1use anyhow::{Context as _, Result};
2use buffer_diff::{BufferDiff, BufferDiffSnapshot};
3use editor::display_map::{BlockPlacement, BlockProperties, BlockStyle};
4use editor::{Editor, EditorEvent, ExcerptRange, MultiBuffer, multibuffer_context_lines};
5use git::repository::{CommitDetails, CommitDiff, RepoPath};
6use git::{
7 BuildCommitPermalinkParams, GitHostingProviderRegistry, GitRemote, ParsedGitRemote,
8 parse_git_remote_url,
9};
10use gpui::{
11 AnyElement, App, AppContext as _, AsyncApp, AsyncWindowContext, Context, Element, Entity,
12 EventEmitter, FocusHandle, Focusable, InteractiveElement, IntoElement, ParentElement,
13 PromptLevel, Render, Styled, Task, WeakEntity, Window, actions,
14};
15use language::{
16 Anchor, Buffer, Capability, DiskState, File, LanguageRegistry, LineEnding, OffsetRangeExt as _,
17 Point, ReplicaId, Rope, TextBuffer,
18};
19use multi_buffer::PathKey;
20use project::{Project, WorktreeId, git_store::Repository};
21use std::{
22 any::{Any, TypeId},
23 path::PathBuf,
24 sync::Arc,
25};
26use theme::ActiveTheme;
27use ui::{DiffStat, Tooltip, prelude::*};
28use util::{ResultExt, paths::PathStyle, rel_path::RelPath, truncate_and_trailoff};
29use workspace::item::TabTooltipContent;
30use workspace::{
31 Item, ItemHandle, ItemNavHistory, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView,
32 Workspace,
33 item::{BreadcrumbText, ItemEvent, TabContentParams},
34 notifications::NotifyTaskExt,
35 pane::SaveIntent,
36 searchable::SearchableItemHandle,
37};
38
39use crate::commit_tooltip::CommitAvatar;
40use crate::git_panel::GitPanel;
41
42actions!(git, [ApplyCurrentStash, PopCurrentStash, DropCurrentStash,]);
43
44pub fn init(cx: &mut App) {
45 cx.observe_new(|workspace: &mut Workspace, _window, _cx| {
46 workspace.register_action(|workspace, _: &ApplyCurrentStash, window, cx| {
47 CommitView::apply_stash(workspace, window, cx);
48 });
49 workspace.register_action(|workspace, _: &DropCurrentStash, window, cx| {
50 CommitView::remove_stash(workspace, window, cx);
51 });
52 workspace.register_action(|workspace, _: &PopCurrentStash, window, cx| {
53 CommitView::pop_stash(workspace, window, cx);
54 });
55 })
56 .detach();
57}
58
59pub struct CommitView {
60 commit: CommitDetails,
61 editor: Entity<Editor>,
62 stash: Option<usize>,
63 multibuffer: Entity<MultiBuffer>,
64 repository: Entity<Repository>,
65 remote: Option<GitRemote>,
66}
67
68struct GitBlob {
69 path: RepoPath,
70 worktree_id: WorktreeId,
71 is_deleted: bool,
72 display_name: Arc<str>,
73}
74
75const COMMIT_MESSAGE_SORT_PREFIX: u64 = 0;
76const FILE_NAMESPACE_SORT_PREFIX: u64 = 1;
77
78impl CommitView {
79 pub fn open(
80 commit_sha: String,
81 repo: WeakEntity<Repository>,
82 workspace: WeakEntity<Workspace>,
83 stash: Option<usize>,
84 file_filter: Option<RepoPath>,
85 window: &mut Window,
86 cx: &mut App,
87 ) {
88 let commit_diff = repo
89 .update(cx, |repo, _| repo.load_commit_diff(commit_sha.clone()))
90 .ok();
91 let commit_details = repo
92 .update(cx, |repo, _| repo.show(commit_sha.clone()))
93 .ok();
94
95 window
96 .spawn(cx, async move |cx| {
97 let (commit_diff, commit_details) = futures::join!(commit_diff?, commit_details?);
98 let mut commit_diff = commit_diff.log_err()?.log_err()?;
99 let commit_details = commit_details.log_err()?.log_err()?;
100
101 // Filter to specific file if requested
102 if let Some(ref filter_path) = file_filter {
103 commit_diff.files.retain(|f| &f.path == filter_path);
104 }
105
106 let repo = repo.upgrade()?;
107
108 workspace
