1use std::{
2 path::{Path, PathBuf},
3 sync::{Arc, atomic::AtomicUsize},
4};
5
6use anyhow::{Context as _, Result, anyhow, bail};
7use collections::HashMap;
8use fs::{Fs, copy_recursive};
9use futures::{FutureExt, future::Shared};
10use gpui::{
11 App, AppContext as _, AsyncApp, Context, Entity, EntityId, EventEmitter, Task, WeakEntity,
12};
13use rpc::{
14 AnyProtoClient, ErrorExt, TypedEnvelope,
15 proto::{self, REMOTE_SERVER_PROJECT_ID},
16};
17use text::ReplicaId;
18use util::{
19 ResultExt,
20 paths::{PathStyle, RemotePathBuf, SanitizedPath},
21 rel_path::RelPath,
22};
23use worktree::{
24 CreatedEntry, Entry, ProjectEntryId, UpdatedEntriesSet, UpdatedGitRepositoriesSet, Worktree,
25 WorktreeId,
26};
27
28use crate::{ProjectPath, trusted_worktrees::TrustedWorktrees};
29
30enum WorktreeStoreState {
31 Local {
32 fs: Arc<dyn Fs>,
33 },
34 Remote {
35 upstream_client: AnyProtoClient,
36 upstream_project_id: u64,
37 path_style: PathStyle,
38 },
39}
40
41pub struct WorktreeStore {
42 next_entry_id: Arc<AtomicUsize>,
43 downstream_client: Option<(AnyProtoClient, u64)>,
44 retain_worktrees: bool,
45 worktrees: Vec<WorktreeHandle>,
46 worktrees_reordered: bool,
47 scanning_enabled: bool,
48 #[allow(clippy::type_complexity)]
49 loading_worktrees:
50 HashMap<Arc<SanitizedPath>, Shared<Task<Result<Entity<Worktree>, Arc<anyhow::Error>>>>>,
51 state: WorktreeStoreState,
52}
53
54#[derive(Debug)]
55pub enum WorktreeStoreEvent {
56 WorktreeAdded(Entity<Worktree>),
57 WorktreeRemoved(EntityId, WorktreeId),
58 WorktreeReleased(EntityId, WorktreeId),
59 WorktreeOrderChanged,
60 WorktreeUpdateSent(Entity<Worktree>),
61 WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
62 WorktreeUpdatedGitRepositories(WorktreeId, UpdatedGitRepositoriesSet),
63 WorktreeDeletedEntry(WorktreeId, ProjectEntryId),
64}
65
66impl EventEmitter<WorktreeStoreEvent> for WorktreeStore {}
67
68impl WorktreeStore {
69 pub fn init(client: &AnyProtoClient) {
70 client.add_entity_request_handler(Self::handle_create_project_entry);
71 client.add_entity_request_handler(Self::handle_copy_project_entry);
72 client.add_entity_request_handler(Self::handle_delete_project_entry);
73 client.add_entity_request_handler(Self::handle_expand_project_entry);
74 client.add_entity_request_handler(Self::handle_expand_all_for_project_entry);
75 }
76
77 pub fn local(retain_worktrees: bool, fs: Arc<dyn Fs>) -> Self {
78 Self {
79 next_entry_id: Default::default(),
80 loading_worktrees: Default::default(),
81 downstream_client: None,
82 worktrees: Vec::new(),
83 worktrees_reordered: false,
84 scanning_enabled: true,
85 retain_worktrees,
86 state: WorktreeStoreState::Local { fs },
87 }
88 }
89
90 pub fn remote(
91 retain_worktrees: bool,
92 upstream_client: AnyProtoClient,
93 upstream_project_id: u64,
94 path_style: PathStyle,
95 ) -> Self {
96 Self {
97 next_entry_id: Default::default(),
98 loading_worktrees: Default::default(),
99 downstream_client: None,
100 worktrees: Vec::new(),
101 worktrees_reordered: false,
102 scanning_enabled: true,
103 retain_worktrees,
104 state: WorktreeStoreState::Remote {
105 upstream_client,
106 upstream_project_id,
107 path_style,
108 },
109 }
110 }
111
112 pub fn disable_scanner(&mut self) {
113 self.scanning_enabled = false;
114 }
115
116 /// Iterates through all worktrees, including ones that don't appear in the project panel
117 pub fn worktrees(&self) -> impl '_ + DoubleEndedIterator<Item = Entity<Worktree>> {
118 self.worktrees
119 .iter()
120 .filter_map(move |worktree| worktree.upgrade())
121 }
122
123 /// Iterates through all user-visible worktrees, the ones that appear in the project panel.
124 pub fn visible_worktrees<'a>(
125 &'a self,
126 cx: &'a App,
127 ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
128 self.worktrees()
129 .filter(|worktree| worktree.read(cx).is_visible())
130 }
131
132 /// Iterates through all user-visible worktrees (directories and files that appear in the project panel) and other, invisible single files that could appear e.g. due to drag and drop.
