1use anyhow::{Context as _, Result};
2use buffer_diff::BufferDiff;
3use collections::HashMap;
4use editor::display_map::{BlockPlacement, BlockProperties, BlockStyle};
5use editor::{Addon, Editor, EditorEvent, ExcerptRange, MultiBuffer, multibuffer_context_lines};
6use git::repository::{CommitDetails, CommitDiff, RepoPath, is_binary_content};
7use git::status::{FileStatus, StatusCode, TrackedStatus};
8use git::{
9 BuildCommitPermalinkParams, GitHostingProviderRegistry, GitRemote, ParsedGitRemote,
10 parse_git_remote_url,
11};
12use gpui::{
13 AnyElement, App, AppContext as _, AsyncApp, AsyncWindowContext, ClipboardItem, Context, Entity,
14 EventEmitter, FocusHandle, Focusable, InteractiveElement, IntoElement, ParentElement,
15 PromptLevel, Render, Styled, Task, WeakEntity, Window, actions,
16};
17use language::{
18 Anchor, Buffer, Capability, DiskState, File, LanguageRegistry, LineEnding, OffsetRangeExt as _,
19 Point, ReplicaId, Rope, TextBuffer,
20};
21use multi_buffer::PathKey;
22use project::{Project, WorktreeId, git_store::Repository};
23use std::{
24 any::{Any, TypeId},
25 collections::HashSet,
26 path::PathBuf,
27 sync::Arc,
28};
29use theme::ActiveTheme;
30use ui::{DiffStat, Divider, Tooltip, prelude::*};
31use util::{ResultExt, paths::PathStyle, rel_path::RelPath, truncate_and_trailoff};
32use workspace::item::TabTooltipContent;
33use workspace::{
34 Item, ItemHandle, ItemNavHistory, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView,
35 Workspace,
36 item::{ItemEvent, TabContentParams},
37 notifications::NotifyTaskExt,
38 pane::SaveIntent,
39 searchable::SearchableItemHandle,
40};
41
42use crate::commit_tooltip::CommitAvatar;
43use crate::git_panel::GitPanel;
44
45actions!(git, [ApplyCurrentStash, PopCurrentStash, DropCurrentStash,]);
46
47pub fn init(cx: &mut App) {
48 cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
49 workspace.register_action(|workspace, _: &ApplyCurrentStash, window, cx| {
50 CommitView::apply_stash(workspace, window, cx);
51 });
52 workspace.register_action(|workspace, _: &DropCurrentStash, window, cx| {
53 CommitView::remove_stash(workspace, window, cx);
54 });
55 workspace.register_action(|workspace, _: &PopCurrentStash, window, cx| {
56 CommitView::pop_stash(workspace, window, cx);
57 });
58 })
59 .detach();
60}
61
62pub struct CommitView {
63 commit: CommitDetails,
64 editor: Entity<Editor>,
65 stash: Option<usize>,
66 multibuffer: Entity<MultiBuffer>,
67 repository: Entity<Repository>,
68 remote: Option<GitRemote>,
69}
70
71struct GitBlob {
72 path: RepoPath,
73 worktree_id: WorktreeId,
74 is_deleted: bool,
75 is_binary: bool,
76 display_name: String,
77}
78
79struct CommitDiffAddon {
80 file_statuses: HashMap<language::BufferId, FileStatus>,
81}
82
83impl Addon for CommitDiffAddon {
84 fn to_any(&self) -> &dyn std::any::Any {
85 self
86 }
87
88 fn override_status_for_buffer_id(
89 &self,
90 buffer_id: language::BufferId,
91 _cx: &App,
92 ) -> Option<FileStatus> {
93 self.file_statuses.get(&buffer_id).copied()
94 }
95}
96
97const COMMIT_MESSAGE_SORT_PREFIX: u64 = 0;
98const FILE_NAMESPACE_SORT_PREFIX: u64 = 1;
99
100impl CommitView {
101 pub fn open(
102 commit_sha: String,
103 repo: WeakEntity<Repository>,
104 workspace: WeakEntity<Workspace>,
105 stash: Option<usize>,
106 file_filter: Option<RepoPath>,
107 window: &mut Window,
108 cx: &mut App,
109 ) {
110 let commit_diff = repo
111 .update(cx, |repo, _| repo.load_commit_diff(commit_sha.clone()))
112 .ok();
113 let commit_details = repo
114 .update(cx, |repo, _| repo.show(commit_sha.clone()))
115 .ok();
116
117 window
118 .spawn(cx, async move |cx| {
119 let (commit_diff, commit_details) = futures::join!(commit_diff?, commit_details?);
