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,
14 Element, Entity, EventEmitter, FocusHandle, Focusable, InteractiveElement, IntoElement,
15 ParentElement, 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::{ButtonLike, DiffStat, 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 for buffer_id in binary_buffer_ids {
366 editor.fold_buffer(buffer_id, cx);
367 }
368 });
369 }
370 })?;
371
372 anyhow::Ok(())
373 })
374 .detach();
375
376 let snapshot = repository.read(cx).snapshot();
377 let remote_url = snapshot
378 .remote_upstream_url
379 .as_ref()
380 .or(snapshot.remote_origin_url.as_ref());
381
382 let remote = remote_url.and_then(|url| {
383 let provider_registry = GitHostingProviderRegistry::default_global(cx);
384 parse_git_remote_url(provider_registry, url).map(|(host, parsed)| GitRemote {
385 host,
386 owner: parsed.owner.into(),
387 repo: parsed.repo.into(),
388 })
389 });
390
391 Self {
392 commit,
393 editor,
394 multibuffer,
395 stash,
396 repository,
397 remote,
398 }
399 }
400
401 fn render_commit_avatar(
402 &self,
403 sha: &SharedString,
404 size: impl Into<gpui::AbsoluteLength>,
405 window: &mut Window,
406 cx: &mut App,
407 ) -> AnyElement {
408 let size = size.into();
409 let avatar = CommitAvatar::new(sha, self.remote.as_ref());
410
411 v_flex()
412 .w(size)
413 .h(size)
414 .border_1()
415 .border_color(cx.theme().colors().border)
416 .rounded_full()
417 .justify_center()
418 .items_center()
419 .child(
420 avatar
421 .avatar(window, cx)
422 .map(|a| a.size(size).into_any_element())
423 .unwrap_or_else(|| {
424 Icon::new(IconName::Person)
425 .color(Color::Muted)
426 .size(IconSize::Medium)
427 .into_any_element()
428 }),
429 )
430 .into_any()
431 }
432
433 fn calculate_changed_lines(&self, cx: &App) -> (u32, u32) {
434 let snapshot = self.multibuffer.read(cx).snapshot(cx);
435 let mut total_additions = 0u32;
436 let mut total_deletions = 0u32;
437
438 let mut seen_buffers = std::collections::HashSet::new();
439 for (_, buffer, _) in snapshot.excerpts() {
440 let buffer_id = buffer.remote_id();
441 if !seen_buffers.insert(buffer_id) {
442 continue;
443 }
444
445 let Some(diff) = snapshot.diff_for_buffer_id(buffer_id) else {
446 continue;
447 };
448
449 let base_text = diff.base_text();
450
451 for hunk in diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, buffer) {
452 let added_rows = hunk.range.end.row.saturating_sub(hunk.range.start.row);
453 total_additions += added_rows;
454
455 let base_start = base_text
456 .offset_to_point(hunk.diff_base_byte_range.start)
457 .row;
458 let base_end = base_text.offset_to_point(hunk.diff_base_byte_range.end).row;
459 let deleted_rows = base_end.saturating_sub(base_start);
460
461 total_deletions += deleted_rows;
462 }
463 }
464
465 (total_additions, total_deletions)
466 }
467
468 fn render_header(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
469 let commit = &self.commit;
470 let author_name = commit.author_name.clone();
471 let commit_sha = commit.sha.clone();
472 let commit_date = time::OffsetDateTime::from_unix_timestamp(commit.commit_timestamp)
473 .unwrap_or_else(|_| time::OffsetDateTime::now_utc());
474 let local_offset = time::UtcOffset::current_local_offset().unwrap_or(time::UtcOffset::UTC);
475 let date_string = time_format::format_localized_timestamp(
476 commit_date,
477 time::OffsetDateTime::now_utc(),
478 local_offset,
479 time_format::TimestampFormat::MediumAbsolute,
480 );
481
482 let remote_info = self.remote.as_ref().map(|remote| {
483 let provider = remote.host.name();
484 let parsed_remote = ParsedGitRemote {
485 owner: remote.owner.as_ref().into(),
486 repo: remote.repo.as_ref().into(),
