .await?;
         }
         _ => {
@@ -146,6 +101,11 @@ async fn handle_root() -> String {
     format!("collab v{VERSION}")
 }
 
+async fn handle_liveness_probe(Extension(state): Extension<Arc<AppState>>) -> Result<String> {
+    state.db.get_all_users(0, 1).await?;
+    Ok("ok".to_string())
+}
+
 pub fn init_tracing(config: &Config) -> Option<()> {
     use std::str::FromStr;
     use tracing_subscriber::layer::SubscriberExt;
@@ -177,52 +137,3 @@ pub fn init_tracing(config: &Config) -> Option<()> {
 
     None
 }
-
-async fn graceful_shutdown(rpc_server: Arc<rpc::Server>, state: Arc<AppState>) {
-    let ctrl_c = async {
-        signal::ctrl_c()
-            .await
-            .expect("failed to install Ctrl+C handler");
-    };
-
-    #[cfg(unix)]
-    let terminate = async {
-        signal::unix::signal(signal::unix::SignalKind::terminate())
-            .expect("failed to install signal handler")
-            .recv()
-            .await;
-    };
-
-    #[cfg(not(unix))]
-    let terminate = std::future::pending::<()>();
-
-    tokio::select! {
-        _ = ctrl_c => {},
-        _ = terminate => {},
-    }
-
-    if let Some(live_kit) = state.live_kit_client.as_ref() {
-        let deletions = rpc_server
-            .store()
-            .await
-            .rooms()
-            .values()
-            .map(|room| {
-                let name = room.live_kit_room.clone();
-                async {
-                    live_kit.delete_room(name).await.trace_err();
-                }
-            })
-            .collect::<Vec<_>>();
-
-        tracing::info!("deleting all live-kit rooms");
-        if let Err(_) = tokio::time::timeout(
-            Duration::from_secs(10),
-            futures::future::join_all(deletions),
-        )
-        .await
-        {
-            tracing::error!("timed out waiting for live-kit room deletion");
-        }
-    }
-}

crates/collab/src/rpc/connection_pool.rs

@@ -0,0 +1,98 @@
+use crate::db::UserId;
+use anyhow::{anyhow, Result};
+use collections::{BTreeMap, HashSet};
+use rpc::ConnectionId;
+use serde::Serialize;
+use tracing::instrument;
+
+#[derive(Default, Serialize)]
+pub struct ConnectionPool {
+    connections: BTreeMap<ConnectionId, Connection>,
+    connected_users: BTreeMap<UserId, ConnectedUser>,
+}
+
+#[derive(Default, Serialize)]
+struct ConnectedUser {
+    connection_ids: HashSet<ConnectionId>,
+}
+
+#[derive(Serialize)]
+pub struct Connection {
+    pub user_id: UserId,
+    pub admin: bool,
+}
+
+impl ConnectionPool {
+    pub fn reset(&mut self) {
+        self.connections.clear();
+        self.connected_users.clear();
+    }
+
+    #[instrument(skip(self))]
+    pub fn add_connection(&mut self, connection_id: ConnectionId, user_id: UserId, admin: bool) {
+        self.connections
+            .insert(connection_id, Connection { user_id, admin });
+        let connected_user = self.connected_users.entry(user_id).or_default();
+        connected_user.connection_ids.insert(connection_id);
+    }
+
+    #[instrument(skip(self))]
+    pub fn remove_connection(&mut self, connection_id: ConnectionId) -> Result<()> {
+        let connection = self
+            .connections
+            .get_mut(&connection_id)
+            .ok_or_else(|| anyhow!("no such connection"))?;
+
+        let user_id = connection.user_id;
+        let connected_user = self.connected_users.get_mut(&user_id).unwrap();
+        connected_user.connection_ids.remove(&connection_id);
+        if connected_user.connection_ids.is_empty() {
+            self.connected_users.remove(&user_id);
+        }
+        self.connections.remove(&connection_id).unwrap();
+        Ok(())
+    }
+
+    pub fn connections(&self) -> impl Iterator<Item = &Connection> {
+        self.connections.values()
+    }
+
+    pub fn user_connection_ids(&self, user_id: UserId) -> impl Iterator<Item = ConnectionId> + '_ {
+        self.connected_users
+            .get(&user_id)
+            .into_iter()
+            .map(|state| &state.connection_ids)
+            .flatten()
+            .copied()
+    }
+
+    pub fn is_user_online(&self, user_id: UserId) -> bool {
+        !self
+            .connected_users
+            .get(&user_id)
+            .unwrap_or(&Default::default())
+            .connection_ids
+            .is_empty()
+    }
+
+    #[cfg(test)]
+    pub fn check_invariants(&self) {
+        for (connection_id, connection) in &self.connections {
+            assert!(self
+                .connected_users
+                .get(&connection.user_id)
+                .unwrap()
+                .connection_ids
+                .contains(connection_id));
+        }
+
+        for (user_id, state) in &self.connected_users {
+            for connection_id in &state.connection_ids {
+                assert_eq!(
+                    self.connections.get(connection_id).unwrap().user_id,
+                    *user_id
+                );
+            }
+        }
+    }
+}