133 pub fn visible_worktrees_and_single_files<'a>(
134 &'a self,
135 cx: &'a App,
136 ) -> impl 'a + DoubleEndedIterator<Item = Entity<Worktree>> {
137 self.worktrees()
138 .filter(|worktree| worktree.read(cx).is_visible() || worktree.read(cx).is_single_file())
139 }
140
141 pub fn worktree_for_id(&self, id: WorktreeId, cx: &App) -> Option<Entity<Worktree>> {
142 self.worktrees()
143 .find(|worktree| worktree.read(cx).id() == id)
144 }
145
146 pub fn worktree_for_entry(
147 &self,
148 entry_id: ProjectEntryId,
149 cx: &App,
150 ) -> Option<Entity<Worktree>> {
151 self.worktrees()
152 .find(|worktree| worktree.read(cx).contains_entry(entry_id))
153 }
154
155 pub fn find_worktree(
156 &self,
157 abs_path: impl AsRef<Path>,
158 cx: &App,
159 ) -> Option<(Entity<Worktree>, Arc<RelPath>)> {
160 let abs_path = SanitizedPath::new(abs_path.as_ref());
161 for tree in self.worktrees() {
162 let path_style = tree.read(cx).path_style();
163 if let Ok(relative_path) = abs_path.as_ref().strip_prefix(tree.read(cx).abs_path())
164 && let Ok(relative_path) = RelPath::new(relative_path, path_style)
165 {
166 return Some((tree.clone(), relative_path.into_arc()));
167 }
168 }
169 None
170 }
171
172 pub fn project_path_for_absolute_path(&self, abs_path: &Path, cx: &App) -> Option<ProjectPath> {
173 self.find_worktree(abs_path, cx)
174 .map(|(worktree, relative_path)| ProjectPath {
175 worktree_id: worktree.read(cx).id(),
176 path: relative_path,
177 })
178 }
179
180 pub fn absolutize(&self, project_path: &ProjectPath, cx: &App) -> Option<PathBuf> {
181 let worktree = self.worktree_for_id(project_path.worktree_id, cx)?;
182 Some(worktree.read(cx).absolutize(&project_path.path))
183 }
184
185 pub fn path_style(&self) -> PathStyle {
186 match &self.state {
187 WorktreeStoreState::Local { .. } => PathStyle::local(),
188 WorktreeStoreState::Remote { path_style, .. } => *path_style,
189 }
190 }
191
192 pub fn find_or_create_worktree(
193 &mut self,
194 abs_path: impl AsRef<Path>,
195 visible: bool,
196 cx: &mut Context<Self>,
197 ) -> Task<Result<(Entity<Worktree>, Arc<RelPath>)>> {
198 let abs_path = abs_path.as_ref();
199 if let Some((tree, relative_path)) = self.find_worktree(abs_path, cx) {
200 Task::ready(Ok((tree, relative_path)))
201 } else {
202 let worktree = self.create_worktree(abs_path, visible, cx);
203 cx.background_spawn(async move { Ok((worktree.await?, RelPath::empty().into())) })
204 }
205 }
206
207 pub fn entry_for_id<'a>(&'a self, entry_id: ProjectEntryId, cx: &'a App) -> Option<&'a Entry> {
208 self.worktrees()
209 .find_map(|worktree| worktree.read(cx).entry_for_id(entry_id))
210 }
211
212 pub fn worktree_and_entry_for_id<'a>(
213 &'a self,
214 entry_id: ProjectEntryId,
215 cx: &'a App,
216 ) -> Option<(Entity<Worktree>, &'a Entry)> {
217 self.worktrees().find_map(|worktree| {
218 worktree
219 .read(cx)
220 .entry_for_id(entry_id)
221 .map(|e| (worktree.clone(), e))
222 })
223 }
224
225 pub fn entry_for_path<'a>(&'a self, path: &ProjectPath, cx: &'a App) -> Option<&'a Entry> {
226 self.worktree_for_id(path.worktree_id, cx)?
227 .read(cx)
228 .entry_for_path(&path.path)
229 }
230
231 pub fn copy_entry(
232 &mut self,
233 entry_id: ProjectEntryId,
234 new_project_path: ProjectPath,
235 cx: &mut Context<Self>,
236 ) -> Task<Result<Option<Entry>>> {
237 let Some(old_worktree) = self.worktree_for_entry(entry_id, cx) else {
238 return Task::ready(Err(anyhow!("no such worktree")));
239 };
240 let Some(old_entry) = old_worktree.read(cx).entry_for_id(entry_id) else {
241 return Task::ready(Err(anyhow!("no such entry")));
242 };
243 let Some(new_worktree) = self.worktree_for_id(new_project_path.worktree_id, cx) else {
244 return Task::ready(Err(anyhow!("no such worktree")));
245 };
246
247 match &self.state {
248 WorktreeStoreState::Local { fs } => {
249 let old_abs_path = old_worktree.read(cx).absolutize(&old_entry.path);
250 let new_abs_path = new_worktree.read(cx).absolutize(&new_project_path.path);
251 let fs = fs.clone();
252 let copy = cx.background_spawn(async move {
253 copy_recursive(
254 fs.as_ref(),
255 &old_abs_path,
256 &new_abs_path,
257 Default::default(),
258 )
259 .await
260 });
261
262 cx.spawn(async move |_, cx| {
263 copy.await?;
264 new_worktree
265 .update(cx, |this, cx| {
266 this.as_local_mut().unwrap().refresh_entry(
267 new_project_path.path,
268 None,
269 cx,
270 )
271 })
272 .await
273 })
274 }
275 WorktreeStoreState::Remote {
276 upstream_client,
277 upstream_project_id,
278 ..