120 let mut commit_diff = commit_diff.log_err()?.log_err()?;
121 let commit_details = commit_details.log_err()?.log_err()?;
122
123 // Filter to specific file if requested
124 if let Some(ref filter_path) = file_filter {
125 commit_diff.files.retain(|f| &f.path == filter_path);
126 }
127
128 let repo = repo.upgrade()?;
129
130 workspace
131 .update_in(cx, |workspace, window, cx| {
132 let project = workspace.project();
133 let commit_view = cx.new(|cx| {
134 CommitView::new(
135 commit_details,
136 commit_diff,
137 repo,
138 project.clone(),
139 stash,
140 window,
141 cx,
142 )
143 });
144
145 let pane = workspace.active_pane();
146 pane.update(cx, |pane, cx| {
147 let ix = pane.items().position(|item| {
148 let commit_view = item.downcast::<CommitView>();
149 commit_view
150 .is_some_and(|view| view.read(cx).commit.sha == commit_sha)
151 });
152 if let Some(ix) = ix {
153 pane.activate_item(ix, true, true, window, cx);
154 } else {
155 pane.add_item(Box::new(commit_view), true, true, None, window, cx);
156 }
157 })
158 })
159 .log_err()
160 })
161 .detach();
162 }
163
164 fn new(
165 commit: CommitDetails,
166 commit_diff: CommitDiff,
167 repository: Entity<Repository>,
168 project: Entity<Project>,
169 stash: Option<usize>,
170 window: &mut Window,
171 cx: &mut Context<Self>,
172 ) -> Self {
173 let language_registry = project.read(cx).languages().clone();
174 let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadOnly));
175
176 let message_buffer = cx.new(|cx| {
177 let mut buffer = Buffer::local(commit.message.clone(), cx);
178 buffer.set_capability(Capability::ReadOnly, cx);
179 buffer
180 });
181
182 multibuffer.update(cx, |multibuffer, cx| {
183 let snapshot = message_buffer.read(cx).snapshot();
184 let full_range = Point::zero()..snapshot.max_point();
185 let range = ExcerptRange {
186 context: full_range.clone(),
187 primary: full_range,
188 };
189 multibuffer.set_excerpt_ranges_for_path(
190 PathKey::with_sort_prefix(
191 COMMIT_MESSAGE_SORT_PREFIX,
192 RelPath::unix("commit message").unwrap().into(),
193 ),
194 message_buffer.clone(),
195 &snapshot,
196 vec![range],
197 cx,
198 )
199 });
200
201 let editor = cx.new(|cx| {
202 let mut editor =
203 Editor::for_multibuffer(multibuffer.clone(), Some(project.clone()), window, cx);
204
205 editor.disable_inline_diagnostics();
206 editor.set_show_breakpoints(false, cx);
207 editor.set_show_diff_review_button(true, cx);
208 editor.set_expand_all_diff_hunks(cx);
209 editor.disable_header_for_buffer(message_buffer.read(cx).remote_id(), cx);
210 editor.disable_indent_guides_for_buffer(message_buffer.read(cx).remote_id(), cx);
211
212 editor.insert_blocks(
213 [BlockProperties {
214 placement: BlockPlacement::Above(editor::Anchor::min()),
215 height: Some(1),
216 style: BlockStyle::Sticky,
217 render: Arc::new(|_| gpui::Empty.into_any_element()),
218 priority: 0,
219 }]
220 .into_iter()
221 .chain(
222 editor
223 .buffer()
224 .read(cx)
225 .buffer_anchor_to_anchor(&message_buffer, Anchor::MAX, cx)
226 .map(|anchor| BlockProperties {
227 placement: BlockPlacement::Below(anchor),
228 height: Some(1),
229 style: BlockStyle::Sticky,
230 render: Arc::new(|_| gpui::Empty.into_any_element()),
231 priority: 0,
232 }),
233 ),
234 None,
235 cx,
236 );
237
238 editor
239 });
240
241 let commit_sha = Arc::<str>::from(commit.sha.as_ref());
242
243 let first_worktree_id = project
244 .read(cx)
245 .worktrees(cx)
246 .next()
247 .map(|worktree| worktree.read(cx).id());
248
249 let repository_clone = repository.clone();
250
251 cx.spawn(async move |this, cx| {
252 let mut binary_buffer_ids: HashSet<language::BufferId> = HashSet::default();
253 let mut file_statuses: HashMap<language::BufferId, FileStatus> = HashMap::default();
254