crates/collab/src/tests.rs

@@ -0,0 +1,449 @@
+use crate::{
+    db::{NewUserParams, TestDb, UserId},
+    executor::Executor,
+    rpc::{Server, CLEANUP_TIMEOUT},
+    AppState,
+};
+use anyhow::anyhow;
+use call::ActiveCall;
+use client::{
+    self, proto::PeerId, Client, Connection, Credentials, EstablishConnectionError, UserStore,
+};
+use collections::{HashMap, HashSet};
+use fs::FakeFs;
+use futures::{channel::oneshot, StreamExt as _};
+use gpui::{executor::Deterministic, test::EmptyView, ModelHandle, TestAppContext, ViewHandle};
+use language::LanguageRegistry;
+use parking_lot::Mutex;
+use project::{Project, WorktreeId};
+use settings::Settings;
+use std::{
+    env,
+    ops::Deref,
+    path::{Path, PathBuf},
+    sync::{
+        atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
+        Arc,
+    },
+};
+use theme::ThemeRegistry;
+use util::http::FakeHttpClient;
+use workspace::Workspace;
+
+mod integration_tests;
+mod randomized_integration_tests;
+
+struct TestServer {
+    app_state: Arc<AppState>,
+    server: Arc<Server>,
+    connection_killers: Arc<Mutex<HashMap<PeerId, Arc<AtomicBool>>>>,
+    forbid_connections: Arc<AtomicBool>,
+    _test_db: TestDb,
+    test_live_kit_server: Arc<live_kit_client::TestServer>,
+}
+
+impl TestServer {
+    async fn start(deterministic: &Arc<Deterministic>) -> Self {
+        static NEXT_LIVE_KIT_SERVER_ID: AtomicUsize = AtomicUsize::new(0);
+
+        let use_postgres = env::var("USE_POSTGRES").ok();
+        let use_postgres = use_postgres.as_deref();
+        let test_db = if use_postgres == Some("true") || use_postgres == Some("1") {
+            TestDb::postgres(deterministic.build_background())
+        } else {
+            TestDb::sqlite(deterministic.build_background())
+        };
+        let live_kit_server_id = NEXT_LIVE_KIT_SERVER_ID.fetch_add(1, SeqCst);
+        let live_kit_server = live_kit_client::TestServer::create(
+            format!("http://livekit.{}.test", live_kit_server_id),
+            format!("devkey-{}", live_kit_server_id),
+            format!("secret-{}", live_kit_server_id),
+            deterministic.build_background(),
+        )
+        .unwrap();
+        let app_state = Self::build_app_state(&test_db, &live_kit_server).await;
+        let epoch = app_state
+            .db
+            .create_server(&app_state.config.zed_environment)
+            .await
+            .unwrap();
+        let server = Server::new(
+            epoch,
+            app_state.clone(),
+            Executor::Deterministic(deterministic.build_background()),
+        );
+        server.start().await.unwrap();
+        // Advance clock to ensure the server's cleanup task is finished.
+        deterministic.advance_clock(CLEANUP_TIMEOUT);
+        Self {
+            app_state,
+            server,
+            connection_killers: Default::default(),
+            forbid_connections: Default::default(),
+            _test_db: test_db,
+            test_live_kit_server: live_kit_server,
+        }
+    }
+
+    async fn reset(&self) {
+        self.app_state.db.reset();
+        let epoch = self
+            .app_state
+            .db
+            .create_server(&self.app_state.config.zed_environment)
+            .await
+            .unwrap();
+        self.server.reset(epoch);
+    }
+
+    async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
+        cx.update(|cx| {
+            cx.set_global(Settings::test(cx));
+        });
+
+        let http = FakeHttpClient::with_404_response();
+        let user_id = if let Ok(Some(user)) = self.app_state.db.get_user_by_github_login(name).await
+        {
+            user.id
+        } else {
+            self.app_state
+                .db
+                .create_user(
+                    &format!("{name}@example.com"),
+                    false,
