Avoid scrolling when clicking near editor top/bottom

Also makes go-to navigation autoscroll guarantee some amount of
margin regardless of user cursor scroll margin

.cargo/ci-config.toml

@@ -10,3 +10,6 @@
 # in one spot, that's going to trigger a rebuild of all of the artifacts. Using ci-config.toml we can define these overrides for CI in one spot and not worry about it.
 [build]
 rustflags = ["-D", "warnings"]
+
+[alias]
+xtask = "run --package xtask --"

.cargo/config.toml

@@ -1,3 +1,6 @@
 [build]
 # v0 mangling scheme provides more detailed backtraces around closures
-rustflags = ["-C", "symbol-mangling-version=v0"]
+rustflags = ["-C", "symbol-mangling-version=v0", "--cfg", "tokio_unstable"]
+
+[alias]
+xtask = "run --package xtask --"

.github/ISSUE_TEMPLATE/1_bug_report.yml

@@ -32,9 +32,9 @@ body:
           required: false
     - type: textarea
       attributes:
-          label: |
-              If applicable, attach your `~/Library/Logs/Zed/Zed.log` file to this issue.
+          label: If applicable, attach your `~/Library/Logs/Zed/Zed.log` file to this issue.
+          description: |
+              Drag Zed.log into the text input below.
               If you only need the most recent lines, you can run the `zed: open log` command palette action to see the last 1000.
-          description: Drag Zed.log into the text input below
       validations:
           required: false

.github/ISSUE_TEMPLATE/2_crash_report.yml

@@ -31,9 +31,9 @@ body:
           required: false
     - type: textarea
       attributes:
-          label: |
-              If applicable, attach your `~/Library/Logs/Zed/Zed.log` file to this issue.
+          label: If applicable, attach your `~/Library/Logs/Zed/Zed.log` file to this issue.
+          description: |
+              Drag Zed.log into the text input below.
               If you only need the most recent lines, you can run the `zed: open log` command palette action to see the last 1000.
-          description: Drag Zed.log into the text input below
       validations:
           required: false

.github/ISSUE_TEMPLATE/config.yml

@@ -1,16 +1,17 @@
+blank_issues_enabled: false
 contact_links:
-    - name: Language Request
-      url: https://github.com/zed-industries/extensions/issues/new?assignees=&labels=language&projects=&template=1_language_request.yml&title=%3Cname_of_language%3E
-      about: Request a language in the extensions repository
-    - name: Theme Request
-      url: https://github.com/zed-industries/extensions/issues/new?assignees=&labels=theme&projects=&template=0_theme_request.yml&title=%3Cname_of_theme%3E+theme
-      about: Request a theme in the extensions repository
-    - name: Top-Ranking Issues
-      url: https://github.com/zed-industries/zed/issues/5393
-      about: See an overview of the most popular Zed issues
-    - name: Platform Support
-      url: https://github.com/zed-industries/zed/issues/5391
-      about: A quick note on platform support
-    - name: Positive Feedback
-      url: https://github.com/zed-industries/zed/discussions/5397
-      about: A central location for kind words about Zed
+  - name: Language Request
+    url: https://github.com/zed-industries/extensions/issues/new?assignees=&labels=language&projects=&template=1_language_request.yml&title=%3Cname_of_language%3E
+    about: Request a language in the extensions repository
+  - name: Theme Request
+    url: https://github.com/zed-industries/extensions/issues/new?assignees=&labels=theme&projects=&template=0_theme_request.yml&title=%3Cname_of_theme%3E+theme
+    about: Request a theme in the extensions repository
+  - name: Top-Ranking Issues
+    url: https://github.com/zed-industries/zed/issues/5393
+    about: See an overview of the most popular Zed issues
+  - name: Platform Support
+    url: https://github.com/zed-industries/zed/issues/5391
+    about: A quick note on platform support
+  - name: Positive Feedback
+    url: https://github.com/zed-industries/zed/discussions/5397
+    about: A central location for kind words about Zed

.github/cherry-pick-bot.yml

@@ -0,0 +1,2 @@
+enabled: true
+preservePullRequestTitle: true

.github/workflows/ci.yml

@@ -87,8 +87,7 @@ jobs:
           submodules: "recursive"
 
       - name: cargo clippy
-        shell: bash -euxo pipefail {0}
-        run: script/clippy
+        run: cargo xtask clippy
 
       - name: Run tests
         uses: ./.github/actions/run_tests
@@ -99,7 +98,7 @@ jobs:
       - name: Build other binaries and features
         run: cargo build --workspace --bins --all-features; cargo check -p gpui --features "macos-blade"
 
-  # todo!(linux): Actually run the tests
+  # todo(linux): Actually run the tests
   linux_tests:
     name: (Linux) Run Clippy and tests
     runs-on: ubuntu-latest
@@ -120,13 +119,12 @@ jobs:
         run: script/linux
 
       - name: cargo clippy
-        shell: bash -euxo pipefail {0}
-        run: script/clippy
+        run: cargo xtask clippy
 
       - name: Build Zed
         run: cargo build -p zed
 
-  # todo!(windows): Actually run the tests
+  # todo(windows): Actually run the tests
   windows_tests:
     name: (Windows) Run Clippy and tests
     runs-on: windows-latest
@@ -143,18 +141,17 @@ jobs:
           save-if: ${{ github.ref == 'refs/heads/main' }}
 
       - name: cargo clippy
-        shell: bash -euxo pipefail {0}
-        run: script/clippy
+        run: cargo xtask clippy
 
       - name: Build Zed
         run: cargo build -p zed
 
-  bundle:
-    name: Bundle macOS app
+  bundle-mac:
+    name: Create a macOS bundle
     runs-on:
       - self-hosted
       - bundle
-    if: ${{ startsWith(github.ref, 'refs/tags/v') || contains(github.event.pull_request.labels.*.name, 'run-build-dmg') }}
+    if: ${{ startsWith(github.ref, 'refs/tags/v') || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
     needs: [macos_tests]
     env:
       MACOS_CERTIFICATE: ${{ secrets.MACOS_CERTIFICATE }}
@@ -209,12 +206,12 @@ jobs:
       - name: Generate license file
         run: script/generate-licenses
 
-      - name: Create app bundle
-        run: script/bundle
+      - name: Create macOS app bundle
+        run: script/bundle-mac
 
       - name: Upload app bundle to workflow run if main branch or specific label
-        uses: actions/upload-artifact@v3
-        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-build-dmg') }}
+        uses: actions/upload-artifact@v4
+        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
         with:
           name: Zed_${{ github.event.pull_request.head.sha || github.sha }}.dmg
           path: target/release/Zed.dmg
@@ -229,3 +226,81 @@ jobs:
           body: ""
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  bundle-deb:
+    name: Create a *.deb Linux bundle
+    runs-on: ubuntu-22.04 # keep the version fixed to avoid libc and dynamic linked library issues
+    if: ${{ startsWith(github.ref, 'refs/tags/v') || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
+    needs: [linux_tests]
+    env:
+      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
+      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          clean: false
+          submodules: "recursive"
+
+      - name: Cache dependencies
+        uses: swatinem/rust-cache@v2
+        with:
+          save-if: ${{ github.ref == 'refs/heads/main' }}
+
+      - name: Configure linux
+        shell: bash -euxo pipefail {0}
+        run: script/linux
+
+      - name: Determine version and release channel
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        run: |
+          set -eu
+
+          version=$(script/get-crate-version zed)
+          channel=$(cat crates/zed/RELEASE_CHANNEL)
+          echo "Publishing version: ${version} on release channel ${channel}"
+          echo "RELEASE_CHANNEL=${channel}" >> $GITHUB_ENV
+
+          expected_tag_name=""
+          case ${channel} in
+            stable)
+              expected_tag_name="v${version}";;
+            preview)
+              expected_tag_name="v${version}-pre";;
+            nightly)
+              expected_tag_name="v${version}-nightly";;
+            *)
+              echo "can't publish a release on channel ${channel}"
+              exit 1;;
+          esac
+          if [[ $GITHUB_REF_NAME != $expected_tag_name ]]; then
+            echo "invalid release tag ${GITHUB_REF_NAME}. expected ${expected_tag_name}"
+            exit 1
+          fi
+
+      # TODO linux : Find a way to add licenses to the final bundle
+      # - name: Generate license file
+      #   run: script/generate-licenses
+
+      - name: Create Linux *.deb bundle
+        run: script/bundle-linux
+
+      - name: Upload app bundle to workflow run if main branch or specific label
+        uses: actions/upload-artifact@v4
+        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
+        with:
+          name: Zed_${{ github.event.pull_request.head.sha || github.sha }}.deb
+          path: target/release/*.deb
+
+      # TODO linux : make it stable enough to be uploaded as a release
+      # - uses: softprops/action-gh-release@v1
+      #   name: Upload app bundle to release
+      #   if: ${{ env.RELEASE_CHANNEL == 'preview' || env.RELEASE_CHANNEL == 'stable' }}
+      #   with:
+      #     draft: true
+      #     prerelease: ${{ env.RELEASE_CHANNEL == 'preview' }}
+      #     files: target/release/Zed.dmg
+      #     body: ""
+      #   env:
+      #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/deploy_collab.yml

@@ -28,8 +28,7 @@ jobs:
         uses: ./.github/actions/check_style
 
       - name: Run clippy
-        shell: bash -euxo pipefail {0}
-        run: script/clippy
+        run: cargo xtask clippy
 
   tests:
     name: Run tests
@@ -105,8 +104,12 @@ jobs:
           set -eu
           if [[ $GITHUB_REF_NAME = "collab-production" ]]; then
             export ZED_KUBE_NAMESPACE=production
+            export ZED_COLLAB_LOAD_BALANCER_SIZE_UNIT=10
+            export ZED_API_LOAD_BALANCER_SIZE_UNIT=2
           elif [[ $GITHUB_REF_NAME = "collab-staging" ]]; then
             export ZED_KUBE_NAMESPACE=staging
+            export ZED_COLLAB_LOAD_BALANCER_SIZE_UNIT=1
+            export ZED_API_LOAD_BALANCER_SIZE_UNIT=1
           else
             echo "cowardly refusing to deploy from an unknown branch"
             exit 1
@@ -121,11 +124,13 @@ jobs:
           export ZED_IMAGE_ID="registry.digitalocean.com/zed/collab:${GITHUB_SHA}"
 
           export ZED_SERVICE_NAME=collab
+          export ZED_LOAD_BALANCER_SIZE_UNIT=$ZED_COLLAB_LOAD_BALANCER_SIZE_UNIT
           envsubst < crates/collab/k8s/collab.template.yml | kubectl apply -f -
           kubectl -n "$ZED_KUBE_NAMESPACE" rollout status deployment/$ZED_SERVICE_NAME --watch
           echo "deployed ${ZED_SERVICE_NAME} to ${ZED_KUBE_NAMESPACE}"
 
           export ZED_SERVICE_NAME=api
+          export ZED_LOAD_BALANCER_SIZE_UNIT=$ZED_API_LOAD_BALANCER_SIZE_UNIT
           envsubst < crates/collab/k8s/collab.template.yml | kubectl apply -f -
           kubectl -n "$ZED_KUBE_NAMESPACE" rollout status deployment/$ZED_SERVICE_NAME --watch
           echo "deployed ${ZED_SERVICE_NAME} to ${ZED_KUBE_NAMESPACE}"

.github/workflows/release_nightly.yml

@@ -32,8 +32,7 @@ jobs:
         uses: ./.github/actions/check_style
 
       - name: Run clippy
-        shell: bash -euxo pipefail {0}
-        run: script/clippy
+        run: cargo xtask clippy
   tests:
     name: Run tests
     if: github.repository_owner == 'zed-industries'
@@ -51,8 +50,8 @@ jobs:
       - name: Run tests
         uses: ./.github/actions/run_tests
 
-  bundle:
-    name: Bundle app
+  bundle-mac:
+    name: Create a macOS bundle
     if: github.repository_owner == 'zed-industries'
     runs-on:
       - self-hosted
@@ -78,9 +77,6 @@ jobs:
           clean: false
           submodules: "recursive"
 
-      - name: Limit target directory size
-        run: script/clear-target-dir-if-larger-than 100
-
       - name: Set release channel to nightly
         run: |
           set -eu
@@ -91,8 +87,50 @@ jobs:
       - name: Generate license file
         run: script/generate-licenses
 
-      - name: Create app bundle
-        run: script/bundle
+      - name: Create macOS app bundle
+        run: script/bundle-mac
 
       - name: Upload Zed Nightly
-        run: script/upload-nightly
+        run: script/upload-nightly macos
+
+  bundle-deb:
+    name: Create a *.deb Linux bundle
+    if: github.repository_owner == 'zed-industries'
+    runs-on: ubuntu-22.04 # keep the version fixed to avoid libc and dynamic linked library issues
+    needs: tests
+    env:
+      DIGITALOCEAN_SPACES_ACCESS_KEY: ${{ secrets.DIGITALOCEAN_SPACES_ACCESS_KEY }}
+      DIGITALOCEAN_SPACES_SECRET_KEY: ${{ secrets.DIGITALOCEAN_SPACES_SECRET_KEY }}
+      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          clean: false
+          submodules: "recursive"
+
+      - name: Cache dependencies
+        uses: swatinem/rust-cache@v2
+        with:
+          save-if: ${{ github.ref == 'refs/heads/main' }}
+
+      - name: Configure linux
+        shell: bash -euxo pipefail {0}
+        run: script/linux
+
+      - name: Set release channel to nightly
+        run: |
+          set -euo pipefail
+          version=$(git rev-parse --short HEAD)
+          echo "Publishing version: ${version} on release channel nightly"
+          echo "nightly" > crates/zed/RELEASE_CHANNEL
+
+      # TODO linux : find a way to add licenses to the final bundle
+      # - name: Generate license file
+      #   run: script/generate-licenses
+
+      - name: Create Linux *.deb bundle
+        run: script/bundle-linux
+
+      - name: Upload Zed Nightly
+        run: script/upload-nightly linux-deb

.gitignore

@@ -10,6 +10,7 @@
 /assets/*licenses.md
 **/venv
 .build
+*.wasm
 Packages
 *.xcodeproj
 xcuserdata/
@@ -22,3 +23,4 @@ DerivedData/
 .pytest_cache
 .venv
 .blob_store
+.vscode

Cargo.toml

@@ -23,6 +23,7 @@ members = [
     "crates/diagnostics",
     "crates/editor",
     "crates/extension",
+    "crates/extension_api",
     "crates/extensions_ui",
     "crates/feature_flags",
     "crates/feedback",
@@ -53,7 +54,6 @@ members = [
     "crates/picker",
     "crates/prettier",
     "crates/project",
-    "crates/project_core",
     "crates/project_panel",
     "crates/project_symbols",
     "crates/quick_action_bar",
@@ -89,8 +89,14 @@ members = [
     "crates/vim",
     "crates/welcome",
     "crates/workspace",
+    "crates/worktree",
     "crates/zed",
     "crates/zed_actions",
+
+    "extensions/gleam",
+    "extensions/uiua",
+
+    "tooling/xtask",
 ]
 default-members = ["crates/zed"]
 resolver = "2"
@@ -102,6 +108,7 @@ assets = { path = "crates/assets" }
 assistant = { path = "crates/assistant" }
 audio = { path = "crates/audio" }
 auto_update = { path = "crates/auto_update" }
+base64 = "0.13"
 breadcrumbs = { path = "crates/breadcrumbs" }
 call = { path = "crates/call" }
 channel = { path = "crates/channel" }
@@ -152,7 +159,7 @@ plugin = { path = "crates/plugin" }
 plugin_macros = { path = "crates/plugin_macros" }
 prettier = { path = "crates/prettier" }
 project = { path = "crates/project" }
-project_core = { path = "crates/project_core" }
+worktree = { path = "crates/worktree" }
 project_panel = { path = "crates/project_panel" }
 project_symbols = { path = "crates/project_symbols" }
 quick_action_bar = { path = "crates/quick_action_bar" }
@@ -191,33 +198,43 @@ zed_actions = { path = "crates/zed_actions" }
 
 anyhow = "1.0.57"
 async-compression = { version = "0.4", features = ["gzip", "futures-io"] }
+async-fs = "1.6"
+async-recursion = "1.0.0"
 async-tar = "0.4.2"
 async-trait = "0.1"
-blade-graphics = { git = "https://github.com/kvark/blade", rev = "e9d93a4d41f3946a03ffb76136290d6ccf7f2b80" }
-blade-macros = { git = "https://github.com/kvark/blade", rev = "e9d93a4d41f3946a03ffb76136290d6ccf7f2b80" }
+bitflags = "2.4.2"
+blade-graphics = { git = "https://github.com/kvark/blade", rev = "43721bf42d298b7cbee2195ee66f73a5f1c7b2fc" }
+blade-macros = { git = "https://github.com/kvark/blade", rev = "43721bf42d298b7cbee2195ee66f73a5f1c7b2fc" }
 blade-rwh = { package = "raw-window-handle", version = "0.5" }
+cap-std = "2.0"
 chrono = { version = "0.4", features = ["serde"] }
+clap = "4.4"
 clickhouse = { version = "0.11.6" }
 ctor = "0.2.6"
 core-foundation = { version = "0.9.3" }
 core-foundation-sys = "0.8.6"
 derive_more = "0.99.17"
+emojis = "0.6.1"
 env_logger = "0.9"
 futures = "0.3"
+futures-lite = "1.13"
 git2 = { version = "0.15", default-features = false }
 globset = "0.4"
 hex = "0.4.3"
 ignore = "0.4.22"
 indoc = "1"
 # We explicitly disable http2 support in isahc.
-isahc = { version = "1.7.2", default-features = false, features = ["static-curl", "text-decoding"] }
+isahc = { version = "1.7.2", default-features = false, features = [
+    "static-curl",
+    "text-decoding",
+] }
 itertools = "0.11.0"
 lazy_static = "1.4.0"
 linkify = "0.10.0"
 log = { version = "0.4.16", features = ["kv_unstable_serde"] }
 ordered-float = "2.1.1"
 palette = { version = "0.7.5", default-features = false, features = ["std"] }
-parking_lot = "0.11.1"
+parking_lot = "0.12.1"
 profiling = "1"
 postage = { version = "0.5", features = ["futures-traits"] }
 pretty_assertions = "1.3.0"
@@ -233,18 +250,26 @@ semver = "1.0"
 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"] }
-serde_json_lenient = { version = "0.1", features = ["preserve_order", "raw_value"] }
+serde_json_lenient = { version = "0.1", features = [
+    "preserve_order",
+    "raw_value",
+] }
 serde_repr = "0.1"
 sha2 = "0.10"
 shellexpand = "2.1.0"
 smallvec = { version = "1.6", features = ["union"] }
 smol = "1.2"
 strum = { version = "0.25.0", features = ["derive"] }
-sysinfo = "0.29.10"
+subtle = "2.5.0"
+sysinfo = "0.30.7"
 tempfile = "3.9.0"
 thiserror = "1.0.29"
 tiktoken-rs = "0.5.7"
-time = { version = "0.3", features = ["serde", "serde-well-known", "formatting"] }
+time = { version = "0.3", features = [
+    "serde",
+    "serde-well-known",
+    "formatting",
+] }
 toml = "0.8"
 tower-http = "0.4.4"
 tree-sitter = { version = "0.20", features = ["wasm"] }
@@ -261,7 +286,6 @@ tree-sitter-elixir = { git = "https://github.com/elixir-lang/tree-sitter-elixir"
 tree-sitter-elm = { git = "https://github.com/elm-tooling/tree-sitter-elm", rev = "692c50c0b961364c40299e73c1306aecb5d20f40" }
 tree-sitter-embedded-template = "0.20.0"
 tree-sitter-erlang = "0.4.0"
-tree-sitter-gitcommit = { git = "https://github.com/gbprod/tree-sitter-gitcommit" }
 tree-sitter-gleam = { git = "https://github.com/gleam-lang/tree-sitter-gleam", rev = "58b7cac8fc14c92b0677c542610d8738c373fa81" }
 tree-sitter-glsl = { git = "https://github.com/theHamsta/tree-sitter-glsl", rev = "2a56fb7bc8bb03a1892b4741279dd0a8758b7fb3" }
 tree-sitter-go = { git = "https://github.com/tree-sitter/tree-sitter-go", rev = "aeb2f33b366fd78d5789ff104956ce23508b85db" }
@@ -269,6 +293,7 @@ tree-sitter-gomod = { git = "https://github.com/camdencheek/tree-sitter-go-mod"
 tree-sitter-gowork = { git = "https://github.com/d1y/tree-sitter-go-work" }
 tree-sitter-haskell = { git = "https://github.com/tree-sitter/tree-sitter-haskell", rev = "8a99848fc734f9c4ea523b3f2a07df133cbbcec2" }
 tree-sitter-hcl = { git = "https://github.com/MichaHoffmann/tree-sitter-hcl", rev = "v1.1.0" }
+rustc-demangle = "0.1.23"
 tree-sitter-heex = { git = "https://github.com/phoenixframework/tree-sitter-heex", rev = "2e1348c3cf2c9323e87c2744796cf3f3868aa82a" }
 tree-sitter-html = "0.19.0"
 tree-sitter-json = { git = "https://github.com/tree-sitter/tree-sitter-json", rev = "40a81c01a40ac48744e0c8ccabbaba1920441199" }
@@ -289,17 +314,45 @@ tree-sitter-scheme = { git = "https://github.com/6cdh/tree-sitter-scheme", rev =
 tree-sitter-svelte = { git = "https://github.com/Himujjal/tree-sitter-svelte", rev = "bd60db7d3d06f89b6ec3b287c9a6e9190b5564bd" }
 tree-sitter-toml = { git = "https://github.com/tree-sitter/tree-sitter-toml", rev = "342d9be207c2dba869b9967124c679b5e6fd0ebe" }
 tree-sitter-typescript = { git = "https://github.com/tree-sitter/tree-sitter-typescript", rev = "5d20856f34315b068c41edaee2ac8a100081d259" }
-tree-sitter-uiua = { git = "https://github.com/shnarazk/tree-sitter-uiua", rev = "21dc2db39494585bf29a3f86d5add6e9d11a22ba" }
 tree-sitter-vue = { git = "https://github.com/zed-industries/tree-sitter-vue", rev = "6608d9d60c386f19d80af7d8132322fa11199c42" }
 tree-sitter-yaml = { git = "https://github.com/zed-industries/tree-sitter-yaml", rev = "f545a41f57502e1b5ddf2a6668896c1b0620f930" }
 tree-sitter-zig = { git = "https://github.com/maxxnino/tree-sitter-zig", rev = "0d08703e4c3f426ec61695d7617415fff97029bd" }
 unindent = "0.1.7"
+unicase = "2.6"
 url = "2.2"
 uuid = { version = "1.1.2", features = ["v4"] }
-wasmtime = "18.0"
+wasmparser = "0.121"
+wasm-encoder = "0.41"
+wasmtime = { version = "18.0", default-features = false, features = ["async", "demangle", "runtime", "cranelift", "component-model"] }
+wasmtime-wasi = "18.0"
 which = "6.0.0"
+wit-component = "0.20"
 sys-locale = "0.3.1"
 
+[workspace.dependencies.windows]
+version = "0.53.0"
+features = [
+    "implement",
+    "Wdk_System_SystemServices",
+    "Win32_Graphics_Gdi",
+    "Win32_Graphics_DirectComposition",
+    "Win32_UI_Controls",
+    "Win32_UI_WindowsAndMessaging",
+    "Win32_UI_Input_KeyboardAndMouse",
+    "Win32_UI_Shell",
+    "Win32_System_Com",
+    "Win32_System_SystemInformation",
+    "Win32_System_SystemServices",
+    "Win32_System_Time",
+    "Win32_Security",
+    "Win32_System_Com",
+    "Win32_System_Com_StructuredStorage",
+    "Win32_System_Threading",
+    "Win32_System_DataExchange",
+    "Win32_System_Ole",
+    "Win32_System_Com",
+]
+
 [patch.crates-io]
 tree-sitter = { git = "https://github.com/tree-sitter/tree-sitter", rev = "e4a23971ec3071a09c1e84816954c98f96e98e52" }
 # Workaround for a broken nightly build of gpui: See #7644 and revisit once 0.5.3 is released.
@@ -309,7 +362,7 @@ pathfinder_simd = { git = "https://github.com/servo/pathfinder.git", rev = "e4fc
 split-debuginfo = "unpacked"
 debug = "limited"
 
-# todo!(linux) - Remove this
+# todo(linux) - Remove this
 [profile.dev.package.blade-graphics]
 split-debuginfo = "off"
 debug = "full"
@@ -317,6 +370,8 @@ debug = "full"
 [profile.dev.package]
 taffy = { opt-level = 3 }
 cranelift-codegen = { opt-level = 3 }
+rustybuzz = { opt-level = 3 }
+ttf-parser = { opt-level = 3 }
 wasmtime-cranelift = { opt-level = 3 }
 
 [profile.release]
@@ -324,5 +379,40 @@ debug = "limited"
 lto = "thin"
 codegen-units = 1
 
+[workspace.lints.clippy]
+dbg_macro = "deny"
+todo = "deny"
+
+# These are all of the rules that currently have violations in the Zed
+# codebase.
+#
+# We'll want to drive this list down by either:
+# 1. fixing violations of the rule and begin enforcing it
+# 2. deciding we want to allow the rule permanently, at which point
+#    we should codify that separately above.
+#
+# This list shouldn't be added to; it should only get shorter.
+# =============================================================================
+
+# There are a bunch of rules currently failing in the `style` group, so
+# allow all of those, for now.
+style = "allow"
+
+# Individual rules that have violations in the codebase:
+almost_complete_range = "allow"
+arc_with_non_send_sync = "allow"
+await_holding_lock = "allow"
+borrowed_box = "allow"
+derive_ord_xor_partial_ord = "allow"
+eq_op = "allow"
+let_underscore_future = "allow"
+map_entry = "allow"
+never_loop = "allow"
+non_canonical_clone_impl = "allow"
+non_canonical_partial_ord_impl = "allow"
+reversed_empty_ranges = "allow"
+single_range_in_vec_init = "allow"
+type_complexity = "allow"
+
 [workspace.metadata.cargo-machete]
 ignored = ["bindgen", "cbindgen", "prost_build", "serde"]

Dockerfile

@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust:1.76-bullseye as builder
+FROM rust:1.76-bookworm as builder
 WORKDIR app
 COPY . .
 
@@ -20,9 +20,10 @@ RUN --mount=type=cache,target=./target \
     cp /app/target/release/collab /app/collab
 
 # Copy collab server binary to the runtime image
-FROM debian:bullseye-slim as runtime
+FROM debian:bookworm-slim as runtime
 RUN apt-get update; \
-    apt-get install -y --no-install-recommends libcurl4-openssl-dev ca-certificates
+    apt-get install -y --no-install-recommends libcurl4-openssl-dev ca-certificates \
+    linux-perf binutils
 WORKDIR app
 COPY --from=builder /app/collab /app/collab
 COPY --from=builder /app/crates/collab/migrations /app/migrations

Procfile

@@ -1,3 +1,3 @@
 collab: RUST_LOG=${RUST_LOG:-warn,tower_http=info,collab=info} cargo run --package=collab serve
 livekit: livekit-server --dev
-blob_store: MINIO_ROOT_USER=the-blob-store-access-key MINIO_ROOT_PASSWORD=the-blob-store-secret-key minio server .blob_store
+blob_store: ./script/run-local-minio

README.md

@@ -10,7 +10,7 @@ You can [download](https://zed.dev/download) Zed today for macOS (v10.15+).
 