487 };
488 let params = BuildCommitPermalinkParams { sha: &commit.sha };
489 let url = remote
490 .host
491 .build_commit_permalink(&parsed_remote, params)
492 .to_string();
493 (provider, url)
494 });
495
496 let (additions, deletions) = self.calculate_changed_lines(cx);
497
498 let commit_diff_stat = if additions > 0 || deletions > 0 {
499 Some(DiffStat::new(
500 "commit-diff-stat",
501 additions as usize,
502 deletions as usize,
503 ))
504 } else {
505 None
506 };
507
508 let gutter_width = self.editor.update(cx, |editor, cx| {
509 let snapshot = editor.snapshot(window, cx);
510 let style = editor.style(cx);
511 let font_id = window.text_system().resolve_font(&style.text.font());
512 let font_size = style.text.font_size.to_pixels(window.rem_size());
513 snapshot
514 .gutter_dimensions(font_id, font_size, style, window, cx)
515 .full_width()
516 });
517
518 let clipboard_has_link = cx
519 .read_from_clipboard()
520 .and_then(|entry| entry.text())
521 .map_or(false, |clipboard_text| {
522 clipboard_text.trim() == commit_sha.as_ref()
523 });
524
525 let (copy_icon, copy_icon_color) = if clipboard_has_link {
526 (IconName::Check, Color::Success)
527 } else {
528 (IconName::Copy, Color::Muted)
529 };
530
531 h_flex()
532 .border_b_1()
533 .border_color(cx.theme().colors().border_variant)
534 .w_full()
535 .child(
536 h_flex()
537 .w(gutter_width)
538 .justify_center()
539 .child(self.render_commit_avatar(&commit.sha, rems_from_px(48.), window, cx)),
540 )
541 .child(
542 h_flex()
543 .py_4()
544 .pl_1()
545 .pr_4()
546 .w_full()
547 .items_start()
548 .justify_between()
549 .flex_wrap()
550 .child(
551 v_flex()
552 .child(
553 h_flex()
554 .gap_1()
555 .child(Label::new(author_name).color(Color::Default))
556 .child({
557 ButtonLike::new("sha")
558 .child(
559 h_flex()
560 .group("sha_btn")
561 .size_full()
562 .max_w_32()
563 .gap_0p5()
564 .child(
565 Label::new(commit_sha.clone())
566 .color(Color::Muted)
567 .size(LabelSize::Small)
568 .truncate()
569 .buffer_font(cx),
570 )
571 .child(
572 div().visible_on_hover("sha_btn").child(
573 Icon::new(copy_icon)
574 .color(copy_icon_color)
575 .size(IconSize::Small),
576 ),
577 ),
578 )
579 .tooltip({
580 let commit_sha = commit_sha.clone();
581 move |_, cx| {
582 Tooltip::with_meta(
583 "Copy Commit SHA",
584 None,
585 commit_sha.clone(),
586 cx,
587 )
588 }
589 })
590 .on_click(move |_, _, cx| {
591 cx.stop_propagation();
592 cx.write_to_clipboard(ClipboardItem::new_string(
593 commit_sha.to_string(),
594 ));
595 })
596 }),
597 )
598 .child(
599 h_flex()
600 .gap_1p5()
601 .child(
602 Label::new(date_string)
603 .color(Color::Muted)
604 .size(LabelSize::Small),
605 )
606 .child(
607 Label::new("•")
608 .color(Color::Ignored)
609 .size(LabelSize::Small),
610 )
611 .children(commit_diff_stat),
612 ),
613 )
614 .children(remote_info.map(|(provider_name, url)| {
615 let icon = match provider_name.as_str() {
616 "GitHub" => IconName::Github,
617 _ => IconName::Link,
618 };
619
620 Button::new("view_on_provider", format!("View on {}", provider_name))
621 .icon(icon)
622 .icon_color(Color::Muted)
623 .icon_size(IconSize::Small)
624 .icon_position(IconPosition::Start)
625 .on_click(move |_, _, cx| cx.open_url(&url))
626 })),
627 )
628 }
629
630 fn apply_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
631 Self::stash_action(
632 workspace,
633 "Apply",
634 window,
635 cx,
636 async move |repository, sha, stash, commit_view, workspace, cx| {
637 let result = repository.update(cx, |repo, cx| {
638 if !stash_matches_index(&sha, stash, repo) {
639 return Err(anyhow::anyhow!("Stash has changed, not applying"));
640 }