279 } => {
280 let response = upstream_client.request(proto::CopyProjectEntry {
281 project_id: *upstream_project_id,
282 entry_id: entry_id.to_proto(),
283 new_path: new_project_path.path.to_proto(),
284 new_worktree_id: new_project_path.worktree_id.to_proto(),
285 });
286 cx.spawn(async move |_, cx| {
287 let response = response.await?;
288 match response.entry {
289 Some(entry) => new_worktree
290 .update(cx, |worktree, cx| {
291 worktree.as_remote_mut().unwrap().insert_entry(
292 entry,
293 response.worktree_scan_id as usize,
294 cx,
295 )
296 })
297 .await
298 .map(Some),
299 None => Ok(None),
300 }
301 })
302 }
303 }
304 }
305
306 pub fn rename_entry(
307 &mut self,
308 entry_id: ProjectEntryId,
309 new_project_path: ProjectPath,
310 cx: &mut Context<Self>,
311 ) -> Task<Result<CreatedEntry>> {
312 let Some(old_worktree) = self.worktree_for_entry(entry_id, cx) else {
313 return Task::ready(Err(anyhow!("no such worktree")));
314 };
315 let Some(old_entry) = old_worktree.read(cx).entry_for_id(entry_id).cloned() else {
316 return Task::ready(Err(anyhow!("no such entry")));
317 };
318 let Some(new_worktree) = self.worktree_for_id(new_project_path.worktree_id, cx) else {
319 return Task::ready(Err(anyhow!("no such worktree")));
320 };
321
322 match &self.state {
323 WorktreeStoreState::Local { fs } => {
324 let abs_old_path = old_worktree.read(cx).absolutize(&old_entry.path);
325 let new_worktree_ref = new_worktree.read(cx);
326 let is_root_entry = new_worktree_ref
327 .root_entry()
328 .is_some_and(|e| e.id == entry_id);
329 let abs_new_path = if is_root_entry {
330 let abs_path = new_worktree_ref.abs_path();
331 let Some(root_parent_path) = abs_path.parent() else {
332 return Task::ready(Err(anyhow!("no parent for path {:?}", abs_path)));
333 };
334 root_parent_path.join(new_project_path.path.as_std_path())
335 } else {
336 new_worktree_ref.absolutize(&new_project_path.path)
337 };
338
339 let fs = fs.clone();
340 let case_sensitive = new_worktree
341 .read(cx)
342 .as_local()
343 .unwrap()
344 .fs_is_case_sensitive();
345
346 let do_rename =
347 async move |fs: &dyn Fs, old_path: &Path, new_path: &Path, overwrite| {
348 fs.rename(
349 &old_path,
350 &new_path,
351 fs::RenameOptions {
352 overwrite,
353 ..fs::RenameOptions::default()
354 },
355 )
356 .await
357 .with_context(|| format!("renaming {old_path:?} into {new_path:?}"))
358 };
359
360 let rename = cx.background_spawn({
361 let abs_new_path = abs_new_path.clone();
362 async move {
363 // If we're on a case-insensitive FS and we're doing a case-only rename (i.e. `foobar` to `FOOBAR`)
364 // we want to overwrite, because otherwise we run into a file-already-exists error.
365 let overwrite = !case_sensitive
366 && abs_old_path != abs_new_path
367 && abs_old_path.to_str().map(|p| p.to_lowercase())
368 == abs_new_path.to_str().map(|p| p.to_lowercase());
369
370 // The directory we're renaming into might not exist yet
371 if let Err(e) =
372 do_rename(fs.as_ref(), &abs_old_path, &abs_new_path, overwrite).await
373 {
374 if let Some(err) = e.downcast_ref::<std::io::Error>()
375 && err.kind() == std::io::ErrorKind::NotFound
376 {
377 if let Some(parent) = abs_new_path.parent() {
378 fs.create_dir(parent).await.with_context(|| {
379 format!("creating parent directory {parent:?}")
380 })?;
381 return do_rename(
382 fs.as_ref(),
383 &abs_old_path,
384 &abs_new_path,
385 overwrite,
386 )
387 .await;
388 }
389 }
390 return Err(e);
391 }
392 Ok(())
393 }
394 });
395
396 cx.spawn(async move |_, cx| {
397 rename.await?;
398 Ok(new_worktree
399 .update(cx, |this, cx| {
400 let local = this.as_local_mut().unwrap();
401 if is_root_entry {
402 // We eagerly update `abs_path` and refresh this worktree.