255 for file in commit_diff.files {
256 let is_created = file.old_text.is_none();
257 let is_deleted = file.new_text.is_none();
258 let raw_new_text = file.new_text.unwrap_or_default();
259 let raw_old_text = file.old_text;
260
261 let is_binary = file.is_binary
262 || is_binary_content(raw_new_text.as_bytes())
263 || raw_old_text
264 .as_ref()
265 .is_some_and(|text| is_binary_content(text.as_bytes()));
266
267 let new_text = if is_binary {
268 "(binary file not shown)".to_string()
269 } else {
270 raw_new_text
271 };
272 let old_text = if is_binary { None } else { raw_old_text };
273 let worktree_id = repository_clone
274 .update(cx, |repository, cx| {
275 repository
276 .repo_path_to_project_path(&file.path, cx)
277 .map(|path| path.worktree_id)
278 .or(first_worktree_id)
279 })
280 .context("project has no worktrees")?;
281 let short_sha = commit_sha.get(0..7).unwrap_or(&commit_sha);
282 let file_name = file
283 .path
284 .file_name()
285 .map(|name| name.to_string())
286 .unwrap_or_else(|| file.path.display(PathStyle::local()).to_string());
287 let display_name = format!("{short_sha} - {file_name}");
288
289 let file = Arc::new(GitBlob {
290 path: file.path.clone(),
291 is_deleted,
292 is_binary,
293 worktree_id,
294 display_name,
295 }) as Arc<dyn language::File>;
296
297 let buffer = build_buffer(new_text, file, &language_registry, cx).await?;
298 let buffer_id = cx.update(|cx| buffer.read(cx).remote_id());
299
300 let status_code = if is_created {
301 StatusCode::Added
302 } else if is_deleted {
303 StatusCode::Deleted
304 } else {
305 StatusCode::Modified
306 };
307 file_statuses.insert(
308 buffer_id,
309 FileStatus::Tracked(TrackedStatus {
310 index_status: status_code,
311 worktree_status: StatusCode::Unmodified,
312 }),
313 );
314
315 if is_binary {
316 binary_buffer_ids.insert(buffer_id);
317 }
318
319 let buffer_diff = if is_binary {
320 None
321 } else {
322 Some(build_buffer_diff(old_text, &buffer, &language_registry, cx).await?)
323 };
324
325 this.update(cx, |this, cx| {
326 this.multibuffer.update(cx, |multibuffer, cx| {
327 let snapshot = buffer.read(cx).snapshot();
328 let path = snapshot.file().unwrap().path().clone();
329 let excerpt_ranges = if is_binary {
330 vec![language::Point::zero()..snapshot.max_point()]
331 } else if let Some(buffer_diff) = &buffer_diff {
332 let diff_snapshot = buffer_diff.read(cx).snapshot(cx);
333 let mut hunks = diff_snapshot.hunks(&snapshot).peekable();
334 if hunks.peek().is_none() {
335 vec![language::Point::zero()..snapshot.max_point()]
336 } else {
337 hunks
338 .map(|hunk| hunk.buffer_range.to_point(&snapshot))
339 .collect::<Vec<_>>()
340 }
341 } else {
342 vec![language::Point::zero()..snapshot.max_point()]
343 };
344
345 let _is_newly_added = multibuffer.set_excerpts_for_path(
346 PathKey::with_sort_prefix(FILE_NAMESPACE_SORT_PREFIX, path),
347 buffer,
348 excerpt_ranges,
349 multibuffer_context_lines(cx),
350 cx,
351 );
352 if let Some(buffer_diff) = buffer_diff {
353 multibuffer.add_diff(buffer_diff, cx);
354 }
355 });
356 })?;
357 }
358
359 this.update(cx, |this, cx| {
360 this.editor.update(cx, |editor, _cx| {
361 editor.register_addon(CommitDiffAddon { file_statuses });
362 });
363 if !binary_buffer_ids.is_empty() {
364 this.editor.update(cx, |editor, cx| {
365 editor.fold_buffers(binary_buffer_ids, cx);
366 });
367 }
368 })?;
369
370 anyhow::Ok(())
371 })
372 .detach();
373
374 let snapshot = repository.read(cx).snapshot();
375 let remote_url = snapshot
376 .remote_upstream_url
377 .as_ref()
378 .or(snapshot.remote_origin_url.as_ref());
379
380 let remote = remote_url.and_then(|url| {
381 let provider_registry = GitHostingProviderRegistry::default_global(cx);
