Files
zed/crates/edit_prediction/src/capture_example.rs

371 lines
13 KiB
Rust

use crate::{
EditPredictionStore, StoredEvent,
cursor_excerpt::editable_and_context_ranges_for_cursor_position, example_spec::ExampleSpec,
};
use anyhow::Result;
use buffer_diff::BufferDiffSnapshot;
use collections::HashMap;
use gpui::{App, Entity, Task};
use language::{Buffer, ToPoint as _};
use project::Project;
use std::{collections::hash_map, fmt::Write as _, path::Path, sync::Arc};
use text::BufferSnapshot as TextBufferSnapshot;
pub fn capture_example(
project: Entity<Project>,
buffer: Entity<Buffer>,
cursor_anchor: language::Anchor,
cx: &mut App,
) -> Option<Task<Result<ExampleSpec>>> {
let ep_store = EditPredictionStore::try_global(cx)?;
let snapshot = buffer.read(cx).snapshot();
let file = snapshot.file()?;
let worktree_id = file.worktree_id(cx);
let repository = project.read(cx).active_repository(cx)?;
let repository_snapshot = repository.read(cx).snapshot();
let worktree = project.read(cx).worktree_for_id(worktree_id, cx)?;
let cursor_path = worktree.read(cx).root_name().join(file.path());
if worktree.read(cx).abs_path() != repository_snapshot.work_directory_abs_path {
return None;
}
let repository_url = repository_snapshot
.remote_origin_url
.clone()
.or_else(|| repository_snapshot.remote_upstream_url.clone())?;
let revision = repository_snapshot.head_commit.as_ref()?.sha.to_string();
let events = ep_store.update(cx, |store, cx| {
store.edit_history_for_project_with_pause_split_last_event(&project, cx)
});
let git_store = project.read(cx).git_store().clone();
Some(cx.spawn(async move |mut cx| {
let snapshots_by_path = collect_snapshots(&project, &git_store, &events, &mut cx).await?;
let line_comment_prefix = snapshot
.language()
.and_then(|lang| lang.config().line_comments.first())
.map(|s| s.to_string())
.unwrap_or_default();
let (cursor_excerpt, cursor_offset) = cx
.background_executor()
.spawn(async move { compute_cursor_excerpt(&snapshot, cursor_anchor) })
.await;
let uncommitted_diff = cx
.background_executor()
.spawn(async move { compute_uncommitted_diff(snapshots_by_path) })
.await;
let mut edit_history = String::new();
for stored_event in &events {
zeta_prompt::write_event(&mut edit_history, &stored_event.event);
if !edit_history.ends_with('\n') {
edit_history.push('\n');
}
}
let mut spec = ExampleSpec {
name: generate_timestamp_name(),
repository_url,
revision,
uncommitted_diff,
cursor_path: cursor_path.as_std_path().into(),
cursor_position: String::new(),
edit_history,
expected_patches: Vec::new(),
};
spec.set_cursor_excerpt(&cursor_excerpt, cursor_offset, &line_comment_prefix);
Ok(spec)
}))
}
fn compute_cursor_excerpt(
snapshot: &language::BufferSnapshot,
cursor_anchor: language::Anchor,
) -> (String, usize) {
use text::ToOffset as _;
let cursor_point = cursor_anchor.to_point(snapshot);
let (_editable_range, context_range) =
editable_and_context_ranges_for_cursor_position(cursor_point, snapshot, 100, 50);
let context_start_offset = context_range.start.to_offset(snapshot);
let cursor_offset = cursor_anchor.to_offset(snapshot);
let cursor_offset_in_excerpt = cursor_offset.saturating_sub(context_start_offset);
let excerpt = snapshot.text_for_range(context_range).collect::<String>();
(excerpt, cursor_offset_in_excerpt)
}
async fn collect_snapshots(
project: &Entity<Project>,
git_store: &Entity<project::git_store::GitStore>,
events: &[StoredEvent],
cx: &mut gpui::AsyncApp,
) -> Result<HashMap<Arc<Path>, (TextBufferSnapshot, BufferDiffSnapshot)>> {
let mut snapshots_by_path = HashMap::default();
for stored_event in events {
let zeta_prompt::Event::BufferChange { path, .. } = stored_event.event.as_ref();
if let Some((project_path, full_path)) = project.read_with(cx, |project, cx| {
let project_path = project.find_project_path(path, cx)?;
let full_path = project
.worktree_for_id(project_path.worktree_id, cx)?
.read(cx)
.root_name()
.join(&project_path.path)
.as_std_path()
.into();
Some((project_path, full_path))
})? {
if let hash_map::Entry::Vacant(entry) = snapshots_by_path.entry(full_path) {
let buffer = project
.update(cx, |project, cx| {
project.open_buffer(project_path.clone(), cx)
})?
.await?;
let diff = git_store
.update(cx, |git_store, cx| {
git_store.open_uncommitted_diff(buffer.clone(), cx)
})?