 Support for additional platforms is on our [roadmap](https://zed.dev/roadmap):
 
-- Linux ([tracking issue](https://github.com/zed-industries/zed/issues/5395))
+- Linux ([tracking issue](https://github.com/zed-industries/zed/issues/7015))
 - Windows ([tracking issue](https://github.com/zed-industries/zed/issues/5394))
 - Web ([tracking issue](https://github.com/zed-industries/zed/issues/5396))
 
@@ -23,6 +23,7 @@ brew install zed
 
 - [Building Zed for macOS](./docs/src/developing_zed__building_zed_macos.md)
 - [Building Zed for Linux](./docs/src/developing_zed__building_zed_linux.md)
+- [Building Zed for Windows](./docs/src/developing_zed__building_zed_windows.md)
 - [Running Collaboration Locally](./docs/src/developing_zed__local_collaboration.md)
 
 ## Contributing

assets/icons/file_icons/bun.svg

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+</g>
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assets/icons/file_icons/css.svg

@@ -1,4 +1,6 @@
-<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
-<svg fill="#000000" width="800px" height="800px" viewBox="0 0 32 32" version="1.1" xmlns="http://www.w3.org/2000/svg">
-<path d="M24.235 6.519l-16.47-0.004 0.266 3.277 12.653 0.002-0.319 3.394h-8.298l0.3 3.215h7.725l-0.457 4.403-3.636 1.005-3.694-1.012-0.235-2.637h-3.262l0.362 4.817 6.829 2.128 6.714-1.912 1.521-16.675zM2.879 1.004h26.242l-2.387 26.946-10.763 3.045-10.703-3.047z"></path>
-</svg>
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="14px" height="14px" viewBox="0 0 14 14" version="1.1">
+<g id="surface1">
+<path style=" stroke:none;fill-rule:nonzero;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 10.601562 2.851562 L 3.398438 2.851562 L 3.511719 4.285156 L 9.050781 4.285156 L 8.910156 5.769531 L 5.28125 5.769531 L 5.410156 7.175781 L 8.789062 7.175781 L 8.589844 9.101562 L 7 9.542969 L 5.382812 9.097656 L 5.28125 7.945312 L 3.851562 7.945312 L 4.011719 10.054688 L 7 10.984375 L 9.9375 10.148438 Z M 1.257812 0.4375 L 12.742188 0.4375 L 11.695312 12.226562 L 6.988281 13.558594 L 2.304688 12.226562 Z M 1.257812 0.4375 "/>
+</g>
+</svg>

assets/icons/file_icons/erlang.svg

@@ -1 +1,12 @@
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+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="14px" height="14px" viewBox="0 0 14 14" version="1.1">
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+<stop offset="1" style="stop-color:rgb(36.470588%,36.470588%,36.470588%);stop-opacity:1;"/>
+</linearGradient>
+</defs>
+<g id="surface1">
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+</g>
+</svg>

assets/icons/file_icons/file_types.json

@@ -27,6 +27,7 @@
     "css": "css",
     "csv": "storage",
     "cts": "typescript",
+    "coffee": "coffeescript",
     "dart": "dart",
     "dat": "storage",
     "db": "storage",
@@ -48,6 +49,7 @@
     "fmp": "storage",
     "fp7": "storage",
     "frm": "storage",
+    "fs": "fsharp",
     "gdb": "storage",
     "gif": "image",
     "gitattributes": "vcs",
@@ -104,6 +106,7 @@
     "myd": "storage",
     "myi": "storage",
     "nu": "terminal",
+    "nim": "nim",
     "odp": "document",
     "ods": "document",
     "odt": "document",
@@ -138,6 +141,9 @@
     "sqlite": "storage",
     "svelte": "template",
     "svg": "image",
+    "sc": "scala",
+    "scala": "scala",
+    "sql": "storage",
     "swift": "swift",
     "tf": "terraform",
     "tfvars": "terraform",
@@ -148,6 +154,7 @@
     "ttf": "font",
     "tsx": "code",
     "txt": "document",
+    "tcl": "tcl",
     "vue": "vue",
     "wav": "audio",
     "webm": "video",
@@ -189,6 +196,9 @@
     "css": {
       "icon": "icons/file_icons/css.svg"
     },
+    "coffeescript": {
+      "icon": "icons/file_icons/coffeescript.svg"
+    },
     "dart": {
       "icon": "icons/file_icons/dart.svg"
     },
@@ -222,6 +232,9 @@
     "font": {
       "icon": "icons/file_icons/font.svg"
     },
+    "fsharp": {
+      "icon": "icons/file_icons/fsharp.svg"
+    },
     "haskell": {
       "icon": "icons/file_icons/haskell.svg"
     },
@@ -258,6 +271,9 @@
     "ocaml": {
       "icon": "icons/file_icons/ocaml.svg"
     },
+    "nim": {
+      "icon": "icons/file_icons/nim.svg"
+    },
     "phoenix": {
       "icon": "icons/file_icons/phoenix.svg"
     },
@@ -288,6 +304,9 @@
     "storage": {
       "icon": "icons/file_icons/database.svg"
     },
+    "scala": {
+      "icon": "icons/file_icons/scala.svg"
+    },
     "swift": {
       "icon": "icons/file_icons/swift.svg"
     },
@@ -306,6 +325,9 @@
     "typescript": {
       "icon": "icons/file_icons/typescript.svg"
     },
+    "tcl": {
+      "icon": "icons/file_icons/tcl.svg"
+    },  
     "vcs": {
       "icon": "icons/file_icons/git.svg"
     },

assets/icons/file_icons/fsharp.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="14px" height="14px" viewBox="0 0 14 14" version="1.1">
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+<path style=" stroke:none;fill-rule:nonzero;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 11.214844 0.015625 C 11.214844 1.125 5.859375 1.976562 2.785156 2.179688 L 2.785156 5.335938 C 4.082031 5.421875 5.789062 5.628906 7.324219 5.917969 C 5.789062 6.207031 4.082031 6.410156 2.785156 6.492188 L 2.785156 9.648438 C 4.082031 9.734375 5.785156 9.9375 7.320312 10.226562 C 5.785156 10.515625 4.082031 10.71875 2.785156 10.804688 L 2.785156 13.988281 L 4.308594 13.765625 C 7.152344 13.339844 10.285156 12.53125 11.214844 11.820312 L 11.214844 8.632812 C 11.214844 8.433594 10.851562 8.21875 10.265625 8 C 10.675781 7.832031 11.003906 7.667969 11.214844 7.507812 L 11.214844 4.324219 C 11.214844 4.125 10.855469 3.90625 10.277344 3.6875 C 10.683594 3.523438 11.003906 3.355469 11.214844 3.195312 Z M 10.269531 8.339844 C 10.6875 8.503906 10.839844 8.617188 10.890625 8.664062 C 10.855469 8.734375 10.726562 8.871094 10.359375 9.050781 C 10.300781 9.078125 10.238281 9.105469 10.183594 9.128906 C 9.550781 9.402344 8.570312 9.667969 7.320312 9.90625 C 6.707031 9.792969 6.046875 9.6875 5.382812 9.597656 C 7.25 9.261719 9.09375 8.796875 10.269531 8.339844 Z M 10.277344 4.027344 C 10.691406 4.195312 10.839844 4.308594 10.890625 4.355469 C 10.863281 4.40625 10.78125 4.5 10.578125 4.625 L 10.574219 4.625 C 10.535156 4.648438 10.488281 4.675781 10.441406 4.699219 C 9.839844 5.011719 8.765625 5.324219 7.335938 5.59375 C 6.71875 5.480469 6.058594 5.375 5.394531 5.285156 C 7.269531 4.953125 9.097656 4.492188 10.277344 4.027344 Z M 10.277344 4.027344 "/>
+</g>
+</svg>

assets/icons/file_icons/tcl.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="14px" height="14px" viewBox="0 0 14 14" version="1.1">
+<g id="surface1">
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+</g>
+</svg>

assets/icons/file_icons/terraform.svg

@@ -1,6 +1,9 @@
-<svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path fill-rule="evenodd" clip-rule="evenodd" d="M12.5066 8.01531L19.2375 12.1073V20.2894L12.5066 16.1992V8.01531Z" fill="black"/>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M20.0294 12.1073V20.2894L27.1563 16.1992V8.01531L20.0294 12.1073Z" fill="black"/>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M4.58781 3.66V11.5787L11.7147 15.5381V7.61937L4.58781 3.66Z" fill="black"/>
-<path fill-rule="evenodd" clip-rule="evenodd" d="M12.5066 25.04L19.2375 29V21.1348V21.0818L12.5066 17.1219V25.04Z" fill="black"/>
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="14px" height="14px" viewBox="0 0 14 14" version="1.1">
+<g id="surface1">
+<path style=" stroke:none;fill-rule:evenodd;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 5.472656 3.507812 L 8.417969 5.296875 L 8.417969 8.875 L 5.472656 7.085938 Z M 5.472656 3.507812 "/>
+<path style=" stroke:none;fill-rule:evenodd;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 8.761719 5.296875 L 8.761719 8.875 L 11.882812 7.085938 L 11.882812 3.507812 Z M 8.761719 5.296875 "/>
+<path style=" stroke:none;fill-rule:evenodd;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 2.007812 1.601562 L 2.007812 5.066406 L 5.125 6.796875 L 5.125 3.332031 Z M 2.007812 1.601562 "/>
+<path style=" stroke:none;fill-rule:evenodd;fill:rgb(0%,0%,0%);fill-opacity:1;" d="M 5.472656 10.953125 L 8.417969 12.6875 L 8.417969 9.222656 L 5.472656 7.492188 Z M 5.472656 10.953125 "/>
+</g>
 </svg>

assets/icons/reply_arrow.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M20 17V15.8C20 14.1198 20 13.2798 19.673 12.638C19.3854 12.0735 18.9265 11.6146 18.362 11.327C17.7202 11 16.8802 11 15.2 11H4M4 11L8 7M4 11L8 15" stroke="#000000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

assets/keymaps/default-linux.json

@@ -16,6 +16,7 @@
       "ctrl-enter": "menu::SecondaryConfirm",
       "escape": "menu::Cancel",
       "ctrl-c": "menu::Cancel",
+      "shift-enter": "menu::UseSelectedQuery",
       "ctrl-shift-w": "workspace::CloseWindow",
       "shift-escape": "workspace::ToggleZoom",
       "ctrl-o": "workspace::Open",
@@ -72,7 +73,7 @@
       "ctrl-n": "editor::MoveDown",
       "ctrl-b": "editor::MoveLeft",
       "ctrl-f": "editor::MoveRight",
-      "ctrl-shift-l": "editor::NextScreen", // todo!(linux): What is this
+      "ctrl-shift-l": "editor::NextScreen", // todo(linux): What is this
       "alt-left": "editor::MoveToPreviousWordStart",
       "alt-b": "editor::MoveToPreviousWordStart",
       "alt-right": "editor::MoveToNextWordEnd",
@@ -116,7 +117,9 @@
         {
           "stop_at_soft_wraps": true
         }
-      ]
+      ],
+      "ctrl-;": "editor::ToggleLineNumbers",
+      "ctrl-alt-z": "editor::RevertSelectedHunks"
     }
   },
   {
@@ -133,10 +136,21 @@
           "focus": true
         }
       ],
-      "alt-\\": "copilot::Suggest",
+      "ctrl->": "assistant::QuoteSelection"
+    }
+  },
+  {
+    "context": "Editor && mode == full && copilot_suggestion",
+    "bindings": {
       "alt-]": "copilot::NextSuggestion",
       "alt-[": "copilot::PreviousSuggestion",
-      "ctrl->": "assistant::QuoteSelection"
+      "alt-right": "editor::AcceptPartialCopilotSuggestion"
+    }
+  },
+  {
+    "context": "Editor && !copilot_suggestion",
+    "bindings": {
+      "alt-\\": "copilot::Suggest"
     }
   },
   {
@@ -341,10 +355,18 @@
   {
     "context": "Workspace",
     "bindings": {
+      // Change the default action on `menu::Confirm` by setting the parameter
+      // "alt-cmd-o": [
+      //     "projects::OpenRecent",
+      //     {
+      //         "create_new_window": true
+      //     }
+      // ]
       "ctrl-alt-o": "projects::OpenRecent",
       "ctrl-alt-b": "branches::OpenRecent",
       "ctrl-~": "workspace::NewTerminal",
       "ctrl-s": "workspace::Save",
+      "ctrl-k s": "workspace::SaveWithoutFormat",
       "ctrl-shift-s": "workspace::SaveAs",
       "ctrl-n": "workspace::NewFile",
       "ctrl-shift-n": "workspace::NewWindow",
@@ -387,7 +409,7 @@
     }
   },
   // Bindings from Sublime Text
-  // todo!(linux) make sure these match linux bindings or remove above comment?
+  // todo(linux) make sure these match linux bindings or remove above comment?
   {
     "context": "Editor",
     "bindings": {
@@ -411,7 +433,7 @@
     }
   },
   // Bindings from Atom
-  // todo!(linux) make sure these match linux bindings or remove above comment?
+  // todo(linux) make sure these match linux bindings or remove above comment?
   {
     "context": "Pane",
     "bindings": {
@@ -466,6 +488,7 @@
     "context": "Editor && mode == full",
     "bindings": {
       "alt-enter": "editor::OpenExcerpts",
+      "ctrl-k enter": "editor::OpenExcerptsSplit",
       "ctrl-f8": "editor::GoToHunk",
       "ctrl-shift-f8": "editor::GoToPrevHunk",
       "ctrl-enter": "assistant::InlineAssist"

assets/keymaps/default-macos.json

@@ -17,6 +17,7 @@
       "cmd-enter": "menu::SecondaryConfirm",
       "escape": "menu::Cancel",
       "ctrl-c": "menu::Cancel",
+      "shift-enter": "menu::UseSelectedQuery",
       "cmd-shift-w": "workspace::CloseWindow",
       "shift-escape": "workspace::ToggleZoom",
       "cmd-o": "workspace::Open",
@@ -48,6 +49,7 @@
       "cmd-backspace": "editor::DeleteToBeginningOfLine",
       "cmd-delete": "editor::DeleteToEndOfLine",
       "alt-backspace": "editor::DeleteToPreviousWordStart",
+      "ctrl-w": "editor::DeleteToPreviousWordStart",
       "alt-delete": "editor::DeleteToNextWordEnd",
       "alt-h": "editor::DeleteToPreviousWordStart",
       "alt-d": "editor::DeleteToNextWordEnd",
@@ -150,7 +152,9 @@
           "center_cursor": true
         }
       ],
-      "ctrl-cmd-space": "editor::ShowCharacterPalette"
+      "ctrl-cmd-space": "editor::ShowCharacterPalette",
+      "cmd-;": "editor::ToggleLineNumbers",
+      "cmd-alt-z": "editor::RevertSelectedHunks"
     }
   },
   {
@@ -173,10 +177,21 @@
           "focus": false
         }
       ],
-      "alt-\\": "copilot::Suggest",
+      "cmd->": "assistant::QuoteSelection"
+    }
+  },
+  {
+    "context": "Editor && mode == full && copilot_suggestion",
+    "bindings": {
       "alt-]": "copilot::NextSuggestion",
       "alt-[": "copilot::PreviousSuggestion",
-      "cmd->": "assistant::QuoteSelection"
+      "alt-right": "editor::AcceptPartialCopilotSuggestion"
+    }
+  },
+  {
+    "context": "Editor && !copilot_suggestion",
+    "bindings": {
+      "alt-\\": "copilot::Suggest"
     }
   },
   {
@@ -301,6 +316,18 @@
       "cmd-ctrl-p": "editor::AddSelectionAbove",
       "cmd-alt-down": "editor::AddSelectionBelow",
       "cmd-ctrl-n": "editor::AddSelectionBelow",
+      "cmd-shift-k": "editor::DeleteLine",
+      "alt-up": "editor::MoveLineUp",
+      "alt-down": "editor::MoveLineDown",
+      "alt-shift-up": [
+        "editor::DuplicateLine",
+        {
+          "move_upwards": true
+        }
+      ],
+      "alt-shift-down": "editor::DuplicateLine",
+      "ctrl-shift-right": "editor::SelectLargerSyntaxNode",
+      "ctrl-shift-left": "editor::SelectSmallerSyntaxNode",
       "cmd-d": [
         "editor::SelectNext",
         {
@@ -333,8 +360,6 @@
           "advance_downwards": false
         }
       ],
-      "alt-up": "editor::SelectLargerSyntaxNode",
-      "alt-down": "editor::SelectSmallerSyntaxNode",
       "cmd-u": "editor::UndoSelection",
       "cmd-shift-u": "editor::RedoSelection",
       "f8": "editor::GoToDiagnostic",
@@ -383,10 +408,18 @@
   {
     "context": "Workspace",
     "bindings": {
+      // Change the default action on `menu::Confirm` by setting the parameter
+      // "alt-cmd-o": [
+      //     "projects::OpenRecent",
+      //     {
+      //         "create_new_window": true
+      //     }
+      // ]
       "alt-cmd-o": "projects::OpenRecent",
       "alt-cmd-b": "branches::OpenRecent",
       "ctrl-~": "workspace::NewTerminal",
       "cmd-s": "workspace::Save",
+      "cmd-k s": "workspace::SaveWithoutFormat",
       "cmd-shift-s": "workspace::SaveAs",
       "cmd-n": "workspace::NewFile",
       "cmd-shift-n": "workspace::NewWindow",
@@ -405,8 +438,8 @@
       "cmd-j": "workspace::ToggleBottomDock",
       "alt-cmd-y": "workspace::CloseAllDocks",
       "cmd-shift-f": "pane::DeploySearch",
-      "cmd-k cmd-t": "theme_selector::Toggle",
       "cmd-k cmd-s": "zed::OpenKeymap",
+      "cmd-k cmd-t": "theme_selector::Toggle",
       "cmd-t": "project_symbols::Toggle",
       "cmd-p": "file_finder::Toggle",
       "cmd-shift-p": "command_palette::Toggle",
@@ -432,11 +465,7 @@
   {
     "context": "Editor",
     "bindings": {
-      "ctrl-shift-k": "editor::DeleteLine",
-      "cmd-shift-d": "editor::DuplicateLine",
       "ctrl-j": "editor::JoinLines",
-      "ctrl-cmd-up": "editor::MoveLineUp",
-      "ctrl-cmd-down": "editor::MoveLineDown",
       "ctrl-alt-backspace": "editor::DeleteToPreviousSubwordStart",
       "ctrl-alt-h": "editor::DeleteToPreviousSubwordStart",
       "ctrl-alt-delete": "editor::DeleteToNextSubwordEnd",
@@ -506,6 +535,7 @@
     "context": "Editor && mode == full",
     "bindings": {
       "alt-enter": "editor::OpenExcerpts",
+      "cmd-k enter": "editor::OpenExcerptsSplit",
       "cmd-f8": "editor::GoToHunk",
       "cmd-shift-f8": "editor::GoToPrevHunk",
       "ctrl-enter": "assistant::InlineAssist"

assets/keymaps/jetbrains.json

@@ -39,6 +39,8 @@
           "advance_downwards": true
         }
       ],
+      "alt-up": "editor::SelectLargerSyntaxNode",
+      "alt-down": "editor::SelectSmallerSyntaxNode",
       "shift-alt-up": "editor::MoveLineUp",
       "shift-alt-down": "editor::MoveLineDown",
       "cmd-alt-l": "editor::Format",

assets/keymaps/vim.json

@@ -37,30 +37,42 @@
       "_": "vim::StartOfLineDownward",
       "g _": "vim::EndOfLineDownward",
       "shift-g": "vim::EndOfDocument",
-      "w": "vim::NextWordStart",
       "{": "vim::StartOfParagraph",
       "}": "vim::EndOfParagraph",
       "|": "vim::GoToColumn",
+
+      // Word motions
+      "w": "vim::NextWordStart",
+      "e": "vim::NextWordEnd",
+      "b": "vim::PreviousWordStart",
+      "g e": "vim::PreviousWordEnd",
+
+      // Subword motions
+      // "w": "vim::NextSubwordStart",
+      // "b": "vim::PreviousSubwordStart",
+      // "e": "vim::NextSubwordEnd",
+      // "g e": "vim::PreviousSubwordEnd",
+
       "shift-w": [
         "vim::NextWordStart",
         {
           "ignorePunctuation": true
         }
       ],
-      "e": "vim::NextWordEnd",
       "shift-e": [
         "vim::NextWordEnd",
         {
           "ignorePunctuation": true
         }
       ],
-      "b": "vim::PreviousWordStart",
       "shift-b": [
         "vim::PreviousWordStart",
         {
           "ignorePunctuation": true
         }
       ],
+      "g shift-e": ["vim::PreviousWordEnd", { "ignorePunctuation": true }],
+
       "n": "search::SelectNextMatch",
       "shift-n": "search::SelectPrevMatch",
       "%": "vim::Matching",
@@ -117,8 +129,6 @@
       "ctrl-e": "vim::LineDown",
       "ctrl-y": "vim::LineUp",
       // "g" commands
-      "g e": "vim::PreviousWordEnd",
-      "g shift-e": ["vim::PreviousWordEnd", { "ignorePunctuation": true }],
       "g g": "vim::StartOfDocument",
       "g h": "editor::Hover",
       "g t": "pane::ActivateNextItem",
@@ -218,6 +228,7 @@
       // z commands
       "z t": "editor::ScrollCursorTop",
       "z z": "editor::ScrollCursorCenter",
+      "z .": ["workspace::SendKeystrokes", "z z ^"],
       "z b": "editor::ScrollCursorBottom",
       "z c": "editor::Fold",
       "z o": "editor::UnfoldLines",
@@ -288,6 +299,13 @@
       "ctrl-w ctrl-o": "workspace::CloseInactiveTabsAndPanes",
       "ctrl-w n": ["workspace::NewFileInDirection", "Up"],
       "ctrl-w ctrl-n": ["workspace::NewFileInDirection", "Up"],
+
+      "ctrl-w d": "editor::GoToDefinitionSplit",
+      "ctrl-w g d": "editor::GoToDefinitionSplit",
+      "ctrl-w shift-d": "editor::GoToTypeDefinitionSplit",
+      "ctrl-w g shift-d": "editor::GoToTypeDefinitionSplit",
+      "ctrl-w space": "editor::OpenExcerptsSplit",
+      "ctrl-w g space": "editor::OpenExcerptsSplit",
       "-": "pane::RevealInProjectPanel"
     }
   },
@@ -345,7 +363,9 @@
       "> >": "vim::Indent",
       "< <": "vim::Outdent",
       "ctrl-pagedown": "pane::ActivateNextItem",
-      "ctrl-pageup": "pane::ActivatePrevItem"
+      "ctrl-pageup": "pane::ActivatePrevItem",
+      "[ x": "editor::SelectLargerSyntaxNode",
+      "] x": "editor::SelectSmallerSyntaxNode"
     }
   },
   {
@@ -385,6 +405,7 @@
       ],
       "t": "vim::Tag",
       "s": "vim::Sentence",
+      "p": "vim::Paragraph",
       "'": "vim::Quotes",
       "`": "vim::BackQuotes",
       "\"": "vim::DoubleQuotes",

assets/settings/default.json

@@ -140,6 +140,15 @@
     // Whether to show diagnostic indicators in the scrollbar.
     "diagnostics": true
   },
+  // What to do when multibuffer is double clicked in some of its excerpts
+  // (parts of singleton buffers).
+  // May take 2 values:
+  //  1. Behave as a regular buffer and select the whole word (default).
+  //         "double_click_in_multibuffer": "select"
+  //  2. Open the excerpt clicked as a new buffer in the new tab.
+  //         "double_click_in_multibuffer": "open",
+  // For the case of "open", regular selection behavior can be achieved by holding `alt` when double clicking.
+  "double_click_in_multibuffer": "select",
   "gutter": {
     // Whether to show line numbers in the gutter.
     "line_numbers": true,
@@ -148,7 +157,7 @@
     // Whether to show fold buttons in the gutter.
     "folds": true
   },
-  // The number of lines to keep above/below the cursor when scrolling.
+  // The number of lines to keep above/below the cursor when moving the cursor.
   "vertical_scroll_margin": 3,
   "relative_line_numbers": false,
   // When to populate a new search's query based on the text under the cursor.
@@ -180,7 +189,7 @@
   "project_panel": {
     // Default width of the project panel.
     "default_width": 240,
-    // Where to dock project panel. Can be 'left' or 'right'.
+    // Where to dock the project panel. Can be 'left' or 'right'.
     "dock": "left",
     // Whether to show file icons in the project panel.
     "file_icons": true,
@@ -198,45 +207,64 @@
   "collaboration_panel": {
     // Whether to show the collaboration panel button in the status bar.
     "button": true,
-    // Where to dock channels panel. Can be 'left' or 'right'.
+    // Where to dock the collaboration panel. Can be 'left' or 'right'.
     "dock": "left",
-    // Default width of the channels panel.
+    // Default width of the collaboration panel.
     "default_width": 240
   },
   "chat_panel": {
-    // Whether to show the collaboration panel button in the status bar.
+    // Whether to show the chat panel button in the status bar.
     "button": true,
-    // Where to dock channels panel. Can be 'left' or 'right'.
+    // Where to the chat panel. Can be 'left' or 'right'.
     "dock": "right",
-    // Default width of the channels panel.
+    // Default width of the chat panel.
     "default_width": 240
   },
+  "message_editor": {
+    // Whether to automatically replace emoji shortcodes with emoji characters.
+    // For example: typing `:wave:` gets replaced with `👋`.
+    "auto_replace_emoji_shortcode": true
+  },
   "notification_panel": {
-    // Whether to show the collaboration panel button in the status bar.
+    // Whether to show the notification panel button in the status bar.
     "button": true,
-    // Where to dock channels panel. Can be 'left' or 'right'.
+    // Where to dock the notification panel. Can be 'left' or 'right'.
     "dock": "right",
-    // Default width of the channels panel.
+    // Default width of the notification panel.
     "default_width": 380
   },
   "assistant": {
     // Whether to show the assistant panel button in the status bar.
     "button": true,
-    // Where to dock the assistant. Can be 'left', 'right' or 'bottom'.
+    // Where to dock the assistant panel. Can be 'left', 'right' or 'bottom'.
     "dock": "right",
     // Default width when the assistant is docked to the left or right.
     "default_width": 640,
     // Default height when the assistant is docked to the bottom.
     "default_height": 320,
+    // Deprecated: Please use `provider.api_url` instead.
     // The default OpenAI API endpoint to use when starting new conversations.
     "openai_api_url": "https://api.openai.com/v1",
+    // Deprecated: Please use `provider.default_model` instead.
     // The default OpenAI model to use when starting new conversations. This
     // setting can take three values:
     //
     // 1. "gpt-3.5-turbo-0613""
     // 2. "gpt-4-0613""
     // 3. "gpt-4-1106-preview"
-    "default_open_ai_model": "gpt-4-1106-preview"
+    "default_open_ai_model": "gpt-4-1106-preview",
+    "provider": {
+      "type": "openai",
+      // The default OpenAI API endpoint to use when starting new conversations.
+      "api_url": "https://api.openai.com/v1",
+      // The default OpenAI model to use when starting new conversations. This
+      // setting can take three values:
+      //
+      // 1. "gpt-3.5-turbo-0613""
+      // 2. "gpt-4-0613""
+      // 3. "gpt-4-1106-preview"
+      "default_model": "gpt-4-1106-preview"
+    }
   },
   // Whether the screen sharing icon is shown in the os status bar.
   "show_call_status_icon": true,
@@ -458,6 +486,10 @@
         // Can also be 'csh', 'fish', and `nushell`
         "activate_script": "default"
       }
+    },
+    "toolbar": {
+      // Whether to display the terminal title in its toolbar.
+      "title": true
     }
     // Set the terminal's font size. If this option is not included,
     // the terminal will default to matching the buffer's font size.
@@ -572,7 +604,8 @@
   // Vim settings
   "vim": {
     "use_system_clipboard": "always",
-    "use_multiline_find": false
+    "use_multiline_find": false,
+    "use_smartcase_find": false
   },
   // The server to connect to. If the environment variable
   // ZED_SERVER_URL is set, it will override this setting.

assets/settings/initial_tasks.json

@@ -4,9 +4,7 @@
 [
   {
     "label": "Example task",
-    "command": "bash",
-    // rest of the parameters are optional
-    "args": ["-c", "for i in {1..5}; do echo \"Hello $i/5\"; sleep 1; done"],
+    "command": "for i in {1..5}; do echo \"Hello $i/5\"; sleep 1; done",
     // Env overrides for the command, will be appended to the terminal's environment from the settings.
     "env": { "foo": "bar" },
     // Current working directory to spawn the command into, defaults to current project root.

assets/themes/rose_pine/rose_pine.json

@@ -77,7 +77,7 @@
         "terminal.ansi.green": "#5cc1a3ff",
         "terminal.ansi.bright_green": "#31614fff",
         "terminal.ansi.dim_green": "#b3e1d1ff",
-        "terminal.ansi.yellow": "#f5c177ff",
+        "terminal.ansi.yellow": "#f6c177ff",
         "terminal.ansi.bright_yellow": "#8a643aff",
         "terminal.ansi.dim_yellow": "#fedfbbff",
         "terminal.ansi.blue": "#9bced6ff",
@@ -93,7 +93,7 @@
         "terminal.ansi.bright_white": "#e0def4ff",
         "terminal.ansi.dim_white": "#514e68ff",
         "link_text.hover": "#9bced6ff",
-        "conflict": "#f5c177ff",
+        "conflict": "#f6c177ff",
         "conflict.background": "#50331aff",
         "conflict.border": "#6d4d2bff",
         "created": "#5cc1a3ff",
@@ -117,7 +117,7 @@
         "info": "#9bced6ff",
         "info.background": "#2f3639ff",
         "info.border": "#435255ff",
-        "modified": "#f5c177ff",
+        "modified": "#f6c177ff",
         "modified.background": "#50331aff",
         "modified.border": "#6d4d2bff",
         "predictive": "#556b81ff",
@@ -132,7 +132,7 @@
         "unreachable": "#74708dff",
         "unreachable.background": "#292738ff",
         "unreachable.border": "#423f55ff",
-        "warning": "#f5c177ff",
+        "warning": "#f6c177ff",
         "warning.background": "#50331aff",
         "warning.border": "#6d4d2bff",
         "players": [
@@ -167,9 +167,9 @@
             "selection": "#ea6e923d"
           },
           {
-            "cursor": "#f5c177ff",
-            "background": "#f5c177ff",
-            "selection": "#f5c1773d"
+            "cursor": "#f6c177ff",
+            "background": "#f6c177ff",
+            "selection": "#f6c1773d"
           },
           {
             "cursor": "#5cc1a3ff",
@@ -319,7 +319,7 @@
             "font_weight": null
           },
           "string": {
-            "color": "#f5c177ff",
+            "color": "#f6c177ff",
             "font_style": null,
             "font_weight": null
           },
@@ -354,7 +354,7 @@
             "font_weight": null
           },
           "title": {
-            "color": "#f5c177ff",
+            "color": "#f6c177ff",
             "font_style": null,
             "font_weight": 700
           },
@@ -835,7 +835,7 @@
         "terminal.ansi.green": "#5cc1a3ff",
         "terminal.ansi.bright_green": "#31614fff",
         "terminal.ansi.dim_green": "#b3e1d1ff",
-        "terminal.ansi.yellow": "#f5c177ff",
+        "terminal.ansi.yellow": "#f6c177ff",
         "terminal.ansi.bright_yellow": "#8a643aff",
         "terminal.ansi.dim_yellow": "#fedfbbff",
         "terminal.ansi.blue": "#9bced6ff",
@@ -851,7 +851,7 @@
         "terminal.ansi.bright_white": "#e0def4ff",
         "terminal.ansi.dim_white": "#74708dff",
         "link_text.hover": "#9bced6ff",
-        "conflict": "#f5c177ff",
+        "conflict": "#f6c177ff",
         "conflict.background": "#50331aff",
         "conflict.border": "#6d4d2bff",
         "created": "#5cc1a3ff",
@@ -875,7 +875,7 @@
         "info": "#9bced6ff",
         "info.background": "#2f3639ff",
         "info.border": "#435255ff",
-        "modified": "#f5c177ff",
+        "modified": "#f6c177ff",
         "modified.background": "#50331aff",
         "modified.border": "#6d4d2bff",
         "predictive": "#516b83ff",
@@ -890,7 +890,7 @@
         "unreachable": "#85819eff",
         "unreachable.background": "#38354eff",
         "unreachable.border": "#504c68ff",
-        "warning": "#f5c177ff",
+        "warning": "#f6c177ff",
         "warning.background": "#50331aff",
         "warning.border": "#6d4d2bff",
         "players": [
@@ -925,9 +925,9 @@
             "selection": "#ea6e923d"
           },
           {
-            "cursor": "#f5c177ff",
-            "background": "#f5c177ff",
-            "selection": "#f5c1773d"
+            "cursor": "#f6c177ff",
+            "background": "#f6c177ff",
+            "selection": "#f6c1773d"
           },
           {
             "cursor": "#5cc1a3ff",
@@ -1077,7 +1077,7 @@
             "font_weight": null
           },
           "string": {
-            "color": "#f5c177ff",
+            "color": "#f6c177ff",
             "font_style": null,
             "font_weight": null
           },
@@ -1112,7 +1112,7 @@
             "font_weight": null
           },
           "title": {
-            "color": "#f5c177ff",
+            "color": "#f6c177ff",
             "font_style": null,
             "font_weight": 700
           },

crates/activity_indicator/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/activity_indicator.rs"
 doctest = false

crates/activity_indicator/src/activity_indicator.rs

@@ -6,7 +6,7 @@ use gpui::{
     ParentElement as _, Render, SharedString, StatefulInteractiveElement, Styled, View,
     ViewContext, VisualContext as _,
 };
-use language::{LanguageRegistry, LanguageServerBinaryStatus};
+use language::{LanguageRegistry, LanguageServerBinaryStatus, LanguageServerName};
 use project::{LanguageServerProgress, Project};
 use smallvec::SmallVec;
 use std::{cmp::Reverse, fmt::Write, sync::Arc};
@@ -30,7 +30,7 @@ pub struct ActivityIndicator {
 }
 
 struct LspStatus {
-    name: Arc<str>,
+    name: LanguageServerName,
     status: LanguageServerBinaryStatus,
 }
 