382 parse_git_remote_url(provider_registry, url).map(|(host, parsed)| GitRemote {
383 host,
384 owner: parsed.owner.into(),
385 repo: parsed.repo.into(),
386 })
387 });
388
389 Self {
390 commit,
391 editor,
392 multibuffer,
393 stash,
394 repository,
395 remote,
396 }
397 }
398
399 fn render_commit_avatar(
400 &self,
401 sha: &SharedString,
402 size: impl Into<gpui::AbsoluteLength>,
403 window: &mut Window,
404 cx: &mut App,
405 ) -> AnyElement {
406 CommitAvatar::new(
407 sha,
408 Some(self.commit.author_email.clone()),
409 self.remote.as_ref(),
410 )
411 .size(size)
412 .render(window, cx)
413 }
414
415 fn calculate_changed_lines(&self, cx: &App) -> (u32, u32) {
416 self.multibuffer.read(cx).snapshot(cx).total_changed_lines()
417 }
418
419 fn render_header(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
420 let commit = &self.commit;
421 let author_name = commit.author_name.clone();
422 let author_email = commit.author_email.clone();
423 let commit_sha = commit.sha.clone();
424 let commit_date = time::OffsetDateTime::from_unix_timestamp(commit.commit_timestamp)
425 .unwrap_or_else(|_| time::OffsetDateTime::now_utc());
426 let local_offset = time::UtcOffset::current_local_offset().unwrap_or(time::UtcOffset::UTC);
427 let date_string = time_format::format_localized_timestamp(
428 commit_date,
429 time::OffsetDateTime::now_utc(),
430 local_offset,
431 time_format::TimestampFormat::MediumAbsolute,
432 );
433
434 let gutter_width = self.editor.update(cx, |editor, cx| {
435 let snapshot = editor.snapshot(window, cx);
436 let style = editor.style(cx);
437 let font_id = window.text_system().resolve_font(&style.text.font());
438 let font_size = style.text.font_size.to_pixels(window.rem_size());
439 snapshot
440 .gutter_dimensions(font_id, font_size, style, window, cx)
441 .full_width()
442 });
443
444 let clipboard_has_sha = cx
445 .read_from_clipboard()
446 .and_then(|entry| entry.text())
447 .map_or(false, |clipboard_text| {
448 clipboard_text.trim() == commit_sha.as_ref()
449 });
450
451 let (copy_icon, copy_icon_color) = if clipboard_has_sha {
452 (IconName::Check, Color::Success)
453 } else {
454 (IconName::Copy, Color::Muted)
455 };
456
457 h_flex()
458 .py_2()
459 .pr_2p5()
460 .w_full()
461 .justify_between()
462 .border_b_1()
463 .border_color(cx.theme().colors().border_variant)
464 .child(
465 h_flex()
466 .child(h_flex().w(gutter_width).justify_center().child(
467 self.render_commit_avatar(&commit.sha, rems_from_px(40.), window, cx),
468 ))
469 .child(
470 v_flex().child(Label::new(author_name)).child(
471 h_flex()
472 .gap_1p5()
473 .child(
474 Label::new(date_string)
475 .color(Color::Muted)
476 .size(LabelSize::Small),
477 )
478 .child(
479 Label::new("•")
480 .size(LabelSize::Small)
481 .color(Color::Muted)
482 .alpha(0.5),
483 )
484 .child(
485 Label::new(author_email)
486 .color(Color::Muted)
487 .size(LabelSize::Small),
488 ),
489 ),
490 ),
491 )
492 .when(self.stash.is_none(), |this| {
493 this.child(
494 Button::new("sha", "Commit SHA")
495 .start_icon(
496 Icon::new(copy_icon)
497 .size(IconSize::Small)
498 .color(copy_icon_color),
499 )
500 .tooltip({
501 let commit_sha = commit_sha.clone();
502 move |_, cx| {
503 Tooltip::with_meta("Copy Commit SHA", None, commit_sha.clone(), cx)
504 }
505 })
506 .on_click(move |_, _, cx| {
507 cx.stop_propagation();
508 cx.write_to_clipboard(ClipboardItem::new_string(
509 commit_sha.to_string(),
510 ));
511 }),
512 )
513 })
514 }
515
516 fn apply_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
517 Self::stash_action(
518 workspace,
519 "Apply",
520 window,
521 cx,
522 async move |repository, sha, stash, commit_view, workspace, cx| {
523 let result = repository.update(cx, |repo, cx| {
524 if !stash_matches_index(&sha, stash, repo) {