403 // Otherwise, the FS watcher would do it on the `RootUpdated` event,
404 // but with a noticeable delay, so we handle it proactively.
405 local.update_abs_path_and_refresh(
406 SanitizedPath::new_arc(&abs_new_path),
407 cx,
408 );
409 Task::ready(Ok(this.root_entry().cloned()))
410 } else {
411 // First refresh the parent directory (in case it was newly created)
412 if let Some(parent) = new_project_path.path.parent() {
413 let _ = local.refresh_entries_for_paths(vec![parent.into()]);
414 }
415 // Then refresh the new path
416 local.refresh_entry(
417 new_project_path.path.clone(),
418 Some(old_entry.path),
419 cx,
420 )
421 }
422 })
423 .await?
424 .map(CreatedEntry::Included)
425 .unwrap_or_else(|| CreatedEntry::Excluded {
426 abs_path: abs_new_path,
427 }))
428 })
429 }
430 WorktreeStoreState::Remote {
431 upstream_client,
432 upstream_project_id,
433 ..
434 } => {
435 let response = upstream_client.request(proto::RenameProjectEntry {
436 project_id: *upstream_project_id,
437 entry_id: entry_id.to_proto(),
438 new_path: new_project_path.path.to_proto(),
439 new_worktree_id: new_project_path.worktree_id.to_proto(),
440 });
441 cx.spawn(async move |_, cx| {
442 let response = response.await?;
443 match response.entry {
444 Some(entry) => new_worktree
445 .update(cx, |worktree, cx| {
446 worktree.as_remote_mut().unwrap().insert_entry(
447 entry,
448 response.worktree_scan_id as usize,
449 cx,
450 )
451 })
452 .await
453 .map(CreatedEntry::Included),
454 None => {
455 let abs_path = new_worktree.read_with(cx, |worktree, _| {
456 worktree.absolutize(&new_project_path.path)
457 });
458 Ok(CreatedEntry::Excluded { abs_path })
459 }
460 }
461 })
462 }
463 }
464 }
465 pub fn create_worktree(
466 &mut self,
467 abs_path: impl AsRef<Path>,
468 visible: bool,
469 cx: &mut Context<Self>,
470 ) -> Task<Result<Entity<Worktree>>> {
471 let abs_path: Arc<SanitizedPath> = SanitizedPath::new_arc(&abs_path);
472 let is_via_collab = matches!(&self.state, WorktreeStoreState::Remote { upstream_client, .. } if upstream_client.is_via_collab());
473 if !self.loading_worktrees.contains_key(&abs_path) {
474 let task = match &self.state {
475 WorktreeStoreState::Remote {
476 upstream_client,
477 path_style,
478 ..
479 } => {
480 if upstream_client.is_via_collab() {
481 Task::ready(Err(Arc::new(anyhow!("cannot create worktrees via collab"))))
482 } else {
483 let abs_path = RemotePathBuf::new(abs_path.to_string(), *path_style);
484 self.create_remote_worktree(upstream_client.clone(), abs_path, visible, cx)
485 }
486 }
487 WorktreeStoreState::Local { fs } => {
488 self.create_local_worktree(fs.clone(), abs_path.clone(), visible, cx)
489 }
490 };
491
492 self.loading_worktrees
493 .insert(abs_path.clone(), task.shared());
494 }
495 let task = self.loading_worktrees.get(&abs_path).unwrap().clone();
496 cx.spawn(async move |this, cx| {
497 let result = task.await;
498 this.update(cx, |this, _| this.loading_worktrees.remove(&abs_path))
499 .ok();
500 match result {
501 Ok(worktree) => {
502 if !is_via_collab {
503 if let Some((trusted_worktrees, worktree_store)) = this
504 .update(cx, |_, cx| {
505 TrustedWorktrees::try_get_global(cx).zip(Some(cx.entity()))
506 })
507 .ok()
508 .flatten()
509 {
510 trusted_worktrees.update(cx, |trusted_worktrees, cx| {
511 trusted_worktrees.can_trust(
512 &worktree_store,
513 worktree.read(cx).id(),
514 cx,
515 );
516 });
517 }
518 }
519 Ok(worktree)
520 }
521 Err(err) => Err((*err).cloned()),
522 }
523 })
524 }
525
526 fn create_remote_worktree(
527 &mut self,
528 client: AnyProtoClient,
529 abs_path: RemotePathBuf,
530 visible: bool,
531 cx: &mut Context<Self>,
532 ) -> Task<Result<Entity<Worktree>, Arc<anyhow::Error>>> {
533 let path_style = abs_path.path_style();
534 let mut abs_path = abs_path.to_string();
535 // If we start with `/~` that means the ssh path was something like `ssh://user@host/~/home-dir-folder/`
536 // in which case want to strip the leading the `/`.