641 Ok(repo.stash_apply(Some(stash), cx))
642 });
643
644 match result {
645 Ok(task) => task.await?,
646 Err(err) => {
647 Self::close_commit_view(commit_view, workspace, cx).await?;
648 return Err(err);
649 }
650 };
651 Self::close_commit_view(commit_view, workspace, cx).await?;
652 anyhow::Ok(())
653 },
654 );
655 }
656
657 fn pop_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
658 Self::stash_action(
659 workspace,
660 "Pop",
661 window,
662 cx,
663 async move |repository, sha, stash, commit_view, workspace, cx| {
664 let result = repository.update(cx, |repo, cx| {
665 if !stash_matches_index(&sha, stash, repo) {
666 return Err(anyhow::anyhow!("Stash has changed, pop aborted"));
667 }
668 Ok(repo.stash_pop(Some(stash), cx))
669 });
670
671 match result {
672 Ok(task) => task.await?,
673 Err(err) => {
674 Self::close_commit_view(commit_view, workspace, cx).await?;
675 return Err(err);
676 }
677 };
678 Self::close_commit_view(commit_view, workspace, cx).await?;
679 anyhow::Ok(())
680 },
681 );
682 }
683
684 fn remove_stash(workspace: &mut Workspace, window: &mut Window, cx: &mut App) {
685 Self::stash_action(
686 workspace,
687 "Drop",
688 window,
689 cx,
690 async move |repository, sha, stash, commit_view, workspace, cx| {
691 let result = repository.update(cx, |repo, cx| {
692 if !stash_matches_index(&sha, stash, repo) {
693 return Err(anyhow::anyhow!("Stash has changed, drop aborted"));
694 }
695 Ok(repo.stash_drop(Some(stash), cx))
696 });
697
698 match result {
699 Ok(task) => task.await??,
700 Err(err) => {
701 Self::close_commit_view(commit_view, workspace, cx).await?;
702 return Err(err);
703 }
704 };
705 Self::close_commit_view(commit_view, workspace, cx).await?;
706 anyhow::Ok(())
707 },
708 );
709 }
710
711 fn stash_action<AsyncFn>(
712 workspace: &mut Workspace,
713 str_action: &str,
714 window: &mut Window,
715 cx: &mut App,
716 callback: AsyncFn,
717 ) where
718 AsyncFn: AsyncFnOnce(
719 Entity<Repository>,
720 &SharedString,
721 usize,
722 Entity<CommitView>,
723 WeakEntity<Workspace>,
724 &mut AsyncWindowContext,
725 ) -> anyhow::Result<()>
726 + 'static,
727 {
728 let Some(commit_view) = workspace.active_item_as::<CommitView>(cx) else {
729 return;
730 };
731 let Some(stash) = commit_view.read(cx).stash else {
732 return;
733 };
734 let sha = commit_view.read(cx).commit.sha.clone();
735 let answer = window.prompt(
736 PromptLevel::Info,
737 &format!("{} stash@{{{}}}?", str_action, stash),
738 None,
739 &[str_action, "Cancel"],
740 cx,
741 );
742
743 let workspace_weak = workspace.weak_handle();
744 let commit_view_entity = commit_view;
745
746 window
747 .spawn(cx, async move |cx| {
748 if answer.await != Ok(0) {
749 return anyhow::Ok(());
750 }
751
752 let Some(workspace) = workspace_weak.upgrade() else {
753 return Ok(());
754 };
755
756 let repo = workspace.update(cx, |workspace, cx| {
757 workspace
758 .panel::<GitPanel>(cx)
759 .and_then(|p| p.read(cx).active_repository.clone())
760 });
761
762 let Some(repo) = repo else {
763 return Ok(());
764 };
765
766 callback(repo, &sha, stash, commit_view_entity, workspace_weak, cx).await?;
767 anyhow::Ok(())
768 })
769 .detach_and_notify_err(window, cx);
770 }
771
772 async fn close_commit_view(
773 commit_view: Entity<CommitView>,
774 workspace: WeakEntity<Workspace>,
775 cx: &mut AsyncWindowContext,
776 ) -> anyhow::Result<()> {
777 workspace
778 .update_in(cx, |workspace, window, cx| {
779 let active_pane = workspace.active_pane();
780 let commit_view_id = commit_view.entity_id();
781 active_pane.update(cx, |pane, cx| {
782 pane.close_item_by_id(commit_view_id, SaveIntent::Skip, window, cx)
783 })
784 })?