525 return Err(anyhow::anyhow!("Stash has changed, not applying"));
526 }
527 Ok(repo.stash_apply(Some(stash), cx))
528 });
529
530 match result {
531 Ok(task) => task.await?,
532 Err(err) => {
533 Self::close_commit_view(commit_view, workspace, cx).await?;
534 return Err(err);
535 }
536 };
537 Self::close_commit_view(commit_view, workspace, cx).await?;
538 anyhow::Ok(())
539 },
540 );
541 }
542
543 fn pop_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
544 Self::stash_action(
545 workspace,
546 "Pop",
547 window,
548 cx,
549 async move |repository, sha, stash, commit_view, workspace, cx| {
550 let result = repository.update(cx, |repo, cx| {
551 if !stash_matches_index(&sha, stash, repo) {
552 return Err(anyhow::anyhow!("Stash has changed, pop aborted"));
553 }
554 Ok(repo.stash_pop(Some(stash), cx))
555 });
556
557 match result {
558 Ok(task) => task.await?,
559 Err(err) => {
560 Self::close_commit_view(commit_view, workspace, cx).await?;
561 return Err(err);
562 }
563 };
564 Self::close_commit_view(commit_view, workspace, cx).await?;
565 anyhow::Ok(())
566 },
567 );
568 }
569
570 fn remove_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
571 Self::stash_action(
572 workspace,
573 "Drop",
574 window,
575 cx,
576 async move |repository, sha, stash, commit_view, workspace, cx| {
577 let result = repository.update(cx, |repo, cx| {
578 if !stash_matches_index(&sha, stash, repo) {
579 return Err(anyhow::anyhow!("Stash has changed, drop aborted"));
580 }
581 Ok(repo.stash_drop(Some(stash), cx))
582 });
583
584 match result {
585 Ok(task) => task.await??,
586 Err(err) => {
587 Self::close_commit_view(commit_view, workspace, cx).await?;
588 return Err(err);
589 }
590 };
591 Self::close_commit_view(commit_view, workspace, cx).await?;
592 anyhow::Ok(())
593 },
594 );
595 }
596
597 fn stash_action<AsyncFn>(
598 workspace: &mut Workspace,
599 str_action: &str,
600 window: &mut Window,
601 cx: &mut App,
602 callback: AsyncFn,
603 ) where
604 AsyncFn: AsyncFnOnce(
605 Entity<Repository>,
606 &SharedString,
607 usize,
608 Entity<CommitView>,
609 WeakEntity<Workspace>,
610 &mut AsyncWindowContext,
611 ) -> anyhow::Result<()>
612 + 'static,
613 {
614 let Some(commit_view) = workspace.active_item_as::<CommitView>(cx) else {
615 return;
616 };
617 let Some(stash) = commit_view.read(cx).stash else {
618 return;
619 };
620 let sha = commit_view.read(cx).commit.sha.clone();
621 let answer = window.prompt(
622 PromptLevel::Info,
623 &format!("{} stash@{{{}}}?", str_action, stash),
624 None,
625 &[str_action, "Cancel"],
626 cx,
627 );
628
629 let workspace_weak = workspace.weak_handle();
630 let commit_view_entity = commit_view;
631
632 window
633 .spawn(cx, async move |cx| {
634 if answer.await != Ok(0) {
635 return anyhow::Ok(());
636 }
637
638 let Some(workspace) = workspace_weak.upgrade() else {
639 return Ok(());
640 };
641
642 let repo = workspace.update(cx, |workspace, cx| {
643 workspace
644 .panel::<GitPanel>(cx)
645 .and_then(|p| p.read(cx).active_repository.clone())
646 });
647
648 let Some(repo) = repo else {
649 return Ok(());
650 };
651
652 callback(repo, &sha, stash, commit_view_entity, workspace_weak, cx).await?;
653 anyhow::Ok(())
654 })
655 .detach_and_notify_err(workspace.weak_handle(), window, cx);
656 }
657
658 async fn close_commit_view(
659 commit_view: Entity<CommitView>,
660 workspace: WeakEntity<Workspace>,
661 cx: &mut AsyncWindowContext,
662 ) -> anyhow::Result<()> {
663 workspace
664 .update_in(cx, |workspace, window, cx| {
665 let active_pane = workspace.active_pane();
666 let commit_view_id = commit_view.entity_id();
667 active_pane.update(cx, |pane, cx| {
668 pane.close_item_by_id(commit_view_id, SaveIntent::Skip, window, cx)
669 })
670 })?