+                    NewUserParams {
+                        github_login: name.into(),
+                        github_user_id: 0,
+                        invite_count: 0,
+                    },
+                )
+                .await
+                .expect("creating user failed")
+                .user_id
+        };
+        let client_name = name.to_string();
+        let mut client = cx.read(|cx| Client::new(http.clone(), cx));
+        let server = self.server.clone();
+        let db = self.app_state.db.clone();
+        let connection_killers = self.connection_killers.clone();
+        let forbid_connections = self.forbid_connections.clone();
+
+        Arc::get_mut(&mut client)
+            .unwrap()
+            .set_id(user_id.0 as usize)
+            .override_authenticate(move |cx| {
+                cx.spawn(|_| async move {
+                    let access_token = "the-token".to_string();
+                    Ok(Credentials {
+                        user_id: user_id.0 as u64,
+                        access_token,
+                    })
+                })
+            })
+            .override_establish_connection(move |credentials, cx| {
+                assert_eq!(credentials.user_id, user_id.0 as u64);
+                assert_eq!(credentials.access_token, "the-token");
+
+                let server = server.clone();
+                let db = db.clone();
+                let connection_killers = connection_killers.clone();
+                let forbid_connections = forbid_connections.clone();
+                let client_name = client_name.clone();
+                cx.spawn(move |cx| async move {
+                    if forbid_connections.load(SeqCst) {
+                        Err(EstablishConnectionError::other(anyhow!(
+                            "server is forbidding connections"
+                        )))
+                    } else {
+                        let (client_conn, server_conn, killed) =
+                            Connection::in_memory(cx.background());
+                        let (connection_id_tx, connection_id_rx) = oneshot::channel();
+                        let user = db
+                            .get_user_by_id(user_id)
+                            .await
+                            .expect("retrieving user failed")
+                            .unwrap();
+                        cx.background()
+                            .spawn(server.handle_connection(
+                                server_conn,
+                                client_name,
+                                user,
+                                Some(connection_id_tx),
+                                Executor::Deterministic(cx.background()),
+                            ))
+                            .detach();
+                        let connection_id = connection_id_rx.await.unwrap();
+                        connection_killers
+                            .lock()
+                            .insert(connection_id.into(), killed);
+                        Ok(client_conn)
+                    }
+                })
+            });
+
+        let fs = FakeFs::new(cx.background());
+        let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
+        let app_state = Arc::new(workspace::AppState {
+            client: client.clone(),
+            user_store: user_store.clone(),
+            languages: Arc::new(LanguageRegistry::test()),
+            themes: ThemeRegistry::new((), cx.font_cache()),
+            fs: fs.clone(),
+            build_window_options: |_, _, _| Default::default(),
+            initialize_workspace: |_, _, _| unimplemented!(),
+            dock_default_item_factory: |_, _| None,
+            background_actions: || &[],
+        });
+
+        Project::init(&client);
+        cx.update(|cx| {
