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Do less git metadata rescans on FS events (#24034)

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A preparation for collaborative commit message editing.

Before, almost any `.git`-contained file FS update, except
`.git/fsmonitor--daemon/cookies/**` caused git metadata rescan.
This included `index.lock` that was created after any git operation,
e.g. `git status`, which was unnecessary.
Collaborative editing aims to share `.git/COMMIT_EDITMSG` between
multiple users, so there are potentially multiple users editing the file
and causing excessive events.

The change makes worktree to ignore .git/COMMIT_EDITMSG`,
`.git/index.lock` and `.git/fsmonitor--daemon/**` paths and adjusts the
logic to be more extensible: there's much more files Zed can ignore and
still have its git metadata up to date.

Release Notes:

- N/A
This commit is contained in:
Kirill Bulatov 2025-01-31 22:17:57 +02:00 • committed by GitHub
parent 0c94bdc8e4
commit e42b6e6905
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3 changed files with 27 additions and 30 deletions
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6
crates/git/src/git.rs
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@ -20,10 +20,12 @@ pub use git2 as libgit;
pub use repository::WORK_DIRECTORY_REPO_PATH;
pub static DOT_GIT: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new(".git"));
pub static COOKIES: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new("cookies"));
pub static GITIGNORE: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new(".gitignore"));
pub static FSMONITOR_DAEMON: LazyLock<&'static OsStr> =
LazyLock::new(|| OsStr::new("fsmonitor--daemon"));
pub static GITIGNORE: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new(".gitignore"));
pub static COMMIT_MESSAGE: LazyLock<&'static OsStr> =
LazyLock::new(|| OsStr::new("COMMIT_EDITMSG"));
pub static INDEX_LOCK: LazyLock<&'static OsStr> = LazyLock::new(|| OsStr::new("index.lock"));
actions!(
git,