785 .await?;
786 anyhow::Ok(())
787 }
788}
789
790impl language::File for GitBlob {
791 fn as_local(&self) -> Option<&dyn language::LocalFile> {
792 None
793 }
794
795 fn disk_state(&self) -> DiskState {
796 DiskState::Historic {
797 was_deleted: self.is_deleted,
798 }
799 }
800
801 fn path_style(&self, _: &App) -> PathStyle {
802 PathStyle::local()
803 }
804
805 fn path(&self) -> &Arc<RelPath> {
806 self.path.as_ref()
807 }
808
809 fn full_path(&self, _: &App) -> PathBuf {
810 self.path.as_std_path().to_path_buf()
811 }
812
813 fn file_name<'a>(&'a self, _: &'a App) -> &'a str {
814 self.display_name.as_ref()
815 }
816
817 fn worktree_id(&self, _: &App) -> WorktreeId {
818 self.worktree_id
819 }
820
821 fn to_proto(&self, _cx: &App) -> language::proto::File {
822 unimplemented!()
823 }
824
825 fn is_private(&self) -> bool {
826 false
827 }
828
829 fn can_open(&self) -> bool {
830 !self.is_binary
831 }
832}
833
834async fn build_buffer(
835 mut text: String,
836 blob: Arc<dyn File>,
837 language_registry: &Arc<language::LanguageRegistry>,
838 cx: &mut AsyncApp,
839) -> Result<Entity<Buffer>> {
840 let line_ending = LineEnding::detect(&text);
841 LineEnding::normalize(&mut text);
842 let text = Rope::from(text);
843 let language = cx.update(|cx| language_registry.language_for_file(&blob, Some(&text), cx));
844 let language = if let Some(language) = language {
845 language_registry
846 .load_language(&language)
847 .await
848 .ok()
849 .and_then(|e| e.log_err())
850 } else {
851 None
852 };
853 let buffer = cx.new(|cx| {
854 let buffer = TextBuffer::new_normalized(
855 ReplicaId::LOCAL,
856 cx.entity_id().as_non_zero_u64().into(),
857 line_ending,
858 text,
859 );
860 let mut buffer = Buffer::build(buffer, Some(blob), Capability::ReadWrite);
861 buffer.set_language_async(language, cx);
862 buffer
863 });
864 Ok(buffer)
865}
866
867async fn build_buffer_diff(
868 mut old_text: Option<String>,
869 buffer: &Entity<Buffer>,
870 language_registry: &Arc<LanguageRegistry>,
871 cx: &mut AsyncApp,
872) -> Result<Entity<BufferDiff>> {
873 if let Some(old_text) = &mut old_text {
874 LineEnding::normalize(old_text);
875 }
876
877 let language = cx.update(|cx| buffer.read(cx).language().cloned());
878 let buffer = cx.update(|cx| buffer.read(cx).snapshot());
879
880 let diff = cx.new(|cx| BufferDiff::new(&buffer.text, cx));
881
882 let update = diff
883 .update(cx, |diff, cx| {
884 diff.update_diff(
885 buffer.text.clone(),
886 old_text.map(|old_text| Arc::from(old_text.as_str())),
887 true,
888 language.clone(),
889 cx,
890 )
891 })
892 .await;
893
894 diff.update(cx, |diff, cx| {
895 diff.language_changed(language, Some(language_registry.clone()), cx);
896 diff.set_snapshot(update, &buffer.text, cx)
897 })
898 .await;
899
900 Ok(diff)
901}
902
903impl EventEmitter<EditorEvent> for CommitView {}
904
905impl Focusable for CommitView {
906 fn focus_handle(&self, cx: &App) -> FocusHandle {
907 self.editor.focus_handle(cx)
908 }
909}