537 // On the host-side, the `~` will get expanded.
538 // That's what git does too: https://github.com/libgit2/libgit2/issues/3345#issuecomment-127050850
539 if abs_path.starts_with("/~") {
540 abs_path = abs_path[1..].to_string();
541 }
542 if abs_path.is_empty() {
543 abs_path = "~/".to_string();
544 }
545
546 cx.spawn(async move |this, cx| {
547 let this = this.upgrade().context("Dropped worktree store")?;
548
549 let path = RemotePathBuf::new(abs_path, path_style);
550 let response = client
551 .request(proto::AddWorktree {
552 project_id: REMOTE_SERVER_PROJECT_ID,
553 path: path.to_proto(),
554 visible,
555 })
556 .await?;
557
558 if let Some(existing_worktree) = this.read_with(cx, |this, cx| {
559 this.worktree_for_id(WorktreeId::from_proto(response.worktree_id), cx)
560 }) {
561 return Ok(existing_worktree);
562 }
563
564 let root_path_buf = PathBuf::from(response.canonicalized_path.clone());
565 let root_name = root_path_buf
566 .file_name()
567 .map(|n| n.to_string_lossy().into_owned())
568 .unwrap_or(root_path_buf.to_string_lossy().into_owned());
569
570 let worktree = cx.update(|cx| {
571 Worktree::remote(
572 REMOTE_SERVER_PROJECT_ID,
573 ReplicaId::REMOTE_SERVER,
574 proto::WorktreeMetadata {
575 id: response.worktree_id,
576 root_name,
577 visible,
578 abs_path: response.canonicalized_path,
579 },
580 client,
581 path_style,
582 cx,
583 )
584 });
585
586 this.update(cx, |this, cx| {
587 this.add(&worktree, cx);
588 });
589 Ok(worktree)
590 })
591 }
592
593 fn create_local_worktree(
594 &mut self,
595 fs: Arc<dyn Fs>,
596 abs_path: Arc<SanitizedPath>,
597 visible: bool,
598 cx: &mut Context<Self>,
599 ) -> Task<Result<Entity<Worktree>, Arc<anyhow::Error>>> {
600 let next_entry_id = self.next_entry_id.clone();
601 let scanning_enabled = self.scanning_enabled;
602
603 cx.spawn(async move |this, cx| {
604 let worktree = Worktree::local(
605 SanitizedPath::cast_arc(abs_path.clone()),
606 visible,
607 fs,
608 next_entry_id,
609 scanning_enabled,
610 cx,
611 )
612 .await?;
613
614 this.update(cx, |this, cx| this.add(&worktree, cx))?;
615
616 if visible {
617 cx.update(|cx| {
618 cx.add_recent_document(abs_path.as_path());
619 });
620 }
621
622 Ok(worktree)
623 })
624 }
625
626 pub fn add(&mut self, worktree: &Entity<Worktree>, cx: &mut Context<Self>) {
627 let worktree_id = worktree.read(cx).id();
628 debug_assert!(self.worktrees().all(|w| w.read(cx).id() != worktree_id));
629
630 let push_strong_handle = self.retain_worktrees || worktree.read(cx).is_visible();
631 let handle = if push_strong_handle {
632 WorktreeHandle::Strong(worktree.clone())
633 } else {
634 WorktreeHandle::Weak(worktree.downgrade())
635 };
636 if self.worktrees_reordered {
637 self.worktrees.push(handle);
638 } else {
639 let i = match self
640 .worktrees
641 .binary_search_by_key(&Some(worktree.read(cx).abs_path()), |other| {
642 other.upgrade().map(|worktree| worktree.read(cx).abs_path())
643 }) {
644 Ok(i) | Err(i) => i,
645 };
646 self.worktrees.insert(i, handle);
647 }
648
649 cx.emit(WorktreeStoreEvent::WorktreeAdded(worktree.clone()));
650 self.send_project_updates(cx);
651
652 let handle_id = worktree.entity_id();
653 cx.subscribe(worktree, |_, worktree, event, cx| {
654 let worktree_id = worktree.read(cx).id();
655 match event {
656 worktree::Event::UpdatedEntries(changes) => {
657 cx.emit(WorktreeStoreEvent::WorktreeUpdatedEntries(
658 worktree_id,
659 changes.clone(),
660 ));
661 }
662 worktree::Event::UpdatedGitRepositories(set) => {
663 cx.emit(WorktreeStoreEvent::WorktreeUpdatedGitRepositories(
664 worktree_id,
665 set.clone(),
666 ));
667 }
668 worktree::Event::DeletedEntry(id) => {
669 cx.emit(WorktreeStoreEvent::WorktreeDeletedEntry(worktree_id, *id))
670 }
671 }
672 })
673 .detach();
674 cx.observe_release(worktree, move |this, worktree, cx| {
675 cx.emit(WorktreeStoreEvent::WorktreeReleased(
676 handle_id,
677 worktree.id(),
678 ));
679 cx.emit(WorktreeStoreEvent::WorktreeRemoved(
680 handle_id,
681 worktree.id(),
682 ));
683 this.send_project_updates(cx);
684 })
685 .detach();
686 }
687
688 pub fn remove_worktree(&mut self, id_to_remove: WorktreeId, cx: &mut Context<Self>) {
689 self.worktrees.retain(|worktree| {
690 if let Some(worktree) = worktree.upgrade() {
691 if worktree.read(cx).id() == id_to_remove {
692 cx.emit(WorktreeStoreEvent::WorktreeRemoved(
693 worktree.entity_id(),
694 id_to_remove,
695 ));
696 false
697 } else {
698 true
699 }
700 } else {
701 false
702 }
703 });
704 self.send_project_updates(cx);
705 }
706
707 pub fn set_worktrees_reordered(&mut self, worktrees_reordered: bool) {
708 self.worktrees_reordered = worktrees_reordered;
709 }
710
711 fn upstream_client(&self) -> Option<(AnyProtoClient, u64)> {
712 match &self.state {
713 WorktreeStoreState::Remote {
714 upstream_client,
715 upstream_project_id,
716 ..