.await?;
let diff_snapshot = diff.update(cx, |diff, cx| diff.snapshot(cx))?;
entry.insert((stored_event.old_snapshot.clone(), diff_snapshot));
}
}
}
Ok(snapshots_by_path)
}
fn compute_uncommitted_diff(
snapshots_by_path: HashMap<Arc<Path>, (TextBufferSnapshot, BufferDiffSnapshot)>,
) -> String {
let mut uncommitted_diff = String::new();
for (full_path, (before_text, diff_snapshot)) in snapshots_by_path {
if let Some(head_text) = &diff_snapshot.base_text_string() {
let file_diff = language::unified_diff(head_text, &before_text.text());
if !file_diff.is_empty() {
let path_str = full_path.to_string_lossy();
writeln!(uncommitted_diff, "--- a/{path_str}").ok();
writeln!(uncommitted_diff, "+++ b/{path_str}").ok();
uncommitted_diff.push_str(&file_diff);
if !uncommitted_diff.ends_with('\n') {
uncommitted_diff.push('\n');
}
}
}
}
uncommitted_diff
}
fn generate_timestamp_name() -> String {
let format = time::format_description::parse("[year]-[month]-[day] [hour]:[minute]:[second]");
match format {
Ok(format) => {
let now = time::OffsetDateTime::now_local()
.unwrap_or_else(|_| time::OffsetDateTime::now_utc());
now.format(&format)
.unwrap_or_else(|_| "unknown-time".to_string())
}
Err(_) => "unknown-time".to_string(),
}
}
#[cfg(test)]
mod tests {
use super::*;
use client::{Client, UserStore};
use clock::FakeSystemClock;
use gpui::{AppContext as _, TestAppContext, http_client::FakeHttpClient};
use indoc::indoc;
use language::{Anchor, Point};
use project::{FakeFs, Project};
use serde_json::json;
use settings::SettingsStore;
use std::path::Path;
#[gpui::test]
async fn test_capture_example(cx: &mut TestAppContext) {
init_test(cx);
let fs = FakeFs::new(cx.executor());
let committed_contents = indoc! {"
fn main() {
one();
two();
three();
four();
five();
six();
seven();
eight();
nine();
}
"};
let disk_contents = indoc! {"
fn main() {
// comment 1
one();
two();
three();
four();
five();
six();
seven();
eight();
// comment 2
nine();
}
"};
fs.insert_tree(
"/project",
json!({
".git": {},
"src": {
"main.rs": disk_contents,
}
}),
)
.await;
fs.set_head_for_repo(
Path::new("/project/.git"),
&[("src/main.rs", committed_contents.to_string())],
"abc123def456",
);
fs.set_remote_for_repo(
Path::new("/project/.git"),
"origin",
"https://github.com/test/repo.git",
);
let project = Project::test(fs.clone(), ["/project".as_ref()], cx).await;
let buffer = project
.update(cx, |project, cx| {
project.open_local_buffer("/project/src/main.rs", cx)
})
.await
.unwrap();
let ep_store = cx.read(|cx| EditPredictionStore::try_global(cx).unwrap());
ep_store.update(cx, |ep_store, cx| {
ep_store.register_buffer(&buffer, &project, cx)
});
cx.run_until_parked();
buffer.update(cx, |buffer, cx| {
let point = Point::new(6, 0);
buffer.edit([(point..point, " // comment 3\n")], None, cx);
let point = Point::new(4, 0);
buffer.edit([(point..point, " // comment 4\n")], None, cx);
pretty_assertions::assert_eq!(
buffer.text(),
indoc! {"
fn main() {
// comment 1
one();
two();
// comment 4
three();
four();
// comment 3
five();
six();
seven();
eight();
// comment 2
nine();
}
"}
);
});
cx.run_until_parked();
let mut example = cx
.update(|cx| capture_example(project.clone(), buffer.clone(), Anchor::MIN, cx).unwrap())
.await
.unwrap();
example.name = "test".to_string();
pretty_assertions::assert_eq!(
example,
ExampleSpec {
name: "test".to_string(),
repository_url: "https://github.com/test/repo.git".to_string(),
revision: "abc123def456".to_string(),
uncommitted_diff: indoc! {"
--- a/project/src/main.rs
+++ b/project/src/main.rs
@@ -1,4 +1,5 @@
fn main() {
+ // comment 1
one();
two();
three();
@@ -7,5 +8,6 @@
six();
seven();
eight();
+ // comment 2
nine();
}
"}
.to_string(),
cursor_path: Path::new("project/src/main.rs").into(),
cursor_position: indoc! {"
fn main() {
^[CURSOR_POSITION]
// comment 1
one();
two();
// comment 4
three();
four();
// comment 3
five();
six();
seven();
eight();
// comment 2
nine();
}
"}
.to_string(),
edit_history: indoc! {"
--- a/project/src/main.rs
+++ b/project/src/main.rs
@@ -2,8 +2,10 @@
// comment 1
one();
two();
+ // comment 4
three();
four();
+ // comment 3
five();
six();
seven();
"}
.to_string(),
expected_patches: Vec::new()
}
);
}
fn init_test(cx: &mut TestAppContext) {
cx.update(|cx| {
let settings_store = SettingsStore::test(cx);
cx.set_global(settings_store);
zlog::init_test();
let http_client = FakeHttpClient::with_404_response();
let client = Client::new(Arc::new(FakeSystemClock::new()), http_client, cx);
language_model::init(client.clone(), cx);
let user_store = cx.new(|cx| UserStore::new(client.clone(), cx));
EditPredictionStore::global(&client, &user_store, cx);
})
}
}