+            workspace::init(app_state.clone(), cx);
+            call::init(client.clone(), user_store.clone(), cx);
+        });
+
+        client
+            .authenticate_and_connect(false, &cx.to_async())
+            .await
+            .unwrap();
+
+        let client = TestClient {
+            client,
+            username: name.to_string(),
+            local_projects: Default::default(),
+            remote_projects: Default::default(),
+            next_root_dir_id: 0,
+            user_store,
+            fs,
+            language_registry: Arc::new(LanguageRegistry::test()),
+            buffers: Default::default(),
+        };
+        client.wait_for_current_user(cx).await;
+        client
+    }
+
+    fn disconnect_client(&self, peer_id: PeerId) {
+        self.connection_killers
+            .lock()
+            .remove(&peer_id)
+            .unwrap()
+            .store(true, SeqCst);
+    }
+
+    fn forbid_connections(&self) {
+        self.forbid_connections.store(true, SeqCst);
+    }
+
+    fn allow_connections(&self) {
+        self.forbid_connections.store(false, SeqCst);
+    }
+
+    async fn make_contacts(&self, clients: &mut [(&TestClient, &mut TestAppContext)]) {
+        for ix in 1..clients.len() {
+            let (left, right) = clients.split_at_mut(ix);
+            let (client_a, cx_a) = left.last_mut().unwrap();
+            for (client_b, cx_b) in right {
+                client_a
+                    .user_store
+                    .update(*cx_a, |store, cx| {
+                        store.request_contact(client_b.user_id().unwrap(), cx)
+                    })
+                    .await
+                    .unwrap();
+                cx_a.foreground().run_until_parked();
+                client_b
+                    .user_store
+                    .update(*cx_b, |store, cx| {
+                        store.respond_to_contact_request(client_a.user_id().unwrap(), true, cx)
+                    })
+                    .await
+                    .unwrap();
+            }
+        }
+    }
+
+    async fn create_room(&self, clients: &mut [(&TestClient, &mut TestAppContext)]) {
+        self.make_contacts(clients).await;
+
+        let (left, right) = clients.split_at_mut(1);
+        let (_client_a, cx_a) = &mut left[0];
+        let active_call_a = cx_a.read(ActiveCall::global);
+
+        for (client_b, cx_b) in right {
+            let user_id_b = client_b.current_user_id(*cx_b).to_proto();
+            active_call_a
+                .update(*cx_a, |call, cx| call.invite(user_id_b, None, cx))
+                .await
+                .unwrap();
+
+            cx_b.foreground().run_until_parked();
+            let active_call_b = cx_b.read(ActiveCall::global);
+            active_call_b
+                .update(*cx_b, |call, cx| call.accept_incoming(cx))
+                .await
+                .unwrap();
+        }
+    }
+
+    async fn build_app_state(
+        test_db: &TestDb,
+        fake_server: &live_kit_client::TestServer,
+    ) -> Arc<AppState> {
+        Arc::new(AppState {
+            db: test_db.db().clone(),
+            live_kit_client: Some(Arc::new(fake_server.create_api_client())),
+            config: Default::default(),
+        })
+    }
+}
+
+impl Deref for TestServer {
+    type Target = Server;
+
+    fn deref(&self) -> &Self::Target {
+        &self.server
+    }
+}
+
+impl Drop for TestServer {
+    fn drop(&mut self) {
+        self.server.teardown();
+        self.test_live_kit_server.teardown().unwrap();
+    }
+}
+
+struct TestClient {
+    client: Arc<Client>,
+    username: String,
+    local_projects: Vec<ModelHandle<Project>>,
+    remote_projects: Vec<ModelHandle<Project>>,
+    next_root_dir_id: usize,
+    pub user_store: ModelHandle<UserStore>,
+    language_registry: Arc<LanguageRegistry>,
+    fs: Arc<FakeFs>,