671 .await?;
672 anyhow::Ok(())
673 }
674}
675
676impl language::File for GitBlob {
677 fn as_local(&self) -> Option<&dyn language::LocalFile> {
678 None
679 }
680
681 fn disk_state(&self) -> DiskState {
682 DiskState::Historic {
683 was_deleted: self.is_deleted,
684 }
685 }
686
687 fn path_style(&self, _: &App) -> PathStyle {
688 PathStyle::local()
689 }
690
691 fn path(&self) -> &Arc<RelPath> {
692 self.path.as_ref()
693 }
694
695 fn full_path(&self, _: &App) -> PathBuf {
696 self.path.as_std_path().to_path_buf()
697 }
698
699 fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
700 self.display_name.as_ref()
701 }
702
703 fn worktree_id(&self, _: &App) -> WorktreeId {
704 self.worktree_id
705 }
706
707 fn to_proto(&self, _cx: &App) -> language::proto::File {
708 unimplemented!()
709 }
710
711 fn is_private(&self) -> bool {
712 false
713 }
714
715 fn can_open(&self) -> bool {
716 !self.is_binary
717 }
718}
719
720async fn build_buffer(
721 mut text: String,
722 blob: Arc<dyn File>,
723 language_registry: &Arc<language::LanguageRegistry>,
724 cx: &mut AsyncApp,
725) -> Result<Entity<Buffer>> {
726 let line_ending = LineEnding::detect(&text);
727 LineEnding::normalize(&mut text);
728 let text = Rope::from(text);
729 let language = cx.update(|cx| language_registry.language_for_file(&blob, Some(&text), cx));
730 let language = if let Some(language) = language {
731 language_registry
732 .load_language(&language)
733 .await
734 .ok()
735 .and_then(|e| e.log_err())
736 } else {
737 None
738 };
739 let buffer = cx.new(|cx| {
740 let buffer = TextBuffer::new_normalized(
741 ReplicaId::LOCAL,
742 cx.entity_id().as_non_zero_u64().into(),
743 line_ending,
744 text,
745 );
746 let mut buffer = Buffer::build(buffer, Some(blob), Capability::ReadWrite);
747 buffer.set_language_async(language, cx);
748 buffer
749 });
750 Ok(buffer)
751}
752
753async fn build_buffer_diff(
754 mut old_text: Option<String>,
755 buffer: &Entity<Buffer>,
756 language_registry: &Arc<LanguageRegistry>,
757 cx: &mut AsyncApp,
758) -> Result<Entity<BufferDiff>> {
759 if let Some(old_text) = &mut old_text {
760 LineEnding::normalize(old_text);
761 }
762
763 let language = cx.update(|cx| buffer.read(cx).language().cloned());
764 let buffer = cx.update(|cx| buffer.read(cx).snapshot());
765
766 let diff = cx.new(|cx| BufferDiff::new(&buffer.text, cx));
767
768 let update = diff
769 .update(cx, |diff, cx| {
770 diff.update_diff(
771 buffer.text.clone(),
772 old_text.map(|old_text| Arc::from(old_text.as_str())),
773 Some(true),
774 language.clone(),
775 cx,
776 )
777 })
778 .await;
779
780 diff.update(cx, |diff, cx| {
781 diff.language_changed(language, Some(language_registry.clone()), cx);
782 diff.set_snapshot(update, &buffer.text, cx)
783 })
784 .await;
785
786 Ok(diff)
787}
788
789impl EventEmitter<EditorEvent> for CommitView {}
790
791impl Focusable for CommitView {
792 fn focus_handle(&self, cx: &App) -> FocusHandle {
793 self.editor.focus_handle(cx)
794 }
795}
796
797impl Item for CommitView {
798 type Event = EditorEvent;
799
800 fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
801 Some(Icon::new(IconName::GitCommit).color(Color::Muted))
802 }
803
804 fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
805 Label::new(self.tab_content_text(params.detail.unwrap_or_default(), cx))
806 .color(if params.selected {
807 Color::Default
808 } else {
809 Color::Muted
810 })
811 .into_any_element()
812 }
813
814 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
815 let short_sha = self.commit.sha.get(0..7).unwrap_or(&*self.commit.sha);
816 let subject = truncate_and_trailoff(self.commit.message.split('\n').next().unwrap(), 20);
817 format!("{short_sha} — {subject}").into()