@@ -58,13 +58,10 @@ impl ActivityIndicator {
         let this = cx.new_view(|cx: &mut ViewContext<Self>| {
             let mut status_events = languages.language_server_binary_statuses();
             cx.spawn(|this, mut cx| async move {
-                while let Some((language, event)) = status_events.next().await {
+                while let Some((name, status)) = status_events.next().await {
                     this.update(&mut cx, |this, cx| {
-                        this.statuses.retain(|s| s.name != language.name());
-                        this.statuses.push(LspStatus {
-                            name: language.name(),
-                            status: event,
-                        });
+                        this.statuses.retain(|s| s.name != name);
+                        this.statuses.push(LspStatus { name, status });
                         cx.notify();
                     })?;
                 }
@@ -97,7 +94,7 @@ impl ActivityIndicator {
                             cx,
                         );
                     });
-                    workspace.add_item(
+                    workspace.add_item_to_active_pane(
                         Box::new(
                             cx.new_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx)),
                         ),
@@ -114,7 +111,7 @@ impl ActivityIndicator {
         self.statuses.retain(|status| {
             if let LanguageServerBinaryStatus::Failed { error } = &status.status {
                 cx.emit(Event::ShowError {
-                    lsp_name: status.name.clone(),
+                    lsp_name: status.name.0.clone(),
                     error: error.clone(),
                 });
                 false
@@ -202,11 +199,12 @@ impl ActivityIndicator {
         let mut checking_for_update = SmallVec::<[_; 3]>::new();
         let mut failed = SmallVec::<[_; 3]>::new();
         for status in &self.statuses {
-            let name = status.name.clone();
             match status.status {
-                LanguageServerBinaryStatus::CheckingForUpdate => checking_for_update.push(name),
-                LanguageServerBinaryStatus::Downloading => downloading.push(name),
-                LanguageServerBinaryStatus::Failed { .. } => failed.push(name),
+                LanguageServerBinaryStatus::CheckingForUpdate => {
+                    checking_for_update.push(status.name.0.as_ref())
+                }
+                LanguageServerBinaryStatus::Downloading => downloading.push(status.name.0.as_ref()),
+                LanguageServerBinaryStatus::Failed { .. } => failed.push(status.name.0.as_ref()),
                 LanguageServerBinaryStatus::Downloaded | LanguageServerBinaryStatus::Cached => {}
             }
         }
@@ -214,34 +212,28 @@ impl ActivityIndicator {
         if !downloading.is_empty() {
             return Content {
                 icon: Some(DOWNLOAD_ICON),
-                message: format!(
-                    "Downloading {} language server{}...",
-                    downloading.join(", "),
-                    if downloading.len() > 1 { "s" } else { "" }
-                ),
+                message: format!("Downloading {}...", downloading.join(", "),),
                 on_click: None,
             };
-        } else if !checking_for_update.is_empty() {
+        }
+
+        if !checking_for_update.is_empty() {
             return Content {
                 icon: Some(DOWNLOAD_ICON),
                 message: format!(
-                    "Checking for updates to {} language server{}...",
+                    "Checking for updates to {}...",
                     checking_for_update.join(", "),
-                    if checking_for_update.len() > 1 {
-                        "s"
-                    } else {
-                        ""
-                    }
                 ),
                 on_click: None,
             };
-        } else if !failed.is_empty() {
+        }
+
+        if !failed.is_empty() {
             return Content {
                 icon: Some(WARNING_ICON),
                 message: format!(
-                    "Failed to download {} language server{}. Click to show error.",
+                    "Failed to download {}. Click to show error.",
                     failed.join(", "),
-                    if failed.len() > 1 { "s" } else { "" }
                 ),
                 on_click: Some(Arc::new(|this, cx| {
                     this.show_error_message(&Default::default(), cx)
@@ -249,6 +241,17 @@ impl ActivityIndicator {
             };
         }
 
+        // Show any formatting failure
+        if let Some(failure) = self.project.read(cx).last_formatting_failure() {
+            return Content {
+                icon: Some(WARNING_ICON),
+                message: format!("Formatting failed: {}. Click to see logs.", failure),
+                on_click: Some(Arc::new(|_, cx| {
+                    cx.dispatch_action(Box::new(workspace::OpenLog));
+                })),
+            };
+        }
+
         // Show any application auto-update info.
         if let Some(updater) = &self.auto_updater {
             return match &updater.read(cx).status() {

crates/ai/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/ai.rs"
 doctest = false
@@ -20,7 +23,6 @@ futures.workspace = true
 gpui.workspace = true
 isahc.workspace = true
 language.workspace = true
-lazy_static.workspace = true
 log.workspace = true
 matrixmultiply = "0.3.7"
 ordered-float.workspace = true
@@ -29,6 +31,7 @@ parse_duration = "2.1.1"
 postage.workspace = true
 rand.workspace = true
 rusqlite = { version = "0.29.0", features = ["blob", "array", "modern_sqlite"] }
+schemars.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 tiktoken-rs.workspace = true

crates/ai/src/embedding.rs

@@ -19,11 +19,9 @@ pub struct Embedding(pub Vec<f32>);
 impl FromSql for Embedding {
     fn column_result(value: ValueRef) -> FromSqlResult<Self> {
         let bytes = value.as_blob()?;
-        let embedding: Result<Vec<f32>, Box<bincode::ErrorKind>> = bincode::deserialize(bytes);
-        if embedding.is_err() {
-            return Err(rusqlite::types::FromSqlError::Other(embedding.unwrap_err()));
-        }
-        Ok(Embedding(embedding.unwrap()))
+        let embedding =
+            bincode::deserialize(bytes).map_err(|err| rusqlite::types::FromSqlError::Other(err))?;
+        Ok(Embedding(embedding))
     }
 }
 
@@ -112,7 +110,7 @@ mod tests {
         }
 
         fn round_to_decimals(n: OrderedFloat<f32>, decimal_places: i32) -> f32 {
-            let factor = (10.0 as f32).powi(decimal_places);
+            let factor = 10.0_f32.powi(decimal_places);
             (n * factor).round() / factor
         }
 

crates/ai/src/prompts/base.rs

@@ -30,7 +30,7 @@ impl PromptArguments {
         if self
             .language_name
             .as_ref()
-            .and_then(|name| Some(!["Markdown", "Plain Text"].contains(&name.as_str())))
+            .map(|name| !["Markdown", "Plain Text"].contains(&name.as_str()))
             .unwrap_or(true)
         {
             PromptFileType::Code
@@ -51,8 +51,10 @@ pub trait PromptTemplate {
 #[repr(i8)]
 #[derive(PartialEq, Eq, Ord)]
 pub enum PromptPriority {
-    Mandatory,                // Ignores truncation
-    Ordered { order: usize }, // Truncates based on priority
+    /// Ignores truncation.
+    Mandatory,
+    /// Truncates based on priority.
+    Ordered { order: usize },
 }
 
 impl PartialOrd for PromptPriority {
@@ -86,7 +88,6 @@ impl PromptChain {
         let mut sorted_indices = (0..self.templates.len()).collect::<Vec<_>>();
         sorted_indices.sort_by_key(|&i| Reverse(&self.templates[i].0));
 
-        // If Truncate
         let mut tokens_outstanding = if truncate {
             Some(self.args.model.capacity()? - self.args.reserved_tokens)
         } else {

crates/ai/src/prompts/repository_context.rs

@@ -24,11 +24,9 @@ impl PromptCodeSnippet {
 
             let language_name = buffer
                 .language()
-                .and_then(|language| Some(language.name().to_string().to_lowercase()));
+                .map(|language| language.name().to_string().to_lowercase());
 
-            let file_path = buffer
-                .file()
-                .and_then(|file| Some(file.path().to_path_buf()));
+            let file_path = buffer.file().map(|file| file.path().to_path_buf());
 
             (content, language_name, file_path)
         })?;
@@ -46,7 +44,7 @@ impl ToString for PromptCodeSnippet {
         let path = self
             .path
             .as_ref()
-            .and_then(|path| Some(path.to_string_lossy().to_string()))
+            .map(|path| path.to_string_lossy().to_string())
             .unwrap_or("".to_string());
         let language_name = self.language_name.clone().unwrap_or("".to_string());
         let content = self.content.clone();
@@ -67,7 +65,7 @@ impl PromptTemplate for RepositoryContext {
         let template = "You are working inside a large repository, here are a few code snippets that may be useful.";
         let mut prompt = String::new();
 
-        let mut remaining_tokens = max_token_length.clone();
+        let mut remaining_tokens = max_token_length;
         let separator_token_length = args.model.count_tokens("\n")?;
         for snippet in &args.snippets {
             let mut snippet_prompt = template.to_string();

crates/ai/src/providers/open_ai.rs

@@ -6,4 +6,4 @@ pub use completion::*;
 pub use embedding::*;
 pub use model::OpenAiLanguageModel;
 
-pub const OPEN_AI_API_URL: &'static str = "https://api.openai.com/v1";
+pub const OPEN_AI_API_URL: &str = "https://api.openai.com/v1";

crates/ai/src/providers/open_ai/completion.rs

@@ -1,3 +1,10 @@
+use std::{
+    env,
+    fmt::{self, Display},
+    io,
+    sync::Arc,
+};
+
 use anyhow::{anyhow, Result};
 use futures::{
     future::BoxFuture, io::BufReader, stream::BoxStream, AsyncBufReadExt, AsyncReadExt, FutureExt,
@@ -6,23 +13,17 @@ use futures::{
 use gpui::{AppContext, BackgroundExecutor};
 use isahc::{http::StatusCode, Request, RequestExt};
 use parking_lot::RwLock;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use std::{
-    env,
-    fmt::{self, Display},
-    io,
-    sync::Arc,
-};
 use util::ResultExt;
 
+use crate::providers::open_ai::{OpenAiLanguageModel, OPEN_AI_API_URL};
 use crate::{
     auth::{CredentialProvider, ProviderCredential},
     completion::{CompletionProvider, CompletionRequest},
     models::LanguageModel,
 };
 
-use crate::providers::open_ai::{OpenAiLanguageModel, OPEN_AI_API_URL};
-
 #[derive(Clone, Copy, Serialize, Deserialize, Debug, Eq, PartialEq)]
 #[serde(rename_all = "lowercase")]
 pub enum Role {
@@ -102,8 +103,9 @@ pub struct OpenAiResponseStreamEvent {
     pub usage: Option<OpenAiUsage>,
 }
 
-pub async fn stream_completion(
+async fn stream_completion(
     api_url: String,
+    kind: OpenAiCompletionProviderKind,
     credential: ProviderCredential,
     executor: BackgroundExecutor,
     request: Box<dyn CompletionRequest>,
@@ -117,10 +119,11 @@ pub async fn stream_completion(
 
     let (tx, rx) = futures::channel::mpsc::unbounded::<Result<OpenAiResponseStreamEvent>>();
 
+    let (auth_header_name, auth_header_value) = kind.auth_header(api_key);
     let json_data = request.data()?;
-    let mut response = Request::post(format!("{api_url}/chat/completions"))
+    let mut response = Request::post(kind.completions_endpoint_url(&api_url))
         .header("Content-Type", "application/json")
-        .header("Authorization", format!("Bearer {}", api_key))
+        .header(auth_header_name, auth_header_value)
         .body(json_data)?
         .send_async()
         .await?;
@@ -194,22 +197,109 @@ pub async fn stream_completion(
     }
 }
 
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, JsonSchema)]
+pub enum AzureOpenAiApiVersion {
+    /// Retiring April 2, 2024.
+    #[serde(rename = "2023-03-15-preview")]
+    V2023_03_15Preview,
+    #[serde(rename = "2023-05-15")]
+    V2023_05_15,
+    /// Retiring April 2, 2024.
+    #[serde(rename = "2023-06-01-preview")]
+    V2023_06_01Preview,
+    /// Retiring April 2, 2024.
+    #[serde(rename = "2023-07-01-preview")]
+    V2023_07_01Preview,
+    /// Retiring April 2, 2024.
+    #[serde(rename = "2023-08-01-preview")]
+    V2023_08_01Preview,
+    /// Retiring April 2, 2024.
+    #[serde(rename = "2023-09-01-preview")]
+    V2023_09_01Preview,
+    #[serde(rename = "2023-12-01-preview")]
+    V2023_12_01Preview,
+    #[serde(rename = "2024-02-15-preview")]
+    V2024_02_15Preview,
+}
+
+impl fmt::Display for AzureOpenAiApiVersion {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                Self::V2023_03_15Preview => "2023-03-15-preview",
+                Self::V2023_05_15 => "2023-05-15",
+                Self::V2023_06_01Preview => "2023-06-01-preview",
+                Self::V2023_07_01Preview => "2023-07-01-preview",
+                Self::V2023_08_01Preview => "2023-08-01-preview",
+                Self::V2023_09_01Preview => "2023-09-01-preview",
+                Self::V2023_12_01Preview => "2023-12-01-preview",
+                Self::V2024_02_15Preview => "2024-02-15-preview",
+            }
+        )
+    }
+}
+
+#[derive(Clone)]
+pub enum OpenAiCompletionProviderKind {
+    OpenAi,
+    AzureOpenAi {
+        deployment_id: String,
+        api_version: AzureOpenAiApiVersion,
+    },
+}
+
+impl OpenAiCompletionProviderKind {
+    /// Returns the chat completion endpoint URL for this [`OpenAiCompletionProviderKind`].
+    fn completions_endpoint_url(&self, api_url: &str) -> String {
+        match self {
+            Self::OpenAi => {
+                // https://platform.openai.com/docs/api-reference/chat/create
+                format!("{api_url}/chat/completions")
+            }
+            Self::AzureOpenAi {
+                deployment_id,
+                api_version,
+            } => {
+                // https://learn.microsoft.com/en-us/azure/ai-services/openai/reference#chat-completions
+                format!("{api_url}/openai/deployments/{deployment_id}/chat/completions?api-version={api_version}")
+            }
+        }
+    }
+
+    /// Returns the authentication header for this [`OpenAiCompletionProviderKind`].
+    fn auth_header(&self, api_key: String) -> (&'static str, String) {
+        match self {
+            Self::OpenAi => ("Authorization", format!("Bearer {api_key}")),
+            Self::AzureOpenAi { .. } => ("Api-Key", api_key),
+        }
+    }
+}
+
 #[derive(Clone)]
 pub struct OpenAiCompletionProvider {
     api_url: String,
+    kind: OpenAiCompletionProviderKind,
     model: OpenAiLanguageModel,
     credential: Arc<RwLock<ProviderCredential>>,
     executor: BackgroundExecutor,
 }
 
 impl OpenAiCompletionProvider {
-    pub async fn new(api_url: String, model_name: String, executor: BackgroundExecutor) -> Self {
+    pub async fn new(
+        api_url: String,
+        kind: OpenAiCompletionProviderKind,
+        model_name: String,
+        executor: BackgroundExecutor,
+    ) -> Self {
         let model = executor
             .spawn(async move { OpenAiLanguageModel::load(&model_name) })
             .await;
         let credential = Arc::new(RwLock::new(ProviderCredential::NoCredentials));
         Self {
             api_url,
+            kind,
             model,
             credential,
             executor,
@@ -297,6 +387,7 @@ impl CompletionProvider for OpenAiCompletionProvider {
         let model: Box<dyn LanguageModel> = Box::new(self.model.clone());
         model
     }
+
     fn complete(
         &self,
         prompt: Box<dyn CompletionRequest>,
@@ -307,7 +398,8 @@ impl CompletionProvider for OpenAiCompletionProvider {
         // At some point in the future we should rectify this.
         let credential = self.credential.read().clone();
         let api_url = self.api_url.clone();
-        let request = stream_completion(api_url, credential, self.executor.clone(), prompt);
+        let kind = self.kind.clone();
+        let request = stream_completion(api_url, kind, credential, self.executor.clone(), prompt);
         async move {
             let response = request.await?;
             let stream = response
@@ -322,6 +414,7 @@ impl CompletionProvider for OpenAiCompletionProvider {
         }
         .boxed()
     }
+
     fn box_clone(&self) -> Box<dyn CompletionProvider> {
         Box::new((*self).clone())
     }

crates/ai/src/providers/open_ai/embedding.rs

@@ -8,7 +8,6 @@ use gpui::BackgroundExecutor;
 use isahc::http::StatusCode;
 use isahc::prelude::Configurable;
 use isahc::{AsyncBody, Response};
-use lazy_static::lazy_static;
 use parking_lot::{Mutex, RwLock};
 use parse_duration::parse;
 use postage::watch;
@@ -16,7 +15,7 @@ use serde::{Deserialize, Serialize};
 use serde_json;
 use std::env;
 use std::ops::Add;
-use std::sync::Arc;
+use std::sync::{Arc, OnceLock};
 use std::time::{Duration, Instant};
 use tiktoken_rs::{cl100k_base, CoreBPE};
 use util::http::{HttpClient, Request};
@@ -29,8 +28,9 @@ use crate::providers::open_ai::OpenAiLanguageModel;
 
 use crate::providers::open_ai::OPEN_AI_API_URL;
 
-lazy_static! {
-    pub(crate) static ref OPEN_AI_BPE_TOKENIZER: CoreBPE = cl100k_base().unwrap();
+pub(crate) fn open_ai_bpe_tokenizer() -> &'static CoreBPE {
+    static OPEN_AI_BPE_TOKENIZER: OnceLock<CoreBPE> = OnceLock::new();
+    OPEN_AI_BPE_TOKENIZER.get_or_init(|| cl100k_base().unwrap())
 }
 
 #[derive(Clone)]

crates/ai/src/providers/open_ai/model.rs

@@ -3,7 +3,7 @@ use tiktoken_rs::CoreBPE;
 
 use crate::models::{LanguageModel, TruncationDirection};
 
-use super::OPEN_AI_BPE_TOKENIZER;
+use super::open_ai_bpe_tokenizer;
 
 #[derive(Clone)]
 pub struct OpenAiLanguageModel {
@@ -13,8 +13,8 @@ pub struct OpenAiLanguageModel {
 
 impl OpenAiLanguageModel {
     pub fn load(model_name: &str) -> Self {
-        let bpe =
-            tiktoken_rs::get_bpe_from_model(model_name).unwrap_or(OPEN_AI_BPE_TOKENIZER.to_owned());
+        let bpe = tiktoken_rs::get_bpe_from_model(model_name)
+            .unwrap_or(open_ai_bpe_tokenizer().to_owned());
         OpenAiLanguageModel {
             name: model_name.to_string(),
             bpe: Some(bpe),

crates/ai/src/test.rs

@@ -54,6 +54,7 @@ impl LanguageModel for FakeLanguageModel {
     }
 }
 
+#[derive(Default)]
 pub struct FakeEmbeddingProvider {
     pub embedding_count: AtomicUsize,
 }
@@ -66,14 +67,6 @@ impl Clone for FakeEmbeddingProvider {
     }
 }
 
-impl Default for FakeEmbeddingProvider {
-    fn default() -> Self {
-        FakeEmbeddingProvider {
-            embedding_count: AtomicUsize::default(),
-        }
-    }
-}
-
 impl FakeEmbeddingProvider {
     pub fn embedding_count(&self) -> usize {
         self.embedding_count.load(atomic::Ordering::SeqCst)

crates/assets/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [dependencies]
 anyhow.workspace = true
 gpui.workspace = true

crates/assistant/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/assistant.rs"
 doctest = false

crates/assistant/src/assistant_panel.rs

@@ -7,11 +7,13 @@ use crate::{
     SavedMessage, Split, ToggleFocus, ToggleIncludeConversation, ToggleRetrieveContext,
 };
 use ai::prompts::repository_context::PromptCodeSnippet;
-use ai::providers::open_ai::OPEN_AI_API_URL;
 use ai::{
     auth::ProviderCredential,
     completion::{CompletionProvider, CompletionRequest},
-    providers::open_ai::{OpenAiCompletionProvider, OpenAiRequest, RequestMessage},
+    providers::open_ai::{
+        OpenAiCompletionProvider, OpenAiCompletionProviderKind, OpenAiRequest, RequestMessage,
+        OPEN_AI_API_URL,
+    },
 };
 use anyhow::{anyhow, Result};
 use chrono::{DateTime, Local};
@@ -29,9 +31,9 @@ use fs::Fs;
 use futures::StreamExt;
 use gpui::{
     canvas, div, point, relative, rems, uniform_list, Action, AnyElement, AppContext,
-    AsyncAppContext, AsyncWindowContext, AvailableSpace, ClipboardItem, Context, EventEmitter,
-    FocusHandle, FocusableView, FontStyle, FontWeight, HighlightStyle, InteractiveElement,
-    IntoElement, Model, ModelContext, ParentElement, Pixels, PromptLevel, Render, SharedString,
+    AsyncAppContext, AsyncWindowContext, ClipboardItem, Context, EventEmitter, FocusHandle,
+    FocusableView, FontStyle, FontWeight, HighlightStyle, InteractiveElement, IntoElement, Model,
+    ModelContext, ParentElement, Pixels, PromptLevel, Render, SharedString,
     StatefulInteractiveElement, Styled, Subscription, Task, TextStyle, UniformListScrollHandle,
     View, ViewContext, VisualContext, WeakModel, WeakView, WhiteSpace, WindowContext,
 };
@@ -122,15 +124,18 @@ impl AssistantPanel {
                 .await
                 .log_err()
                 .unwrap_or_default();
-            let (api_url, model_name) = cx.update(|cx| {
+            let (provider_kind, api_url, model_name) = cx.update(|cx| {
                 let settings = AssistantSettings::get_global(cx);
-                (
-                    settings.openai_api_url.clone(),
-                    settings.default_open_ai_model.full_name().to_string(),
-                )
-            })?;
+                anyhow::Ok((
+                    settings.provider_kind()?,
+                    settings.provider_api_url()?,
+                    settings.provider_model_name()?,
+                ))
+            })??;
+
             let completion_provider = OpenAiCompletionProvider::new(
                 api_url,
+                provider_kind,
                 model_name,
                 cx.background_executor().clone(),
             )
@@ -647,7 +652,7 @@ impl AssistantPanel {
         // If Markdown or No Language is Known, increase the randomness for more creative output
         // If Code, decrease temperature to get more deterministic outputs
         let temperature = if let Some(language) = language_name.clone() {
-            if language.to_string() != "Markdown".to_string() {
+            if *language != *"Markdown" {
                 0.5
             } else {
                 1.0
@@ -690,24 +695,29 @@ impl AssistantPanel {
             Task::ready(Ok(Vec::new()))
         };
 
-        let mut model = AssistantSettings::get_global(cx)
-            .default_open_ai_model
-            .clone();
-        let model_name = model.full_name();
+        let Some(mut model_name) = AssistantSettings::get_global(cx)
+            .provider_model_name()
+            .log_err()
+        else {
+            return;
+        };
 
-        let prompt = cx.background_executor().spawn(async move {
-            let snippets = snippets.await?;
+        let prompt = cx.background_executor().spawn({
+            let model_name = model_name.clone();
+            async move {
+                let snippets = snippets.await?;
 
-            let language_name = language_name.as_deref();
-            generate_content_prompt(
-                user_prompt,
-                language_name,
-                buffer,
-                range,
-                snippets,
-                model_name,
-                project_name,
-            )
+                let language_name = language_name.as_deref();
+                generate_content_prompt(
+                    user_prompt,
+                    language_name,
+                    buffer,
+                    range,
+                    snippets,
+                    &model_name,
+                    project_name,
+                )
+            }
         });
 
         let mut messages = Vec::new();
@@ -719,7 +729,7 @@ impl AssistantPanel {
                     .messages(cx)
                     .map(|message| message.to_open_ai_message(buffer)),
             );
-            model = conversation.model.clone();
+            model_name = conversation.model.full_name().to_string();
         }
 
         cx.spawn(|_, mut cx| async move {
@@ -732,7 +742,7 @@ impl AssistantPanel {
             });
 
             let request = Box::new(OpenAiRequest {
-                model: model.full_name().into(),
+                model: model_name,
                 messages,
                 stream: true,
                 stop: vec!["|END|>".to_string()],
@@ -771,7 +781,7 @@ impl AssistantPanel {
             } else {
                 editor.highlight_background::<PendingInlineAssist>(
                     background_ranges,
-                    |theme| theme.editor_active_line_background, // todo!("use the appropriate color")
+                    |theme| theme.editor_active_line_background, // todo("use the appropriate color")
                     cx,
                 );
             }
@@ -969,7 +979,7 @@ impl AssistantPanel {
             font_size: rems(0.875).into(),
             font_weight: FontWeight::NORMAL,
             font_style: FontStyle::Normal,
-            line_height: relative(1.3).into(),
+            line_height: relative(1.3),
             background_color: None,
             underline: None,
             strikethrough: None,
@@ -1274,25 +1284,25 @@ impl Render for AssistantPanel {
                             let view = cx.view().clone();
                             let scroll_handle = self.saved_conversations_scroll_handle.clone();
                             let conversation_count = self.saved_conversations.len();
-                            canvas(move |bounds, cx| {
-                                uniform_list(
-                                    view,
-                                    "saved_conversations",
-                                    conversation_count,
-                                    |this, range, cx| {
-                                        range
-                                            .map(|ix| this.render_saved_conversation(ix, cx))
-                                            .collect()
-                                    },
-                                )
-                                .track_scroll(scroll_handle)
-                                .into_any_element()
-                                .draw(
-                                    bounds.origin,
-                                    bounds.size.map(AvailableSpace::Definite),
-                                    cx,
-                                );
-                            })
+                            canvas(
+                                move |bounds, cx| {
+                                    let mut list = uniform_list(
+                                        view,
+                                        "saved_conversations",
+                                        conversation_count,
+                                        |this, range, cx| {
+                                            range
+                                                .map(|ix| this.render_saved_conversation(ix, cx))
+                                                .collect()
+                                        },
+                                    )
+                                    .track_scroll(scroll_handle)
+                                    .into_any_element();
+                                    list.layout(bounds.origin, bounds.size.into(), cx);
+                                    list
+                                },
+                                |_bounds, mut list, cx| list.paint(cx),
+                            )
                             .size_full()
                             .into_any_element()
                         }),
@@ -1451,8 +1461,14 @@ impl Conversation {
         });
 
         let settings = AssistantSettings::get_global(cx);
-        let model = settings.default_open_ai_model.clone();
-        let api_url = settings.openai_api_url.clone();
+        let model = settings
+            .provider_model()
+            .log_err()
+            .unwrap_or(OpenAiModel::FourTurbo);
+        let api_url = settings
+            .provider_api_url()
+            .log_err()
+            .unwrap_or_else(|| OPEN_AI_API_URL.to_string());
 
         let mut this = Self {
             id: Some(Uuid::new_v4().to_string()),
@@ -1467,7 +1483,7 @@ impl Conversation {
             max_token_count: tiktoken_rs::model::get_context_size(&model.full_name()),
             pending_token_count: Task::ready(None),
             api_url: Some(api_url),
-            model: model.clone(),
+            model,
             _subscriptions: vec![cx.subscribe(&buffer, Self::handle_buffer_event)],
             pending_save: Task::ready(Ok(())),
             path: None,
@@ -1511,7 +1527,7 @@ impl Conversation {
                 .as_ref()
                 .map(|summary| summary.text.clone())
                 .unwrap_or_default(),
-            model: self.model.clone(),
+            model: self.model,
             api_url: self.api_url.clone(),
         }
     }
@@ -1533,6 +1549,7 @@ impl Conversation {
                 api_url
                     .clone()
                     .unwrap_or_else(|| OPEN_AI_API_URL.to_string()),
+                OpenAiCompletionProviderKind::OpenAi,
                 model.full_name().into(),
                 cx.background_executor().clone(),
             )
@@ -1616,26 +1633,23 @@ impl Conversation {
     fn count_remaining_tokens(&mut self, cx: &mut ModelContext<Self>) {
         let messages = self
             .messages(cx)
-            .into_iter()
-            .filter_map(|message| {
-                Some(tiktoken_rs::ChatCompletionRequestMessage {
-                    role: match message.role {
-                        Role::User => "user".into(),
-                        Role::Assistant => "assistant".into(),
-                        Role::System => "system".into(),
-                    },
-                    content: Some(
-                        self.buffer
-                            .read(cx)
-                            .text_for_range(message.offset_range)
-                            .collect(),
-                    ),
-                    name: None,
-                    function_call: None,
-                })
+            .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
+                role: match message.role {
+                    Role::User => "user".into(),
+                    Role::Assistant => "assistant".into(),
+                    Role::System => "system".into(),
+                },
+                content: Some(
+                    self.buffer
+                        .read(cx)
+                        .text_for_range(message.offset_range)
+                        .collect(),
+                ),
+                name: None,
+                function_call: None,
             })
             .collect::<Vec<_>>();
-        let model = self.model.clone();
+        let model = self.model;
         self.pending_token_count = cx.spawn(|this, mut cx| {
             async move {
                 cx.background_executor()
@@ -2399,7 +2413,9 @@ impl ConversationEditor {
                 .read(cx)
                 .messages(cx)
                 .map(|message| BlockProperties {
-                    position: buffer.anchor_in_excerpt(excerpt_id, message.anchor),
+                    position: buffer
+                        .anchor_in_excerpt(excerpt_id, message.anchor)
+                        .unwrap(),
                     height: 2,
                     style: BlockStyle::Sticky,
                     render: Arc::new({
@@ -2818,6 +2834,7 @@ impl FocusableView for InlineAssistant {
 }
 
 impl InlineAssistant {
+    #[allow(clippy::too_many_arguments)]
     fn new(
         id: usize,
         measurements: Rc<Cell<BlockMeasurements>>,
@@ -3183,7 +3200,7 @@ impl InlineAssistant {
             font_size: rems(0.875).into(),
             font_weight: FontWeight::NORMAL,
             font_style: FontStyle::Normal,
-            line_height: relative(1.3).into(),
+            line_height: relative(1.3),
             background_color: None,
             underline: None,
             strikethrough: None,
@@ -3651,9 +3668,9 @@ fn report_assistant_event(
     let client = workspace.read(cx).project().read(cx).client();
     let telemetry = client.telemetry();
 
-    let model = AssistantSettings::get_global(cx)
-        .default_open_ai_model
-        .clone();
+    let Ok(model_name) = AssistantSettings::get_global(cx).provider_model_name() else {
+        return;
+    };
 
-    telemetry.report_assistant_event(conversation_id, assistant_kind, model.full_name())
+    telemetry.report_assistant_event(conversation_id, assistant_kind, &model_name)
 }

crates/assistant/src/assistant_settings.rs

@@ -1,10 +1,14 @@
-use anyhow;
+use ai::providers::open_ai::{
+    AzureOpenAiApiVersion, OpenAiCompletionProviderKind, OPEN_AI_API_URL,
+};
+use anyhow::anyhow;
 use gpui::Pixels;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use settings::Settings;
 