+    buffers: HashMap<ModelHandle<Project>, HashSet<ModelHandle<language::Buffer>>>,
+}
+
+impl Deref for TestClient {
+    type Target = Arc<Client>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.client
+    }
+}
+
+struct ContactsSummary {
+    pub current: Vec<String>,
+    pub outgoing_requests: Vec<String>,
+    pub incoming_requests: Vec<String>,
+}
+
+impl TestClient {
+    pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
+        UserId::from_proto(
+            self.user_store
+                .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
+        )
+    }
+
+    async fn wait_for_current_user(&self, cx: &TestAppContext) {
+        let mut authed_user = self
+            .user_store
+            .read_with(cx, |user_store, _| user_store.watch_current_user());
+        while authed_user.next().await.unwrap().is_none() {}
+    }
+
+    async fn clear_contacts(&self, cx: &mut TestAppContext) {
+        self.user_store
+            .update(cx, |store, _| store.clear_contacts())
+            .await;
+    }
+
+    fn summarize_contacts(&self, cx: &TestAppContext) -> ContactsSummary {
+        self.user_store.read_with(cx, |store, _| ContactsSummary {
+            current: store
+                .contacts()
+                .iter()
+                .map(|contact| contact.user.github_login.clone())
+                .collect(),
+            outgoing_requests: store
+                .outgoing_contact_requests()
+                .iter()
+                .map(|user| user.github_login.clone())
+                .collect(),
+            incoming_requests: store
+                .incoming_contact_requests()
+                .iter()
+                .map(|user| user.github_login.clone())
+                .collect(),
+        })
+    }
+
+    async fn build_local_project(
+        &self,
+        root_path: impl AsRef<Path>,
+        cx: &mut TestAppContext,
+    ) -> (ModelHandle<Project>, WorktreeId) {
+        let project = cx.update(|cx| {
+            Project::local(
+                self.client.clone(),
+                self.user_store.clone(),
+                self.language_registry.clone(),
+                self.fs.clone(),
+                cx,
+            )
+        });
+        let (worktree, _) = project
+            .update(cx, |p, cx| {
+                p.find_or_create_local_worktree(root_path, true, cx)
+            })
+            .await
+            .unwrap();
+        worktree
+            .read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
+            .await;
+        (project, worktree.read_with(cx, |tree, _| tree.id()))
+    }
+
+    async fn build_remote_project(
+        &self,
+        host_project_id: u64,
+        guest_cx: &mut TestAppContext,
+    ) -> ModelHandle<Project> {
+        let active_call = guest_cx.read(ActiveCall::global);
+        let room = active_call.read_with(guest_cx, |call, _| call.room().unwrap().clone());
+        room.update(guest_cx, |room, cx| {
+            room.join_project(
+                host_project_id,
+                self.language_registry.clone(),
+                self.fs.clone(),
+                cx,
+            )
+        })
+        .await
+        .unwrap()
+    }
+
+    fn build_workspace(
+        &self,
+        project: &ModelHandle<Project>,
+        cx: &mut TestAppContext,
+    ) -> ViewHandle<Workspace> {
+        let (_, root_view) = cx.add_window(|_| EmptyView);
+        cx.add_view(&root_view, |cx| Workspace::test_new(project.clone(), cx))
+    }
+
+    fn create_new_root_dir(&mut self) -> PathBuf {
+        format!(
+            "/{}-root-{}",
+            self.username,
+            util::post_inc(&mut self.next_root_dir_id)
+        )
+        .into()
+    }
+}
+
+impl Drop for TestClient {
+    fn drop(&mut self) {
+        self.client.teardown();
+    }
+}