818 }
819
820 fn tab_tooltip_content(&self, _: &App) -> Option<TabTooltipContent> {
821 let short_sha = self.commit.sha.get(0..16).unwrap_or(&*self.commit.sha);
822 let subject = self.commit.message.split('\n').next().unwrap();
823
824 Some(TabTooltipContent::Custom(Box::new(Tooltip::element({
825 let subject = subject.to_string();
826 let short_sha = short_sha.to_string();
827
828 move |_, _| {
829 v_flex()
830 .child(Label::new(subject.clone()))
831 .child(
832 Label::new(short_sha.clone())
833 .color(Color::Muted)
834 .size(LabelSize::Small),
835 )
836 .into_any_element()
837 }
838 }))))
839 }
840
841 fn to_item_events(event: &EditorEvent, f: &mut dyn FnMut(ItemEvent)) {
842 Editor::to_item_events(event, f)
843 }
844
845 fn telemetry_event_text(&self) -> Option<&'static str> {
846 Some("Commit View Opened")
847 }
848
849 fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
850 self.editor
851 .update(cx, |editor, cx| editor.deactivated(window, cx));
852 }
853
854 fn act_as_type<'a>(
855 &'a self,
856 type_id: TypeId,
857 self_handle: &'a Entity<Self>,
858 _: &'a App,
859 ) -> Option<gpui::AnyEntity> {
860 if type_id == TypeId::of::<Self>() {
861 Some(self_handle.clone().into())
862 } else if type_id == TypeId::of::<Editor>() {
863 Some(self.editor.clone().into())
864 } else {
865 None
866 }
867 }
868
869 fn as_searchable(&self, _: &Entity<Self>, _: &App) -> Option<Box<dyn SearchableItemHandle>> {
870 Some(Box::new(self.editor.clone()))
871 }
872
873 fn for_each_project_item(
874 &self,
875 cx: &App,
876 f: &mut dyn FnMut(gpui::EntityId, &dyn project::ProjectItem),
877 ) {
878 self.editor.for_each_project_item(cx, f)
879 }
880
881 fn set_nav_history(
882 &mut self,
883 nav_history: ItemNavHistory,
884 _: &mut Window,
885 cx: &mut Context<Self>,
886 ) {
887 self.editor.update(cx, |editor, _| {
888 editor.set_nav_history(Some(nav_history));
889 });
890 }
891
892 fn navigate(
893 &mut self,
894 data: Arc<dyn Any + Send>,
895 window: &mut Window,
896 cx: &mut Context<Self>,
897 ) -> bool {
898 self.editor
899 .update(cx, |editor, cx| editor.navigate(data, window, cx))
900 }
901
902 fn added_to_workspace(
903 &mut self,
904 workspace: &mut Workspace,
905 window: &mut Window,
906 cx: &mut Context<Self>,
907 ) {
908 self.editor.update(cx, |editor, cx| {
909 editor.added_to_workspace(workspace, window, cx)
910 });
911 }
912
913 fn can_split(&self) -> bool {
914 true
915 }
916
917 fn clone_on_split(
918 &self,
919 _workspace_id: Option<workspace::WorkspaceId>,
920 window: &mut Window,
921 cx: &mut Context<Self>,
922 ) -> Task<Option<Entity<Self>>>
923 where
924 Self: Sized,
925 {
926 let file_statuses = self
927 .editor
928 .read(cx)
929 .addon::<CommitDiffAddon>()
930 .map(|addon| addon.file_statuses.clone())
931 .unwrap_or_default();
932 Task::ready(Some(cx.new(|cx| {
933 let editor = cx.new({
934 let file_statuses = file_statuses.clone();
935 |cx| {
936 let mut editor = self
937 .editor
938 .update(cx, |editor, cx| editor.clone(window, cx));
939 editor.register_addon(CommitDiffAddon { file_statuses });
940 editor
941 }
942 });
943 let multibuffer = editor.read(cx).buffer().clone();
944 Self {
945 editor,
946 multibuffer,
947 commit: self.commit.clone(),
948 stash: self.stash,
949 repository: self.repository.clone(),
950 remote: self.remote.clone(),
951 }
952 })))
953 }
954}
955
956impl Render for CommitView {
957 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
958 let is_stash = self.stash.is_some();
959
960 v_flex()
961 .key_context(if is_stash { "StashDiff" } else { "CommitDiff" })
962 .size_full()
963 .bg(cx.theme().colors().editor_background)
964 .child(self.render_header(window, cx))