-#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
+#[derive(Clone, Copy, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
+#[serde(rename_all = "snake_case")]
 pub enum OpenAiModel {
     #[serde(rename = "gpt-3.5-turbo-0613")]
     ThreePointFiveTurbo,
@@ -17,25 +21,25 @@ pub enum OpenAiModel {
 impl OpenAiModel {
     pub fn full_name(&self) -> &'static str {
         match self {
-            OpenAiModel::ThreePointFiveTurbo => "gpt-3.5-turbo-0613",
-            OpenAiModel::Four => "gpt-4-0613",
-            OpenAiModel::FourTurbo => "gpt-4-1106-preview",
+            Self::ThreePointFiveTurbo => "gpt-3.5-turbo-0613",
+            Self::Four => "gpt-4-0613",
+            Self::FourTurbo => "gpt-4-1106-preview",
         }
     }
 
     pub fn short_name(&self) -> &'static str {
         match self {
-            OpenAiModel::ThreePointFiveTurbo => "gpt-3.5-turbo",
-            OpenAiModel::Four => "gpt-4",
-            OpenAiModel::FourTurbo => "gpt-4-turbo",
+            Self::ThreePointFiveTurbo => "gpt-3.5-turbo",
+            Self::Four => "gpt-4",
+            Self::FourTurbo => "gpt-4-turbo",
         }
     }
 
     pub fn cycle(&self) -> Self {
         match self {
-            OpenAiModel::ThreePointFiveTurbo => OpenAiModel::Four,
-            OpenAiModel::Four => OpenAiModel::FourTurbo,
-            OpenAiModel::FourTurbo => OpenAiModel::ThreePointFiveTurbo,
+            Self::ThreePointFiveTurbo => Self::Four,
+            Self::Four => Self::FourTurbo,
+            Self::FourTurbo => Self::ThreePointFiveTurbo,
         }
     }
 }
@@ -48,14 +52,113 @@ pub enum AssistantDockPosition {
     Bottom,
 }
 
-#[derive(Deserialize, Debug)]
+#[derive(Debug, Deserialize)]
 pub struct AssistantSettings {
+    /// Whether to show the assistant panel button in the status bar.
     pub button: bool,
+    /// Where to dock the assistant.
     pub dock: AssistantDockPosition,
+    /// Default width in pixels when the assistant is docked to the left or right.
     pub default_width: Pixels,
+    /// Default height in pixels when the assistant is docked to the bottom.
     pub default_height: Pixels,
+    /// The default OpenAI model to use when starting new conversations.
+    #[deprecated = "Please use `provider.default_model` instead."]
     pub default_open_ai_model: OpenAiModel,
+    /// OpenAI API base URL to use when starting new conversations.
+    #[deprecated = "Please use `provider.api_url` instead."]
     pub openai_api_url: String,
+    /// The settings for the AI provider.
+    pub provider: AiProviderSettings,
+}
+
+impl AssistantSettings {
+    pub fn provider_kind(&self) -> anyhow::Result<OpenAiCompletionProviderKind> {
+        match &self.provider {
+            AiProviderSettings::OpenAi(_) => Ok(OpenAiCompletionProviderKind::OpenAi),
+            AiProviderSettings::AzureOpenAi(settings) => {
+                let deployment_id = settings
+                    .deployment_id
+                    .clone()
+                    .ok_or_else(|| anyhow!("no Azure OpenAI deployment ID"))?;
+                let api_version = settings
+                    .api_version
+                    .ok_or_else(|| anyhow!("no Azure OpenAI API version"))?;
+
+                Ok(OpenAiCompletionProviderKind::AzureOpenAi {
+                    deployment_id,
+                    api_version,
+                })
+            }
+        }
+    }
+
+    pub fn provider_api_url(&self) -> anyhow::Result<String> {
+        match &self.provider {
+            AiProviderSettings::OpenAi(settings) => Ok(settings
+                .api_url
+                .clone()
+                .unwrap_or_else(|| OPEN_AI_API_URL.to_string())),
+            AiProviderSettings::AzureOpenAi(settings) => settings
+                .api_url
+                .clone()
+                .ok_or_else(|| anyhow!("no Azure OpenAI API URL")),
+        }
+    }
+
+    pub fn provider_model(&self) -> anyhow::Result<OpenAiModel> {
+        match &self.provider {
+            AiProviderSettings::OpenAi(settings) => {
+                Ok(settings.default_model.unwrap_or(OpenAiModel::FourTurbo))
+            }
+            AiProviderSettings::AzureOpenAi(settings) => {
+                let deployment_id = settings
+                    .deployment_id
+                    .as_deref()
+                    .ok_or_else(|| anyhow!("no Azure OpenAI deployment ID"))?;
+
+                match deployment_id {
+                    // https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models#gpt-4-and-gpt-4-turbo-preview
+                    "gpt-4" | "gpt-4-32k" => Ok(OpenAiModel::Four),
+                    // https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models#gpt-35
+                    "gpt-35-turbo" | "gpt-35-turbo-16k" | "gpt-35-turbo-instruct" => {
+                        Ok(OpenAiModel::ThreePointFiveTurbo)
+                    }
+                    _ => Err(anyhow!(
+                        "no matching OpenAI model found for deployment ID: '{deployment_id}'"
+                    )),
+                }
+            }
+        }
+    }
+
+    pub fn provider_model_name(&self) -> anyhow::Result<String> {
+        match &self.provider {
+            AiProviderSettings::OpenAi(settings) => Ok(settings
+                .default_model
+                .unwrap_or(OpenAiModel::FourTurbo)
+                .full_name()
+                .to_string()),
+            AiProviderSettings::AzureOpenAi(settings) => settings
+                .deployment_id
+                .clone()
+                .ok_or_else(|| anyhow!("no Azure OpenAI deployment ID")),
+        }
+    }
+}
+
+impl Settings for AssistantSettings {
+    const KEY: Option<&'static str> = Some("assistant");
+
+    type FileContent = AssistantSettingsContent;
+
+    fn load(
+        default_value: &Self::FileContent,
+        user_values: &[&Self::FileContent],
+        _: &mut gpui::AppContext,
+    ) -> anyhow::Result<Self> {
+        Self::load_via_json_merge(default_value, user_values)
+    }
 }
 
 /// Assistant panel settings
@@ -77,26 +180,88 @@ pub struct AssistantSettingsContent {
     ///
     /// Default: 320
     pub default_height: Option<f32>,
+    /// Deprecated: Please use `provider.default_model` instead.
     /// The default OpenAI model to use when starting new conversations.
     ///
     /// Default: gpt-4-1106-preview
+    #[deprecated = "Please use `provider.default_model` instead."]
     pub default_open_ai_model: Option<OpenAiModel>,
+    /// Deprecated: Please use `provider.api_url` instead.
     /// OpenAI API base URL to use when starting new conversations.
     ///
     /// Default: https://api.openai.com/v1
+    #[deprecated = "Please use `provider.api_url` instead."]
     pub openai_api_url: Option<String>,
+    /// The settings for the AI provider.
+    #[serde(default)]
+    pub provider: AiProviderSettingsContent,
 }
 
-impl Settings for AssistantSettings {
-    const KEY: Option<&'static str> = Some("assistant");
+#[derive(Debug, Clone, Deserialize)]
+#[serde(tag = "type", rename_all = "snake_case")]
+pub enum AiProviderSettings {
+    /// The settings for the OpenAI provider.
+    #[serde(rename = "openai")]
+    OpenAi(OpenAiProviderSettings),
+    /// The settings for the Azure OpenAI provider.
+    #[serde(rename = "azure_openai")]
+    AzureOpenAi(AzureOpenAiProviderSettings),
+}
 
-    type FileContent = AssistantSettingsContent;
+/// The settings for the AI provider used by the Zed Assistant.
+#[derive(Debug, Clone, Serialize, Deserialize, JsonSchema)]
+#[serde(tag = "type", rename_all = "snake_case")]
+pub enum AiProviderSettingsContent {
+    /// The settings for the OpenAI provider.
+    #[serde(rename = "openai")]
+    OpenAi(OpenAiProviderSettingsContent),
+    /// The settings for the Azure OpenAI provider.
+    #[serde(rename = "azure_openai")]
+    AzureOpenAi(AzureOpenAiProviderSettingsContent),
+}
 
-    fn load(
-        default_value: &Self::FileContent,
-        user_values: &[&Self::FileContent],
-        _: &mut gpui::AppContext,
-    ) -> anyhow::Result<Self> {
-        Self::load_via_json_merge(default_value, user_values)
+impl Default for AiProviderSettingsContent {
+    fn default() -> Self {
+        Self::OpenAi(OpenAiProviderSettingsContent::default())
     }
 }
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct OpenAiProviderSettings {
+    /// The OpenAI API base URL to use when starting new conversations.
+    pub api_url: Option<String>,
+    /// The default OpenAI model to use when starting new conversations.
+    pub default_model: Option<OpenAiModel>,
+}
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema)]
+pub struct OpenAiProviderSettingsContent {
+    /// The OpenAI API base URL to use when starting new conversations.
+    ///
+    /// Default: https://api.openai.com/v1
+    pub api_url: Option<String>,
+    /// The default OpenAI model to use when starting new conversations.
+    ///
+    /// Default: gpt-4-1106-preview
+    pub default_model: Option<OpenAiModel>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct AzureOpenAiProviderSettings {
+    /// The Azure OpenAI API base URL to use when starting new conversations.
+    pub api_url: Option<String>,
+    /// The Azure OpenAI API version.
+    pub api_version: Option<AzureOpenAiApiVersion>,
+    /// The Azure OpenAI API deployment ID.
+    pub deployment_id: Option<String>,
+}
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize, JsonSchema)]
+pub struct AzureOpenAiProviderSettingsContent {
+    /// The Azure OpenAI API base URL to use when starting new conversations.
+    pub api_url: Option<String>,
+    /// The Azure OpenAI API version.
+    pub api_version: Option<AzureOpenAiApiVersion>,
+    /// The Azure OpenAI deployment ID.
+    pub deployment_id: Option<String>,
+}

crates/assistant/src/codegen.rs

@@ -297,7 +297,7 @@ fn strip_invalid_spans_from_codeblock(
         } else if buffer.starts_with("<|")
             || buffer.starts_with("<|S")
             || buffer.starts_with("<|S|")
-            || buffer.ends_with("|")
+            || buffer.ends_with('|')
             || buffer.ends_with("|E")
             || buffer.ends_with("|E|")
         {
@@ -335,7 +335,7 @@ fn strip_invalid_spans_from_codeblock(
                 .strip_suffix("|E|>")
                 .or_else(|| text.strip_suffix("E|>"))
                 .or_else(|| text.strip_prefix("|>"))
-                .or_else(|| text.strip_prefix(">"))
+                .or_else(|| text.strip_prefix('>'))
                 .unwrap_or(&text)
                 .to_string();
         };

crates/audio/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/audio.rs"
 doctest = false

crates/auto_update/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/auto_update.rs"
 doctest = false

crates/auto_update/src/auto_update.rs

@@ -20,7 +20,7 @@ use smol::io::AsyncReadExt;
 use settings::{Settings, SettingsStore};
 use smol::{fs::File, process::Command};
 
-use release_channel::{AppCommitSha, ReleaseChannel};
+use release_channel::{AppCommitSha, AppVersion, ReleaseChannel};
 use std::{
     env::consts::{ARCH, OS},
     ffi::OsString,
@@ -190,7 +190,7 @@ pub fn view_release_notes(_: &ViewReleaseNotes, cx: &mut AppContext) -> Option<(
 
 fn view_release_notes_locally(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) {
     let release_channel = ReleaseChannel::global(cx);
-    let version = env!("CARGO_PKG_VERSION");
+    let version = AppVersion::global(cx).to_string();
 
     let client = client::Client::global(cx).http_client();
     let url = client.build_url(&format!(
@@ -229,6 +229,7 @@ fn view_release_notes_locally(workspace: &mut Workspace, cx: &mut ViewContext<Wo
                             buffer.update(cx, |buffer, cx| {
                                 buffer.edit([(0..0, body.release_notes)], None, cx)
                             });
+                            let language_registry = project.read(cx).languages().clone();
 
                             let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));
 
@@ -240,9 +241,10 @@ fn view_release_notes_locally(workspace: &mut Workspace, cx: &mut ViewContext<Wo
                                 editor,
                                 workspace_handle,
                                 Some(tab_description),
+                                language_registry,
                                 cx,
                             );
-                            workspace.add_item(Box::new(view.clone()), cx);
+                            workspace.add_item_to_active_pane(Box::new(view.clone()), cx);
                             cx.notify();
                         })
                         .log_err();
@@ -343,8 +345,7 @@ impl AutoUpdater {
         ));
         cx.update(|cx| {
             if let Some(param) = ReleaseChannel::try_global(cx)
-                .map(|release_channel| release_channel.release_query_param())
-                .flatten()
+                .and_then(|release_channel| release_channel.release_query_param())
             {
                 url_string += "&";
                 url_string += param;

crates/auto_update/src/update_notification.rs

@@ -44,7 +44,7 @@ impl Render for UpdateNotification {
                         crate::view_release_notes(&Default::default(), cx);
                         this.dismiss(&menu::Cancel, cx)
                     })),
-            );
+            )
     }
 }
 

crates/breadcrumbs/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/breadcrumbs.rs"
 doctest = false

crates/breadcrumbs/src/breadcrumbs.rs

@@ -4,10 +4,11 @@ use gpui::{
     ViewContext,
 };
 use itertools::Itertools;
+use std::cmp;
 use theme::ActiveTheme;
 use ui::{prelude::*, ButtonLike, ButtonStyle, Label, Tooltip};
 use workspace::{
-    item::{ItemEvent, ItemHandle},
+    item::{BreadcrumbText, ItemEvent, ItemHandle},
     ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView,
 };
 
@@ -31,14 +32,30 @@ impl EventEmitter<ToolbarItemEvent> for Breadcrumbs {}
 
 impl Render for Breadcrumbs {
     fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+        const MAX_SEGMENTS: usize = 12;
         let element = h_flex().text_ui();
         let Some(active_item) = self.active_item.as_ref() else {
             return element;
         };
-        let Some(segments) = active_item.breadcrumbs(cx.theme(), cx) else {
+        let Some(mut segments) = active_item.breadcrumbs(cx.theme(), cx) else {
             return element;
         };
 
+        let prefix_end_ix = cmp::min(segments.len(), MAX_SEGMENTS / 2);
+        let suffix_start_ix = cmp::max(
+            prefix_end_ix,
+            segments.len().saturating_sub(MAX_SEGMENTS / 2),
+        );
+        if suffix_start_ix > prefix_end_ix {
+            segments.splice(
+                prefix_end_ix..suffix_start_ix,
+                Some(BreadcrumbText {
+                    text: "⋯".into(),
+                    highlights: None,
+                }),
+            );
+        }
+
         let highlighted_segments = segments.into_iter().map(|segment| {
             let mut text_style = cx.text_style();
             text_style.color = Color::Muted.color(cx);

crates/call/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/call.rs"
 doctest = false

crates/call/src/call.rs

@@ -302,7 +302,7 @@ impl ActiveCall {
             return Task::ready(Ok(()));
         }
 
-        let room_id = call.room_id.clone();
+        let room_id = call.room_id;
         let client = self.client.clone();
         let user_store = self.user_store.clone();
         let join = self

crates/call/src/room.rs

@@ -1182,19 +1182,10 @@ impl Room {
     ) -> Task<Result<Model<Project>>> {
         let client = self.client.clone();
         let user_store = self.user_store.clone();
-        let role = self.local_participant.role;
         cx.emit(Event::RemoteProjectJoined { project_id: id });
         cx.spawn(move |this, mut cx| async move {
-            let project = Project::remote(
-                id,
-                client,
-                user_store,
-                language_registry,
-                fs,
-                role,
-                cx.clone(),
-            )
-            .await?;
+            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| {

crates/channel/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/channel.rs"
 doctest = false

crates/channel/src/channel.rs

@@ -11,7 +11,7 @@ pub use channel_chat::{
     mentions_to_proto, ChannelChat, ChannelChatEvent, ChannelMessage, ChannelMessageId,
     MessageParams,
 };
-pub use channel_store::{Channel, ChannelEvent, ChannelMembership, ChannelStore, HostedProjectId};
+pub use channel_store::{Channel, ChannelEvent, ChannelMembership, ChannelStore};
 
 #[cfg(test)]
 mod channel_store_tests;

crates/channel/src/channel_buffer.rs

@@ -126,7 +126,7 @@ impl ChannelBuffer {
         for (_, old_collaborator) in &self.collaborators {
             if !new_collaborators.contains_key(&old_collaborator.peer_id) {
                 self.buffer.update(cx, |buffer, cx| {
-                    buffer.remove_peer(old_collaborator.replica_id as u16, cx)
+                    buffer.remove_peer(old_collaborator.replica_id, cx)
                 });
             }
         }

crates/channel/src/channel_chat.rs

@@ -681,7 +681,7 @@ pub fn mentions_to_proto(mentions: &[(Range<usize>, UserId)]) -> Vec<proto::Chat
                 start: range.start as u64,
                 end: range.end as u64,
             }),
-            user_id: *user_id as u64,
+            user_id: *user_id,
         })
         .collect()
 }

crates/channel/src/channel_store.rs

@@ -3,7 +3,7 @@ mod channel_index;
 use crate::{channel_buffer::ChannelBuffer, channel_chat::ChannelChat, ChannelMessage};
 use anyhow::{anyhow, Result};
 use channel_index::ChannelIndex;
-use client::{ChannelId, Client, Subscription, User, UserId, UserStore};
+use client::{ChannelId, Client, ClientSettings, ProjectId, Subscription, User, UserId, UserStore};
 use collections::{hash_map, HashMap, HashSet};
 use futures::{channel::mpsc, future::Shared, Future, FutureExt, StreamExt};
 use gpui::{
@@ -11,11 +11,11 @@ use gpui::{
     Task, WeakModel,
 };
 use language::Capability;
-use release_channel::RELEASE_CHANNEL;
 use rpc::{
     proto::{self, ChannelRole, ChannelVisibility},
     TypedEnvelope,
 };
+use settings::Settings;
 use std::{mem, sync::Arc, time::Duration};
 use util::{async_maybe, maybe, ResultExt};
 
@@ -27,10 +27,7 @@ pub fn init(client: &Arc<Client>, user_store: Model<UserStore>, cx: &mut AppCont
     cx.set_global(GlobalChannelStore(channel_store));
 }
 
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
-pub struct HostedProjectId(pub u64);
-
-#[derive(Debug, Clone, Default)]
+#[derive(Debug, Clone, Default, PartialEq)]
 struct NotesVersion {
     epoch: u64,
     version: clock::Global,
@@ -38,7 +35,7 @@ struct NotesVersion {
 
 #[derive(Debug, Clone)]
 pub struct HostedProject {
-    id: HostedProjectId,
+    project_id: ProjectId,
     channel_id: ChannelId,
     name: SharedString,
     _visibility: proto::ChannelVisibility,
@@ -47,7 +44,7 @@ pub struct HostedProject {
 impl From<proto::HostedProject> for HostedProject {
     fn from(project: proto::HostedProject) -> Self {
         Self {
-            id: HostedProjectId(project.id),
+            project_id: ProjectId(project.project_id),
             channel_id: ChannelId(project.channel_id),
             _visibility: project.visibility(),
             name: project.name.into(),
@@ -60,7 +57,7 @@ pub struct ChannelStore {
     channel_invitations: Vec<Arc<Channel>>,
     channel_participants: HashMap<ChannelId, Vec<Arc<User>>>,
     channel_states: HashMap<ChannelId, ChannelState>,
-    hosted_projects: HashMap<HostedProjectId, HostedProject>,
+    hosted_projects: HashMap<ProjectId, HostedProject>,
 
     outgoing_invites: HashSet<(ChannelId, UserId)>,
     update_channels_tx: mpsc::UnboundedSender<proto::UpdateChannels>,
@@ -82,27 +79,28 @@ pub struct Channel {
     pub parent_path: Vec<ChannelId>,
 }
 
-#[derive(Default)]
+#[derive(Default, Debug)]
 pub struct ChannelState {
     latest_chat_message: Option<u64>,
-    latest_notes_versions: Option<NotesVersion>,
+    latest_notes_version: NotesVersion,
+    observed_notes_version: NotesVersion,
     observed_chat_message: Option<u64>,
-    observed_notes_versions: Option<NotesVersion>,
     role: Option<ChannelRole>,
-    projects: HashSet<HostedProjectId>,
+    projects: HashSet<ProjectId>,
 }
 
 impl Channel {
-    pub fn link(&self) -> String {
-        RELEASE_CHANNEL.link_prefix().to_owned()
-            + "channel/"
-            + &Self::slug(&self.name)
-            + "-"
-            + &self.id.to_string()
+    pub fn link(&self, cx: &AppContext) -> String {
+        format!(
+            "{}/channel/{}-{}",
+            ClientSettings::get_global(cx).server_url,
+            Self::slug(&self.name),
+            self.id
+        )
     }
 
-    pub fn notes_link(&self, heading: Option<String>) -> String {
-        self.link()
+    pub fn notes_link(&self, heading: Option<String>, cx: &AppContext) -> String {
+        self.link(cx)
             + "/notes"
             + &heading
                 .map(|h| format!("#{}", Self::slug(&h)))
@@ -305,8 +303,8 @@ impl ChannelStore {
         self.channel_index.by_id().get(&channel_id)
     }
 
-    pub fn projects_for_id(&self, channel_id: ChannelId) -> Vec<(SharedString, HostedProjectId)> {
-        let mut projects: Vec<(SharedString, HostedProjectId)> = self
+    pub fn projects_for_id(&self, channel_id: ChannelId) -> Vec<(SharedString, ProjectId)> {
+        let mut projects: Vec<(SharedString, ProjectId)> = self
             .channel_states
             .get(&channel_id)
             .map(|state| state.projects.clone())
@@ -592,7 +590,7 @@ impl ChannelStore {
         cx: &mut ModelContext<Self>,
     ) -> Task<Result<ChannelId>> {
         let client = self.client.clone();
-        let name = name.trim_start_matches("#").to_owned();
+        let name = name.trim_start_matches('#').to_owned();
         cx.spawn(move |this, mut cx| async move {
             let response = client
                 .request(proto::CreateChannel {
@@ -839,12 +837,10 @@ impl ChannelStore {
             Ok(users
                 .into_iter()
                 .zip(response.members)
-                .filter_map(|(user, member)| {
-                    Some(ChannelMembership {
-                        user,
-                        role: member.role(),
-                        kind: member.kind(),
-                    })
+                .map(|(user, member)| ChannelMembership {
+                    user,
+                    role: member.role(),
+                    kind: member.kind(),
                 })
                 .collect())
         })
@@ -1161,27 +1157,27 @@ impl ChannelStore {
                 let hosted_project: HostedProject = hosted_project.into();
                 if let Some(old_project) = self
                     .hosted_projects
-                    .insert(hosted_project.id, hosted_project.clone())
+                    .insert(hosted_project.project_id, hosted_project.clone())
                 {
                     self.channel_states
                         .entry(old_project.channel_id)
                         .or_default()
-                        .remove_hosted_project(old_project.id);
+                        .remove_hosted_project(old_project.project_id);
                 }
                 self.channel_states
                     .entry(hosted_project.channel_id)
                     .or_default()
-                    .add_hosted_project(hosted_project.id);
+                    .add_hosted_project(hosted_project.project_id);
             }
 
             for hosted_project_id in payload.deleted_hosted_projects {
-                let hosted_project_id = HostedProjectId(hosted_project_id);
+                let hosted_project_id = ProjectId(hosted_project_id);
 
                 if let Some(old_project) = self.hosted_projects.remove(&hosted_project_id) {
                     self.channel_states
                         .entry(old_project.channel_id)
                         .or_default()
-                        .remove_hosted_project(old_project.id);
+                        .remove_hosted_project(old_project.project_id);
                 }
             }
         }
@@ -1238,19 +1234,12 @@ impl ChannelState {
     }
 
     fn has_channel_buffer_changed(&self) -> bool {
-        if let Some(latest_version) = &self.latest_notes_versions {
-            if let Some(observed_version) = &self.observed_notes_versions {
-                latest_version.epoch > observed_version.epoch
-                    || (latest_version.epoch == observed_version.epoch
-                        && latest_version
-                            .version
-                            .changed_since(&observed_version.version))
-            } else {
-                true
-            }
-        } else {
-            false
-        }
+        self.latest_notes_version.epoch > self.observed_notes_version.epoch
+            || (self.latest_notes_version.epoch == self.observed_notes_version.epoch
+                && self
+                    .latest_notes_version
+                    .version
+                    .changed_since(&self.observed_notes_version.version))
     }
 
     fn has_new_messages(&self) -> bool {
@@ -1277,36 +1266,32 @@ impl ChannelState {
     }
 
     fn acknowledge_notes_version(&mut self, epoch: u64, version: &clock::Global) {
-        if let Some(existing) = &mut self.observed_notes_versions {
-            if existing.epoch == epoch {
-                existing.version.join(version);
-                return;
-            }
+        if self.observed_notes_version.epoch == epoch {
+            self.observed_notes_version.version.join(version);
+        } else {
+            self.observed_notes_version = NotesVersion {
+                epoch,
+                version: version.clone(),
+            };
         }
-        self.observed_notes_versions = Some(NotesVersion {
-            epoch,
-            version: version.clone(),
-        });
     }
 
     fn update_latest_notes_version(&mut self, epoch: u64, version: &clock::Global) {
-        if let Some(existing) = &mut self.latest_notes_versions {
-            if existing.epoch == epoch {
-                existing.version.join(version);
-                return;
-            }
+        if self.latest_notes_version.epoch == epoch {
+            self.latest_notes_version.version.join(version);
+        } else {
+            self.latest_notes_version = NotesVersion {
+                epoch,
+                version: version.clone(),
+            };
         }
-        self.latest_notes_versions = Some(NotesVersion {
-            epoch,
-            version: version.clone(),
-        });
     }
 
-    fn add_hosted_project(&mut self, project_id: HostedProjectId) {
+    fn add_hosted_project(&mut self, project_id: ProjectId) {
         self.projects.insert(project_id);
     }
 
-    fn remove_hosted_project(&mut self, project_id: HostedProjectId) {
+    fn remove_hosted_project(&mut self, project_id: ProjectId) {
         self.projects.remove(&project_id);
     }
 }

crates/channel/src/channel_store/channel_index.rs

@@ -97,9 +97,9 @@ impl<'a> Drop for ChannelPathsInsertGuard<'a> {
     }
 }
 
-fn channel_path_sorting_key<'a>(
+fn channel_path_sorting_key(
     id: ChannelId,
-    channels_by_id: &'a BTreeMap<ChannelId, Arc<Channel>>,
+    channels_by_id: &BTreeMap<ChannelId, Arc<Channel>>,
 ) -> impl Iterator<Item = (&str, ChannelId)> {
     let (parent_path, name) = channels_by_id
         .get(&id)

crates/cli/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/cli.rs"
 doctest = false
@@ -15,6 +18,7 @@ path = "src/main.rs"
 
 [dependencies]
 anyhow.workspace = true
+# TODO: Use workspace version of `clap`.
 clap = { version = "3.1", features = ["derive"] }
 ipc-channel = "0.16"
 serde.workspace = true

crates/cli/src/cli.rs

@@ -9,12 +9,11 @@ pub struct IpcHandshake {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub enum CliRequest {
-    // The filed is named `path` for compatibility, but now CLI can request
-    // opening a path at a certain row and/or column: `some/path:123` and `some/path:123:456`.
-    //
-    // Since Zed CLI has to be installed separately, there can be situations when old CLI is
-    // querying new Zed editors, support both formats by using `String` here and parsing it on Zed side later.
-    Open { paths: Vec<String>, wait: bool },
+    Open {
+        paths: Vec<String>,
+        wait: bool,
+        open_new_workspace: Option<bool>,
+    },
 }
 
 #[derive(Debug, Serialize, Deserialize)]

crates/cli/src/main.rs

@@ -5,19 +5,25 @@ use clap::Parser;
 use cli::{CliRequest, CliResponse};
 use serde::Deserialize;
 use std::{
+    env,
     ffi::OsStr,
-    fs::{self, OpenOptions},
-    io,
+    fs::{self},
     path::{Path, PathBuf},
 };
 use util::paths::PathLikeWithPosition;
 
-#[derive(Parser)]
+#[derive(Parser, Debug)]
 #[clap(name = "zed", global_setting(clap::AppSettings::NoAutoVersion))]
 struct Args {
     /// Wait for all of the given paths to be opened/closed before exiting.
     #[clap(short, long)]
     wait: bool,
+    /// Add files to the currently open workspace
+    #[clap(short, long, overrides_with = "new")]
+    add: bool,
+    /// Create a new workspace
+    #[clap(short, long, overrides_with = "add")]
+    new: bool,
     /// A sequence of space-separated paths that you want to open.
     ///
     /// Use `path:line:row` syntax to open a file at a specific location.
@@ -56,31 +62,41 @@ fn main() -> Result<()> {
         return Ok(());
     }
 
-    for path in args
-        .paths_with_position
-        .iter()
-        .map(|path_with_position| &path_with_position.path_like)
-    {
-        if !path.exists() {
-            touch(path.as_path())?;
-        }
+    let curdir = env::current_dir()?;
+    let mut paths = vec![];
+    for path in args.paths_with_position {
+        let canonicalized = path.map_path_like(|path| match fs::canonicalize(&path) {
+            Ok(path) => Ok(path),
+            Err(e) => {
+                if let Some(mut parent) = path.parent() {
+                    if parent == Path::new("") {
+                        parent = &curdir;
+                    }
+                    match fs::canonicalize(parent) {
+                        Ok(parent) => Ok(parent.join(path.file_name().unwrap())),
+                        Err(_) => Err(e),
+                    }
+                } else {
+                    Err(e)
+                }
+            }
+        })?;
+        paths.push(canonicalized.to_string(|path| path.display().to_string()))
     }
 
     let (tx, rx) = bundle.launch()?;
+    let open_new_workspace = if args.new {
+        Some(true)
+    } else if args.add {
+        Some(false)
+    } else {
+        None
+    };
 
     tx.send(CliRequest::Open {
-        paths: args
-            .paths_with_position
-            .into_iter()
-            .map(|path_with_position| {
-                let path_with_position = path_with_position.map_path_like(|path| {
-                    fs::canonicalize(&path)
-                        .with_context(|| format!("path {path:?} canonicalization"))
-                })?;
-                Ok(path_with_position.to_string(|path| path.display().to_string()))
-            })
-            .collect::<Result<_>>()?,
+        paths,
         wait: args.wait,
+        open_new_workspace,
     })?;
 
     while let Ok(response) = rx.recv() {
@@ -106,13 +122,6 @@ enum Bundle {
     },
 }
 
-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();
@@ -156,7 +165,7 @@ mod linux {
     }
 }
 
