Yehowshua/ZIm
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Allow viewing past commits in Zed (#27636)

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This PR adds functionality for loading the diff for an arbitrary git
commit, and displaying it in a tab. To retrieve the diff for the commit,
I'm using a single `git cat-file --batch` invocation to efficiently load
both the old and new versions of each file that was changed in the
commit.

Todo

* Features
* [x] Open the commit view when clicking the most recent commit message
in the commit panel
  * [x] Open the commit view when clicking a SHA in a git blame column
  * [x] Open the commit view when clicking a SHA in a commit tooltip
  * [x] Make it work over RPC
  * [x] Allow buffer search in commit view
* [x] Command palette action to open the commit for the current blame
line
* Styling
* [x] Add a header that shows the author, timestamp, and the full commit
message
  * [x] Remove stage/unstage buttons in commit view
  * [x] Truncate the commit message in the tab
* Bugs
  * [x] Dedup commit tabs within a pane
  * [x] Add a tooltip to the tab

Release Notes:

- Added the ability to show past commits in Zed. You can view the most
recent commit by clicking its message in the commit panel. And when
viewing a git blame, you can show any commit by clicking its sha.
This commit is contained in:
Max Brunsfeld 2025-03-31 16:26:47 -07:00 • committed by GitHub
parent 33912011b7
commit 8546dc101d
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GPG key ID: B5690EEEBB952194
28 changed files with 1742 additions and 603 deletions
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4
crates/editor/src/proposed_changes_editor.rs
View file

@ -109,7 +109,7 @@ impl ProposedChangesEditor {
let diff =
this.multibuffer.read(cx).diff_for(buffer.remote_id())?;
Some(diff.update(cx, |diff, cx| {
diff.set_base_text(base_buffer.clone(), buffer, cx)
diff.set_base_text_buffer(base_buffer.clone(), buffer, cx)
}))
})
.collect::<Vec<_>>()
@ -185,7 +185,7 @@ impl ProposedChangesEditor {
branch_buffer = location.buffer.update(cx, |buffer, cx| buffer.branch(cx));
new_diffs.push(cx.new(|cx| {
let mut diff = BufferDiff::new(&branch_buffer.read(cx).snapshot(), cx);
let _ = diff.set_base_text(
let _ = diff.set_base_text_buffer(
location.buffer.clone(),
branch_buffer.read(cx).text_snapshot(),
cx,