717 } => Some((upstream_client.clone(), *upstream_project_id)),
718 WorktreeStoreState::Local { .. } => None,
719 }
720 }
721
722 pub fn set_worktrees_from_proto(
723 &mut self,
724 worktrees: Vec<proto::WorktreeMetadata>,
725 replica_id: ReplicaId,
726 cx: &mut Context<Self>,
727 ) -> Result<()> {
728 let mut old_worktrees_by_id = self
729 .worktrees
730 .drain(..)
731 .filter_map(|worktree| {
732 let worktree = worktree.upgrade()?;
733 Some((worktree.read(cx).id(), worktree))
734 })
735 .collect::<HashMap<_, _>>();
736
737 let (client, project_id) = self.upstream_client().context("invalid project")?;
738
739 for worktree in worktrees {
740 if let Some(old_worktree) =
741 old_worktrees_by_id.remove(&WorktreeId::from_proto(worktree.id))
742 {
743 let push_strong_handle =
744 self.retain_worktrees || old_worktree.read(cx).is_visible();
745 let handle = if push_strong_handle {
746 WorktreeHandle::Strong(old_worktree.clone())
747 } else {
748 WorktreeHandle::Weak(old_worktree.downgrade())
749 };
750 self.worktrees.push(handle);
751 } else {
752 self.add(
753 &Worktree::remote(
754 project_id,
755 replica_id,
756 worktree,
757 client.clone(),
758 self.path_style(),
759 cx,
760 ),
761 cx,
762 );
763 }
764 }
765 self.send_project_updates(cx);
766
767 Ok(())
768 }
769
770 pub fn move_worktree(
771 &mut self,
772 source: WorktreeId,
773 destination: WorktreeId,
774 cx: &mut Context<Self>,
775 ) -> Result<()> {
776 if source == destination {
777 return Ok(());
778 }
779
780 let mut source_index = None;
781 let mut destination_index = None;
782 for (i, worktree) in self.worktrees.iter().enumerate() {
783 if let Some(worktree) = worktree.upgrade() {
784 let worktree_id = worktree.read(cx).id();
785 if worktree_id == source {
786 source_index = Some(i);
787 if destination_index.is_some() {
788 break;
789 }
790 } else if worktree_id == destination {
791 destination_index = Some(i);
792 if source_index.is_some() {
793 break;
794 }
795 }
796 }
797 }
798
799 let source_index =
800 source_index.with_context(|| format!("Missing worktree for id {source}"))?;
801 let destination_index =
802 destination_index.with_context(|| format!("Missing worktree for id {destination}"))?;
803
804 if source_index == destination_index {
805 return Ok(());
806 }
807
808 let worktree_to_move = self.worktrees.remove(source_index);
809 self.worktrees.insert(destination_index, worktree_to_move);
810 self.worktrees_reordered = true;
811 cx.emit(WorktreeStoreEvent::WorktreeOrderChanged);
812 cx.notify();
813 Ok(())
814 }
815
816 pub fn disconnected_from_host(&mut self, cx: &mut App) {
817 for worktree in &self.worktrees {
818 if let Some(worktree) = worktree.upgrade() {
819 worktree.update(cx, |worktree, _| {
820 if let Some(worktree) = worktree.as_remote_mut() {
821 worktree.disconnected_from_host();
822 }
823 });
824 }
825 }
826 }
827
828 pub fn send_project_updates(&mut self, cx: &mut Context<Self>) {
829 let Some((downstream_client, project_id)) = self.downstream_client.clone() else {
830 return;
831 };
832
833 let update = proto::UpdateProject {
834 project_id,
835 worktrees: self.worktree_metadata_protos(cx),
836 };
837
838 // collab has bad concurrency guarantees, so we send requests in serial.