-// todo!("windows")
+// todo("windows")
 #[cfg(target_os = "windows")]
 mod windows {
     use std::path::Path;

crates/client/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/client.rs"
 doctest = false

crates/client/src/client.rs

@@ -27,7 +27,7 @@ use release_channel::{AppVersion, ReleaseChannel};
 use rpc::proto::{AnyTypedEnvelope, EntityMessage, EnvelopedMessage, PeerId, RequestMessage};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use serde_json;
+
 use settings::{Settings, SettingsStore};
 use std::{
     any::TypeId,
@@ -61,7 +61,7 @@ lazy_static! {
     pub static ref ZED_APP_PATH: Option<PathBuf> =
         std::env::var("ZED_APP_PATH").ok().map(PathBuf::from);
     pub static ref ZED_ALWAYS_ACTIVE: bool =
-        std::env::var("ZED_ALWAYS_ACTIVE").map_or(false, |e| e.len() > 0);
+        std::env::var("ZED_ALWAYS_ACTIVE").map_or(false, |e| !e.is_empty());
 }
 
 pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(100);
@@ -427,7 +427,7 @@ impl Client {
         http: Arc<HttpClientWithUrl>,
         cx: &mut AppContext,
     ) -> Arc<Self> {
-        let client = Arc::new(Self {
+        Arc::new(Self {
             id: AtomicU64::new(0),
             peer: Peer::new(0),
             telemetry: Telemetry::new(clock, http.clone(), cx),
@@ -438,9 +438,7 @@ impl Client {
             authenticate: Default::default(),
             #[cfg(any(test, feature = "test-support"))]
             establish_connection: Default::default(),
-        });
-
-        client
+        })
     }
 
     pub fn id(&self) -> u64 {
@@ -573,17 +571,18 @@ impl Client {
         let mut state = self.state.write();
         if state.entities_by_type_and_remote_id.contains_key(&id) {
             return Err(anyhow!("already subscribed to entity"));
-        } else {
-            state
-                .entities_by_type_and_remote_id
-                .insert(id, WeakSubscriber::Pending(Default::default()));
-            Ok(PendingEntitySubscription {
-                client: self.clone(),
-                remote_id,
-                consumed: false,
-                _entity_type: PhantomData,
-            })
         }
+
+        state
+            .entities_by_type_and_remote_id
+            .insert(id, WeakSubscriber::Pending(Default::default()));
+
+        Ok(PendingEntitySubscription {
+            client: self.clone(),
+            remote_id,
+            consumed: false,
+            _entity_type: PhantomData,
+        })
     }
 
     #[track_caller]
@@ -926,7 +925,7 @@ impl Client {
             move |cx| async move {
                 match handle_io.await {
                     Ok(()) => {
-                        if this.status().borrow().clone()
+                        if *this.status().borrow()
                             == (Status::Connected {
                                 connection_id,
                                 peer_id,
@@ -1335,7 +1334,7 @@ impl Client {
                     pending.push(message);
                     return;
                 }
-                Some(weak_subscriber @ _) => match weak_subscriber {
+                Some(weak_subscriber) => match weak_subscriber {
                     WeakSubscriber::Entity { handle } => {
                         subscriber = handle.upgrade();
                     }
@@ -1438,21 +1437,29 @@ async fn delete_credentials_from_keychain(cx: &AsyncAppContext) -> Result<()> {
         .await
 }
 
-const WORKTREE_URL_PREFIX: &str = "zed://worktrees/";
+/// prefix for the zed:// url scheme
+pub static ZED_URL_SCHEME: &str = "zed";
 
-pub fn encode_worktree_url(id: u64, access_token: &str) -> String {
-    format!("{}{}/{}", WORKTREE_URL_PREFIX, id, access_token)
-}
-
-pub fn decode_worktree_url(url: &str) -> Option<(u64, String)> {
-    let path = url.trim().strip_prefix(WORKTREE_URL_PREFIX)?;
-    let mut parts = path.split('/');
-    let id = parts.next()?.parse::<u64>().ok()?;
-    let access_token = parts.next()?;
-    if access_token.is_empty() {
-        return None;
+/// Parses the given link into a Zed link.
+///
+/// Returns a [`Some`] containing the unprefixed link if the link is a Zed link.
+/// Returns [`None`] otherwise.
+pub fn parse_zed_link<'a>(link: &'a str, cx: &AppContext) -> Option<&'a str> {
+    let server_url = &ClientSettings::get_global(cx).server_url;
+    if let Some(stripped) = link
+        .strip_prefix(server_url)
+        .and_then(|result| result.strip_prefix('/'))
+    {
+        return Some(stripped);
     }
-    Some((id, access_token.to_string()))
+    if let Some(stripped) = link
+        .strip_prefix(ZED_URL_SCHEME)
+        .and_then(|result| result.strip_prefix("://"))
+    {
+        return Some(stripped);
+    }
+
+    None
 }
 
 #[cfg(test)]
@@ -1630,17 +1637,6 @@ mod tests {
         assert_eq!(*dropped_auth_count.lock(), 1);
     }
 
-    #[test]
-    fn test_encode_and_decode_worktree_url() {
-        let url = encode_worktree_url(5, "deadbeef");
-        assert_eq!(decode_worktree_url(&url), Some((5, "deadbeef".to_string())));
-        assert_eq!(
-            decode_worktree_url(&format!("\n {}\t", url)),
-            Some((5, "deadbeef".to_string()))
-        );
-        assert_eq!(decode_worktree_url("not://the-right-format"), None);
-    }
-
     #[gpui::test]
     async fn test_subscribing_to_entity(cx: &mut TestAppContext) {
         init_test(cx);

crates/client/src/telemetry.rs

@@ -12,9 +12,7 @@ use settings::{Settings, SettingsStore};
 use sha2::{Digest, Sha256};
 use std::io::Write;
 use std::{env, mem, path::PathBuf, sync::Arc, time::Duration};
-use sysinfo::{
-    CpuRefreshKind, Pid, PidExt, ProcessExt, ProcessRefreshKind, RefreshKind, System, SystemExt,
-};
+use sysinfo::{CpuRefreshKind, MemoryRefreshKind, Pid, ProcessRefreshKind, RefreshKind, System};
 use telemetry_events::{
     ActionEvent, AppEvent, AssistantEvent, AssistantKind, CallEvent, CopilotEvent, CpuEvent,
     EditEvent, EditorEvent, Event, EventRequestBody, EventWrapper, MemoryEvent, SettingEvent,
@@ -84,7 +82,7 @@ impl Telemetry {
         TelemetrySettings::register(cx);
 
         let state = Arc::new(Mutex::new(TelemetryState {
-            settings: TelemetrySettings::get_global(cx).clone(),
+            settings: *TelemetrySettings::get_global(cx),
             app_metadata: cx.app_metadata(),
             architecture: env::consts::ARCH,
             release_channel,
@@ -119,7 +117,7 @@ impl Telemetry {
 
             move |cx| {
                 let mut state = state.lock();
-                state.settings = TelemetrySettings::get_global(cx).clone();
+                state.settings = *TelemetrySettings::get_global(cx);
             }
         })
         .detach();
@@ -168,14 +166,14 @@ impl Telemetry {
     ) {
         let mut state = self.state.lock();
         state.installation_id = installation_id.map(|id| id.into());
-        state.session_id = Some(session_id.into());
+        state.session_id = Some(session_id);
         drop(state);
 
         let this = self.clone();
         cx.spawn(|_| async move {
             // Avoiding calling `System::new_all()`, as there have been crashes related to it
             let refresh_kind = RefreshKind::new()
-                .with_memory() // For memory usage
+                .with_memory(MemoryRefreshKind::everything()) // For memory usage
                 .with_processes(ProcessRefreshKind::everything()) // For process usage
                 .with_cpu(CpuRefreshKind::everything()); // For core count
 
@@ -263,7 +261,7 @@ impl Telemetry {
         self: &Arc<Self>,
         conversation_id: Option<String>,
         kind: AssistantKind,
-        model: &'static str,
+        model: &str,
     ) {
         let event = Event::Assistant(AssistantEvent {
             conversation_id,
@@ -387,11 +385,9 @@ impl Telemetry {
             event,
         });
 
-        if state.installation_id.is_some() {
-            if state.events_queue.len() >= state.max_queue_size {
-                drop(state);
-                self.flush_events();
-            }
+        if state.installation_id.is_some() && state.events_queue.len() >= state.max_queue_size {
+            drop(state);
+            self.flush_events();
         }
     }
 
@@ -433,7 +429,7 @@ impl Telemetry {
                             json_bytes.clear();
                             serde_json::to_writer(&mut json_bytes, event)?;
                             file.write_all(&json_bytes)?;
-                            file.write(b"\n")?;
+                            file.write_all(b"\n")?;
                         }
                     }
 
@@ -442,7 +438,7 @@ impl Telemetry {
                         let request_body = EventRequestBody {
                             installation_id: state.installation_id.as_deref().map(Into::into),
                             session_id: state.session_id.clone(),
-                            is_staff: state.is_staff.clone(),
+                            is_staff: state.is_staff,
                             app_version: state
                                 .app_metadata
                                 .app_version

crates/client/src/user.rs

@@ -24,6 +24,9 @@ impl std::fmt::Display for ChannelId {
     }
 }
 
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
+pub struct ProjectId(pub u64);
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct ParticipantIndex(pub u32);
 
@@ -653,7 +656,7 @@ impl UserStore {
                 let users = response
                     .users
                     .into_iter()
-                    .map(|user| User::new(user))
+                    .map(User::new)
                     .collect::<Vec<_>>();
 
                 this.update(&mut cx, |this, _| {

crates/clock/Cargo.toml

@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"
 
+[lints]
+workspace = true
+
 [lib]
 path = "src/clock.rs"
 doctest = false

crates/collab/.env.toml

@@ -19,5 +19,7 @@ ZED_CLIENT_CHECKSUM_SEED = "development-checksum-seed"
 # CLICKHOUSE_PASSWORD = ""
 # CLICKHOUSE_DATABASE = "default"
 
+# SLACK_PANICS_WEBHOOK = ""
+
 # RUST_LOG=info
 # LOG_JSON=true

crates/collab/Cargo.toml

@@ -7,23 +7,23 @@ version = "0.44.0"
 publish = false
 license = "AGPL-3.0-or-later"
 
-[features]
-seed-support = ["reqwest"]
+[lints]
+workspace = true
 
 [[bin]]
 name = "collab"
 
 [[bin]]
 name = "seed"
-required-features = ["seed-support"]
 
 [dependencies]
 anyhow.workspace = true
 async-tungstenite = "0.16"
 aws-config = { version = "1.1.5" }
 aws-sdk-s3 = { version = "1.15.0" }
-axum = { version = "0.5", features = ["json", "headers", "ws"] }
-axum-extra = { version = "0.3", features = ["erased-json"] }
+axum = { version = "0.6", features = ["json", "headers", "ws"] }
+axum-extra = { version = "0.4", features = ["erased-json"] }
+base64.workspace = true
 chrono.workspace = true
 clock.workspace = true
 clickhouse.workspace = true
@@ -32,8 +32,6 @@ dashmap = "5.4"
 envy = "0.4.2"
 futures.workspace = true
 hex.workspace = true
-hyper = "0.14"
-lazy_static.workspace = true
 live_kit_server.workspace = true
 log.workspace = true
 nanoid = "0.4"
@@ -41,7 +39,7 @@ parking_lot.workspace = true
 prometheus = "0.13"
 prost.workspace = true
 rand.workspace = true
-reqwest = { version = "0.11", features = ["json"], optional = true }
+reqwest = { version = "0.11", features = ["json"] }
 rpc.workspace = true
 scrypt = "0.7"
 sea-orm = { version = "0.12.x", features = ["sqlx-postgres", "postgres-array", "runtime-tokio-rustls", "with-uuid"] }
@@ -51,6 +49,8 @@ serde_derive.workspace = true
 serde_json.workspace = true
 sha2.workspace = true
 sqlx = { version = "0.7", features = ["runtime-tokio-rustls", "postgres", "json", "time", "uuid", "any"] }
+subtle.workspace = true
+rustc-demangle.workspace = true
 telemetry_events.workspace = true
 text.workspace = true
 time.workspace = true
@@ -59,8 +59,7 @@ toml.workspace = true
 tower = "0.4"
 tower-http = { workspace = true, features = ["trace"] }
 tracing = "0.1.34"
-tracing-log = "0.1.3"
-tracing-subscriber = { version = "0.3.11", features = ["env-filter", "json"] }
+tracing-subscriber = { version = "0.3.11", features = ["env-filter", "json", "registry", "tracing-log"] }
 util.workspace = true
 uuid.workspace = true
 

crates/collab/k8s/collab.template.yml

@@ -11,6 +11,8 @@ metadata:
   namespace: ${ZED_KUBE_NAMESPACE}
   name: ${ZED_SERVICE_NAME}
   annotations:
+    service.beta.kubernetes.io/do-loadbalancer-name: "${ZED_SERVICE_NAME}-${ZED_KUBE_NAMESPACE}"
+    service.beta.kubernetes.io/do-loadbalancer-size-unit: "${ZED_LOAD_BALANCER_SIZE_UNIT}"
     service.beta.kubernetes.io/do-loadbalancer-tls-ports: "443"
     service.beta.kubernetes.io/do-loadbalancer-certificate-id: ${ZED_DO_CERTIFICATE_ID}
     service.beta.kubernetes.io/do-loadbalancer-disable-lets-encrypt-dns-records: "true"
@@ -33,6 +35,11 @@ metadata:
 
 spec:
   replicas: 1
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
   selector:
     matchLabels:
       app: ${ZED_SERVICE_NAME}
@@ -76,6 +83,13 @@ spec:
               port: 8080
             initialDelaySeconds: 1
             periodSeconds: 1
+          startupProbe:
+            httpGet:
+              path: /
+              port: 8080
+            initialDelaySeconds: 1
+            periodSeconds: 1
+            failureThreshold: 15
           env:
             - name: HTTP_PORT
               value: "8080"
@@ -156,6 +170,11 @@ spec:
                 secretKeyRef:
                   name: clickhouse
                   key: database
+            - name: SLACK_PANICS_WEBHOOK
+              valueFrom:
+                secretKeyRef:
+                  name: slack
+                  key: panics_webhook
             - name: INVITE_LINK_PREFIX
               value: ${INVITE_LINK_PREFIX}
             - name: RUST_BACKTRACE
@@ -171,3 +190,4 @@ spec:
               # FIXME - Switch to the more restrictive `PERFMON` capability.
               # This capability isn't yet available in a stable version of Debian.
               add: ["SYS_ADMIN"]
+      terminationGracePeriodSeconds: 10

crates/collab/k8s/postgrest.template.yml

@@ -5,6 +5,7 @@ metadata:
   namespace: ${ZED_KUBE_NAMESPACE}
   name: postgrest
   annotations:
+    service.beta.kubernetes.io/do-loadbalancer-name: "postgrest-${ZED_KUBE_NAMESPACE}"
     service.beta.kubernetes.io/do-loadbalancer-tls-ports: "443"
     service.beta.kubernetes.io/do-loadbalancer-certificate-id: ${ZED_DO_CERTIFICATE_ID}
     service.beta.kubernetes.io/do-loadbalancer-disable-lets-encrypt-dns-records: "true"

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

@@ -46,10 +46,11 @@ CREATE UNIQUE INDEX "index_rooms_on_channel_id" ON "rooms" ("channel_id");
 CREATE TABLE "projects" (
     "id" INTEGER PRIMARY KEY AUTOINCREMENT,
     "room_id" INTEGER REFERENCES rooms (id) ON DELETE CASCADE NOT NULL,
-    "host_user_id" INTEGER REFERENCES users (id) NOT NULL,
+    "host_user_id" INTEGER REFERENCES users (id),
     "host_connection_id" INTEGER,
     "host_connection_server_id" INTEGER REFERENCES servers (id) ON DELETE CASCADE,
-    "unregistered" BOOLEAN NOT NULL DEFAULT FALSE
+    "unregistered" BOOLEAN NOT NULL DEFAULT FALSE,
+    "hosted_project_id" INTEGER REFERENCES hosted_projects (id)
 );
 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");
@@ -247,7 +248,10 @@ CREATE UNIQUE INDEX "index_channel_members_on_channel_id_and_user_id" ON "channe
 CREATE TABLE "buffers" (
     "id" INTEGER PRIMARY KEY AUTOINCREMENT,
     "channel_id" INTEGER NOT NULL REFERENCES channels (id) ON DELETE CASCADE,
-    "epoch" INTEGER NOT NULL DEFAULT 0
+    "epoch" INTEGER NOT NULL DEFAULT 0,
+    "latest_operation_epoch" INTEGER,
+    "latest_operation_replica_id" INTEGER,
+    "latest_operation_lamport_timestamp" INTEGER
 );
 
 CREATE INDEX "index_buffers_on_channel_id" ON "buffers" ("channel_id");

crates/collab/migrations/20240227215556_hosted_projects_in_projects.sql

@@ -0,0 +1,3 @@
+-- Add migration script here
+ALTER TABLE projects ALTER COLUMN host_user_id DROP NOT NULL;
+ALTER TABLE projects ADD COLUMN hosted_project_id INTEGER REFERENCES hosted_projects(id) UNIQUE NULL;

crates/collab/migrations/20240307163119_denormalize_buffer_ops.sql

@@ -0,0 +1,17 @@
+-- Add migration script here
+
+ALTER TABLE buffers ADD COLUMN latest_operation_epoch INTEGER;
+ALTER TABLE buffers ADD COLUMN latest_operation_lamport_timestamp INTEGER;
+ALTER TABLE buffers ADD COLUMN latest_operation_replica_id INTEGER;
+
+WITH ops AS (
+    SELECT DISTINCT ON (buffer_id) buffer_id, epoch, lamport_timestamp, replica_id
+    FROM buffer_operations
+    ORDER BY buffer_id, epoch DESC, lamport_timestamp DESC, replica_id DESC
+)
+UPDATE buffers
+SET latest_operation_epoch = ops.epoch,
+    latest_operation_lamport_timestamp = ops.lamport_timestamp,
+    latest_operation_replica_id = ops.replica_id
+FROM ops
+WHERE buffers.id = ops.buffer_id;

crates/collab/src/api.rs

@@ -1,5 +1,7 @@
 pub mod events;
 pub mod extensions;
+pub mod ips_file;
+pub mod slack;
 
 use crate::{
     auth,
@@ -9,7 +11,7 @@ use crate::{
 use anyhow::anyhow;
 use axum::{
     body::Body,
-    extract::{Path, Query},
+    extract::{self, Path, Query},
     http::{self, Request, StatusCode},
     middleware::{self, Next},
     response::IntoResponse,
@@ -21,15 +23,13 @@ use chrono::SecondsFormat;
 use serde::{Deserialize, Serialize};
 use std::sync::Arc;
 use tower::ServiceBuilder;
-use tracing::instrument;
 
 pub use extensions::fetch_extensions_from_blob_store_periodically;
 
-pub fn routes(rpc_server: Option<Arc<rpc::Server>>, state: Arc<AppState>) -> Router<Body> {
+pub fn routes(rpc_server: Option<Arc<rpc::Server>>, state: Arc<AppState>) -> Router<(), Body> {
     Router::new()
         .route("/user", get(get_authenticated_user))
         .route("/users/:id/access_tokens", post(create_access_token))
-        .route("/panic", post(trace_panic))
         .route("/rpc_server_snapshot", get(get_rpc_server_snapshot))
         .route("/contributors", get(get_contributors).post(add_contributor))
         .route("/contributor", get(check_is_contributor))
@@ -120,20 +120,6 @@ struct CreateUserResponse {
     metrics_id: String,
 }
 
-#[derive(Debug, Deserialize)]
-struct Panic {
-    version: String,
-    release_channel: String,
-    backtrace_hash: String,
-    text: String,
-}
-
-#[instrument(skip(panic))]
-async fn trace_panic(panic: Json<Panic>) -> Result<()> {
-    tracing::error!(version = %panic.version, release_channel = %panic.release_channel, backtrace_hash = %panic.backtrace_hash, text = %panic.text, "panic report");
-    Ok(())
-}
-
 async fn get_rpc_server_snapshot(
     Extension(rpc_server): Extension<Option<Arc<rpc::Server>>>,
 ) -> Result<ErasedJson> {
@@ -190,17 +176,16 @@ async fn check_is_contributor(
 }
 
 async fn add_contributor(
-    Json(params): Json<AuthenticatedUserParams>,
     Extension(app): Extension<Arc<AppState>>,
+    extract::Json(params): extract::Json<AuthenticatedUserParams>,
 ) -> Result<()> {
-    Ok(app
-        .db
+    app.db
         .add_contributor(
             &params.github_login,
             params.github_user_id,
             params.github_email.as_deref(),
         )
-        .await?)
+        .await
 }
 
 #[derive(Deserialize)]

crates/collab/src/api/events.rs

@@ -1,34 +1,38 @@
-use std::sync::Arc;
+use std::sync::{Arc, OnceLock};
 
 use anyhow::{anyhow, Context};
+use aws_sdk_s3::primitives::ByteStream;
 use axum::{
-    body::Bytes, headers::Header, http::HeaderName, routing::post, Extension, Router, TypedHeader,
+    body::Bytes,
+    headers::Header,
+    http::{HeaderMap, HeaderName, StatusCode},
+    routing::post,
+    Extension, Router, TypedHeader,
 };
-use hyper::StatusCode;
-use lazy_static::lazy_static;
 use serde::{Serialize, Serializer};
 use sha2::{Digest, Sha256};
 use telemetry_events::{
     ActionEvent, AppEvent, AssistantEvent, CallEvent, CopilotEvent, CpuEvent, EditEvent,
     EditorEvent, Event, EventRequestBody, EventWrapper, MemoryEvent, SettingEvent,
 };
+use util::SemanticVersion;
 
-use crate::{AppState, Error, Result};
+use crate::{api::slack, AppState, Error, Result};
+
+use super::ips_file::IpsFile;
 
 pub fn router() -> Router {
-    Router::new().route("/telemetry/events", post(post_events))
-}
-
-lazy_static! {
-    static ref ZED_CHECKSUM_HEADER: HeaderName = HeaderName::from_static("x-zed-checksum");
-    static ref CLOUDFLARE_IP_COUNTRY_HEADER: HeaderName = HeaderName::from_static("cf-ipcountry");
+    Router::new()
+        .route("/telemetry/events", post(post_events))
+        .route("/telemetry/crashes", post(post_crash))
 }
 
 pub struct ZedChecksumHeader(Vec<u8>);
 
 impl Header for ZedChecksumHeader {
     fn name() -> &'static HeaderName {
-        &ZED_CHECKSUM_HEADER
+        static ZED_CHECKSUM_HEADER: OnceLock<HeaderName> = OnceLock::new();
+        ZED_CHECKSUM_HEADER.get_or_init(|| HeaderName::from_static("x-zed-checksum"))
     }
 
     fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
@@ -55,7 +59,8 @@ pub struct CloudflareIpCountryHeader(String);
 
 impl Header for CloudflareIpCountryHeader {
     fn name() -> &'static HeaderName {
-        &CLOUDFLARE_IP_COUNTRY_HEADER
+        static CLOUDFLARE_IP_COUNTRY_HEADER: OnceLock<HeaderName> = OnceLock::new();
+        CLOUDFLARE_IP_COUNTRY_HEADER.get_or_init(|| HeaderName::from_static("cf-ipcountry"))
     }
 
     fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
@@ -77,6 +82,140 @@ impl Header for CloudflareIpCountryHeader {
     }
 }
 
+pub async fn post_crash(
+    Extension(app): Extension<Arc<AppState>>,
+    headers: HeaderMap,
+    body: Bytes,
+) -> Result<()> {
+    static CRASH_REPORTS_BUCKET: &str = "zed-crash-reports";
+
+    let report = IpsFile::parse(&body)?;
+    let version_threshold = SemanticVersion::new(0, 123, 0);
+
+    let bundle_id = &report.header.bundle_id;
+    let app_version = &report.app_version();
+
+    if bundle_id == "dev.zed.Zed-Dev" {
+        log::error!("Crash uploads from {} are ignored.", bundle_id);
+        return Ok(());
+    }
+
+    if app_version.is_none() || app_version.unwrap() < version_threshold {
+        log::error!(
+            "Crash uploads from {} are ignored.",
+            report.header.app_version
+        );
+        return Ok(());
+    }
+    let app_version = app_version.unwrap();
+
+    if let Some(blob_store_client) = app.blob_store_client.as_ref() {
+        let response = blob_store_client
+            .head_object()
+            .bucket(CRASH_REPORTS_BUCKET)
+            .key(report.header.incident_id.clone() + ".ips")
+            .send()
+            .await;
+
+        if response.is_ok() {
+            log::info!("We've already uploaded this crash");
+            return Ok(());
+        }
+
+        blob_store_client
+            .put_object()
+            .bucket(CRASH_REPORTS_BUCKET)
+            .key(report.header.incident_id.clone() + ".ips")
+            .acl(aws_sdk_s3::types::ObjectCannedAcl::PublicRead)
+            .body(ByteStream::from(body.to_vec()))
+            .send()
+            .await
+            .map_err(|e| log::error!("Failed to upload crash: {}", e))
+            .ok();
+    }
+
+    let recent_panic_on: Option<i64> = headers
+        .get("x-zed-panicked-on")
+        .and_then(|h| h.to_str().ok())
+        .and_then(|s| s.parse().ok());
+    let mut recent_panic = None;
+
+    if let Some(recent_panic_on) = recent_panic_on {
+        let crashed_at = match report.timestamp() {
+            Ok(t) => Some(t),
+            Err(e) => {
+                log::error!("Can't parse {}: {}", report.header.timestamp, e);
+                None
+            }
+        };
+        if crashed_at.is_some_and(|t| (t.timestamp_millis() - recent_panic_on).abs() <= 30000) {
+            recent_panic = headers.get("x-zed-panic").and_then(|h| h.to_str().ok());
+        }
+    }
+
+    let description = report.description(recent_panic);
+    let summary = report.backtrace_summary();
+
+    tracing::error!(
+        service = "client",
+        version = %report.header.app_version,
+        os_version = %report.header.os_version,
+        bundle_id = %report.header.bundle_id,
+        incident_id = %report.header.incident_id,
+        description = %description,
+        backtrace = %summary,
+        "crash report");
+
+    if let Some(slack_panics_webhook) = app.config.slack_panics_webhook.clone() {
+        let payload = slack::WebhookBody::new(|w| {
+            w.add_section(|s| s.text(slack::Text::markdown(description)))
+                .add_section(|s| {
+                    s.add_field(slack::Text::markdown(format!(
+                        "*Version:*\n{} ({})",
+                        bundle_id, app_version
+                    )))
+                    .add_field({
+                        let hostname = app.config.blob_store_url.clone().unwrap_or_default();
+                        let hostname = hostname.strip_prefix("https://").unwrap_or_else(|| {
+                            hostname.strip_prefix("http://").unwrap_or_default()
+                        });
+
+                        slack::Text::markdown(format!(
+                            "*Incident:*\n<https://{}.{}/{}.ips|{}…>",
+                            CRASH_REPORTS_BUCKET,
+                            hostname,
+                            report.header.incident_id,
+                            report
+                                .header
+                                .incident_id
+                                .chars()
+                                .take(8)
+                                .collect::<String>(),
+                        ))
+                    })
+                })
+                .add_rich_text(|r| r.add_preformatted(|p| p.add_text(summary)))
+        });
+        let payload_json = serde_json::to_string(&payload).map_err(|err| {
+            log::error!("Failed to serialize payload to JSON: {err}");
+            Error::Internal(anyhow!(err))
+        })?;
+
+        reqwest::Client::new()
+            .post(slack_panics_webhook)
+            .header("Content-Type", "application/json")
+            .body(payload_json)
+            .send()
+            .await
+            .map_err(|err| {
+                log::error!("Failed to send payload to Slack: {err}");
+                Error::Internal(anyhow!(err))
+            })?;
+    }
+
+    Ok(())
+}
+
 pub async fn post_events(
     Extension(app): Extension<Arc<AppState>>,
     TypedHeader(ZedChecksumHeader(checksum)): TypedHeader<ZedChecksumHeader>,
@@ -102,7 +241,7 @@ pub async fn post_events(
     summer.update(&body);
     summer.update(checksum_seed);
 
-    if &checksum[..] != &summer.finalize()[..] {
+    if &checksum != &summer.finalize()[..] {
         return Err(Error::Http(
             StatusCode::BAD_REQUEST,
             "invalid checksum".into(),
@@ -219,40 +358,68 @@ struct ToUpload {
 
 impl ToUpload {
     pub async fn upload(&self, clickhouse_client: &clickhouse::Client) -> anyhow::Result<()> {
-        Self::upload_to_table("editor_events", &self.editor_events, clickhouse_client)
+        const EDITOR_EVENTS_TABLE: &str = "editor_events";
+        Self::upload_to_table(EDITOR_EVENTS_TABLE, &self.editor_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'editor_events'"))?;
-        Self::upload_to_table("copilot_events", &self.copilot_events, clickhouse_client)
-            .await
-            .with_context(|| format!("failed to upload to table 'copilot_events'"))?;
+            .with_context(|| format!("failed to upload to table '{EDITOR_EVENTS_TABLE}'"))?;
+
+        const COPILOT_EVENTS_TABLE: &str = "copilot_events";
         Self::upload_to_table(
-            "assistant_events",
+            COPILOT_EVENTS_TABLE,
+            &self.copilot_events,
+            clickhouse_client,
+        )
+        .await
+        .with_context(|| format!("failed to upload to table '{COPILOT_EVENTS_TABLE}'"))?;
+
+        const ASSISTANT_EVENTS_TABLE: &str = "assistant_events";
+        Self::upload_to_table(
+            ASSISTANT_EVENTS_TABLE,
             &self.assistant_events,
             clickhouse_client,
         )
         .await
-        .with_context(|| format!("failed to upload to table 'assistant_events'"))?;
-        Self::upload_to_table("call_events", &self.call_events, clickhouse_client)
+        .with_context(|| format!("failed to upload to table '{ASSISTANT_EVENTS_TABLE}'"))?;
+
+        const CALL_EVENTS_TABLE: &str = "call_events";
+        Self::upload_to_table(CALL_EVENTS_TABLE, &self.call_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'call_events'"))?;
-        Self::upload_to_table("cpu_events", &self.cpu_events, clickhouse_client)
+            .with_context(|| format!("failed to upload to table '{CALL_EVENTS_TABLE}'"))?;
+
+        const CPU_EVENTS_TABLE: &str = "cpu_events";
+        Self::upload_to_table(CPU_EVENTS_TABLE, &self.cpu_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'cpu_events'"))?;
-        Self::upload_to_table("memory_events", &self.memory_events, clickhouse_client)
+            .with_context(|| format!("failed to upload to table '{CPU_EVENTS_TABLE}'"))?;
+
+        const MEMORY_EVENTS_TABLE: &str = "memory_events";
+        Self::upload_to_table(MEMORY_EVENTS_TABLE, &self.memory_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'memory_events'"))?;
-        Self::upload_to_table("app_events", &self.app_events, clickhouse_client)
+            .with_context(|| format!("failed to upload to table '{MEMORY_EVENTS_TABLE}'"))?;
+
+        const APP_EVENTS_TABLE: &str = "app_events";
+        Self::upload_to_table(APP_EVENTS_TABLE, &self.app_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'app_events'"))?;
-        Self::upload_to_table("setting_events", &self.setting_events, clickhouse_client)
+            .with_context(|| format!("failed to upload to table '{APP_EVENTS_TABLE}'"))?;
+
+        const SETTING_EVENTS_TABLE: &str = "setting_events";
+        Self::upload_to_table(
+            SETTING_EVENTS_TABLE,
+            &self.setting_events,
+            clickhouse_client,
+        )
+        .await
+        .with_context(|| format!("failed to upload to table '{SETTING_EVENTS_TABLE}'"))?;
+
+        const EDIT_EVENTS_TABLE: &str = "edit_events";
+        Self::upload_to_table(EDIT_EVENTS_TABLE, &self.edit_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'setting_events'"))?;
-        Self::upload_to_table("edit_events", &self.edit_events, clickhouse_client)
+            .with_context(|| format!("failed to upload to table '{EDIT_EVENTS_TABLE}'"))?;
+
+        const ACTION_EVENTS_TABLE: &str = "action_events";
+        Self::upload_to_table(ACTION_EVENTS_TABLE, &self.action_events, clickhouse_client)
             .await
-            .with_context(|| format!("failed to upload to table 'edit_events'"))?;
-        Self::upload_to_table("action_events", &self.action_events, clickhouse_client)
-            .await
-            .with_context(|| format!("failed to upload to table 'action_events'"))?;
+            .with_context(|| format!("failed to upload to table '{ACTION_EVENTS_TABLE}'"))?;
+
         Ok(())
     }
 

crates/collab/src/api/extensions.rs

@@ -7,12 +7,12 @@ use anyhow::{anyhow, Context as _};
 use aws_sdk_s3::presigning::PresigningConfig;
 use axum::{
     extract::{Path, Query},
+    http::StatusCode,
     response::Redirect,
     routing::get,
     Extension, Json, Router,
 };
 use collections::HashMap;
-use hyper::StatusCode;
 use serde::{Deserialize, Serialize};
 use std::{sync::Arc, time::Duration};
 use time::PrimitiveDateTime;
@@ -140,6 +140,8 @@ async fn fetch_extensions_from_blob_store(
     blob_store_bucket: &String,
     app_state: &Arc<AppState>,
 ) -> anyhow::Result<()> {
+    log::info!("fetching extensions from blob store");
+
     let list = blob_store_client
         .list_objects()
         .bucket(blob_store_bucket)
@@ -147,9 +149,7 @@ async fn fetch_extensions_from_blob_store(
         .send()
         .await?;
 
