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Revert "Revert "language: Remove buffer fingerprinting (#9007)"" (#9671)

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This reverts commit caed275fbf.

NOTE: this should not be merged until #9668 is on stable and the
`ZedVersion#can_collaborate` is updated to exclude all clients without
that change.

Release Notes:

- N/A

---------

Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>
This commit is contained in:
Conrad Irwin 2024-04-12 10:40:35 -06:00 • committed by GitHub
parent a4d6c5da7c
commit dffddaec4c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
13 changed files with 22 additions and 112 deletions
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37
crates/language/src/buffer.rs
View file

@ -45,9 +45,9 @@ use text::operation_queue::OperationQueue;
use text::*;
pub use text::{
Anchor, Bias, Buffer as TextBuffer, BufferId, BufferSnapshot as TextBufferSnapshot, Edit,
OffsetRangeExt, OffsetUtf16, Patch, Point, PointUtf16, Rope, RopeFingerprint, Selection,
SelectionGoal, Subscription, TextDimension, TextSummary, ToOffset, ToOffsetUtf16, ToPoint,
ToPointUtf16, Transaction, TransactionId, Unclipped,
OffsetRangeExt, OffsetUtf16, Patch, Point, PointUtf16, Rope, Selection, SelectionGoal,
Subscription, TextDimension, TextSummary, ToOffset, ToOffsetUtf16, ToPoint, ToPointUtf16,
Transaction, TransactionId, Unclipped,
};
use theme::SyntaxTheme;
#[cfg(any(test, feature = "test-support"))]
@ -87,8 +87,6 @@ pub struct Buffer {
/// The version vector when this buffer was last loaded from
/// or saved to disk.
saved_version: clock::Global,
/// A hash of the current contents of the buffer's file.
file_fingerprint: RopeFingerprint,
transaction_depth: usize,
was_dirty_before_starting_transaction: Option<bool>,
reload_task: Option<Task<Result<()>>>,
@ -379,7 +377,6 @@ pub trait LocalFile: File {
&self,
buffer_id: BufferId,
version: &clock::Global,
fingerprint: RopeFingerprint,
line_ending: LineEnding,
mtime: Option<SystemTime>,
cx: &mut AppContext,
@ -562,7 +559,6 @@ impl Buffer {
diff_base: self.diff_base.as_ref().map(|h| h.to_string()),
line_ending: proto::serialize_line_ending(self.line_ending()) as i32,
saved_version: proto::serialize_version(&self.saved_version),
saved_version_fingerprint: proto::serialize_fingerprint(self.file_fingerprint),
saved_mtime: self.saved_mtime.map(|time| time.into()),
}
}
@ -642,7 +638,6 @@ impl Buffer {
Self {
saved_mtime,
saved_version: buffer.version(),
file_fingerprint: buffer.as_rope().fingerprint(),
reload_task: None,
transaction_depth: 0,
was_dirty_before_starting_transaction: None,
@ -717,11 +712,6 @@ impl Buffer {
&self.saved_version
}
/// The fingerprint of the buffer's text when the buffer was last saved or reloaded from disk.
pub fn saved_version_fingerprint(&self) -> RopeFingerprint {
self.file_fingerprint
}
/// The mtime of the buffer's file when the buffer was last saved or reloaded from disk.
pub fn saved_mtime(&self) -> Option<SystemTime> {
self.saved_mtime
@ -754,13 +744,11 @@ impl Buffer {
pub fn did_save(
&mut self,
version: clock::Global,
fingerprint: RopeFingerprint,
mtime: Option<SystemTime>,
cx: &mut ModelContext<Self>,
) {
self.saved_version = version;
self.has_conflict = false;
self.file_fingerprint = fingerprint;
self.saved_mtime = mtime;
cx.emit(Event::Saved);
cx.notify();
@ -792,13 +780,7 @@ impl Buffer {
this.apply_diff(diff, cx);
tx.send(this.finalize_last_transaction().cloned()).ok();
this.has_conflict = false;
this.did_reload(
this.version(),
this.as_rope().fingerprint(),
this.line_ending(),
new_mtime,
cx,
);
this.did_reload(this.version(), this.line_ending(), new_mtime, cx);
} else {
if !diff.edits.is_empty()
|| this
@ -809,13 +791,7 @@ impl Buffer {
this.has_conflict = true;
}
this.did_reload(
prev_version,
Rope::text_fingerprint(&new_text),
this.line_ending(),
this.saved_mtime,
cx,
);
this.did_reload(prev_version, this.line_ending(), this.saved_mtime, cx);
}
this.reload_task.take();
@ -828,20 +804,17 @@ impl Buffer {
pub fn did_reload(
&mut self,
version: clock::Global,
fingerprint: RopeFingerprint,
line_ending: LineEnding,
mtime: Option<SystemTime>,
cx: &mut ModelContext<Self>,
) {
self.saved_version = version;
self.file_fingerprint = fingerprint;
self.text.set_line_ending(line_ending);
self.saved_mtime = mtime;
if let Some(file) = self.file.as_ref().and_then(|f| f.as_local()) {
file.buffer_reloaded(
self.remote_id(),
&self.saved_version,
self.file_fingerprint,
self.line_ending(),
self.saved_mtime,
cx,