910
911impl Item for CommitView {
912 type Event = EditorEvent;
913
914 fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
915 Some(Icon::new(IconName::GitBranch).color(Color::Muted))
916 }
917
918 fn tab_content(&self, params: TabContentParams, _window: &Window, cx: &App) -> AnyElement {
919 Label::new(self.tab_content_text(params.detail.unwrap_or_default(), cx))
920 .color(if params.selected {
921 Color::Default
922 } else {
923 Color::Muted
924 })
925 .into_any_element()
926 }
927
928 fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
929 let short_sha = self.commit.sha.get(0..7).unwrap_or(&*self.commit.sha);
930 let subject = truncate_and_trailoff(self.commit.message.split('\n').next().unwrap(), 20);
931 format!("{short_sha} — {subject}").into()
932 }
933
934 fn tab_tooltip_content(&self, _: &App) -> Option<TabTooltipContent> {
935 let short_sha = self.commit.sha.get(0..16).unwrap_or(&*self.commit.sha);
936 let subject = self.commit.message.split('\n').next().unwrap();
937
938 Some(TabTooltipContent::Custom(Box::new(Tooltip::element({
939 let subject = subject.to_string();
940 let short_sha = short_sha.to_string();
941
942 move |_, _| {
943 v_flex()
944 .child(Label::new(subject.clone()))
945 .child(
946 Label::new(short_sha.clone())
947 .color(Color::Muted)
948 .size(LabelSize::Small),
949 )
950 .into_any_element()
951 }
952 }))))
953 }
954
955 fn to_item_events(event: &EditorEvent, f: impl FnMut(ItemEvent)) {
956 Editor::to_item_events(event, f)
957 }
958
959 fn telemetry_event_text(&self) -> Option<&'static str> {
960 Some("Commit View Opened")
961 }
962
963 fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
964 self.editor
965 .update(cx, |editor, cx| editor.deactivated(window, cx));
966 }
967
968 fn act_as_type<'a>(
969 &'a self,
970 type_id: TypeId,
971 self_handle: &'a Entity<Self>,
972 _: &'a App,
973 ) -> Option<gpui::AnyEntity> {
974 if type_id == TypeId::of::<Self>() {
975 Some(self_handle.clone().into())
976 } else if type_id == TypeId::of::<Editor>() {
977 Some(self.editor.clone().into())
978 } else {
979 None
980 }
981 }
982
983 fn as_searchable(&self, _: &Entity<Self>, _: &App) -> Option<Box<dyn SearchableItemHandle>> {
984 Some(Box::new(self.editor.clone()))
985 }
986
987 fn for_each_project_item(
988 &self,
989 cx: &App,
990 f: &mut dyn FnMut(gpui::EntityId, &dyn project::ProjectItem),
991 ) {
992 self.editor.for_each_project_item(cx, f)
993 }
994
995 fn set_nav_history(
996 &mut self,
997 nav_history: ItemNavHistory,
998 _: &mut Window,
999 cx: &mut Context<Self>,
1000 ) {
1001 self.editor.update(cx, |editor, _| {
1002 editor.set_nav_history(Some(nav_history));
1003 });
1004 }
1005
1006 fn navigate(
1007 &mut self,
1008 data: Box<dyn Any>,
1009 window: &mut Window,
1010 cx: &mut Context<Self>,
1011 ) -> bool {
1012 self.editor
1013 .update(cx, |editor, cx| editor.navigate(data, window, cx))
1014 }
1015
1016 fn added_to_workspace(
1017 &mut self,
1018 workspace: &mut Workspace,