109 .update_in(cx, |workspace, window, cx| {
110 let project = workspace.project();
111 let commit_view = cx.new(|cx| {
112 CommitView::new(
113 commit_details,
114 commit_diff,
115 repo,
116 project.clone(),
117 stash,
118 window,
119 cx,
120 )
121 });
122
123 let pane = workspace.active_pane();
124 pane.update(cx, |pane, cx| {
125 let ix = pane.items().position(|item| {
126 let commit_view = item.downcast::<CommitView>();
127 commit_view
128 .is_some_and(|view| view.read(cx).commit.sha == commit_sha)
129 });
130 if let Some(ix) = ix {
131 pane.activate_item(ix, true, true, window, cx);
132 } else {
133 pane.add_item(Box::new(commit_view), true, true, None, window, cx);
134 }
135 })
136 })
137 .log_err()
138 })
139 .detach();
140 }
141
142 fn new(
143 commit: CommitDetails,
144 commit_diff: CommitDiff,
145 repository: Entity<Repository>,
146 project: Entity<Project>,
147 stash: Option<usize>,
148 window: &mut Window,
149 cx: &mut Context<Self>,
150 ) -> Self {
151 let language_registry = project.read(cx).languages().clone();
152 let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadOnly));
153
154 let message_buffer = cx.new(|cx| {
155 let mut buffer = Buffer::local(commit.message.clone(), cx);
156 buffer.set_capability(Capability::ReadOnly, cx);
157 buffer
158 });
159
160 multibuffer.update(cx, |multibuffer, cx| {
161 let snapshot = message_buffer.read(cx).snapshot();
162 let full_range = Point::zero()..snapshot.max_point();
163 let range = ExcerptRange {
164 context: full_range.clone(),
165 primary: full_range,
166 };
167 multibuffer.set_excerpt_ranges_for_path(
168 PathKey::with_sort_prefix(
169 COMMIT_MESSAGE_SORT_PREFIX,
170 RelPath::unix("commit message").unwrap().into(),
171 ),
172 message_buffer.clone(),
173 &snapshot,
174 vec![range],
175 cx,
176 )
177 });
178
179 let editor = cx.new(|cx| {
180 let mut editor =
181 Editor::for_multibuffer(multibuffer.clone(), Some(project.clone()), window, cx);
182
183 editor.disable_inline_diagnostics();
184 editor.set_show_breakpoints(false, cx);
185 editor.set_expand_all_diff_hunks(cx);
186 editor.disable_header_for_buffer(message_buffer.read(cx).remote_id(), cx);
187 editor.disable_indent_guides_for_buffer(message_buffer.read(cx).remote_id(), cx);
188
189 editor.insert_blocks(
190 [BlockProperties {
191 placement: BlockPlacement::Above(editor::Anchor::min()),
192 height: Some(1),
193 style: BlockStyle::Sticky,
194 render: Arc::new(|_| gpui::Empty.into_any_element()),
195 priority: 0,
196 }]
197 .into_iter()
198 .chain(
199 editor
200 .buffer()
201 .read(cx)
202 .buffer_anchor_to_anchor(&message_buffer, Anchor::MAX, cx)
203 .map(|anchor| BlockProperties {
204 placement: BlockPlacement::Below(anchor),
205 height: Some(1),
206 style: BlockStyle::Sticky,
207 render: Arc::new(|_| gpui::Empty.into_any_element()),
208 priority: 0,
209 }),
210 ),
211 None,
212 cx,
213 );
214
215 editor
216 });
217
218 let commit_sha = Arc::<str>::from(commit.sha.as_ref());
219
220 let first_worktree_id = project
221 .read(cx)
222 .worktrees(cx)
223 .next()
224 .map(|worktree| worktree.read(cx).id());
225
226 let repository_clone = repository.clone();
227
228 cx.spawn(async move |this, cx| {
229 for file in commit_diff.files {
230 let is_deleted = file.new_text.is_none();
231 let new_text = file.new_text.unwrap_or_default();
232 let old_text = file.old_text;
233 let worktree_id = repository_clone
234 .update(cx, |repository, cx| {
235 repository
236 .repo_path_to_project_path(&file.path, cx)
237 .map(|path| path.worktree_id)
238 .or(first_worktree_id)
239 })?