839 let update_project = if downstream_client.is_via_collab() {
840 Some(downstream_client.request(update))
841 } else {
842 downstream_client.send(update).log_err();
843 None
844 };
845 cx.spawn(async move |this, cx| {
846 if let Some(update_project) = update_project {
847 update_project.await?;
848 }
849
850 this.update(cx, |this, cx| {
851 let worktrees = this.worktrees().collect::<Vec<_>>();
852
853 for worktree in worktrees {
854 worktree.update(cx, |worktree, cx| {
855 let client = downstream_client.clone();
856 worktree.observe_updates(project_id, cx, {
857 move |update| {
858 let client = client.clone();
859 async move {
860 if client.is_via_collab() {
861 client
862 .request(update)
863 .map(|result| result.log_err().is_some())
864 .await
865 } else {
866 client.send(update).log_err().is_some()
867 }
868 }
869 }
870 });
871 });
872
873 cx.emit(WorktreeStoreEvent::WorktreeUpdateSent(worktree.clone()))
874 }
875
876 anyhow::Ok(())
877 })
878 })
879 .detach_and_log_err(cx);
880 }
881
882 pub fn worktree_metadata_protos(&self, cx: &App) -> Vec<proto::WorktreeMetadata> {
883 self.worktrees()
884 .map(|worktree| {
885 let worktree = worktree.read(cx);
886 proto::WorktreeMetadata {
887 id: worktree.id().to_proto(),
888 root_name: worktree.root_name_str().to_owned(),
889 visible: worktree.is_visible(),
890 abs_path: worktree.abs_path().to_string_lossy().into_owned(),
891 }
892 })
893 .collect()
894 }
895
896 pub fn shared(
897 &mut self,
898 remote_id: u64,
899 downstream_client: AnyProtoClient,
900 cx: &mut Context<Self>,
901 ) {
902 self.retain_worktrees = true;
903 self.downstream_client = Some((downstream_client, remote_id));
904
905 // When shared, retain all worktrees
906 for worktree_handle in self.worktrees.iter_mut() {
907 match worktree_handle {
908 WorktreeHandle::Strong(_) => {}
909 WorktreeHandle::Weak(worktree) => {
910 if let Some(worktree) = worktree.upgrade() {
911 *worktree_handle = WorktreeHandle::Strong(worktree);
912 }
913 }
914 }
915 }
916 self.send_project_updates(cx);
917 }
918
919 pub fn unshared(&mut self, cx: &mut Context<Self>) {
920 self.retain_worktrees = false;
921 self.downstream_client.take();
922
923 // When not shared, only retain the visible worktrees
924 for worktree_handle in self.worktrees.iter_mut() {
925 if let WorktreeHandle::Strong(worktree) = worktree_handle {
926 let is_visible = worktree.update(cx, |worktree, _| {
927 worktree.stop_observing_updates();
928 worktree.is_visible()
929 });
930 if !is_visible {
931 *worktree_handle = WorktreeHandle::Weak(worktree.downgrade());
932 }
933 }
934 }
935 }
936
937 pub async fn handle_create_project_entry(
938 this: Entity<Self>,
939 envelope: TypedEnvelope<proto::CreateProjectEntry>,
940 mut cx: AsyncApp,
941 ) -> Result<proto::ProjectEntryResponse> {
942 let worktree = this.update(&mut cx, |this, cx| {
943 let worktree_id = WorktreeId::from_proto(envelope.payload.worktree_id);
944 this.worktree_for_id(worktree_id, cx)
945 .context("worktree not found")
946 })?;
947 Worktree::handle_create_entry(worktree, envelope.payload, cx).await
948 }
949
950 pub async fn handle_copy_project_entry(
951 this: Entity<Self>,
952 envelope: TypedEnvelope<proto::CopyProjectEntry>,
953 mut cx: AsyncApp,
954 ) -> Result<proto::ProjectEntryResponse> {
955 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
956 let new_worktree_id = WorktreeId::from_proto(envelope.payload.new_worktree_id);
957 let new_project_path = (
958 new_worktree_id,
959 RelPath::from_proto(&envelope.payload.new_path)?,
960 );
961 let (scan_id, entry) = this.update(&mut cx, |this, cx| {
962 let Some((_, project_id)) = this.downstream_client else {
963 bail!("no downstream client")
964 };
965 let Some(entry) = this.entry_for_id(entry_id, cx) else {
966 bail!("no such entry");
967 };
968 if entry.is_private && project_id != REMOTE_SERVER_PROJECT_ID {
969 bail!("entry is private")
970 }
971
972 let new_worktree = this
973 .worktree_for_id(new_worktree_id, cx)
974 .context("no such worktree")?;
975 let scan_id = new_worktree.read(cx).scan_id();