1019 window: &mut Window,
1020 cx: &mut Context<Self>,
1021 ) {
1022 self.editor.update(cx, |editor, cx| {
1023 editor.added_to_workspace(workspace, window, cx)
1024 });
1025 }
1026
1027 fn can_split(&self) -> bool {
1028 true
1029 }
1030
1031 fn clone_on_split(
1032 &self,
1033 _workspace_id: Option<workspace::WorkspaceId>,
1034 window: &mut Window,
1035 cx: &mut Context<Self>,
1036 ) -> Task<Option<Entity<Self>>>
1037 where
1038 Self: Sized,
1039 {
1040 let file_statuses = self
1041 .editor
1042 .read(cx)
1043 .addon::<CommitDiffAddon>()
1044 .map(|addon| addon.file_statuses.clone())
1045 .unwrap_or_default();
1046 Task::ready(Some(cx.new(|cx| {
1047 let editor = cx.new({
1048 let file_statuses = file_statuses.clone();
1049 |cx| {
1050 let mut editor = self
1051 .editor
1052 .update(cx, |editor, cx| editor.clone(window, cx));
1053 editor.register_addon(CommitDiffAddon { file_statuses });
1054 editor
1055 }
1056 });
1057 let multibuffer = editor.read(cx).buffer().clone();
1058 Self {
1059 editor,
1060 multibuffer,
1061 commit: self.commit.clone(),
1062 stash: self.stash,
1063 repository: self.repository.clone(),
1064 remote: self.remote.clone(),
1065 }
1066 })))
1067 }
1068}
1069
1070impl Render for CommitView {
1071 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1072 let is_stash = self.stash.is_some();
1073
1074 v_flex()
1075 .key_context(if is_stash { "StashDiff" } else { "CommitDiff" })
1076 .size_full()
1077 .bg(cx.theme().colors().editor_background)
1078 .child(self.render_header(window, cx))
1079 .when(!self.editor.read(cx).is_empty(cx), |this| {
1080 this.child(div().flex_grow().child(self.editor.clone()))
1081 })
1082 }
1083}
1084
1085pub struct CommitViewToolbar {
1086 commit_view: Option<WeakEntity<CommitView>>,
1087}
1088
1089impl CommitViewToolbar {
1090 pub fn new() -> Self {
1091 Self { commit_view: None }
1092 }
1093}
1094
1095impl EventEmitter<ToolbarItemEvent> for CommitViewToolbar {}
1096
1097impl Render for CommitViewToolbar {
1098 fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
1099 div().hidden()
1100 }
1101}
1102
1103impl ToolbarItemView for CommitViewToolbar {
1104 fn set_active_pane_item(
1105 &mut self,
1106 active_pane_item: Option<&dyn ItemHandle>,
1107 _: &mut Window,
1108 cx: &mut Context<Self>,
1109 ) -> ToolbarItemLocation {
1110 if let Some(entity) = active_pane_item.and_then(|i| i.act_as::<CommitView>(cx))
1111 && entity.read(cx).stash.is_some()
1112 {
1113 self.commit_view = Some(entity.downgrade());
1114 return ToolbarItemLocation::PrimaryRight;
1115 }
1116 ToolbarItemLocation::Hidden
1117 }
1118
1119 fn pane_focus_update(
1120 &mut self,
1121 _pane_focused: bool,
1122 _window: &mut Window,
1123 _cx: &mut Context<Self>,
1124 ) {
1125 }
1126}
1127
1128fn stash_matches_index(sha: &str, stash_index: usize, repo: &Repository) -> bool {
1129 repo.stash_entries
1130 .entries
1131 .get(stash_index)
1132 .map(|entry| entry.oid.to_string() == sha)
1133 .unwrap_or(false)
1134}