240 .context("project has no worktrees")?;
241 let short_sha = commit_sha.get(0..7).unwrap_or(&commit_sha);
242 let file_name = file
243 .path
244 .file_name()
245 .map(|name| name.to_string())
246 .unwrap_or_else(|| file.path.display(PathStyle::Posix).to_string());
247 let display_name: Arc<str> =
248 Arc::from(format!("{short_sha} - {file_name}").into_boxed_str());
249
250 let file = Arc::new(GitBlob {
251 path: file.path.clone(),
252 is_deleted,
253 worktree_id,
254 display_name,
255 }) as Arc<dyn language::File>;
256
257 let buffer = build_buffer(new_text, file, &language_registry, cx).await?;
258 let buffer_diff =
259 build_buffer_diff(old_text, &buffer, &language_registry, cx).await?;
260
261 this.update(cx, |this, cx| {
262 this.multibuffer.update(cx, |multibuffer, cx| {
263 let snapshot = buffer.read(cx).snapshot();
264 let path = snapshot.file().unwrap().path().clone();
265 let excerpt_ranges = {
266 let mut hunks = buffer_diff.read(cx).hunks(&snapshot, cx).peekable();
267 if hunks.peek().is_none() {
268 vec![language::Point::zero()..snapshot.max_point()]
269 } else {
270 hunks
271 .map(|hunk| hunk.buffer_range.to_point(&snapshot))
272 .collect::<Vec<_>>()
273 }
274 };
275
276 let _is_newly_added = multibuffer.set_excerpts_for_path(
277 PathKey::with_sort_prefix(FILE_NAMESPACE_SORT_PREFIX, path),
278 buffer,
279 excerpt_ranges,
280 multibuffer_context_lines(cx),
281 cx,
282 );
283 multibuffer.add_diff(buffer_diff, cx);
284 });
285 })?;
286 }
287
288 anyhow::Ok(())
289 })
290 .detach();
291
292 let snapshot = repository.read(cx).snapshot();
293 let remote_url = snapshot
294 .remote_upstream_url
295 .as_ref()
296 .or(snapshot.remote_origin_url.as_ref());
297
298 let remote = remote_url.and_then(|url| {
299 let provider_registry = GitHostingProviderRegistry::default_global(cx);
300 parse_git_remote_url(provider_registry, url).map(|(host, parsed)| GitRemote {
301 host,
302 owner: parsed.owner.into(),
303 repo: parsed.repo.into(),
304 })
305 });
306
307 Self {
308 commit,
309 editor,
310 multibuffer,
311 stash,
312 repository,
313 remote,
314 }
315 }
316
317 fn render_commit_avatar(
318 &self,
319 sha: &SharedString,
320 size: impl Into<gpui::AbsoluteLength>,
321 window: &mut Window,
322 cx: &mut App,
323 ) -> AnyElement {
324 let size = size.into();
325 let avatar = CommitAvatar::new(sha, self.remote.as_ref());
326
327 v_flex()
328 .w(size)
329 .h(size)
330 .border_1()
331 .border_color(cx.theme().colors().border)
332 .rounded_full()
333 .justify_center()
334 .items_center()
335 .child(
336 avatar
337 .avatar(window, cx)
338 .map(|a| a.size(size).into_any_element())
339 .unwrap_or_else(|| {
340 Icon::new(IconName::Person)
341 .color(Color::Muted)
342 .size(IconSize::Medium)
343 .into_any_element()
344 }),
345 )
346 .into_any()
347 }
348
349 fn calculate_changed_lines(&self, cx: &App) -> (u32, u32) {
350 let snapshot = self.multibuffer.read(cx).snapshot(cx);
351 let mut total_additions = 0u32;
352 let mut total_deletions = 0u32;
353
354 let mut seen_buffers = std::collections::HashSet::new();
355 for (_, buffer, _) in snapshot.excerpts() {
356 let buffer_id = buffer.remote_id();
357 if !seen_buffers.insert(buffer_id) {
358 continue;
359 }
360
361 let Some(diff) = snapshot.diff_for_buffer_id(buffer_id) else {
362 continue;
363 };
364
365 let base_text = diff.base_text();
366
367 for hunk in diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, buffer) {
368 let added_rows = hunk.range.end.row.saturating_sub(hunk.range.start.row);
369 total_additions += added_rows;
370
371 let base_start = base_text
372 .offset_to_point(hunk.diff_base_byte_range.start)
373 .row;
