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Fix panic when a file in a path-based multibuffer excerpt is renamed (#28364)

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Closes #ISSUE

Release Notes:

- Fixed a panic that could occur when paths changed in the project diff.

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
This commit is contained in:
Cole Miller 2025-04-08 18:01:40 -04:00 • committed by GitHub
parent 246013cfc2
commit 0459b1d303
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GPG key ID: B5690EEEBB952194
3 changed files with 105 additions and 20 deletions
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42
crates/multi_buffer/src/multi_buffer.rs
View file

@ -1718,21 +1718,25 @@ impl MultiBuffer {
(None, None) => break,
(None, Some(_)) => {
let existing_id = existing_iter.next().unwrap();
let locator = snapshot.excerpt_locator_for_id(existing_id);
let existing_excerpt = excerpts_cursor.item().unwrap();
excerpts_cursor.seek_forward(&Some(locator), Bias::Left, &());
let existing_end = existing_excerpt
.range
.context
.end
.to_point(&buffer_snapshot);
if let Some((new_id, last)) = to_insert.last() {
if existing_end <= last.context.end {
self.snapshot
.borrow_mut()
.replaced_excerpts
.insert(existing_id, *new_id);
}
let locator = snapshot.excerpt_locator_for_id(existing_id);
excerpts_cursor.seek_forward(&Some(locator), Bias::Left, &());
if let Some(existing_excerpt) = excerpts_cursor
.item()
.filter(|e| e.buffer_id == buffer_snapshot.remote_id())
{
let existing_end = existing_excerpt
.range
.context
.end
.to_point(&buffer_snapshot);
if existing_end <= last.context.end {
self.snapshot
.borrow_mut()
.replaced_excerpts
.insert(existing_id, *new_id);
}
};
}
to_remove.push(existing_id);
continue;
@ -1745,16 +1749,14 @@ impl MultiBuffer {
};
let locator = snapshot.excerpt_locator_for_id(*existing);
excerpts_cursor.seek_forward(&Some(locator), Bias::Left, &());
let Some(existing_excerpt) = excerpts_cursor.item() else {
let Some(existing_excerpt) = excerpts_cursor
.item()
.filter(|e| e.buffer_id == buffer_snapshot.remote_id())
else {
to_remove.push(existing_iter.next().unwrap());
to_insert.push((next_excerpt_id(), new_iter.next().unwrap()));
continue;
};
if existing_excerpt.buffer_id != buffer_snapshot.remote_id() {
to_remove.push(existing_iter.next().unwrap());
to_insert.push((next_excerpt_id(), new_iter.next().unwrap()));
continue;
}
let existing_start = existing_excerpt
.range