Add remote worktree to project before it is fully deserialized
This prevents a race condition where the host will send us messages and responses about a worktree that we have seen but haven't yet finished loading.
This commit is contained in:
Antonio Scandurra
parent
245490f934
commit
a762f575f4
2 changed files with 82 additions and 80 deletions
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@ -190,13 +190,13 @@ impl Worktree {
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Ok(tree)
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}
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pub async fn remote(
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pub fn remote(
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project_remote_id: u64,
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replica_id: ReplicaId,
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worktree: proto::Worktree,
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client: Arc<Client>,
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cx: &mut AsyncAppContext,
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) -> Result<ModelHandle<Self>> {
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cx: &mut MutableAppContext,
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) -> (ModelHandle<Self>, Task<()>) {
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let remote_id = worktree.id;
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let root_char_bag: CharBag = worktree
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.root_name
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@ -205,32 +205,26 @@ impl Worktree {
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.collect();
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let root_name = worktree.root_name.clone();
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let weak = worktree.weak;
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let (entries_by_path, entries_by_id, diagnostic_summaries) = cx
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.background()
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.spawn(async move {
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let mut entries_by_path_edits = Vec::new();
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let mut entries_by_id_edits = Vec::new();
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for entry in worktree.entries {
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match Entry::try_from((&root_char_bag, entry)) {
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Ok(entry) => {
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entries_by_id_edits.push(Edit::Insert(PathEntry {
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id: entry.id,
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path: entry.path.clone(),
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is_ignored: entry.is_ignored,
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scan_id: 0,
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}));
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entries_by_path_edits.push(Edit::Insert(entry));
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}
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Err(err) => log::warn!("error for remote worktree entry {:?}", err),
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}
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}
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let snapshot = Snapshot {
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id: WorktreeId(remote_id as usize),
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root_name,
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root_char_bag,
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entries_by_path: Default::default(),
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entries_by_id: Default::default(),
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};
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let mut entries_by_path = SumTree::new();
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let mut entries_by_id = SumTree::new();
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entries_by_path.edit(entries_by_path_edits, &());
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entries_by_id.edit(entries_by_id_edits, &());
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let diagnostic_summaries = TreeMap::from_ordered_entries(
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let (updates_tx, mut updates_rx) = postage::mpsc::channel(64);
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let (mut snapshot_tx, snapshot_rx) = watch::channel_with(snapshot.clone());
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let worktree_handle = cx.add_model(|_: &mut ModelContext<Worktree>| {
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Worktree::Remote(RemoteWorktree {
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project_id: project_remote_id,
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replica_id,
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snapshot: snapshot.clone(),
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snapshot_rx: snapshot_rx.clone(),
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updates_tx,
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client: client.clone(),
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queued_operations: Default::default(),
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diagnostic_summaries: TreeMap::from_ordered_entries(
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worktree.diagnostic_summaries.into_iter().map(|summary| {
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(
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PathKey(PathBuf::from(summary.path).into()),
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@ -242,24 +236,48 @@ impl Worktree {
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},
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)
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}),
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);
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(entries_by_path, entries_by_id, diagnostic_summaries)
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),
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weak,
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})
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.await;
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});
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let worktree = cx.update(|cx| {
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cx.add_model(|cx: &mut ModelContext<Worktree>| {
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let snapshot = Snapshot {
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id: WorktreeId(remote_id as usize),
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root_name,
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root_char_bag,
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entries_by_path,
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entries_by_id,
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};
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let deserialize_task = cx.spawn({
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let worktree_handle = worktree_handle.clone();
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|cx| async move {
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let (entries_by_path, entries_by_id) = cx
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.background()
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.spawn(async move {
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let mut entries_by_path_edits = Vec::new();
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let mut entries_by_id_edits = Vec::new();
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for entry in worktree.entries {
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match Entry::try_from((&root_char_bag, entry)) {
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Ok(entry) => {
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entries_by_id_edits.push(Edit::Insert(PathEntry {
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id: entry.id,
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path: entry.path.clone(),
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is_ignored: entry.is_ignored,
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scan_id: 0,
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}));
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entries_by_path_edits.push(Edit::Insert(entry));
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}
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Err(err) => log::warn!("error for remote worktree entry {:?}", err),
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}
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}
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let (updates_tx, mut updates_rx) = postage::mpsc::channel(64);
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let (mut snapshot_tx, snapshot_rx) = watch::channel_with(snapshot.clone());
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let mut entries_by_path = SumTree::new();
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let mut entries_by_id = SumTree::new();
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entries_by_path.edit(entries_by_path_edits, &());
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entries_by_id.edit(entries_by_id_edits, &());
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(entries_by_path, entries_by_id)
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})
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.await;
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{
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let mut snapshot = snapshot_tx.borrow_mut();
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snapshot.entries_by_path = entries_by_path;
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snapshot.entries_by_id = entries_by_id;
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}
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cx.background()
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.spawn(async move {
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@ -275,7 +293,8 @@ impl Worktree {
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{
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let mut snapshot_rx = snapshot_rx.clone();
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cx.spawn_weak(|this, mut cx| async move {
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let this = worktree_handle.downgrade();
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cx.spawn(|mut cx| async move {
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while let Some(_) = snapshot_rx.recv().await {
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if let Some(this) = cx.read(|cx| this.upgrade(cx)) {
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this.update(&mut cx, |this, cx| this.poll_snapshot(cx));
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@ -286,22 +305,9 @@ impl Worktree {
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})
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.detach();
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}
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Worktree::Remote(RemoteWorktree {
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project_id: project_remote_id,
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replica_id,
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snapshot,
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snapshot_rx,
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updates_tx,
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client: client.clone(),
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queued_operations: Default::default(),
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diagnostic_summaries,
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weak,
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})
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})
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}
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});
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Ok(worktree)
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(worktree_handle, deserialize_task)
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}
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pub fn as_local(&self) -> Option<&LocalWorktree> {
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