374 let base_end = base_text.offset_to_point(hunk.diff_base_byte_range.end).row;
375 let deleted_rows = base_end.saturating_sub(base_start);
376
377 total_deletions += deleted_rows;
378 }
379 }
380
381 (total_additions, total_deletions)
382 }
383
384 fn render_header(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
385 let commit = &self.commit;
386 let author_name = commit.author_name.clone();
387 let commit_date = time::OffsetDateTime::from_unix_timestamp(commit.commit_timestamp)
388 .unwrap_or_else(|_| time::OffsetDateTime::now_utc());
389 let local_offset = time::UtcOffset::current_local_offset().unwrap_or(time::UtcOffset::UTC);
390 let date_string = time_format::format_localized_timestamp(
391 commit_date,
392 time::OffsetDateTime::now_utc(),
393 local_offset,
394 time_format::TimestampFormat::MediumAbsolute,
395 );
396
397 let remote_info = self.remote.as_ref().map(|remote| {
398 let provider = remote.host.name();
399 let parsed_remote = ParsedGitRemote {
400 owner: remote.owner.as_ref().into(),
401 repo: remote.repo.as_ref().into(),
402 };
403 let params = BuildCommitPermalinkParams { sha: &commit.sha };
404 let url = remote
405 .host
406 .build_commit_permalink(&parsed_remote, params)
407 .to_string();
408 (provider, url)
409 });
410
411 let (additions, deletions) = self.calculate_changed_lines(cx);
412
413 let commit_diff_stat = if additions > 0 || deletions > 0 {
414 Some(DiffStat::new(
415 "commit-diff-stat",
416 additions as usize,
417 deletions as usize,
418 ))
419 } else {
420 None
421 };
422
423 let gutter_width = self.editor.update(cx, |editor, cx| {
424 let snapshot = editor.snapshot(window, cx);
425 let style = editor.style(cx);
426 let font_id = window.text_system().resolve_font(&style.text.font());
427 let font_size = style.text.font_size.to_pixels(window.rem_size());
428 snapshot
429 .gutter_dimensions(font_id, font_size, style, window, cx)
430 .full_width()
431 });
432
433 h_flex()
434 .border_b_1()
435 .border_color(cx.theme().colors().border_variant)
436 .w_full()
437 .child(
438 h_flex()
439 .w(gutter_width)
440 .justify_center()
441 .child(self.render_commit_avatar(&commit.sha, rems_from_px(48.), window, cx)),
442 )
443 .child(
444 h_flex()
445 .py_4()
446 .pl_1()
447 .pr_4()
448 .w_full()
449 .items_start()
450 .justify_between()
451 .flex_wrap()
452 .child(
453 v_flex()
454 .child(
455 h_flex()
456 .gap_1()
457 .child(Label::new(author_name).color(Color::Default))
458 .child(
459 Label::new(format!("Commit:{}", commit.sha))
460 .color(Color::Muted)
461 .size(LabelSize::Small)
462 .truncate()
463 .buffer_font(cx),
464 ),
465 )
466 .child(
467 h_flex()
468 .gap_1p5()
469 .child(
470 Label::new(date_string)
471 .color(Color::Muted)
472 .size(LabelSize::Small),
473 )
474 .child(
475 Label::new("•")
476 .color(Color::Ignored)
477 .size(LabelSize::Small),
478 )
479 .children(commit_diff_stat),
480 ),
481 )
482 .children(remote_info.map(|(provider_name, url)| {
483 let icon = match provider_name.as_str() {
484 "GitHub" => IconName::Github,
485 _ => IconName::Link,
486 };
487
488 Button::new("view_on_provider", format!("View on {}", provider_name))
489 .icon(icon)
490 .icon_color(Color::Muted)
491 .icon_size(IconSize::Small)
492 .icon_position(IconPosition::Start)
493 .on_click(move |_, _, cx| cx.open_url(&url))
494 })),
495 )
496 }
497
498 fn apply_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
499 Self::stash_action(
500 workspace,
501 "Apply",
502 window,
503 cx,
504 async move |repository, sha, stash, commit_view, workspace, cx| {
505 let result = repository.update(cx, |repo, cx| {
506 if !stash_matches_index(&sha, stash, repo) {
507 return Err(anyhow::anyhow!("Stash has changed, not applying"));
