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Add command for resetting diff hunks (#5736)

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Pascal Kuthe 2023-03-08 02:49:14 +01:00 • committed by GitHub
parent 8c2e447b16
commit 48b6aa9a69
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8 changed files with 140 additions and 37 deletions
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15
helix-vcs/src/diff/worker.rs
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@ -10,7 +10,7 @@ use tokio::sync::Notify;
use tokio::time::{timeout, timeout_at, Duration};
use crate::diff::{
Event, RenderLock, ALGORITHM, DIFF_DEBOUNCE_TIME_ASYNC, DIFF_DEBOUNCE_TIME_SYNC,
DiffInner, Event, RenderLock, ALGORITHM, DIFF_DEBOUNCE_TIME_ASYNC, DIFF_DEBOUNCE_TIME_SYNC,
};
use super::line_cache::InternedRopeLines;
@ -21,7 +21,7 @@ mod test;
pub(super) struct DiffWorker {
pub channel: UnboundedReceiver<Event>,
pub hunks: Arc<Mutex<Vec<Hunk>>>,
pub diff: Arc<Mutex<DiffInner>>,
pub new_hunks: Vec<Hunk>,
pub redraw_notify: Arc<Notify>,
pub diff_finished_notify: Arc<Notify>,
@ -46,7 +46,7 @@ impl DiffWorker {
if let Some(lines) = interner.interned_lines() {
self.perform_diff(lines);
}
self.apply_hunks();
self.apply_hunks(interner.diff_base(), interner.doc());
while let Some(event) = self.channel.recv().await {
let (doc, diff_base) = self.accumulate_events(event).await;
@ -70,15 +70,18 @@ impl DiffWorker {
#[cfg(not(test))]
tokio::task::block_in_place(process_accumulated_events);
self.apply_hunks();
self.apply_hunks(interner.diff_base(), interner.doc());
}
}
/// update the hunks (used by the gutter) by replacing it with `self.new_hunks`.
/// `self.new_hunks` is always empty after this function runs.
/// To improve performance this function tries to reuse the allocation of the old diff previously stored in `self.line_diffs`
fn apply_hunks(&mut self) {
swap(&mut *self.hunks.lock(), &mut self.new_hunks);
fn apply_hunks(&mut self, diff_base: Rope, doc: Rope) {
let mut diff = self.diff.lock();
diff.diff_base = diff_base;
diff.doc = doc;
swap(&mut diff.hunks, &mut self.new_hunks);
self.diff_finished_notify.notify_waiters();
self.new_hunks.clear();
}