crates/collab_ui/Cargo.toml

@@ -2,6 +2,7 @@
 name = "collab_ui"
 version = "0.1.0"
 edition = "2021"
+publish = false
 
 [lib]
 path = "src/collab_ui.rs"
@@ -21,11 +22,14 @@ test-support = [
 ]
 
 [dependencies]
+auto_update = { path = "../auto_update" }
 call = { path = "../call" }
 client = { path = "../client" }
 clock = { path = "../clock" }
 collections = { path = "../collections" }
+context_menu = { path = "../context_menu" }
 editor = { path = "../editor" }
+feedback = { path = "../feedback" }
 fuzzy = { path = "../fuzzy" }
 gpui = { path = "../gpui" }
 menu = { path = "../menu" }
@@ -38,8 +42,9 @@ workspace = { path = "../workspace" }
 anyhow = "1.0"
 futures = "0.3"
 log = "0.4"
-postage = { version = "0.4.1", features = ["futures-traits"] }
-serde = { version = "1.0", features = ["derive", "rc"] }
+postage = { workspace = true }
+serde = { workspace = true }
+serde_derive = { workspace = true }
 
 [dev-dependencies]
 call = { path = "../call", features = ["test-support"] }

crates/collab_ui/src/collab_ui.rs

@@ -1,19 +1,24 @@
 mod collab_titlebar_item;
+mod collaborator_list_popover;
 mod contact_finder;
 mod contact_list;
 mod contact_notification;
 mod contacts_popover;
+mod face_pile;
 mod incoming_call_notification;
 mod notifications;
 mod project_shared_notification;
+mod sharing_status_indicator;
 
+use anyhow::anyhow;
 use call::ActiveCall;
-pub use collab_titlebar_item::{CollabTitlebarItem, ToggleCollaborationMenu};
-use gpui::MutableAppContext;
-use project::Project;
+pub use collab_titlebar_item::{CollabTitlebarItem, ToggleContactsMenu};
+use gpui::{actions, MutableAppContext, Task};
 use std::sync::Arc;
 use workspace::{AppState, JoinProject, ToggleFollow, Workspace};
 
+actions!(collab, [ToggleScreenSharing]);
+
 pub fn init(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
     collab_titlebar_item::init(cx);
     contact_notification::init(cx);
@@ -22,76 +27,108 @@ pub fn init(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
     contacts_popover::init(cx);
     incoming_call_notification::init(cx);
     project_shared_notification::init(cx);
+    sharing_status_indicator::init(cx);
 