508 }
509 Ok(repo.stash_apply(Some(stash), cx))
510 })?;
511
512 match result {
513 Ok(task) => task.await?,
514 Err(err) => {
515 Self::close_commit_view(commit_view, workspace, cx).await?;
516 return Err(err);
517 }
518 };
519 Self::close_commit_view(commit_view, workspace, cx).await?;
520 anyhow::Ok(())
521 },
522 );
523 }
524
525 fn pop_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
526 Self::stash_action(
527 workspace,
528 "Pop",
529 window,
530 cx,
531 async move |repository, sha, stash, commit_view, workspace, cx| {
532 let result = repository.update(cx, |repo, cx| {
533 if !stash_matches_index(&sha, stash, repo) {
534 return Err(anyhow::anyhow!("Stash has changed, pop aborted"));
535 }
536 Ok(repo.stash_pop(Some(stash), cx))
537 })?;
538
539 match result {
540 Ok(task) => task.await?,
541 Err(err) => {
542 Self::close_commit_view(commit_view, workspace, cx).await?;
543 return Err(err);
544 }
545 };
546 Self::close_commit_view(commit_view, workspace, cx).await?;
547 anyhow::Ok(())
548 },
549 );
550 }
551
552 fn remove_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
553 Self::stash_action(
554 workspace,
555 "Drop",
556 window,
557 cx,
558 async move |repository, sha, stash, commit_view, workspace, cx| {
559 let result = repository.update(cx, |repo, cx| {
560 if !stash_matches_index(&sha, stash, repo) {
561 return Err(anyhow::anyhow!("Stash has changed, drop aborted"));
562 }
563 Ok(repo.stash_drop(Some(stash), cx))
564 })?;
565
566 match result {
567 Ok(task) => task.await??,
568 Err(err) => {
569 Self::close_commit_view(commit_view, workspace, cx).await?;
570 return Err(err);
571 }
572 };
573 Self::close_commit_view(commit_view, workspace, cx).await?;
574 anyhow::Ok(())
575 },
576 );
577 }
578
579 fn stash_action<AsyncFn>(
580 workspace: &mut Workspace,
581 str_action: &str,
582 window: &mut Window,
583 cx: &mut App,
584 callback: AsyncFn,
585 ) where
586 AsyncFn: AsyncFnOnce(
587 Entity<Repository>,
588 &SharedString,
589 usize,
590 Entity<CommitView>,
591 WeakEntity<Workspace>,
592 &mut AsyncWindowContext,
593 ) -> anyhow::Result<()>
594 + 'static,
595 {
596 let Some(commit_view) = workspace.active_item_as::<CommitView>(cx) else {
597 return;
598 };
599 let Some(stash) = commit_view.read(cx).stash else {
600 return;
601 };
602 let sha = commit_view.read(cx).commit.sha.clone();
603 let answer = window.prompt(
604 PromptLevel::Info,
605 &format!("{} stash@{{{}}}?", str_action, stash),
606 None,
607 &[str_action, "Cancel"],
608 cx,
609 );
610
611 let workspace_weak = workspace.weak_handle();
612 let commit_view_entity = commit_view;
613
614 window
615 .spawn(cx, async move |cx| {
616 if answer.await != Ok(0) {
617 return anyhow::Ok(());
618 }
619
620 let Some(workspace) = workspace_weak.upgrade() else {
621 return Ok(());
622 };
623
624 let repo = workspace.update(cx, |workspace, cx| {
625 workspace
626 .panel::<GitPanel>(cx)
627 .and_then(|p| p.read(cx).active_repository.clone())
628 })?;
629
630 let Some(repo) = repo else {
631 return Ok(());
632 };
633
634 callback(repo, &sha, stash, commit_view_entity, workspace_weak, cx).await?;
635 anyhow::Ok(())
636 })
637 .detach_and_notify_err(window, cx);
638 }
639
640 async fn close_commit_view(
641 commit_view: Entity<CommitView>,
642 workspace: WeakEntity<Workspace>,
643 cx: &mut AsyncWindowContext,
644 ) -> anyhow::Result<()> {
645 workspace
646 .update_in(cx, |workspace, window, cx| {
647 let active_pane = workspace.active_pane();
648 let commit_view_id = commit_view.entity_id();
649 active_pane.update(cx, |pane, cx| {
650 pane.close_item_by_id(commit_view_id, SaveIntent::Skip, window, cx)
651 })
652 })?