-    let objects = list
-        .contents
-        .ok_or_else(|| anyhow!("missing bucket contents"))?;
+    let objects = list.contents.unwrap_or_default();
 
     let mut published_versions = HashMap::<&str, Vec<&str>>::default();
     for object in &objects {
@@ -166,10 +166,12 @@ async fn fetch_extensions_from_blob_store(
         let Some(version) = parts.next() else {
             continue;
         };
-        published_versions
-            .entry(extension_id)
-            .or_default()
-            .push(version);
+        if parts.next() == Some("manifest.json") {
+            published_versions
+                .entry(extension_id)
+                .or_default()
+                .push(version);
+        }
     }
 
     let known_versions = app_state.db.get_known_extension_versions().await?;
@@ -184,46 +186,20 @@ async fn fetch_extensions_from_blob_store(
                 .binary_search_by_key(&published_version, String::as_str)
                 .is_err()
             {
-                let object = blob_store_client
-                    .get_object()
-                    .bucket(blob_store_bucket)
-                    .key(format!(
-                        "extensions/{extension_id}/{published_version}/manifest.json"
-                    ))
-                    .send()
-                    .await?;
-                let manifest_bytes = object
-                    .body
-                    .collect()
-                    .await
-                    .map(|data| data.into_bytes())
-                    .with_context(|| format!("failed to download manifest for extension {extension_id} version {published_version}"))?
-                    .to_vec();
-                let manifest = serde_json::from_slice::<ExtensionManifest>(&manifest_bytes)
-                    .with_context(|| format!("invalid manifest for extension {extension_id} version {published_version}: {}", String::from_utf8_lossy(&manifest_bytes)))?;
-
-                let published_at = object.last_modified.ok_or_else(|| anyhow!("missing last modified timestamp for extension {extension_id} version {published_version}"))?;
-                let published_at =
-                    time::OffsetDateTime::from_unix_timestamp_nanos(published_at.as_nanos())?;
-                let published_at = PrimitiveDateTime::new(published_at.date(), published_at.time());
-
-                let version = semver::Version::parse(&manifest.version).with_context(|| {
-                    format!(
-                        "invalid version for extension {extension_id} version {published_version}"
-                    )
-                })?;
-
-                new_versions
-                    .entry(extension_id)
-                    .or_default()
-                    .push(NewExtensionVersion {
-                        name: manifest.name,
-                        version,
-                        description: manifest.description.unwrap_or_default(),
-                        authors: manifest.authors,
-                        repository: manifest.repository,
-                        published_at,
-                    });
+                if let Some(extension) = fetch_extension_manifest(
+                    blob_store_client,
+                    blob_store_bucket,
+                    extension_id,
+                    published_version,
+                )
+                .await
+                .log_err()
+                {
+                    new_versions
+                        .entry(extension_id)
+                        .or_default()
+                        .push(extension);
+                }
             }
         }
     }
@@ -233,5 +209,56 @@ async fn fetch_extensions_from_blob_store(
         .insert_extension_versions(&new_versions)
         .await?;
 
+    log::info!(
+        "fetched {} new extensions from blob store",
+        new_versions.values().map(|v| v.len()).sum::<usize>()
+    );
+
     Ok(())
 }
+
+async fn fetch_extension_manifest(
+    blob_store_client: &aws_sdk_s3::Client,
+    blob_store_bucket: &String,
+    extension_id: &str,
+    version: &str,
+) -> Result<NewExtensionVersion, anyhow::Error> {
+    let object = blob_store_client
+        .get_object()
+        .bucket(blob_store_bucket)
+        .key(format!("extensions/{extension_id}/{version}/manifest.json"))
+        .send()
+        .await?;
+    let manifest_bytes = object
+        .body
+        .collect()
+        .await
+        .map(|data| data.into_bytes())
+        .with_context(|| {
+            format!("failed to download manifest for extension {extension_id} version {version}")
+        })?
+        .to_vec();
+    let manifest =
+        serde_json::from_slice::<ExtensionManifest>(&manifest_bytes).with_context(|| {
+            format!(
+                "invalid manifest for extension {extension_id} version {version}: {}",
+                String::from_utf8_lossy(&manifest_bytes)
+            )
+        })?;
+    let published_at = object.last_modified.ok_or_else(|| {
+        anyhow!("missing last modified timestamp for extension {extension_id} version {version}")
+    })?;
+    let published_at = time::OffsetDateTime::from_unix_timestamp_nanos(published_at.as_nanos())?;
+    let published_at = PrimitiveDateTime::new(published_at.date(), published_at.time());
+    let version = semver::Version::parse(&manifest.version).with_context(|| {
+        format!("invalid version for extension {extension_id} version {version}")
+    })?;
+    Ok(NewExtensionVersion {
+        name: manifest.name,
+        version,
+        description: manifest.description.unwrap_or_default(),
+        authors: manifest.authors,
+        repository: manifest.repository,
+        published_at,
+    })
+}

crates/collab/src/api/ips_file.rs

@@ -0,0 +1,352 @@
+use collections::HashMap;
+
+use serde_derive::Deserialize;
+use serde_derive::Serialize;
+use serde_json::Value;
+use util::SemanticVersion;
+
+#[derive(Debug)]
+pub struct IpsFile {
+    pub header: Header,
+    pub body: Body,
+}
+
+impl IpsFile {
+    pub fn parse(bytes: &[u8]) -> anyhow::Result<IpsFile> {
+        let mut split = bytes.splitn(2, |&b| b == b'\n');
+        let header_bytes = split
+            .next()
+            .ok_or_else(|| anyhow::anyhow!("No header found"))?;
+        let header: Header = serde_json::from_slice(header_bytes)
+            .map_err(|e| anyhow::anyhow!("Failed to parse header: {}", e))?;
+
+        let body_bytes = split
+            .next()
+            .ok_or_else(|| anyhow::anyhow!("No body found"))?;
+
+        let body: Body = serde_json::from_slice(body_bytes)
+            .map_err(|e| anyhow::anyhow!("Failed to parse body: {}", e))?;
+        Ok(IpsFile { header, body })
+    }
+
+    pub fn faulting_thread(&self) -> Option<&Thread> {
+        self.body.threads.get(self.body.faulting_thread? as usize)
+    }
+
+    pub fn app_version(&self) -> Option<SemanticVersion> {
+        self.header.app_version.parse().ok()
+    }
+
+    pub fn timestamp(&self) -> anyhow::Result<chrono::DateTime<chrono::FixedOffset>> {
+        chrono::DateTime::parse_from_str(&self.header.timestamp, "%Y-%m-%d %H:%M:%S%.f %#z")
+            .map_err(|e| anyhow::anyhow!(e))
+    }
+
+    pub fn description(&self, panic: Option<&str>) -> String {
+        let mut desc = if self.body.termination.indicator == "Abort trap: 6" {
+            match panic {
+                Some(panic_message) => format!("Panic `{}`", panic_message),
+                None => "Crash `Abort trap: 6` (possible panic)".into(),
+            }
+        } else if let Some(msg) = &self.body.exception.message {
+            format!("Exception `{}`", msg)
+        } else {
+            format!("Crash `{}`", self.body.termination.indicator)
+        };
+        if let Some(thread) = self.faulting_thread() {
+            if let Some(queue) = thread.queue.as_ref() {
+                desc += &format!(
+                    " on thread {} ({})",
+                    self.body.faulting_thread.unwrap_or_default(),
+                    queue
+                );
+            } else {
+                desc += &format!(
+                    " on thread {} ({})",
+                    self.body.faulting_thread.unwrap_or_default(),
+                    thread.name.clone().unwrap_or_default()
+                );
+            }
+        }
+        desc
+    }
+
+    pub fn backtrace_summary(&self) -> String {
+        if let Some(thread) = self.faulting_thread() {
+            let mut frames = thread
+                .frames
+                .iter()
+                .filter_map(|frame| {
+                    if let Some(name) = &frame.symbol {
+                        if self.is_ignorable_frame(name) {
+                            return None;
+                        }
+                        Some(format!("{:#}", rustc_demangle::demangle(name)))
+                    } else if let Some(image) = self.body.used_images.get(frame.image_index) {
+                        Some(image.name.clone().unwrap_or("<unknown-image>".into()))
+                    } else {
+                        Some("<unknown>".into())
+                    }
+                })
+                .collect::<Vec<_>>();
+
+            let total = frames.len();
+            if total > 21 {
+                frames = frames.into_iter().take(20).collect();
+                frames.push(format!("  and {} more...", total - 20))
+            }
+            frames.join("\n")
+        } else {
+            "<no backtrace available>".into()
+        }
+    }
+
+    fn is_ignorable_frame(&self, symbol: &String) -> bool {
+        [
+            "pthread_kill",
+            "panic",
+            "backtrace",
+            "rust_begin_unwind",
+            "abort",
+        ]
+        .iter()
+        .any(|s| symbol.contains(s))
+    }
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(default)]
+pub struct Header {
+    pub app_name: String,
+    pub timestamp: String,
+    pub app_version: String,
+    pub slice_uuid: String,
+    pub build_version: String,
+    pub platform: i64,
+    #[serde(rename = "bundleID", default)]
+    pub bundle_id: String,
+    pub share_with_app_devs: i64,
+    pub is_first_party: i64,
+    pub bug_type: String,
+    pub os_version: String,
+    pub roots_installed: i64,
+    pub name: String,
+    pub incident_id: String,
+}
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Body {
+    pub uptime: i64,
+    pub proc_role: String,
+    pub version: i64,
+    #[serde(rename = "userID")]
+    pub user_id: i64,
+    pub deploy_version: i64,
+    pub model_code: String,
+    #[serde(rename = "coalitionID")]
+    pub coalition_id: i64,
+    pub os_version: OsVersion,
+    pub capture_time: String,
+    pub code_signing_monitor: i64,
+    pub incident: String,
+    pub pid: i64,
+    pub translated: bool,
+    pub cpu_type: String,
+    #[serde(rename = "roots_installed")]
+    pub roots_installed: i64,
+    #[serde(rename = "bug_type")]
+    pub bug_type: String,
+    pub proc_launch: String,
+    pub proc_start_abs_time: i64,
+    pub proc_exit_abs_time: i64,
+    pub proc_name: String,
+    pub proc_path: String,
+    pub bundle_info: BundleInfo,
+    pub store_info: StoreInfo,
+    pub parent_proc: String,
+    pub parent_pid: i64,
+    pub coalition_name: String,
+    pub crash_reporter_key: String,
+    #[serde(rename = "codeSigningID")]
+    pub code_signing_id: String,
+    #[serde(rename = "codeSigningTeamID")]
+    pub code_signing_team_id: String,
+    pub code_signing_flags: i64,
+    pub code_signing_validation_category: i64,
+    pub code_signing_trust_level: i64,
+    pub instruction_byte_stream: InstructionByteStream,
+    pub sip: String,
+    pub exception: Exception,
+    pub termination: Termination,
+    pub asi: Asi,
+    pub ext_mods: ExtMods,
+    pub faulting_thread: Option<i64>,
+    pub threads: Vec<Thread>,
+    pub used_images: Vec<UsedImage>,
+    pub shared_cache: SharedCache,
+    pub vm_summary: String,
+    pub legacy_info: LegacyInfo,
+    pub log_writing_signature: String,
+    pub trial_info: TrialInfo,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct OsVersion {
+    pub train: String,
+    pub build: String,
+    pub release_type: String,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct BundleInfo {
+    #[serde(rename = "CFBundleShortVersionString")]
+    pub cfbundle_short_version_string: String,
+    #[serde(rename = "CFBundleVersion")]
+    pub cfbundle_version: String,
+    #[serde(rename = "CFBundleIdentifier")]
+    pub cfbundle_identifier: String,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct StoreInfo {
+    pub device_identifier_for_vendor: String,
+    pub third_party: bool,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct InstructionByteStream {
+    #[serde(rename = "beforePC")]
+    pub before_pc: String,
+    #[serde(rename = "atPC")]
+    pub at_pc: String,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Exception {
+    pub codes: String,
+    pub raw_codes: Vec<i64>,
+    #[serde(rename = "type")]
+    pub type_field: String,
+    pub subtype: Option<String>,
+    pub signal: String,
+    pub port: Option<i64>,
+    pub guard_id: Option<i64>,
+    pub message: Option<String>,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Termination {
+    pub flags: i64,
+    pub code: i64,
+    pub namespace: String,
+    pub indicator: String,
+    pub by_proc: String,
+    pub by_pid: i64,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Asi {
+    #[serde(rename = "libsystem_c.dylib")]
+    pub libsystem_c_dylib: Vec<String>,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct ExtMods {
+    pub caller: ExtMod,
+    pub system: ExtMod,
+    pub targeted: ExtMod,
+    pub warnings: i64,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct ExtMod {
+    #[serde(rename = "thread_create")]
+    pub thread_create: i64,
+    #[serde(rename = "thread_set_state")]
+    pub thread_set_state: i64,
+    #[serde(rename = "task_for_pid")]
+    pub task_for_pid: i64,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Thread {
+    pub thread_state: HashMap<String, Value>,
+    pub id: i64,
+    pub triggered: Option<bool>,
+    pub name: Option<String>,
+    pub queue: Option<String>,
+    pub frames: Vec<Frame>,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Frame {
+    pub image_offset: i64,
+    pub symbol: Option<String>,
+    pub symbol_location: Option<i64>,
+    pub image_index: usize,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct UsedImage {
+    pub source: String,
+    pub arch: Option<String>,
+    pub base: i64,
+    #[serde(rename = "CFBundleShortVersionString")]
+    pub cfbundle_short_version_string: Option<String>,
+    #[serde(rename = "CFBundleIdentifier")]
+    pub cfbundle_identifier: Option<String>,
+    pub size: i64,
+    pub uuid: String,
+    pub path: Option<String>,
+    pub name: Option<String>,
+    #[serde(rename = "CFBundleVersion")]
+    pub cfbundle_version: Option<String>,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct SharedCache {
+    pub base: i64,
+    pub size: i64,
+    pub uuid: String,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct LegacyInfo {
+    pub thread_triggered: ThreadTriggered,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct ThreadTriggered {
+    pub name: String,
+    pub queue: String,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct TrialInfo {
+    pub rollouts: Vec<Rollout>,
+    pub experiments: Vec<Value>,
+}
+
+#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase", default)]
+pub struct Rollout {
+    pub rollout_id: String,
+    pub factor_pack_ids: HashMap<String, Value>,
+    pub deployment_id: i64,
+}

crates/collab/src/api/slack.rs

@@ -0,0 +1,144 @@
+use serde::{Deserialize, Serialize};
+
+/// https://api.slack.com/reference/messaging/payload
+#[derive(Default, Clone, Serialize, Deserialize)]
+pub struct WebhookBody {
+    text: String,
+    #[serde(skip_serializing_if = "Vec::is_empty")]
+    blocks: Vec<Block>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    thread_ts: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    mrkdwn: Option<bool>,
+}
+
+impl WebhookBody {
+    pub fn new(f: impl FnOnce(Self) -> Self) -> Self {
+        f(Self::default())
+    }
+
+    pub fn add_section(mut self, build: impl FnOnce(Section) -> Section) -> Self {
+        self.blocks.push(Block::Section(build(Section::default())));
+        self
+    }
+
+    pub fn add_rich_text(mut self, build: impl FnOnce(RichText) -> RichText) -> Self {
+        self.blocks
+            .push(Block::RichText(build(RichText::default())));
+        self
+    }
+}
+
+#[derive(Clone, Serialize, Deserialize)]
+#[serde(tag = "type")]
+/// https://api.slack.com/reference/block-kit/blocks
+pub enum Block {
+    #[serde(rename = "section")]
+    Section(Section),
+    #[serde(rename = "rich_text")]
+    RichText(RichText),
+    // .... etc.
+}
+
+/// https://api.slack.com/reference/block-kit/blocks#section
+#[derive(Default, Clone, Serialize, Deserialize)]
+pub struct Section {
+    #[serde(skip_serializing_if = "Option::is_none")]
+    text: Option<Text>,
+    #[serde(skip_serializing_if = "Vec::is_empty")]
+    fields: Vec<Text>,
+    // fields, accessories...
+}
+
+impl Section {
+    pub fn text(mut self, text: Text) -> Self {
+        self.text = Some(text);
+        self
+    }
+
+    pub fn add_field(mut self, field: Text) -> Self {
+        self.fields.push(field);
+        self
+    }
+}
+
+/// https://api.slack.com/reference/block-kit/composition-objects#text
+#[derive(Clone, Serialize, Deserialize)]
+#[serde(tag = "type")]
+pub enum Text {
+    #[serde(rename = "plain_text")]
+    PlainText { text: String, emoji: bool },
+    #[serde(rename = "mrkdwn")]
+    Markdown { text: String, verbatim: bool },
+}
+
+impl Text {
+    pub fn plain(s: String) -> Self {
+        Self::PlainText {
+            text: s,
+            emoji: true,
+        }
+    }
+
+    pub fn markdown(s: String) -> Self {
+        Self::Markdown {
+            text: s,
+            verbatim: false,
+        }
+    }
+}
+
+#[derive(Default, Clone, Serialize, Deserialize)]
+pub struct RichText {
+    elements: Vec<RichTextObject>,
+}
+
+impl RichText {
+    pub fn new(f: impl FnOnce(Self) -> Self) -> Self {
+        f(Self::default())
+    }
+
+    pub fn add_preformatted(
+        mut self,
+        build: impl FnOnce(RichTextPreformatted) -> RichTextPreformatted,
+    ) -> Self {
+        self.elements.push(RichTextObject::Preformatted(build(
+            RichTextPreformatted::default(),
+        )));
+        self
+    }
+}
+
+/// https://api.slack.com/reference/block-kit/blocks#rich_text
+#[derive(Clone, Serialize, Deserialize)]
+#[serde(tag = "type")]
+pub enum RichTextObject {
+    #[serde(rename = "rich_text_preformatted")]
+    Preformatted(RichTextPreformatted),
+    // etc.
+}
+
+/// https://api.slack.com/reference/block-kit/blocks#rich_text_preformatted
+#[derive(Clone, Default, Serialize, Deserialize)]
+pub struct RichTextPreformatted {
+    #[serde(skip_serializing_if = "Vec::is_empty")]
+    elements: Vec<RichTextElement>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    border: Option<u8>,
+}
+
+impl RichTextPreformatted {
+    pub fn add_text(mut self, text: String) -> Self {
+        self.elements.push(RichTextElement::Text { text });
+        self
+    }
+}
+
+/// https://api.slack.com/reference/block-kit/blocks#element-types
+#[derive(Clone, Serialize, Deserialize)]
+#[serde(tag = "type")]
+pub enum RichTextElement {
+    #[serde(rename = "text")]
+    Text { text: String },
+    // etc.
+}

crates/collab/src/auth.rs

@@ -8,24 +8,16 @@ 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},
+    password_hash::{PasswordHash, PasswordVerifier},
     Scrypt,
 };
 use serde::{Deserialize, Serialize};
+use sha2::Digest;
+use std::sync::OnceLock;
 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();
-}
+use subtle::ConstantTimeEq;
 
 #[derive(Clone, Debug, Default, PartialEq, Eq)]
 pub struct Impersonator(pub Option<db::User>);
@@ -124,8 +116,7 @@ pub async fn create_access_token(
 ) -> 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")?;
+    let access_token_hash = hash_access_token(&access_token);
     let id = db
         .create_access_token(
             user_id,
@@ -141,23 +132,15 @@ pub async fn create_access_token(
     })?)
 }
 
-fn hash_access_token(token: &str) -> Result<String> {
-    // Avoid slow hashing in debug mode.
-    let params = if cfg!(debug_assertions) {
-        scrypt::Params::new(1, 1, 1).unwrap()
-    } else {
-        scrypt::Params::new(14, 8, 1).unwrap()
-    };
-
-    Ok(Scrypt
-        .hash_password(
-            token.as_bytes(),
-            None,
-            params,
-            &SaltString::generate(thread_rng()),
-        )
-        .map_err(anyhow::Error::new)?
-        .to_string())
+/// Hashing prevents anyone with access to the database being able to login.
+/// As the token is randomly generated, we don't need to worry about scrypt-style
+/// protection.
+fn hash_access_token(token: &str) -> String {
+    let digest = sha2::Sha256::digest(token);
+    format!(
+        "$sha256${}",
+        base64::encode_config(digest, base64::URL_SAFE)
+    )
 }
 
 /// Encrypts the given access token with the given public key to avoid leaking it on the way
@@ -182,6 +165,16 @@ pub async fn verify_access_token(
     user_id: UserId,
     db: &Arc<Database>,
 ) -> Result<VerifyAccessTokenResult> {
+    static METRIC_ACCESS_TOKEN_HASHING_TIME: OnceLock<Histogram> = OnceLock::new();
+    let metric_access_token_hashing_time = METRIC_ACCESS_TOKEN_HASHING_TIME.get_or_init(|| {
+        register_histogram!(
+            "access_token_hashing_time",
+            "time spent hashing access tokens",
+            exponential_buckets(10.0, 2.0, 10).unwrap(),
+        )
+        .unwrap()
+    });
+
     let token: AccessTokenJson = serde_json::from_str(&token)?;
 
     let db_token = db.get_access_token(token.id).await?;
@@ -189,15 +182,27 @@ pub async fn verify_access_token(
     if 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 is_valid = if db_token.hash.starts_with("$scrypt$") {
+        let db_hash = PasswordHash::new(&db_token.hash).map_err(anyhow::Error::new)?;
+        Scrypt
+            .verify_password(token.token.as_bytes(), &db_hash)
+            .is_ok()
+    } else {
+        let token_hash = hash_access_token(&token.token);
+        db_token.hash.as_bytes().ct_eq(token_hash.as_ref()).into()
+    };
+
     let duration = t0.elapsed();
     log::info!("hashed access token in {:?}", duration);
-    METRIC_ACCESS_TOKEN_HASHING_TIME.observe(duration.as_millis() as f64);
+    metric_access_token_hashing_time.observe(duration.as_millis() as f64);
+
+    if is_valid && db_token.hash.starts_with("$scrypt$") {
+        let new_hash = hash_access_token(&token.token);
+        db.update_access_token_hash(db_token.id, &new_hash).await?;
+    }
+
     Ok(VerifyAccessTokenResult {
         is_valid,
         impersonator_id: if db_token.impersonated_user_id.is_some() {
@@ -207,3 +212,145 @@ pub async fn verify_access_token(
         },
     })
 }
+
+#[cfg(test)]
+mod test {
+    use rand::thread_rng;
+    use scrypt::password_hash::{PasswordHasher, SaltString};
+    use sea_orm::EntityTrait;
+
+    use super::*;
+    use crate::db::{access_token, NewUserParams};
+
+    #[gpui::test]
+    async fn test_verify_access_token(cx: &mut gpui::TestAppContext) {
+        let test_db = crate::db::TestDb::postgres(cx.executor().clone());
+        let db = test_db.db();
+
+        let user = db
+            .create_user(
+                "example@example.com",
+                false,
+                NewUserParams {
+                    github_login: "example".into(),
+                    github_user_id: 1,
+                },
+            )
+            .await
+            .unwrap();
+
+        let token = create_access_token(&db, user.user_id, None).await.unwrap();
+        assert!(matches!(
+            verify_access_token(&token, user.user_id, &db)
+                .await
+                .unwrap(),
+            VerifyAccessTokenResult {
+                is_valid: true,
+                impersonator_id: None,
+            }
+        ));
+
+        let old_token = create_previous_access_token(user.user_id, None, &db)
+            .await
+            .unwrap();
+
+        let old_token_id = serde_json::from_str::<AccessTokenJson>(&old_token)
+            .unwrap()
+            .id;
+
+        let hash = db
+            .transaction(|tx| async move {
+                Ok(access_token::Entity::find_by_id(old_token_id)
+                    .one(&*tx)
+                    .await?)
+            })
+            .await
+            .unwrap()
+            .unwrap()
+            .hash;
+        assert!(hash.starts_with("$scrypt$"));
+
+        assert!(matches!(
+            verify_access_token(&old_token, user.user_id, &db)
+                .await
+                .unwrap(),
+            VerifyAccessTokenResult {
+                is_valid: true,
+                impersonator_id: None,
+            }
+        ));
+
+        let hash = db
+            .transaction(|tx| async move {
+                Ok(access_token::Entity::find_by_id(old_token_id)
+                    .one(&*tx)
+                    .await?)
+            })
+            .await
+            .unwrap()
+            .unwrap()
+            .hash;
+        assert!(hash.starts_with("$sha256$"));
+
+        assert!(matches!(
+            verify_access_token(&old_token, user.user_id, &db)
+                .await
+                .unwrap(),
+            VerifyAccessTokenResult {
+                is_valid: true,
+                impersonator_id: None,
+            }
+        ));
+
+        assert!(matches!(
+            verify_access_token(&token, user.user_id, &db)
+                .await
+                .unwrap(),
+            VerifyAccessTokenResult {
+                is_valid: true,
+                impersonator_id: None,
+            }
+        ));
+    }
+
+    async fn create_previous_access_token(
+        user_id: UserId,
+        impersonated_user_id: Option<UserId>,
+        db: &Database,
+    ) -> Result<String> {
+        let access_token = rpc::auth::random_token();
+        let access_token_hash = previous_hash_access_token(&access_token)?;
+        let id = db
+            .create_access_token(
+                user_id,
+                impersonated_user_id,
+                &access_token_hash,
+                MAX_ACCESS_TOKENS_TO_STORE,
+            )
+            .await?;
+        Ok(serde_json::to_string(&AccessTokenJson {
+            version: 1,
+            id,
+            token: access_token,
+        })?)
+    }
+
+    fn previous_hash_access_token(token: &str) -> Result<String> {
+        // Avoid slow hashing in debug mode.
+        let params = if cfg!(debug_assertions) {
+            scrypt::Params::new(1, 1, 1).unwrap()
+        } else {
+            scrypt::Params::new(14, 8, 1).unwrap()
+        };
+
+        Ok(Scrypt
+            .hash_password(
+                token.as_bytes(),
+                None,
+                params,
+                &SaltString::generate(thread_rng()),
+            )
+            .map_err(anyhow::Error::new)?
+            .to_string())
+    }
+}

crates/collab/src/bin/seed.rs

@@ -88,9 +88,9 @@ async fn fetch_github<T: DeserializeOwned>(client: &reqwest::Client, url: &str)
         .header("user-agent", "zed")
         .send()
         .await
-        .expect(&format!("failed to fetch '{}'", url));
+        .unwrap_or_else(|_| panic!("failed to fetch '{}'", url));
     response
         .json()
         .await
-        .expect(&format!("failed to deserialize github user from '{}'", url))
+        .unwrap_or_else(|_| panic!("failed to deserialize github user from '{}'", url))
 }

crates/collab/src/db.rs

@@ -359,7 +359,7 @@ impl Database {
         const SLEEPS: [f32; 10] = [10., 20., 40., 80., 160., 320., 640., 1280., 2560., 5120.];
         if is_serialization_error(error) && prev_attempt_count < SLEEPS.len() {
             let base_delay = SLEEPS[prev_attempt_count];
-            let randomized_delay = base_delay as f32 * self.rng.lock().await.gen_range(0.5..=2.0);
+            let randomized_delay = base_delay * self.rng.lock().await.gen_range(0.5..=2.0);
             log::info!(
                 "retrying transaction after serialization error. delay: {} ms.",
                 randomized_delay
@@ -375,7 +375,7 @@ impl Database {
 }
 
 fn is_serialization_error(error: &Error) -> bool {
-    const SERIALIZATION_FAILURE_CODE: &'static str = "40001";
+    const SERIALIZATION_FAILURE_CODE: &str = "40001";
     match error {
         Error::Database(
             DbErr::Exec(sea_orm::RuntimeErr::SqlxError(error))
@@ -670,6 +670,8 @@ pub struct RefreshedChannelBuffer {
 }
 
 pub struct Project {
+    pub id: ProjectId,
+    pub role: ChannelRole,
     pub collaborators: Vec<ProjectCollaborator>,
     pub worktrees: BTreeMap<u64, Worktree>,
     pub language_servers: Vec<proto::LanguageServer>,
@@ -695,7 +697,7 @@ impl ProjectCollaborator {
 #[derive(Debug)]
 pub struct LeftProject {
     pub id: ProjectId,
-    pub host_user_id: UserId,
+    pub host_user_id: Option<UserId>,
     pub host_connection_id: Option<ConnectionId>,
     pub connection_ids: Vec<ConnectionId>,
 }

crates/collab/src/db/queries/access_tokens.rs

@@ -55,4 +55,22 @@ impl Database {
         })
         .await
     }
+
+    /// Retrieves the access token with the given ID.
+    pub async fn update_access_token_hash(
+        &self,
+        id: AccessTokenId,
+        new_hash: &str,
+    ) -> Result<access_token::Model> {
+        self.transaction(|tx| async move {
+            Ok(access_token::Entity::update(access_token::ActiveModel {
+                id: ActiveValue::unchanged(id),
+                hash: ActiveValue::set(new_hash.into()),
+                ..Default::default()
+            })
+            .exec(&*tx)
+            .await?)
+        })
+        .await
+    }
 }

crates/collab/src/db/queries/buffers.rs

@@ -18,7 +18,7 @@ impl Database {
         connection: ConnectionId,
     ) -> Result<proto::JoinChannelBufferResponse> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
             self.check_user_is_channel_participant(&channel, user_id, &tx)
                 .await?;
 