+    cx.add_global_action(toggle_screen_sharing);
     cx.add_global_action(move |action: &JoinProject, cx| {
-        let project_id = action.project_id;
-        let follow_user_id = action.follow_user_id;
-        let app_state = app_state.clone();
-        cx.spawn(|mut cx| async move {
-            let existing_workspace = cx.update(|cx| {
-                cx.window_ids()
-                    .filter_map(|window_id| cx.root_view::<Workspace>(window_id))
-                    .find(|workspace| {
-                        workspace.read(cx).project().read(cx).remote_id() == Some(project_id)
-                    })
-            });
-
-            let workspace = if let Some(existing_workspace) = existing_workspace {
-                existing_workspace
-            } else {
-                let project = Project::remote(
-                    project_id,
-                    app_state.client.clone(),
-                    app_state.user_store.clone(),
-                    app_state.project_store.clone(),
-                    app_state.languages.clone(),
-                    app_state.fs.clone(),
-                    cx.clone(),
-                )
-                .await?;
-
-                let (_, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
-                    let mut workspace = Workspace::new(project, app_state.default_item_factory, cx);
-                    (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
-                    workspace
-                });
-                workspace
-            };
-
-            cx.activate_window(workspace.window_id());
-            cx.platform().activate(true);
-
-            workspace.update(&mut cx, |workspace, cx| {
-                if let Some(room) = ActiveCall::global(cx).read(cx).room().cloned() {
-                    let follow_peer_id = room
-                        .read(cx)
-                        .remote_participants()
-                        .iter()
-                        .find(|(_, participant)| participant.user.id == follow_user_id)
-                        .map(|(peer_id, _)| *peer_id)
-                        .or_else(|| {
-                            // If we couldn't follow the given user, follow the host instead.
-                            let collaborator = workspace
-                                .project()
-                                .read(cx)
-                                .collaborators()
-                                .values()
-                                .find(|collaborator| collaborator.replica_id == 0)?;
-                            Some(collaborator.peer_id)
-                        });
-
-                    if let Some(follow_peer_id) = follow_peer_id {
-                        if !workspace.is_following(follow_peer_id) {
-                            workspace
-                                .toggle_follow(&ToggleFollow(follow_peer_id), cx)
-                                .map(|follow| follow.detach_and_log_err(cx));
-                        }
-                    }
-                }
-            });
-
-            anyhow::Ok(())
-        })
-        .detach_and_log_err(cx);
+        join_project(action, app_state.clone(), cx);
     });
 }
+
+pub fn toggle_screen_sharing(_: &ToggleScreenSharing, cx: &mut MutableAppContext) {
+    if let Some(room) = ActiveCall::global(cx).read(cx).room().cloned() {
+        let toggle_screen_sharing = room.update(cx, |room, cx| {
+            if room.is_screen_sharing() {
+                Task::ready(room.unshare_screen(cx))
+            } else {
+                room.share_screen(cx)
+            }
+        });
+        toggle_screen_sharing.detach_and_log_err(cx);
+    }
+}
+
+fn join_project(action: &JoinProject, app_state: Arc<AppState>, cx: &mut MutableAppContext) {
+    let project_id = action.project_id;
+    let follow_user_id = action.follow_user_id;
+    cx.spawn(|mut cx| async move {
+        let existing_workspace = cx.update(|cx| {
+            cx.window_ids()
+                .filter_map(|window_id| cx.root_view::<Workspace>(window_id))
+                .find(|workspace| {
+                    workspace.read(cx).project().read(cx).remote_id() == Some(project_id)
+                })
+        });
+
+        let workspace = if let Some(existing_workspace) = existing_workspace {
+            existing_workspace
+        } else {
+            let active_call = cx.read(ActiveCall::global);
+            let room = active_call
+                .read_with(&cx, |call, _| call.room().cloned())
+                .ok_or_else(|| anyhow!("not in a call"))?;
+            let project = room
+                .update(&mut cx, |room, cx| {
+                    room.join_project(
+                        project_id,
+                        app_state.languages.clone(),
+                        app_state.fs.clone(),
+                        cx,
+                    )
+                })
+                .await?;
+
+            let (_, workspace) = cx.add_window(
+                (app_state.build_window_options)(None, None, cx.platform().as_ref()),
+                |cx| {
+                    let mut workspace = Workspace::new(
+                        Default::default(),
+                        0,
+                        project,
+                        app_state.dock_default_item_factory,
+                        app_state.background_actions,
+                        cx,
+                    );
+                    (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
+                    workspace
+                },
+            );
+            workspace
+        };
+
+        cx.activate_window(workspace.window_id());
+        cx.platform().activate(true);
+
+        workspace.update(&mut cx, |workspace, cx| {
+            if let Some(room) = ActiveCall::global(cx).read(cx).room().cloned() {
+                let follow_peer_id = room
+                    .read(cx)
+                    .remote_participants()
+                    .iter()
+                    .find(|(_, participant)| participant.user.id == follow_user_id)
+                    .map(|(_, p)| p.peer_id)
+                    .or_else(|| {
+                        // If we couldn't follow the given user, follow the host instead.
+                        let collaborator = workspace
+                            .project()
+                            .read(cx)
+                            .collaborators()
+                            .values()
+                            .find(|collaborator| collaborator.replica_id == 0)?;
+                        Some(collaborator.peer_id)
+                    });
+
+                if let Some(follow_peer_id) = follow_peer_id {
+                    if !workspace.is_being_followed(follow_peer_id) {
+                        workspace
+                            .toggle_follow(&ToggleFollow(follow_peer_id), cx)
+                            .map(|follow| follow.detach_and_log_err(cx));
+                    }
+                }
+            }
+        });
+
+        anyhow::Ok(())
+    })
+    .detach_and_log_err(cx);
+}