976 anyhow::Ok((
977 scan_id,
978 this.copy_entry(entry_id, new_project_path.into(), cx),
979 ))
980 })?;
981 let entry = entry.await?;
982 Ok(proto::ProjectEntryResponse {
983 entry: entry.as_ref().map(|entry| entry.into()),
984 worktree_scan_id: scan_id as u64,
985 })
986 }
987
988 pub async fn handle_delete_project_entry(
989 this: Entity<Self>,
990 envelope: TypedEnvelope<proto::DeleteProjectEntry>,
991 mut cx: AsyncApp,
992 ) -> Result<proto::ProjectEntryResponse> {
993 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
994 let worktree = this.update(&mut cx, |this, cx| {
995 let Some((_, project_id)) = this.downstream_client else {
996 bail!("no downstream client")
997 };
998 let Some(entry) = this.entry_for_id(entry_id, cx) else {
999 bail!("no entry")
1000 };
1001 if entry.is_private && project_id != REMOTE_SERVER_PROJECT_ID {
1002 bail!("entry is private")
1003 }
1004 this.worktree_for_entry(entry_id, cx)
1005 .context("worktree not found")
1006 })?;
1007 Worktree::handle_delete_entry(worktree, envelope.payload, cx).await
1008 }
1009
1010 pub async fn handle_rename_project_entry(
1011 this: Entity<Self>,
1012 request: proto::RenameProjectEntry,
1013 mut cx: AsyncApp,
1014 ) -> Result<proto::ProjectEntryResponse> {
1015 let entry_id = ProjectEntryId::from_proto(request.entry_id);
1016 let new_worktree_id = WorktreeId::from_proto(request.new_worktree_id);
1017 let rel_path = RelPath::from_proto(&request.new_path)
1018 .with_context(|| format!("received invalid relative path {:?}", &request.new_path))?;
1019
1020 let (scan_id, task) = this.update(&mut cx, |this, cx| {
1021 let worktree = this
1022 .worktree_for_entry(entry_id, cx)
1023 .context("no such worktree")?;
1024
1025 let Some((_, project_id)) = this.downstream_client else {
1026 bail!("no downstream client")
1027 };
1028 let entry = worktree
1029 .read(cx)
1030 .entry_for_id(entry_id)
1031 .ok_or_else(|| anyhow!("missing entry"))?;
1032 if entry.is_private && project_id != REMOTE_SERVER_PROJECT_ID {
1033 bail!("entry is private")
1034 }
1035
1036 let scan_id = worktree.read(cx).scan_id();
1037 anyhow::Ok((
1038 scan_id,
1039 this.rename_entry(entry_id, (new_worktree_id, rel_path).into(), cx),
1040 ))
1041 })?;
1042 Ok(proto::ProjectEntryResponse {
1043 entry: match &task.await? {
1044 CreatedEntry::Included(entry) => Some(entry.into()),
1045 CreatedEntry::Excluded { .. } => None,
1046 },
1047 worktree_scan_id: scan_id as u64,
1048 })
1049 }
1050
1051 pub async fn handle_expand_project_entry(
1052 this: Entity<Self>,
1053 envelope: TypedEnvelope<proto::ExpandProjectEntry>,
1054 mut cx: AsyncApp,
1055 ) -> Result<proto::ExpandProjectEntryResponse> {
1056 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
1057 let worktree = this
1058 .update(&mut cx, |this, cx| this.worktree_for_entry(entry_id, cx))
1059 .context("invalid request")?;
1060 Worktree::handle_expand_entry(worktree, envelope.payload, cx).await
1061 }
1062
1063 pub async fn handle_expand_all_for_project_entry(
1064 this: Entity<Self>,
1065 envelope: TypedEnvelope<proto::ExpandAllForProjectEntry>,
1066 mut cx: AsyncApp,
1067 ) -> Result<proto::ExpandAllForProjectEntryResponse> {
1068 let entry_id = ProjectEntryId::from_proto(envelope.payload.entry_id);
1069 let worktree = this
1070 .update(&mut cx, |this, cx| this.worktree_for_entry(entry_id, cx))
1071 .context("invalid request")?;
1072 Worktree::handle_expand_all_for_entry(worktree, envelope.payload, cx).await
1073 }
1074
1075 pub fn fs(&self) -> Option<Arc<dyn Fs>> {
1076 match &self.state {
1077 WorktreeStoreState::Local { fs } => Some(fs.clone()),
1078 WorktreeStoreState::Remote { .. } => None,
1079 }
1080 }
1081}
1082
1083#[derive(Clone, Debug)]
1084enum WorktreeHandle {
1085 Strong(Entity<Worktree>),
1086 Weak(WeakEntity<Worktree>),
1087}
1088
1089impl WorktreeHandle {
1090 fn upgrade(&self) -> Option<Entity<Worktree>> {
1091 match self {
1092 WorktreeHandle::Strong(handle) => Some(handle.clone()),
1093 WorktreeHandle::Weak(handle) => handle.upgrade(),
1094 }
1095 }
1096}