653 .await?;
654 anyhow::Ok(())
655 }
656}
657
658impl language::File for GitBlob {
659 fn as_local(&self) -> Option<&dyn language::LocalFile> {
660 None
661 }
662
663 fn disk_state(&self) -> DiskState {
664 if self.is_deleted {
665 DiskState::Deleted
666 } else {
667 DiskState::New
668 }
669 }
670
671 fn path_style(&self, _: &App) -> PathStyle {
672 PathStyle::Posix
673 }
674
675 fn path(&self) -> &Arc<RelPath> {
676 self.path.as_ref()
677 }
678
679 fn full_path(&self, _: &App) -> PathBuf {
680 self.path.as_std_path().to_path_buf()
681 }
682
683 fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
684 self.display_name.as_ref()
685 }
686
687 fn worktree_id(&self, _: &App) -> WorktreeId {
688 self.worktree_id
689 }
690
691 fn to_proto(&self, _cx: &App) -> language::proto::File {
692 unimplemented!()
693 }
694
695 fn is_private(&self) -> bool {
696 false
697 }
698}
699
700// No longer needed since metadata buffer is not created
701// impl language::File for CommitMetadataFile {
702// fn as_local(&self) -> Option<&dyn language::LocalFile> {
703// None
704// }
705//
706// fn disk_state(&self) -> DiskState {
707// DiskState::New
708// }
709//
710// fn path_style(&self, _: &App) -> PathStyle {
711// PathStyle::Posix
712// }
713//
714// fn path(&self) -> &Arc<RelPath> {
715// &self.title
716// }
717//
718// fn full_path(&self, _: &App) -> PathBuf {
719// self.title.as_std_path().to_path_buf()
720// }
721//
722// fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
723// self.title.file_name().unwrap_or("commit")
724// }
725//
726// fn worktree_id(&self, _: &App) -> WorktreeId {
727// self.worktree_id
728// }
729//
730// fn to_proto(&self, _cx: &App) -> language::proto::File {
731// unimplemented!()
732// }
733//
734// fn is_private(&self) -> bool {
735// false
736// }
737// }
738
739async fn build_buffer(
740 mut text: String,
741 blob: Arc<dyn File>,
742 language_registry: &Arc<language::LanguageRegistry>,
743 cx: &mut AsyncApp,
744) -> Result<Entity<Buffer>> {
745 let line_ending = LineEnding::detect(&text);
746 LineEnding::normalize(&mut text);
747 let text = Rope::from(text);
748 let language = cx.update(|cx| language_registry.language_for_file(&blob, Some(&text), cx))?;
749 let language = if let Some(language) = language {
750 language_registry
751 .load_language(&language)
752 .await
753 .ok()
754 .and_then(|e| e.log_err())
755 } else {
756 None
757 };
758 let buffer = cx.new(|cx| {
759 let buffer = TextBuffer::new_normalized(
760 ReplicaId::LOCAL,
761 cx.entity_id().as_non_zero_u64().into(),
762 line_ending,
763 text,
764 );
765 let mut buffer = Buffer::build(buffer, Some(blob), Capability::ReadWrite);
766 buffer.set_language_async(language, cx);
767 buffer
768 })?;
769 Ok(buffer)
770}
771
772async fn build_buffer_diff(
773 mut old_text: Option<String>,
774 buffer: &Entity<Buffer>,
775 language_registry: &Arc<LanguageRegistry>,
776 cx: &mut AsyncApp,
777) -> Result<Entity<BufferDiff>> {
778 if let Some(old_text) = &mut old_text {
779 LineEnding::normalize(old_text);
780 }
781
782 let buffer = cx.update(|cx| buffer.read(cx).snapshot())?;
783
784 let base_buffer = cx
785 .update(|cx| {
786 Buffer::build_snapshot(
787 old_text.as_deref().unwrap_or("").into(),
788 buffer.language().cloned(),
789 Some(language_registry.clone()),
790 cx,
791 )
792 })?