965 .when(!self.editor.read(cx).is_empty(cx), |this| {
966 this.child(div().flex_grow().child(self.editor.clone()))
967 })
968 }
969}
970
971pub struct CommitViewToolbar {
972 commit_view: Option<WeakEntity<CommitView>>,
973}
974
975impl CommitViewToolbar {
976 pub fn new() -> Self {
977 Self { commit_view: None }
978 }
979}
980
981impl EventEmitter<ToolbarItemEvent> for CommitViewToolbar {}
982
983impl Render for CommitViewToolbar {
984 fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
985 let Some(commit_view) = self.commit_view.as_ref().and_then(|w| w.upgrade()) else {
986 return div();
987 };
988
989 let commit_view_ref = commit_view.read(cx);
990 let is_stash = commit_view_ref.stash.is_some();
991
992 let (additions, deletions) = commit_view_ref.calculate_changed_lines(cx);
993
994 let commit_sha = commit_view_ref.commit.sha.clone();
995
996 let remote_info = commit_view_ref.remote.as_ref().map(|remote| {
997 let provider = remote.host.name();
998 let parsed_remote = ParsedGitRemote {
999 owner: remote.owner.as_ref().into(),
1000 repo: remote.repo.as_ref().into(),
1001 };
1002 let params = BuildCommitPermalinkParams { sha: &commit_sha };
1003 let url = remote
1004 .host
1005 .build_commit_permalink(&parsed_remote, params)
1006 .to_string();
1007 (provider, url)
1008 });
1009
1010 let sha_for_graph = commit_sha.to_string();
1011
1012 h_flex()
1013 .gap_1()
1014 .when(additions > 0 || deletions > 0, |this| {
1015 this.child(
1016 h_flex()
1017 .gap_2()
1018 .child(DiffStat::new(
1019 "toolbar-diff-stat",
1020 additions as usize,
1021 deletions as usize,
1022 ))
1023 .child(Divider::vertical()),
1024 )
1025 })
1026 .child(
1027 IconButton::new("buffer-search", IconName::MagnifyingGlass)
1028 .icon_size(IconSize::Small)
1029 .tooltip(move |_, cx| {
1030 Tooltip::for_action(
1031 "Buffer Search",
1032 &zed_actions::buffer_search::Deploy::find(),
1033 cx,
1034 )
1035 })
1036 .on_click(|_, window, cx| {
1037 window.dispatch_action(
1038 Box::new(zed_actions::buffer_search::Deploy::find()),
1039 cx,
1040 );
1041 }),
1042 )
1043 .when(!is_stash, |this| {
1044 this.child(
1045 IconButton::new("show-in-git-graph", IconName::GitGraph)
1046 .icon_size(IconSize::Small)
1047 .tooltip(Tooltip::text("Show in Git Graph"))
1048 .on_click(move |_, window, cx| {
1049 window.dispatch_action(
1050 Box::new(crate::git_panel::OpenAtCommit {
1051 sha: sha_for_graph.clone(),
1052 }),
1053 cx,
1054 );
1055 }),
1056 )
1057 .children(remote_info.map(|(provider_name, url)| {
1058 let icon = match provider_name.as_str() {
1059 "GitHub" => IconName::Github,
1060 _ => IconName::Link,
1061 };
1062
1063 IconButton::new("view_on_provider", icon)
1064 .icon_size(IconSize::Small)
1065 .tooltip(Tooltip::text(format!("View on {}", provider_name)))
1066 .on_click(move |_, _, cx| cx.open_url(&url))
1067 }))
1068 })
1069 }
1070}
1071
1072impl ToolbarItemView for CommitViewToolbar {
1073 fn set_active_pane_item(
1074 &mut self,
1075 active_pane_item: Option<&dyn ItemHandle>,
1076 _: &mut Window,
1077 cx: &mut Context<Self>,
1078 ) -> ToolbarItemLocation {
1079 if let Some(entity) = active_pane_item.and_then(|i| i.act_as::<CommitView>(cx)) {
1080 self.commit_view = Some(entity.downgrade());
1081 return ToolbarItemLocation::PrimaryRight;
1082 }
1083 self.commit_view = None;
1084 ToolbarItemLocation::Hidden
1085 }
1086
1087 fn pane_focus_update(
1088 &mut self,
1089 _pane_focused: bool,
1090 _window: &mut Window,
1091 _cx: &mut Context<Self>,
1092 ) {
1093 }
1094}
1095
1096fn stash_matches_index(sha: &str, stash_index: usize, repo: &Repository) -> bool {
1097 repo.stash_entries
1098 .entries
1099 .get(stash_index)
1100 .map(|entry| entry.oid.to_string() == sha)
1101 .unwrap_or(false)
1102}