@@ -134,10 +134,10 @@ impl Database {
             let mut results = Vec::new();
             for client_buffer in buffers {
                 let channel = self
-                    .get_channel_internal(ChannelId::from_proto(client_buffer.channel_id), &*tx)
+                    .get_channel_internal(ChannelId::from_proto(client_buffer.channel_id), &tx)
                     .await?;
                 if self
-                    .check_user_is_channel_participant(&channel, user_id, &*tx)
+                    .check_user_is_channel_participant(&channel, user_id, &tx)
                     .await
                     .is_err()
                 {
@@ -145,7 +145,7 @@ impl Database {
                     continue;
                 }
 
-                let buffer = self.get_channel_buffer(channel.id, &*tx).await?;
+                let buffer = self.get_channel_buffer(channel.id, &tx).await?;
                 let mut collaborators = channel_buffer_collaborator::Entity::find()
                     .filter(channel_buffer_collaborator::Column::ChannelId.eq(channel.id))
                     .all(&*tx)
@@ -161,11 +161,9 @@ impl Database {
 
                 // Find the collaborator record for this user's previous lost
                 // connection. Update it with the new connection id.
-                let server_id = ServerId(connection_id.owner_id as i32);
-                let Some(self_collaborator) = collaborators.iter_mut().find(|c| {
-                    c.user_id == user_id
-                        && (c.connection_lost || c.connection_server_id != server_id)
-                }) else {
+                let Some(self_collaborator) =
+                    collaborators.iter_mut().find(|c| c.user_id == user_id)
+                else {
                     log::info!("can't rejoin buffer, no previous collaborator found");
                     continue;
                 };
@@ -182,7 +180,7 @@ impl Database {
 
                 let client_version = version_from_wire(&client_buffer.version);
                 let serialization_version = self
-                    .get_buffer_operation_serialization_version(buffer.id, buffer.epoch, &*tx)
+                    .get_buffer_operation_serialization_version(buffer.id, buffer.epoch, &tx)
                     .await?;
 
                 let mut rows = buffer_operation::Entity::find()
@@ -285,7 +283,7 @@ impl Database {
         connection: ConnectionId,
     ) -> Result<LeftChannelBuffer> {
         self.transaction(|tx| async move {
-            self.leave_channel_buffer_internal(channel_id, connection, &*tx)
+            self.leave_channel_buffer_internal(channel_id, connection, &tx)
                 .await
         })
         .await
@@ -310,7 +308,7 @@ impl Database {
                 connection_lost: ActiveValue::set(true),
                 ..Default::default()
             })
-            .exec(&*tx)
+            .exec(tx)
             .await?;
         Ok(())
     }
@@ -339,7 +337,7 @@ impl Database {
             let mut result = Vec::new();
             for channel_id in channel_ids {
                 let left_channel_buffer = self
-                    .leave_channel_buffer_internal(channel_id, connection, &*tx)
+                    .leave_channel_buffer_internal(channel_id, connection, &tx)
                     .await?;
                 result.push(left_channel_buffer);
             }
@@ -365,7 +363,7 @@ impl Database {
                             .eq(connection.owner_id as i32),
                     ),
             )
-            .exec(&*tx)
+            .exec(tx)
             .await?;
         if result.rows_affected == 0 {
             Err(anyhow!("not a collaborator on this project"))?;
@@ -377,7 +375,7 @@ impl Database {
             .filter(
                 Condition::all().add(channel_buffer_collaborator::Column::ChannelId.eq(channel_id)),
             )
-            .stream(&*tx)
+            .stream(tx)
             .await?;
         while let Some(row) = rows.next().await {
             let row = row?;
@@ -408,7 +406,7 @@ impl Database {
         channel_id: ChannelId,
     ) -> Result<Vec<UserId>> {
         self.transaction(|tx| async move {
-            self.get_channel_buffer_collaborators_internal(channel_id, &*tx)
+            self.get_channel_buffer_collaborators_internal(channel_id, &tx)
                 .await
         })
         .await
@@ -431,7 +429,7 @@ impl Database {
                 Condition::all().add(channel_buffer_collaborator::Column::ChannelId.eq(channel_id)),
             )
             .into_values::<_, QueryUserIds>()
-            .all(&*tx)
+            .all(tx)
             .await?;
 
         Ok(users)
@@ -449,7 +447,7 @@ impl Database {
         Vec<proto::VectorClockEntry>,
     )> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
 
             let mut requires_write_permission = false;
             for op in operations.iter() {
@@ -459,10 +457,10 @@ impl Database {
                 }
             }
             if requires_write_permission {
-                self.check_user_is_channel_member(&channel, user, &*tx)
+                self.check_user_is_channel_member(&channel, user, &tx)
                     .await?;
             } else {
-                self.check_user_is_channel_participant(&channel, user, &*tx)
+                self.check_user_is_channel_participant(&channel, user, &tx)
                     .await?;
             }
 
@@ -473,7 +471,7 @@ impl Database {
                 .ok_or_else(|| anyhow!("no such buffer"))?;
 
             let serialization_version = self
-                .get_buffer_operation_serialization_version(buffer.id, buffer.epoch, &*tx)
+                .get_buffer_operation_serialization_version(buffer.id, buffer.epoch, &tx)
                 .await?;
 
             let operations = operations
@@ -502,13 +500,13 @@ impl Database {
                     buffer.epoch,
                     *max_operation.replica_id.as_ref(),
                     *max_operation.lamport_timestamp.as_ref(),
-                    &*tx,
+                    &tx,
                 )
                 .await?;
 
-                channel_members = self.get_channel_participants(&channel, &*tx).await?;
+                channel_members = self.get_channel_participants(&channel, &tx).await?;
                 let collaborators = self
-                    .get_channel_buffer_collaborators_internal(channel_id, &*tx)
+                    .get_channel_buffer_collaborators_internal(channel_id, &tx)
                     .await?;
                 channel_members.retain(|member| !collaborators.contains(member));
 
@@ -560,6 +558,17 @@ impl Database {
         lamport_timestamp: i32,
         tx: &DatabaseTransaction,
     ) -> Result<()> {
+        buffer::Entity::update(buffer::ActiveModel {
+            id: ActiveValue::Unchanged(buffer_id),
+            epoch: ActiveValue::Unchanged(epoch),
+            latest_operation_epoch: ActiveValue::Set(Some(epoch)),
+            latest_operation_replica_id: ActiveValue::Set(Some(replica_id)),
+            latest_operation_lamport_timestamp: ActiveValue::Set(Some(lamport_timestamp)),
+            channel_id: ActiveValue::NotSet,
+        })
+        .exec(tx)
+        .await?;
+
         use observed_buffer_edits::Column;
         observed_buffer_edits::Entity::insert(observed_buffer_edits::ActiveModel {
             user_id: ActiveValue::Set(user_id),
@@ -604,7 +613,7 @@ impl Database {
             .select_only()
             .column(buffer_snapshot::Column::OperationSerializationVersion)
             .into_values::<_, QueryOperationSerializationVersion>()
-            .one(&*tx)
+            .one(tx)
             .await?
             .ok_or_else(|| anyhow!("missing buffer snapshot"))?)
     }
@@ -619,7 +628,7 @@ impl Database {
             ..Default::default()
         }
         .find_related(buffer::Entity)
-        .one(&*tx)
+        .one(tx)
         .await?
         .ok_or_else(|| anyhow!("no such buffer"))?)
     }
@@ -641,7 +650,7 @@ impl Database {
                         .eq(id)
                         .and(buffer_snapshot::Column::Epoch.eq(buffer.epoch)),
                 )
-                .one(&*tx)
+                .one(tx)
                 .await?
                 .ok_or_else(|| anyhow!("no such snapshot"))?;
 
@@ -659,7 +668,7 @@ impl Database {
             )
             .order_by_asc(buffer_operation::Column::LamportTimestamp)
             .order_by_asc(buffer_operation::Column::ReplicaId)
-            .stream(&*tx)
+            .stream(tx)
             .await?;
 
         let mut operations = Vec::new();
@@ -713,7 +722,10 @@ impl Database {
         buffer::ActiveModel {
             id: ActiveValue::Unchanged(buffer.id),
             epoch: ActiveValue::Set(epoch),
-            ..Default::default()
+            latest_operation_epoch: ActiveValue::NotSet,
+            latest_operation_replica_id: ActiveValue::NotSet,
+            latest_operation_lamport_timestamp: ActiveValue::NotSet,
+            channel_id: ActiveValue::NotSet,
         }
         .save(tx)
         .await?;
@@ -739,7 +751,7 @@ impl Database {
                 epoch,
                 component.replica_id as i32,
                 component.timestamp as i32,
-                &*tx,
+                &tx,
             )
             .await?;
             Ok(())
@@ -747,30 +759,6 @@ impl Database {
         .await
     }
 
-    pub async fn latest_channel_buffer_changes(
-        &self,
-        channel_ids_by_buffer_id: &HashMap<BufferId, ChannelId>,
-        tx: &DatabaseTransaction,
-    ) -> Result<Vec<proto::ChannelBufferVersion>> {
-        let latest_operations = self
-            .get_latest_operations_for_buffers(channel_ids_by_buffer_id.keys().copied(), &*tx)
-            .await?;
-
-        Ok(latest_operations
-            .iter()
-            .flat_map(|op| {
-                Some(proto::ChannelBufferVersion {
-                    channel_id: channel_ids_by_buffer_id.get(&op.buffer_id)?.to_proto(),
-                    epoch: op.epoch as u64,
-                    version: vec![proto::VectorClockEntry {
-                        replica_id: op.replica_id as u32,
-                        timestamp: op.lamport_timestamp as u32,
-                    }],
-                })
-            })
-            .collect())
-    }
-
     pub async fn observed_channel_buffer_changes(
         &self,
         channel_ids_by_buffer_id: &HashMap<BufferId, ChannelId>,
@@ -783,7 +771,7 @@ impl Database {
                 observed_buffer_edits::Column::BufferId
                     .is_in(channel_ids_by_buffer_id.keys().copied()),
             )
-            .all(&*tx)
+            .all(tx)
             .await?;
 
         Ok(observed_operations
@@ -800,55 +788,6 @@ impl Database {
             })
             .collect())
     }
-
-    /// Returns the latest operations for the buffers with the specified IDs.
-    pub async fn get_latest_operations_for_buffers(
-        &self,
-        buffer_ids: impl IntoIterator<Item = BufferId>,
-        tx: &DatabaseTransaction,
-    ) -> Result<Vec<buffer_operation::Model>> {
-        let mut values = String::new();
-        for id in buffer_ids {
-            if !values.is_empty() {
-                values.push_str(", ");
-            }
-            write!(&mut values, "({})", id).unwrap();
-        }
-
-        if values.is_empty() {
-            return Ok(Vec::default());
-        }
-
-        let sql = format!(
-            r#"
-            SELECT
-                *
-            FROM
-            (
-                SELECT
-                    *,
-                    row_number() OVER (
-                        PARTITION BY buffer_id
-                        ORDER BY
-                            epoch DESC,
-                            lamport_timestamp DESC,
-                            replica_id DESC
-                    ) as row_number
-                FROM buffer_operations
-                WHERE
-                    buffer_id in ({values})
-            ) AS last_operations
-            WHERE
-                row_number = 1
-            "#,
-        );
-
-        let stmt = Statement::from_string(self.pool.get_database_backend(), sql);
-        Ok(buffer_operation::Entity::find()
-            .from_raw_sql(stmt)
-            .all(&*tx)
-            .await?)
-    }
 }
 
 fn operation_to_storage(

crates/collab/src/db/queries/channels.rs

@@ -1,5 +1,8 @@
 use super::*;
-use rpc::{proto::channel_member::Kind, ErrorCode, ErrorCodeExt};
+use rpc::{
+    proto::{channel_member::Kind, ChannelBufferVersion, VectorClockEntry},
+    ErrorCode, ErrorCodeExt,
+};
 use sea_orm::TryGetableMany;
 
 impl Database {
@@ -53,8 +56,8 @@ impl Database {
             let mut membership = None;
 
             if let Some(parent_channel_id) = parent_channel_id {
-                let parent_channel = self.get_channel_internal(parent_channel_id, &*tx).await?;
-                self.check_user_is_channel_admin(&parent_channel, admin_id, &*tx)
+                let parent_channel = self.get_channel_internal(parent_channel_id, &tx).await?;
+                self.check_user_is_channel_admin(&parent_channel, admin_id, &tx)
                     .await?;
                 parent = Some(parent_channel);
             }
@@ -105,14 +108,14 @@ impl Database {
         connection: ConnectionId,
     ) -> Result<(JoinRoom, Option<MembershipUpdated>, ChannelRole)> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            let mut role = self.channel_role_for_user(&channel, user_id, &*tx).await?;
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            let mut role = self.channel_role_for_user(&channel, user_id, &tx).await?;
 
             let mut accept_invite_result = None;
 
             if role.is_none() {
                 if let Some(invitation) = self
-                    .pending_invite_for_channel(&channel, user_id, &*tx)
+                    .pending_invite_for_channel(&channel, user_id, &tx)
                     .await?
                 {
                     // note, this may be a parent channel
@@ -125,12 +128,12 @@ impl Database {
                     .await?;
 
                     accept_invite_result = Some(
-                        self.calculate_membership_updated(&channel, user_id, &*tx)
+                        self.calculate_membership_updated(&channel, user_id, &tx)
                             .await?,
                     );
 
                     debug_assert!(
-                        self.channel_role_for_user(&channel, user_id, &*tx).await? == role
+                        self.channel_role_for_user(&channel, user_id, &tx).await? == role
                     );
                 } else if channel.visibility == ChannelVisibility::Public {
                     role = Some(ChannelRole::Guest);
@@ -145,12 +148,12 @@ impl Database {
                     .await?;
 
                     accept_invite_result = Some(
-                        self.calculate_membership_updated(&channel, user_id, &*tx)
+                        self.calculate_membership_updated(&channel, user_id, &tx)
                             .await?,
                     );
 
                     debug_assert!(
-                        self.channel_role_for_user(&channel, user_id, &*tx).await? == role
+                        self.channel_role_for_user(&channel, user_id, &tx).await? == role
                     );
                 }
             }
@@ -162,10 +165,10 @@ impl Database {
 
             let live_kit_room = format!("channel-{}", nanoid::nanoid!(30));
             let room_id = self
-                .get_or_create_channel_room(channel_id, &live_kit_room, &*tx)
+                .get_or_create_channel_room(channel_id, &live_kit_room, &tx)
                 .await?;
 
-            self.join_channel_room_internal(room_id, user_id, connection, role, &*tx)
+            self.join_channel_room_internal(room_id, user_id, connection, role, &tx)
                 .await
                 .map(|jr| (jr, accept_invite_result, role))
         })
@@ -180,13 +183,13 @@ impl Database {
         admin_id: UserId,
     ) -> Result<(Channel, Vec<channel_member::Model>)> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_admin(&channel, admin_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_admin(&channel, admin_id, &tx)
                 .await?;
 
             if visibility == ChannelVisibility::Public {
                 if let Some(parent_id) = channel.parent_id() {
-                    let parent = self.get_channel_internal(parent_id, &*tx).await?;
+                    let parent = self.get_channel_internal(parent_id, &tx).await?;
 
                     if parent.visibility != ChannelVisibility::Public {
                         Err(ErrorCode::BadPublicNesting
@@ -196,7 +199,7 @@ impl Database {
                 }
             } else if visibility == ChannelVisibility::Members {
                 if self
-                    .get_channel_descendants_excluding_self([&channel], &*tx)
+                    .get_channel_descendants_excluding_self([&channel], &tx)
                     .await?
                     .into_iter()
                     .any(|channel| channel.visibility == ChannelVisibility::Public)
@@ -228,7 +231,7 @@ impl Database {
         requires_zed_cla: bool,
     ) -> Result<()> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
             let mut model = channel.into_active_model();
             model.requires_zed_cla = ActiveValue::Set(requires_zed_cla);
             model.update(&*tx).await?;
@@ -244,8 +247,8 @@ impl Database {
         user_id: UserId,
     ) -> Result<(Vec<ChannelId>, Vec<UserId>)> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_admin(&channel, user_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_admin(&channel, user_id, &tx)
                 .await?;
 
             let members_to_notify: Vec<UserId> = channel_member::Entity::find()
@@ -258,7 +261,7 @@ impl Database {
                 .await?;
 
             let channels_to_remove = self
-                .get_channel_descendants_excluding_self([&channel], &*tx)
+                .get_channel_descendants_excluding_self([&channel], &tx)
                 .await?
                 .into_iter()
                 .map(|channel| channel.id)
@@ -284,8 +287,8 @@ impl Database {
         role: ChannelRole,
     ) -> Result<InviteMemberResult> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_admin(&channel, inviter_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_admin(&channel, inviter_id, &tx)
                 .await?;
             if !channel.is_root() {
                 Err(ErrorCode::NotARootChannel.anyhow())?
@@ -312,7 +315,7 @@ impl Database {
                         inviter_id: inviter_id.to_proto(),
                     },
                     true,
-                    &*tx,
+                    &tx,
                 )
                 .await?
                 .into_iter()
@@ -344,8 +347,8 @@ impl Database {
         self.transaction(move |tx| async move {
             let new_name = Self::sanitize_channel_name(new_name)?.to_string();
 
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_admin(&channel, admin_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_admin(&channel, admin_id, &tx)
                 .await?;
 
             let mut model = channel.into_active_model();
@@ -370,7 +373,7 @@ impl Database {
         accept: bool,
     ) -> Result<RespondToChannelInvite> {
         self.transaction(move |tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
 
             let membership_update = if accept {
                 let rows_affected = channel_member::Entity::update_many()
@@ -393,7 +396,7 @@ impl Database {
                 }
 
                 Some(
-                    self.calculate_membership_updated(&channel, user_id, &*tx)
+                    self.calculate_membership_updated(&channel, user_id, &tx)
                         .await?,
                 )
             } else {
@@ -425,7 +428,7 @@ impl Database {
                             inviter_id: Default::default(),
                         },
                         accept,
-                        &*tx,
+                        &tx,
                     )
                     .await?
                     .into_iter()
@@ -441,9 +444,9 @@ impl Database {
         user_id: UserId,
         tx: &DatabaseTransaction,
     ) -> Result<MembershipUpdated> {
-        let new_channels = self.get_user_channels(user_id, Some(channel), &*tx).await?;
+        let new_channels = self.get_user_channels(user_id, Some(channel), tx).await?;
         let removed_channels = self
-            .get_channel_descendants_excluding_self([channel], &*tx)
+            .get_channel_descendants_excluding_self([channel], tx)
             .await?
             .into_iter()
             .map(|channel| channel.id)
@@ -466,10 +469,10 @@ impl Database {
         admin_id: UserId,
     ) -> Result<RemoveChannelMemberResult> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
 
             if member_id != admin_id {
-                self.check_user_is_channel_admin(&channel, admin_id, &*tx)
+                self.check_user_is_channel_admin(&channel, admin_id, &tx)
                     .await?;
             }
 
@@ -488,7 +491,7 @@ impl Database {
 
             Ok(RemoveChannelMemberResult {
                 membership_update: self
-                    .calculate_membership_updated(&channel, member_id, &*tx)
+                    .calculate_membership_updated(&channel, member_id, &tx)
                     .await?,
                 notification_id: self
                     .remove_notification(
@@ -498,7 +501,7 @@ impl Database {
                             channel_name: Default::default(),
                             inviter_id: Default::default(),
                         },
-                        &*tx,
+                        &tx,
                     )
                     .await?,
             })
@@ -529,10 +532,7 @@ impl Database {
                 .all(&*tx)
                 .await?;
 
-            let channels = channels
-                .into_iter()
-                .filter_map(|channel| Some(Channel::from_model(channel)))
-                .collect();
+            let channels = channels.into_iter().map(Channel::from_model).collect();
 
             Ok(channels)
         })
@@ -567,16 +567,16 @@ impl Database {
 
         let channel_memberships = channel_member::Entity::find()
             .filter(filter)
-            .all(&*tx)
+            .all(tx)
             .await?;
 
         let channels = channel::Entity::find()
             .filter(channel::Column::Id.is_in(channel_memberships.iter().map(|m| m.channel_id)))
-            .all(&*tx)
+            .all(tx)
             .await?;
 
         let mut descendants = self
-            .get_channel_descendants_excluding_self(channels.iter(), &*tx)
+            .get_channel_descendants_excluding_self(channels.iter(), tx)
             .await?;
 
         for channel in channels {
@@ -617,7 +617,7 @@ impl Database {
                 .column(room::Column::ChannelId)
                 .column(room_participant::Column::UserId)
                 .into_values::<_, QueryUserIdsAndChannelIds>()
-                .stream(&*tx)
+                .stream(tx)
                 .await?;
             while let Some(row) = rows.next().await {
                 let row: (ChannelId, UserId) = row?;
@@ -628,32 +628,44 @@ impl Database {
         let channel_ids = channels.iter().map(|c| c.id).collect::<Vec<_>>();
 
         let mut channel_ids_by_buffer_id = HashMap::default();
+        let mut latest_buffer_versions: Vec<ChannelBufferVersion> = vec![];
         let mut rows = buffer::Entity::find()
             .filter(buffer::Column::ChannelId.is_in(channel_ids.iter().copied()))
-            .stream(&*tx)
+            .stream(tx)
             .await?;
         while let Some(row) = rows.next().await {
             let row = row?;
             channel_ids_by_buffer_id.insert(row.id, row.channel_id);
+            latest_buffer_versions.push(ChannelBufferVersion {
+                channel_id: row.channel_id.0 as u64,
+                epoch: row.latest_operation_epoch.unwrap_or_default() as u64,
+                version: if let Some((latest_lamport_timestamp, latest_replica_id)) = row
+                    .latest_operation_lamport_timestamp
+                    .zip(row.latest_operation_replica_id)
+                {
+                    vec![VectorClockEntry {
+                        timestamp: latest_lamport_timestamp as u32,
+                        replica_id: latest_replica_id as u32,
+                    }]
+                } else {
+                    vec![]
+                },
+            });
         }
         drop(rows);
 
-        let latest_buffer_versions = self
-            .latest_channel_buffer_changes(&channel_ids_by_buffer_id, &*tx)
-            .await?;
-
-        let latest_channel_messages = self.latest_channel_messages(&channel_ids, &*tx).await?;
+        let latest_channel_messages = self.latest_channel_messages(&channel_ids, tx).await?;
 
         let observed_buffer_versions = self
-            .observed_channel_buffer_changes(&channel_ids_by_buffer_id, user_id, &*tx)
+            .observed_channel_buffer_changes(&channel_ids_by_buffer_id, user_id, tx)
             .await?;
 
         let observed_channel_messages = self
-            .observed_channel_messages(&channel_ids, user_id, &*tx)
+            .observed_channel_messages(&channel_ids, user_id, tx)
             .await?;
 
         let hosted_projects = self
-            .get_hosted_projects(&channel_ids, &roles_by_channel_id, &*tx)
+            .get_hosted_projects(&channel_ids, &roles_by_channel_id, tx)
             .await?;
 
         Ok(ChannelsForUser {
@@ -677,8 +689,8 @@ impl Database {
         role: ChannelRole,
     ) -> Result<SetMemberRoleResult> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_admin(&channel, admin_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_admin(&channel, admin_id, &tx)
                 .await?;
 
             let membership = channel_member::Entity::find()
@@ -700,7 +712,7 @@ impl Database {
 
             if updated.accepted {
                 Ok(SetMemberRoleResult::MembershipUpdated(
-                    self.calculate_membership_updated(&channel, for_user, &*tx)
+                    self.calculate_membership_updated(&channel, for_user, &tx)
                         .await?,
                 ))
             } else {
@@ -720,13 +732,13 @@ impl Database {
     ) -> Result<Vec<proto::ChannelMember>> {
         let (role, members) = self
             .transaction(move |tx| async move {
-                let channel = self.get_channel_internal(channel_id, &*tx).await?;
+                let channel = self.get_channel_internal(channel_id, &tx).await?;
                 let role = self
-                    .check_user_is_channel_participant(&channel, user_id, &*tx)
+                    .check_user_is_channel_participant(&channel, user_id, &tx)
                     .await?;
                 Ok((
                     role,
-                    self.get_channel_participant_details_internal(&channel, &*tx)
+                    self.get_channel_participant_details_internal(&channel, &tx)
                         .await?,
                 ))
             })
@@ -781,7 +793,7 @@ impl Database {
         tx: &DatabaseTransaction,
     ) -> Result<Vec<UserId>> {
         let participants = self
-            .get_channel_participant_details_internal(channel, &*tx)
+            .get_channel_participant_details_internal(channel, tx)
             .await?;
         Ok(participants
             .into_iter()
@@ -858,7 +870,7 @@ impl Database {
             .filter(channel_member::Column::ChannelId.eq(channel.root_id()))
             .filter(channel_member::Column::UserId.eq(user_id))
             .filter(channel_member::Column::Accepted.eq(false))
-            .one(&*tx)
+            .one(tx)
             .await?;
 
         Ok(row)
@@ -878,7 +890,7 @@ impl Database {
                     .and(channel_member::Column::UserId.eq(user_id))
                     .and(channel_member::Column::Accepted.eq(true)),
             )
-            .one(&*tx)
+            .one(tx)
             .await?;
 
         let Some(membership) = membership else {
@@ -918,8 +930,8 @@ impl Database {
     /// Returns the channel with the given ID.
     pub async fn get_channel(&self, channel_id: ChannelId, user_id: UserId) -> Result<Channel> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_participant(&channel, user_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_participant(&channel, user_id, &tx)
                 .await?;
 
             Ok(Channel::from_model(channel))
@@ -933,7 +945,7 @@ impl Database {
         tx: &DatabaseTransaction,
     ) -> Result<channel::Model> {
         Ok(channel::Entity::find_by_id(channel_id)
-            .one(&*tx)
+            .one(tx)
             .await?
             .ok_or_else(|| proto::ErrorCode::NoSuchChannel.anyhow())?)
     }
@@ -946,7 +958,7 @@ impl Database {
     ) -> Result<RoomId> {
         let room = room::Entity::find()
             .filter(room::Column::ChannelId.eq(channel_id))
-            .one(&*tx)
+            .one(tx)
             .await?;
 
         let room_id = if let Some(room) = room {
@@ -957,7 +969,7 @@ impl Database {
                 live_kit_room: ActiveValue::Set(live_kit_room.to_string()),
                 ..Default::default()
             })
-            .exec(&*tx)
+            .exec(tx)
             .await?;
 
             result.last_insert_id
@@ -974,10 +986,10 @@ impl Database {
         admin_id: UserId,
     ) -> Result<(Vec<Channel>, Vec<channel_member::Model>)> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_admin(&channel, admin_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_admin(&channel, admin_id, &tx)
                 .await?;
-            let new_parent = self.get_channel_internal(new_parent_id, &*tx).await?;
+            let new_parent = self.get_channel_internal(new_parent_id, &tx).await?;
 
             if new_parent.root_id() != channel.root_id() {
                 Err(anyhow!(ErrorCode::WrongMoveTarget))?;

crates/collab/src/db/queries/contacts.rs

@@ -177,7 +177,7 @@ impl Database {
                         sender_id: sender_id.to_proto(),
                     },
                     true,
-                    &*tx,
+                    &tx,
                 )
                 .await?
                 .into_iter()
@@ -227,7 +227,7 @@ impl Database {
                         rpc::Notification::ContactRequest {
                             sender_id: requester_id.to_proto(),
                         },
-                        &*tx,
+                        &tx,
                     )
                     .await?;
             }
@@ -335,7 +335,7 @@ impl Database {
                         sender_id: requester_id.to_proto(),
                     },
                     accept,
-                    &*tx,
+                    &tx,
                 )
                 .await?,
             );
@@ -348,7 +348,7 @@ impl Database {
                             responder_id: responder_id.to_proto(),
                         },
                         true,
-                        &*tx,
+                        &tx,
                     )
                     .await?,
                 );

crates/collab/src/db/queries/contributors.rs

@@ -72,7 +72,7 @@ impl Database {
                     github_login,
                     github_user_id,
                     github_email,
-                    &*tx,
+                    &tx,
                 )
                 .await?;
 

crates/collab/src/db/queries/hosted_projects.rs

@@ -1,4 +1,4 @@
-use rpc::proto;
+use rpc::{proto, ErrorCode};
 
 use super::*;
 
@@ -9,20 +9,21 @@ impl Database {
         roles: &HashMap<ChannelId, ChannelRole>,
         tx: &DatabaseTransaction,
     ) -> Result<Vec<proto::HostedProject>> {
-        Ok(hosted_project::Entity::find()
+        let projects = hosted_project::Entity::find()
+            .find_also_related(project::Entity)
             .filter(hosted_project::Column::ChannelId.is_in(channel_ids.iter().map(|id| id.0)))
-            .all(&*tx)
+            .all(tx)
             .await?
             .into_iter()
-            .flat_map(|project| {
-                if project.deleted_at.is_some() {
+            .flat_map(|(hosted_project, project)| {
+                if hosted_project.deleted_at.is_some() {
                     return None;
                 }
-                match project.visibility {
+                match hosted_project.visibility {
                     ChannelVisibility::Public => {}
                     ChannelVisibility::Members => {
                         let is_visible = roles
-                            .get(&project.channel_id)
+                            .get(&hosted_project.channel_id)
                             .map(|role| role.can_see_all_descendants())
                             .unwrap_or(false);
                         if !is_visible {
@@ -31,12 +32,54 @@ impl Database {
                     }
                 };
                 Some(proto::HostedProject {
-                    id: project.id.to_proto(),
-                    channel_id: project.channel_id.to_proto(),
-                    name: project.name.clone(),
-                    visibility: project.visibility.into(),
+                    project_id: project?.id.to_proto(),
+                    channel_id: hosted_project.channel_id.to_proto(),
+                    name: hosted_project.name.clone(),
+                    visibility: hosted_project.visibility.into(),
                 })
             })
-            .collect())
+            .collect();
+
+        Ok(projects)
+    }
+
+    pub async fn get_hosted_project(
+        &self,
+        hosted_project_id: HostedProjectId,
+        user_id: UserId,
+        tx: &DatabaseTransaction,
+    ) -> Result<(hosted_project::Model, ChannelRole)> {
+        let project = hosted_project::Entity::find_by_id(hosted_project_id)
+            .one(tx)
+            .await?
+            .ok_or_else(|| anyhow!(ErrorCode::NoSuchProject))?;
+        let channel = channel::Entity::find_by_id(project.channel_id)
+            .one(tx)
+            .await?
+            .ok_or_else(|| anyhow!(ErrorCode::NoSuchChannel))?;
+
+        let role = match project.visibility {
+            ChannelVisibility::Public => {
+                self.check_user_is_channel_participant(&channel, user_id, tx)
+                    .await?
+            }
+            ChannelVisibility::Members => {
+                self.check_user_is_channel_member(&channel, user_id, tx)
+                    .await?
+            }
+        };
+
+        Ok((project, role))
+    }
+
+    pub async fn is_hosted_project(&self, project_id: ProjectId) -> Result<bool> {
+        self.transaction(|tx| async move {
+            Ok(project::Entity::find_by_id(project_id)
+                .one(&*tx)
+                .await?
+                .map(|project| project.hosted_project_id.is_some())
+                .ok_or_else(|| anyhow!(ErrorCode::NoSuchProject))?)
+        })
+        .await
     }
 }

crates/collab/src/db/queries/messages.rs

@@ -12,8 +12,8 @@ impl Database {
         user_id: UserId,
     ) -> Result<()> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_participant(&channel, user_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_participant(&channel, user_id, &tx)
                 .await?;
             channel_chat_participant::ActiveModel {
                 id: ActiveValue::NotSet,
@@ -87,8 +87,8 @@ impl Database {
         before_message_id: Option<MessageId>,
     ) -> Result<Vec<proto::ChannelMessage>> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_participant(&channel, user_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_participant(&channel, user_id, &tx)
                 .await?;
 
             let mut condition =
@@ -105,7 +105,7 @@ impl Database {
                 .all(&*tx)
                 .await?;
 