793 .await;
794
795 let diff_snapshot = cx
796 .update(|cx| {
797 BufferDiffSnapshot::new_with_base_buffer(
798 buffer.text.clone(),
799 old_text.map(Arc::new),
800 base_buffer,
801 cx,
802 )
803 })?
804 .await;
805
806 cx.new(|cx| {
807 let mut diff = BufferDiff::new(&buffer.text, cx);
808 diff.set_snapshot(diff_snapshot, &buffer.text, cx);
809 diff
810 })
811}
812
813impl EventEmitter<EditorEvent> for CommitView {}
814
815impl Focusable for CommitView {
816 fn focus_handle(&self, cx: &App) -> FocusHandle {
817 self.editor.focus_handle(cx)
818 }
819}
820
821impl Item for CommitView {
822 type Event = EditorEvent;
823
824 fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
825 Some(Icon::new(IconName::GitBranch).color(Color::Muted))
826 }
827
828 fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
829 Label::new(self.tab_content_text(params.detail.unwrap_or_default(), cx))
830 .color(if params.selected {
831 Color::Default
832 } else {
833 Color::Muted
834 })
835 .into_any_element()
836 }
837
838 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
839 let short_sha = self.commit.sha.get(0..7).unwrap_or(&*self.commit.sha);
840 let subject = truncate_and_trailoff(self.commit.message.split('\n').next().unwrap(), 20);
841 format!("{short_sha} — {subject}").into()
842 }
843
844 fn tab_tooltip_content(&self, _: &App) -> Option<TabTooltipContent> {
845 let short_sha = self.commit.sha.get(0..16).unwrap_or(&*self.commit.sha);
846 let subject = self.commit.message.split('\n').next().unwrap();
847
848 Some(TabTooltipContent::Custom(Box::new(Tooltip::element({
849 let subject = subject.to_string();
850 let short_sha = short_sha.to_string();
851
852 move |_, _| {
853 v_flex()
854 .child(Label::new(subject.clone()))
855 .child(
856 Label::new(short_sha.clone())
857 .color(Color::Muted)
858 .size(LabelSize::Small),
859 )
860 .into_any_element()
861 }
862 }))))
863 }
864
865 fn to_item_events(event: &EditorEvent, f: impl FnMut(ItemEvent)) {
866 Editor::to_item_events(event, f)
867 }
868
869 fn telemetry_event_text(&self) -> Option<&'static str> {
870 Some("Commit View Opened")
871 }
872
873 fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
874 self.editor
875 .update(cx, |editor, cx| editor.deactivated(window, cx));
876 }
877
878 fn act_as_type<'a>(
879 &'a self,
880 type_id: TypeId,
881 self_handle: &'a Entity<Self>,
882 _: &'a App,
883 ) -> Option<gpui::AnyEntity> {
884 if type_id == TypeId::of::<Self>() {
885 Some(self_handle.clone().into())
886 } else if type_id == TypeId::of::<Editor>() {
887 Some(self.editor.clone().into())
888 } else {
889 None
890 }
891 }
892
893 fn as_searchable(&self, _: &Entity<Self>, _: &App) -> Option<Box<dyn SearchableItemHandle>> {
894 Some(Box::new(self.editor.clone()))
895 }
896
897 fn for_each_project_item(
898 &self,
899 cx: &App,
900 f: &mut dyn FnMut(gpui::EntityId, &dyn project::ProjectItem),
901 ) {
902 self.editor.for_each_project_item(cx, f)
903 }
904
905 fn set_nav_history(
906 &mut self,
907 nav_history: ItemNavHistory,
908 _: &mut Window,
909 cx: &mut Context<Self>,
910 ) {
911 self.editor.update(cx, |editor, _| {