-            self.load_channel_messages(rows, &*tx).await
+            self.load_channel_messages(rows, &tx).await
         })
         .await
     }
@@ -127,16 +127,16 @@ impl Database {
             for row in &rows {
                 channels.insert(
                     row.channel_id,
-                    self.get_channel_internal(row.channel_id, &*tx).await?,
+                    self.get_channel_internal(row.channel_id, &tx).await?,
                 );
             }
 
             for (_, channel) in channels {
-                self.check_user_is_channel_participant(&channel, user_id, &*tx)
+                self.check_user_is_channel_participant(&channel, user_id, &tx)
                     .await?;
             }
 
-            let messages = self.load_channel_messages(rows, &*tx).await?;
+            let messages = self.load_channel_messages(rows, &tx).await?;
             Ok(messages)
         })
         .await
@@ -171,7 +171,7 @@ impl Database {
             .filter(channel_message_mention::Column::MessageId.is_in(messages.iter().map(|m| m.id)))
             .order_by_asc(channel_message_mention::Column::MessageId)
             .order_by_asc(channel_message_mention::Column::StartOffset)
-            .stream(&*tx)
+            .stream(tx)
             .await?;
 
         let mut message_ix = 0;
@@ -200,6 +200,7 @@ impl Database {
     }
 
     /// Creates a new channel message.
+    #[allow(clippy::too_many_arguments)]
     pub async fn create_channel_message(
         &self,
         channel_id: ChannelId,
@@ -211,8 +212,8 @@ impl Database {
         reply_to_message_id: Option<MessageId>,
     ) -> Result<CreatedChannelMessage> {
         self.transaction(|tx| async move {
-            let channel = self.get_channel_internal(channel_id, &*tx).await?;
-            self.check_user_is_channel_participant(&channel, user_id, &*tx)
+            let channel = self.get_channel_internal(channel_id, &tx).await?;
+            self.check_user_is_channel_participant(&channel, user_id, &tx)
                 .await?;
 
             let mut rows = channel_chat_participant::Entity::find()
@@ -302,13 +303,13 @@ impl Database {
                                     channel_id: channel_id.to_proto(),
                                 },
                                 false,
-                                &*tx,
+                                &tx,
                             )
                             .await?,
                         );
                     }
 
-                    self.observe_channel_message_internal(channel_id, user_id, message_id, &*tx)
+                    self.observe_channel_message_internal(channel_id, user_id, message_id, &tx)
                         .await?;
                 }
                 _ => {
@@ -321,7 +322,7 @@ impl Database {
                 }
             }
 
-            let mut channel_members = self.get_channel_participants(&channel, &*tx).await?;
+            let mut channel_members = self.get_channel_participants(&channel, &tx).await?;
             channel_members.retain(|member| !participant_user_ids.contains(member));
 
             Ok(CreatedChannelMessage {
@@ -341,7 +342,7 @@ impl Database {
         message_id: MessageId,
     ) -> Result<NotificationBatch> {
         self.transaction(|tx| async move {
-            self.observe_channel_message_internal(channel_id, user_id, message_id, &*tx)
+            self.observe_channel_message_internal(channel_id, user_id, message_id, &tx)
                 .await?;
             let mut batch = NotificationBatch::default();
             batch.extend(
@@ -352,7 +353,7 @@ impl Database {
                         sender_id: Default::default(),
                         channel_id: Default::default(),
                     },
-                    &*tx,
+                    &tx,
                 )
                 .await?,
             );
@@ -383,7 +384,7 @@ impl Database {
             .to_owned(),
         )
         // TODO: Try to upgrade SeaORM so we don't have to do this hack around their bug
-        .exec_without_returning(&*tx)
+        .exec_without_returning(tx)
         .await?;
         Ok(())
     }
@@ -400,7 +401,7 @@ impl Database {
                 observed_channel_messages::Column::ChannelId
                     .is_in(channel_ids.iter().map(|id| id.0)),
             )
-            .all(&*tx)
+            .all(tx)
             .await?;
 
         Ok(rows
@@ -451,7 +452,7 @@ impl Database {
 
         let stmt = Statement::from_string(self.pool.get_database_backend(), sql);
         let mut last_messages = channel_message::Model::find_by_statement(stmt)
-            .stream(&*tx)
+            .stream(tx)
             .await?;
 
         let mut results = Vec::new();
@@ -500,9 +501,9 @@ impl Database {
                 .await?;
 
             if result.rows_affected == 0 {
-                let channel = self.get_channel_internal(channel_id, &*tx).await?;
+                let channel = self.get_channel_internal(channel_id, &tx).await?;
                 if self
-                    .check_user_is_channel_admin(&channel, user_id, &*tx)
+                    .check_user_is_channel_admin(&channel, user_id, &tx)
                     .await
                     .is_ok()
                 {

crates/collab/src/db/queries/notifications.rs

@@ -95,7 +95,7 @@ impl Database {
             content: ActiveValue::Set(proto.content.clone()),
             ..Default::default()
         }
-        .save(&*tx)
+        .save(tx)
         .await?;
 
         Ok(Some((
@@ -184,7 +184,7 @@ impl Database {
         tx: &DatabaseTransaction,
     ) -> Result<Option<(UserId, proto::Notification)>> {
         if let Some(id) = self
-            .find_notification(recipient_id, notification, &*tx)
+            .find_notification(recipient_id, notification, tx)
             .await?
         {
             let row = notification::Entity::update(notification::ActiveModel {
@@ -236,7 +236,7 @@ impl Database {
                     }),
             )
             .into_values::<_, QueryIds>()
-            .one(&*tx)
+            .one(tx)
             .await?)
     }
 }

crates/collab/src/db/queries/projects.rs

@@ -57,13 +57,14 @@ impl Database {
             }
 
             let project = project::ActiveModel {
-                room_id: ActiveValue::set(participant.room_id),
-                host_user_id: ActiveValue::set(participant.user_id),
+                room_id: ActiveValue::set(Some(participant.room_id)),
+                host_user_id: ActiveValue::set(Some(participant.user_id)),
                 host_connection_id: ActiveValue::set(Some(connection.id as i32)),
                 host_connection_server_id: ActiveValue::set(Some(ServerId(
                     connection.owner_id as i32,
                 ))),
-                ..Default::default()
+                id: ActiveValue::NotSet,
+                hosted_project_id: ActiveValue::Set(None),
             }
             .insert(&*tx)
             .await?;
@@ -153,8 +154,12 @@ impl Database {
             self.update_project_worktrees(project.id, worktrees, &tx)
                 .await?;
 
+            let room_id = project
+                .room_id
+                .ok_or_else(|| anyhow!("project not in a room"))?;
+
             let guest_connection_ids = self.project_guest_connection_ids(project.id, &tx).await?;
-            let room = self.get_room(project.room_id, &tx).await?;
+            let room = self.get_room(room_id, &tx).await?;
             Ok((room, guest_connection_ids))
         })
         .await
@@ -181,7 +186,7 @@ impl Database {
                     .update_column(worktree::Column::RootName)
                     .to_owned(),
             )
-            .exec(&*tx)
+            .exec(tx)
             .await?;
         }
 
@@ -189,7 +194,7 @@ impl Database {
             .filter(worktree::Column::ProjectId.eq(project_id).and(
                 worktree::Column::Id.is_not_in(worktrees.iter().map(|worktree| worktree.id as i64)),
             ))
-            .exec(&*tx)
+            .exec(tx)
             .await?;
 
         Ok(())
@@ -382,7 +387,6 @@ impl Database {
                 language_server_id: ActiveValue::set(summary.language_server_id as i64),
                 error_count: ActiveValue::set(summary.error_count as i32),
                 warning_count: ActiveValue::set(summary.warning_count as i32),
-                ..Default::default()
             })
             .on_conflict(
                 OnConflict::columns([
@@ -434,7 +438,6 @@ impl Database {
                 project_id: ActiveValue::set(project_id),
                 id: ActiveValue::set(server.id as i64),
                 name: ActiveValue::set(server.name.clone()),
-                ..Default::default()
             })
             .on_conflict(
                 OnConflict::columns([
@@ -506,8 +509,42 @@ impl Database {
         .await
     }
 
-    /// Adds the given connection to the specified project.
-    pub async fn join_project(
+    /// Adds the given connection to the specified hosted project
+    pub async fn join_hosted_project(
+        &self,
+        id: ProjectId,
+        user_id: UserId,
+        connection: ConnectionId,
+    ) -> Result<(Project, ReplicaId)> {
+        self.transaction(|tx| async move {
+            let (project, hosted_project) = project::Entity::find_by_id(id)
+                .find_also_related(hosted_project::Entity)
+                .one(&*tx)
+                .await?
+                .ok_or_else(|| anyhow!("hosted project is no longer shared"))?;
+
+            let Some(hosted_project) = hosted_project else {
+                return Err(anyhow!("project is not hosted"))?;
+            };
+
+            let channel = channel::Entity::find_by_id(hosted_project.channel_id)
+                .one(&*tx)
+                .await?
+                .ok_or_else(|| anyhow!("no such channel"))?;
+
+            let role = self
+                .check_user_is_channel_participant(&channel, user_id, &tx)
+                .await?;
+
+            self.join_project_internal(project, user_id, connection, role, &tx)
+                .await
+        })
+        .await
+    }
+
+    /// Adds the given connection to the specified project
+    /// in the current room.
+    pub async fn join_project_in_room(
         &self,
         project_id: ProjectId,
         connection: ConnectionId,
@@ -534,180 +571,240 @@ impl Database {
                 .one(&*tx)
                 .await?
                 .ok_or_else(|| anyhow!("no such project"))?;
-            if project.room_id != participant.room_id {
+            if project.room_id != Some(participant.room_id) {
                 return Err(anyhow!("no such project"))?;
             }
+            self.join_project_internal(
+                project,
+                participant.user_id,
+                connection,
+                participant.role.unwrap_or(ChannelRole::Member),
+                &tx,
+            )
+            .await
+        })
+        .await
+    }
 
-            let mut collaborators = project
+    async fn join_project_internal(
+        &self,
+        project: project::Model,
+        user_id: UserId,
+        connection: ConnectionId,
+        role: ChannelRole,
+        tx: &DatabaseTransaction,
+    ) -> Result<(Project, ReplicaId)> {
+        let mut collaborators = project
+            .find_related(project_collaborator::Entity)
+            .all(tx)
+            .await?;
+        let replica_ids = collaborators
+            .iter()
+            .map(|c| c.replica_id)
+            .collect::<HashSet<_>>();
+        let mut replica_id = ReplicaId(1);
+        while replica_ids.contains(&replica_id) {
+            replica_id.0 += 1;
+        }
+        let new_collaborator = project_collaborator::ActiveModel {
+            project_id: ActiveValue::set(project.id),
+            connection_id: ActiveValue::set(connection.id as i32),
+            connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
+            user_id: ActiveValue::set(user_id),
+            replica_id: ActiveValue::set(replica_id),
+            is_host: ActiveValue::set(false),
+            ..Default::default()
+        }
+        .insert(tx)
+        .await?;
+        collaborators.push(new_collaborator);
+
+        let db_worktrees = project.find_related(worktree::Entity).all(tx).await?;
+        let mut worktrees = db_worktrees
+            .into_iter()
+            .map(|db_worktree| {
+                (
+                    db_worktree.id as u64,
+                    Worktree {
+                        id: db_worktree.id as u64,
+                        abs_path: db_worktree.abs_path,
+                        root_name: db_worktree.root_name,
+                        visible: db_worktree.visible,
+                        entries: Default::default(),
+                        repository_entries: Default::default(),
+                        diagnostic_summaries: Default::default(),
+                        settings_files: Default::default(),
+                        scan_id: db_worktree.scan_id as u64,
+                        completed_scan_id: db_worktree.completed_scan_id as u64,
+                    },
+                )
+            })
+            .collect::<BTreeMap<_, _>>();
+
+        // Populate worktree entries.
+        {
+            let mut db_entries = worktree_entry::Entity::find()
+                .filter(
+                    Condition::all()
+                        .add(worktree_entry::Column::ProjectId.eq(project.id))
+                        .add(worktree_entry::Column::IsDeleted.eq(false)),
+                )
+                .stream(tx)
+                .await?;
+            while let Some(db_entry) = db_entries.next().await {
+                let db_entry = db_entry?;
+                if let Some(worktree) = worktrees.get_mut(&(db_entry.worktree_id as u64)) {
+                    worktree.entries.push(proto::Entry {
+                        id: db_entry.id as u64,
+                        is_dir: db_entry.is_dir,
+                        path: db_entry.path,
+                        inode: db_entry.inode as u64,
+                        mtime: Some(proto::Timestamp {
+                            seconds: db_entry.mtime_seconds as u64,
+                            nanos: db_entry.mtime_nanos as u32,
+                        }),
+                        is_symlink: db_entry.is_symlink,
+                        is_ignored: db_entry.is_ignored,
+                        is_external: db_entry.is_external,
+                        git_status: db_entry.git_status.map(|status| status as i32),
+                    });
+                }
+            }
+        }
+
+        // Populate repository entries.
+        {
+            let mut db_repository_entries = worktree_repository::Entity::find()
+                .filter(
+                    Condition::all()
+                        .add(worktree_repository::Column::ProjectId.eq(project.id))
+                        .add(worktree_repository::Column::IsDeleted.eq(false)),
+                )
+                .stream(tx)
+                .await?;
+            while let Some(db_repository_entry) = db_repository_entries.next().await {
+                let db_repository_entry = db_repository_entry?;
+                if let Some(worktree) = worktrees.get_mut(&(db_repository_entry.worktree_id as u64))
+                {
+                    worktree.repository_entries.insert(
+                        db_repository_entry.work_directory_id as u64,
+                        proto::RepositoryEntry {
+                            work_directory_id: db_repository_entry.work_directory_id as u64,
+                            branch: db_repository_entry.branch,
+                        },
+                    );
+                }
+            }
+        }
+
+        // Populate worktree diagnostic summaries.
+        {
+            let mut db_summaries = worktree_diagnostic_summary::Entity::find()
+                .filter(worktree_diagnostic_summary::Column::ProjectId.eq(project.id))
+                .stream(tx)
+                .await?;
+            while let Some(db_summary) = db_summaries.next().await {
+                let db_summary = db_summary?;
+                if let Some(worktree) = worktrees.get_mut(&(db_summary.worktree_id as u64)) {
+                    worktree
+                        .diagnostic_summaries
+                        .push(proto::DiagnosticSummary {
+                            path: db_summary.path,
+                            language_server_id: db_summary.language_server_id as u64,
+                            error_count: db_summary.error_count as u32,
+                            warning_count: db_summary.warning_count as u32,
+                        });
+                }
+            }
+        }
+
+        // Populate worktree settings files
+        {
+            let mut db_settings_files = worktree_settings_file::Entity::find()
+                .filter(worktree_settings_file::Column::ProjectId.eq(project.id))
+                .stream(tx)
+                .await?;
+            while let Some(db_settings_file) = db_settings_files.next().await {
+                let db_settings_file = db_settings_file?;
+                if let Some(worktree) = worktrees.get_mut(&(db_settings_file.worktree_id as u64)) {
+                    worktree.settings_files.push(WorktreeSettingsFile {
+                        path: db_settings_file.path,
+                        content: db_settings_file.content,
+                    });
+                }
+            }
+        }
+
+        // Populate language servers.
+        let language_servers = project
+            .find_related(language_server::Entity)
+            .all(tx)
+            .await?;
+
+        let project = Project {
+            id: project.id,
+            role,
+            collaborators: collaborators
+                .into_iter()
+                .map(|collaborator| ProjectCollaborator {
+                    connection_id: collaborator.connection(),
+                    user_id: collaborator.user_id,
+                    replica_id: collaborator.replica_id,
+                    is_host: collaborator.is_host,
+                })
+                .collect(),
+            worktrees,
+            language_servers: language_servers
+                .into_iter()
+                .map(|language_server| proto::LanguageServer {
+                    id: language_server.id as u64,
+                    name: language_server.name,
+                })
+                .collect(),
+        };
+        Ok((project, replica_id as ReplicaId))
+    }
+
+    pub async fn leave_hosted_project(
+        &self,
+        project_id: ProjectId,
+        connection: ConnectionId,
+    ) -> Result<LeftProject> {
+        self.transaction(|tx| async move {
+            let result = project_collaborator::Entity::delete_many()
+                .filter(
+                    Condition::all()
+                        .add(project_collaborator::Column::ProjectId.eq(project_id))
+                        .add(project_collaborator::Column::ConnectionId.eq(connection.id as i32))
+                        .add(
+                            project_collaborator::Column::ConnectionServerId
+                                .eq(connection.owner_id as i32),
+                        ),
+                )
+                .exec(&*tx)
+                .await?;
+            if result.rows_affected == 0 {
+                return Err(anyhow!("not in the project"))?;
+            }
+
+            let project = project::Entity::find_by_id(project_id)
+                .one(&*tx)
+                .await?
+                .ok_or_else(|| anyhow!("no such project"))?;
+            let collaborators = project
                 .find_related(project_collaborator::Entity)
                 .all(&*tx)
                 .await?;
-            let replica_ids = collaborators
-                .iter()
-                .map(|c| c.replica_id)
-                .collect::<HashSet<_>>();
-            let mut replica_id = ReplicaId(1);
-            while replica_ids.contains(&replica_id) {
-                replica_id.0 += 1;
-            }
-            let new_collaborator = project_collaborator::ActiveModel {
-                project_id: ActiveValue::set(project_id),
-                connection_id: ActiveValue::set(connection.id as i32),
-                connection_server_id: ActiveValue::set(ServerId(connection.owner_id as i32)),
-                user_id: ActiveValue::set(participant.user_id),
-                replica_id: ActiveValue::set(replica_id),
-                is_host: ActiveValue::set(false),
-                ..Default::default()
-            }
-            .insert(&*tx)
-            .await?;
-            collaborators.push(new_collaborator);
-
-            let db_worktrees = project.find_related(worktree::Entity).all(&*tx).await?;
-            let mut worktrees = db_worktrees
+            let connection_ids = collaborators
                 .into_iter()
-                .map(|db_worktree| {
-                    (
-                        db_worktree.id as u64,
-                        Worktree {
-                            id: db_worktree.id as u64,
-                            abs_path: db_worktree.abs_path,
-                            root_name: db_worktree.root_name,
-                            visible: db_worktree.visible,
-                            entries: Default::default(),
-                            repository_entries: Default::default(),
-                            diagnostic_summaries: Default::default(),
-                            settings_files: Default::default(),
-                            scan_id: db_worktree.scan_id as u64,
-                            completed_scan_id: db_worktree.completed_scan_id as u64,
-                        },
-                    )
-                })
-                .collect::<BTreeMap<_, _>>();
-
-            // Populate worktree entries.
-            {
-                let mut db_entries = worktree_entry::Entity::find()
-                    .filter(
-                        Condition::all()
-                            .add(worktree_entry::Column::ProjectId.eq(project_id))
-                            .add(worktree_entry::Column::IsDeleted.eq(false)),
-                    )
-                    .stream(&*tx)
-                    .await?;
-                while let Some(db_entry) = db_entries.next().await {
-                    let db_entry = db_entry?;
-                    if let Some(worktree) = worktrees.get_mut(&(db_entry.worktree_id as u64)) {
-                        worktree.entries.push(proto::Entry {
-                            id: db_entry.id as u64,
-                            is_dir: db_entry.is_dir,
-                            path: db_entry.path,
-                            inode: db_entry.inode as u64,
-                            mtime: Some(proto::Timestamp {
-                                seconds: db_entry.mtime_seconds as u64,
-                                nanos: db_entry.mtime_nanos as u32,
-                            }),
-                            is_symlink: db_entry.is_symlink,
-                            is_ignored: db_entry.is_ignored,
-                            is_external: db_entry.is_external,
-                            git_status: db_entry.git_status.map(|status| status as i32),
-                        });
-                    }
-                }
-            }
-
-            // Populate repository entries.
-            {
-                let mut db_repository_entries = worktree_repository::Entity::find()
-                    .filter(
-                        Condition::all()
-                            .add(worktree_repository::Column::ProjectId.eq(project_id))
-                            .add(worktree_repository::Column::IsDeleted.eq(false)),
-                    )
-                    .stream(&*tx)
-                    .await?;
-                while let Some(db_repository_entry) = db_repository_entries.next().await {
-                    let db_repository_entry = db_repository_entry?;
-                    if let Some(worktree) =
-                        worktrees.get_mut(&(db_repository_entry.worktree_id as u64))
-                    {
-                        worktree.repository_entries.insert(
-                            db_repository_entry.work_directory_id as u64,
-                            proto::RepositoryEntry {
-                                work_directory_id: db_repository_entry.work_directory_id as u64,
-                                branch: db_repository_entry.branch,
-                            },
-                        );
-                    }
-                }
-            }
-
-            // Populate worktree diagnostic summaries.
-            {
-                let mut db_summaries = worktree_diagnostic_summary::Entity::find()
-                    .filter(worktree_diagnostic_summary::Column::ProjectId.eq(project_id))
-                    .stream(&*tx)
-                    .await?;
-                while let Some(db_summary) = db_summaries.next().await {
-                    let db_summary = db_summary?;
-                    if let Some(worktree) = worktrees.get_mut(&(db_summary.worktree_id as u64)) {
-                        worktree
-                            .diagnostic_summaries
-                            .push(proto::DiagnosticSummary {
-                                path: db_summary.path,
-                                language_server_id: db_summary.language_server_id as u64,
-                                error_count: db_summary.error_count as u32,
-                                warning_count: db_summary.warning_count as u32,
-                            });
-                    }
-                }
-            }
-
-            // Populate worktree settings files
-            {
-                let mut db_settings_files = worktree_settings_file::Entity::find()
-                    .filter(worktree_settings_file::Column::ProjectId.eq(project_id))
-                    .stream(&*tx)
-                    .await?;
-                while let Some(db_settings_file) = db_settings_files.next().await {
-                    let db_settings_file = db_settings_file?;
-                    if let Some(worktree) =
-                        worktrees.get_mut(&(db_settings_file.worktree_id as u64))
-                    {
-                        worktree.settings_files.push(WorktreeSettingsFile {
-                            path: db_settings_file.path,
-                            content: db_settings_file.content,
-                        });
-                    }
-                }
-            }
-
-            // Populate language servers.
-            let language_servers = project
-                .find_related(language_server::Entity)
-                .all(&*tx)
-                .await?;
-
-            let project = Project {
-                collaborators: collaborators
-                    .into_iter()
-                    .map(|collaborator| ProjectCollaborator {
-                        connection_id: collaborator.connection(),
-                        user_id: collaborator.user_id,
-                        replica_id: collaborator.replica_id,
-                        is_host: collaborator.is_host,
-                    })
-                    .collect(),
-                worktrees,
-                language_servers: language_servers
-                    .into_iter()
-                    .map(|language_server| proto::LanguageServer {
-                        id: language_server.id as u64,
-                        name: language_server.name,
-                    })
-                    .collect(),
-            };
-            Ok((project, replica_id as ReplicaId))
+                .map(|collaborator| collaborator.connection())
+                .collect();
+            Ok(LeftProject {
+                id: project.id,
+                connection_ids,
+                host_user_id: None,
+                host_connection_id: None,
+            })
         })
         .await
     }
@@ -774,7 +871,7 @@ impl Database {
                 .exec(&*tx)
                 .await?;
 
-            let room = self.get_room(project.room_id, &tx).await?;
+            let room = self.get_room(room_id, &tx).await?;
             let left_project = LeftProject {
                 id: project_id,
                 host_user_id: project.host_user_id,
@@ -998,7 +1095,9 @@ impl Database {
                 .one(&*tx)
                 .await?
                 .ok_or_else(|| anyhow!("project {} not found", project_id))?;
-            Ok(project.room_id)
+            Ok(project
+                .room_id
+                .ok_or_else(|| anyhow!("project not in room"))?)
         })
         .await
     }
@@ -1061,7 +1160,7 @@ impl Database {
             .insert(&*tx)
             .await?;
 
-            let room = self.get_room(room_id, &*tx).await?;
+            let room = self.get_room(room_id, &tx).await?;
             Ok(room)
         })
         .await
@@ -1095,7 +1194,7 @@ impl Database {
                 .exec(&*tx)
                 .await?;
 
-            let room = self.get_room(room_id, &*tx).await?;
+            let room = self.get_room(room_id, &tx).await?;
             Ok(room)
         })
         .await

crates/collab/src/db/queries/rooms.rs

@@ -321,7 +321,7 @@ impl Database {
             }
 
             let participant_index = self
-                .get_next_participant_index_internal(room_id, &*tx)
+                .get_next_participant_index_internal(room_id, &tx)
                 .await?;
 
             let result = room_participant::Entity::update_many()
@@ -374,7 +374,7 @@ impl Database {
             .select_only()
             .column(room_participant::Column::ParticipantIndex)
             .into_values::<_, QueryParticipantIndices>()
-            .all(&*tx)
+            .all(tx)
             .await?;
 
         let mut participant_index = 0;
@@ -407,7 +407,7 @@ impl Database {
         tx: &DatabaseTransaction,
     ) -> Result<JoinRoom> {
         let participant_index = self
-            .get_next_participant_index_internal(room_id, &*tx)
+            .get_next_participant_index_internal(room_id, tx)
             .await?;
 
         room_participant::Entity::insert_many([room_participant::ActiveModel {
@@ -441,12 +441,12 @@ impl Database {
                 ])
                 .to_owned(),
         )
-        .exec(&*tx)
+        .exec(tx)
         .await?;
 
         let (channel, room) = self.get_channel_room(room_id, &tx).await?;
         let channel = channel.ok_or_else(|| anyhow!("no channel for room"))?;
-        let channel_members = self.get_channel_participants(&channel, &*tx).await?;
+        let channel_members = self.get_channel_participants(&channel, tx).await?;
         Ok(JoinRoom {
             room,
             channel_id: Some(channel.id),
@@ -468,15 +468,7 @@ impl Database {
                     Condition::all()
                         .add(room_participant::Column::RoomId.eq(room_id))
                         .add(room_participant::Column::UserId.eq(user_id))
-                        .add(room_participant::Column::AnsweringConnectionId.is_not_null())
-                        .add(
-                            Condition::any()
-                                .add(room_participant::Column::AnsweringConnectionLost.eq(true))
-                                .add(
-                                    room_participant::Column::AnsweringConnectionServerId
-                                        .ne(connection.owner_id as i32),
-                                ),
-                        ),
+                        .add(room_participant::Column::AnsweringConnectionId.is_not_null()),
                 )
                 .set(room_participant::ActiveModel {
                     answering_connection_id: ActiveValue::set(Some(connection.id as i32)),
@@ -499,7 +491,7 @@ impl Database {
                     .one(&*tx)
                     .await?
                     .ok_or_else(|| anyhow!("project does not exist"))?;
-                if project.host_user_id != user_id {
+                if project.host_user_id != Some(user_id) {
                     return Err(anyhow!("no such project"))?;
                 }
 
@@ -859,7 +851,7 @@ impl Database {
                     }
 
                     if collaborator.is_host {
-                        left_project.host_user_id = collaborator.user_id;
+                        left_project.host_user_id = Some(collaborator.user_id);
                         left_project.host_connection_id = Some(collaborator_connection_id);
                     }
                 }
@@ -1018,7 +1010,7 @@ impl Database {
                 .ok_or_else(|| anyhow!("only admins can set participant role"))?;
 
             if role.requires_cla() {
-                self.check_user_has_signed_cla(user_id, room_id, &*tx)
+                self.check_user_has_signed_cla(user_id, room_id, &tx)
                     .await?;
             }
 
@@ -1029,7 +1021,7 @@ impl Database {
                         .add(room_participant::Column::UserId.eq(user_id)),
                 )
                 .set(room_participant::ActiveModel {
-                    role: ActiveValue::set(Some(ChannelRole::from(role))),
+                    role: ActiveValue::set(Some(role)),
                     ..Default::default()
                 })
                 .exec(&*tx)
@@ -1038,7 +1030,7 @@ impl Database {
             if result.rows_affected != 1 {
                 Err(anyhow!("could not update room participant role"))?;
             }
-            Ok(self.get_room(room_id, &tx).await?)
+            self.get_room(room_id, &tx).await
         })
         .await
     }
@@ -1050,11 +1042,11 @@ impl Database {
         tx: &DatabaseTransaction,
     ) -> Result<()> {
         let channel = room::Entity::find_by_id(room_id)
-            .one(&*tx)
+            .one(tx)
             .await?
             .ok_or_else(|| anyhow!("could not find room"))?
             .find_related(channel::Entity)
-            .one(&*tx)
+            .one(tx)
             .await?;
 
         if let Some(channel) = channel {
@@ -1065,13 +1057,13 @@ impl Database {
                             .is_in(channel.ancestors())
                             .and(channel::Column::RequiresZedCla.eq(true)),
                     )
-                    .count(&*tx)
+                    .count(tx)
                     .await?
                     > 0;
             if requires_zed_cla {
                 if contributor::Entity::find()
                     .filter(contributor::Column::UserId.eq(user_id))
-                    .one(&*tx)
+                    .one(tx)
                     .await?
                     .is_none()
                 {
@@ -1084,10 +1076,9 @@ impl Database {
 
     pub async fn connection_lost(&self, connection: ConnectionId) -> Result<()> {
         self.transaction(|tx| async move {
-            self.room_connection_lost(connection, &*tx).await?;
-            self.channel_buffer_connection_lost(connection, &*tx)
-                .await?;
-            self.channel_chat_connection_lost(connection, &*tx).await?;
+            self.room_connection_lost(connection, &tx).await?;
+            self.channel_buffer_connection_lost(connection, &tx).await?;
+            self.channel_chat_connection_lost(connection, &tx).await?;
             Ok(())
         })
         .await
@@ -1107,7 +1098,7 @@ impl Database {
                             .eq(connection.owner_id as i32),
                     ),
             )
-            .one(&*tx)
+            .one(tx)
             .await?;
 
         if let Some(participant) = participant {
@@ -1115,7 +1106,7 @@ impl Database {
                 answering_connection_lost: ActiveValue::set(true),
                 ..participant.into_active_model()
             })
-            .exec(&*tx)
+            .exec(tx)
             .await?;
         }
         Ok(())
@@ -1304,7 +1295,7 @@ impl Database {
         drop(db_followers);
 
         let channel = if let Some(channel_id) = db_room.channel_id {
-            Some(self.get_channel_internal(channel_id, &*tx).await?)
+            Some(self.get_channel_internal(channel_id, tx).await?)
         } else {
             None
         };