912 editor.set_nav_history(Some(nav_history));
913 });
914 }
915
916 fn navigate(
917 &mut self,
918 data: Box<dyn Any>,
919 window: &mut Window,
920 cx: &mut Context<Self>,
921 ) -> bool {
922 self.editor
923 .update(cx, |editor, cx| editor.navigate(data, window, cx))
924 }
925
926 fn breadcrumb_location(&self, _: &App) -> ToolbarItemLocation {
927 ToolbarItemLocation::Hidden
928 }
929
930 fn breadcrumbs(&self, _theme: &theme::Theme, _cx: &App) -> Option<Vec<BreadcrumbText>> {
931 None
932 }
933
934 fn added_to_workspace(
935 &mut self,
936 workspace: &mut Workspace,
937 window: &mut Window,
938 cx: &mut Context<Self>,
939 ) {
940 self.editor.update(cx, |editor, cx| {
941 editor.added_to_workspace(workspace, window, cx)
942 });
943 }
944
945 fn can_split(&self) -> bool {
946 true
947 }
948
949 fn clone_on_split(
950 &self,
951 _workspace_id: Option<workspace::WorkspaceId>,
952 window: &mut Window,
953 cx: &mut Context<Self>,
954 ) -> Task<Option<Entity<Self>>>
955 where
956 Self: Sized,
957 {
958 Task::ready(Some(cx.new(|cx| {
959 let editor = cx.new(|cx| {
960 self.editor
961 .update(cx, |editor, cx| editor.clone(window, cx))
962 });
963 let multibuffer = editor.read(cx).buffer().clone();
964 Self {
965 editor,
966 multibuffer,
967 commit: self.commit.clone(),
968 stash: self.stash,
969 repository: self.repository.clone(),
970 remote: self.remote.clone(),
971 }
972 })))
973 }
974}
975
976impl Render for CommitView {
977 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
978 let is_stash = self.stash.is_some();
979
980 v_flex()
981 .key_context(if is_stash { "StashDiff" } else { "CommitDiff" })
982 .size_full()
983 .bg(cx.theme().colors().editor_background)
984 .child(self.render_header(window, cx))
985 .when(!self.editor.read(cx).is_empty(cx), |this| {
986 this.child(div().flex_grow().child(self.editor.clone()))
987 })
988 }
989}
990
991pub struct CommitViewToolbar {
992 commit_view: Option<WeakEntity<CommitView>>,
993}
994
995impl CommitViewToolbar {
996 pub fn new() -> Self {
997 Self { commit_view: None }
998 }
999}
1000
1001impl EventEmitter<ToolbarItemEvent> for CommitViewToolbar {}
1002
1003impl Render for CommitViewToolbar {
1004 fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
1005 div().hidden()
1006 }
1007}
1008
1009impl ToolbarItemView for CommitViewToolbar {
1010 fn set_active_pane_item(
1011 &mut self,
1012 active_pane_item: Option<&dyn ItemHandle>,
1013 _: &mut Window,
1014 cx: &mut Context<Self>,
1015 ) -> ToolbarItemLocation {
1016 if let Some(entity) = active_pane_item.and_then(|i| i.act_as::<CommitView>(cx))
1017 && entity.read(cx).stash.is_some()
1018 {
1019 self.commit_view = Some(entity.downgrade());
1020 return ToolbarItemLocation::PrimaryRight;
1021 }
1022 ToolbarItemLocation::Hidden
1023 }
1024
1025 fn pane_focus_update(
1026 &mut self,
1027 _pane_focused: bool,
1028 _window: &mut Window,
1029 _cx: &mut Context<Self>,
1030 ) {
1031 }
1032}
1033
1034fn stash_matches_index(sha: &str, stash_index: usize, repo: &Repository) -> bool {
1035 repo.stash_entries
1036 .entries
1037 .get(stash_index)
1038 .map(|entry| entry.oid.to_string() == sha)
1039 .unwrap_or(false)
1040}