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💄 process_events
This commit is contained in:
Max Brunsfeld
parent
e44a59dc7d
commit
f06164ade9
1 changed files with 41 additions and 40 deletions
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@ -208,6 +208,11 @@ impl Snapshot {
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self.path.file_name()
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}
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fn entry_for_path(&self, path: impl AsRef<Path>) -> Option<&Entry> {
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self.inode_for_path(path)
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.and_then(|inode| self.entries.get(&inode))
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}
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fn inode_for_path(&self, path: impl AsRef<Path>) -> Option<u64> {
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let path = path.as_ref();
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self.root_inode.and_then(|mut inode| {
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@ -226,38 +231,53 @@ impl Snapshot {
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})
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}
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fn entry_for_path(&self, path: impl AsRef<Path>) -> Option<&Entry> {
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self.inode_for_path(path)
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.and_then(|inode| self.entries.get(&inode))
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}
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pub fn path_for_inode(&self, mut ino: u64, include_root: bool) -> Result<PathBuf> {
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pub fn path_for_inode(&self, mut inode: u64, include_root: bool) -> Result<PathBuf> {
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let mut components = Vec::new();
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let mut entry = self
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.entries
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.get(&ino)
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.get(&inode)
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.ok_or_else(|| anyhow!("entry does not exist in worktree"))?;
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while let Some(parent) = entry.parent() {
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entry = self.entries.get(&parent).unwrap();
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if let Entry::Dir { children, .. } = entry {
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let (_, child_name) = children
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.iter()
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.find(|(child_inode, _)| *child_inode == ino)
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.find(|(child_inode, _)| *child_inode == inode)
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.unwrap();
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components.push(child_name.as_ref());
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ino = parent;
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inode = parent;
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} else {
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unreachable!();
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}
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}
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if include_root {
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components.push(self.path.file_name().unwrap());
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components.push(self.root_name().unwrap());
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}
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Ok(components.into_iter().rev().collect())
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}
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fn remove_path(&mut self, path: &Path) {
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fn insert_entry(&mut self, path: &Path, entry: Entry) {
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let mut edits = Vec::new();
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edits.push(Edit::Insert(entry.clone()));
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if let Some(parent) = entry.parent() {
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let mut parent_entry = self.entries.get(&parent).unwrap().clone();
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if let Entry::Dir { children, .. } = &mut parent_entry {
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let name = Arc::from(path.file_name().unwrap());
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*children = children
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.into_iter()
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.cloned()
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.chain(Some((entry.inode(), name)))
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.collect::<Vec<_>>()
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.into();
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edits.push(Edit::Insert(parent_entry));
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} else {
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unreachable!();
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}
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}
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self.entries.edit(edits);
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}
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fn remove_entry(&mut self, path: &Path) {
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let mut parent_entry = match path.parent().and_then(|p| self.entry_for_path(p).cloned()) {
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Some(e) => e,
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None => return,
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@ -687,7 +707,7 @@ impl BackgroundScanner {
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let relative_path = match path.strip_prefix(&snapshot.path) {
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Ok(relative_path) => relative_path.to_path_buf(),
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Err(e) => {
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log::error!("Unexpected event {:?}", e);
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log::error!("unexpected event {:?}", e);
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continue;
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}
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};
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@ -696,40 +716,21 @@ impl BackgroundScanner {
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paths.next();
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}
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snapshot.remove_path(&relative_path);
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snapshot.remove_entry(&relative_path);
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match self.fs_entry_for_path(&snapshot.path, &path) {
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Ok(Some((fs_entry, ignore))) => {
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let mut edits = Vec::new();
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edits.push(Edit::Insert(fs_entry.clone()));
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if let Some(parent) = fs_entry.parent() {
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let mut parent_entry = snapshot.entries.get(&parent).unwrap().clone();
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if let Entry::Dir { children, .. } = &mut parent_entry {
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let name = Arc::from(path.file_name().unwrap());
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*children = children
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.into_iter()
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.cloned()
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.chain(Some((fs_entry.inode(), name)))
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.collect::<Vec<_>>()
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.into();
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edits.push(Edit::Insert(parent_entry));
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} else {
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unreachable!();
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}
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}
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snapshot.entries.edit(edits);
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snapshot.insert_entry(&path, fs_entry.clone());
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if fs_entry.is_dir() {
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let relative_path = snapshot
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.path
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.parent()
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.map_or(path.as_path(), |parent| path.strip_prefix(parent).unwrap())
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.to_path_buf();
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scan_queue_tx
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.send(Ok(ScanJob {
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inode: fs_entry.inode(),
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path: Arc::from(path),
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relative_path,
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relative_path: snapshot
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.root_name()
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.map_or(PathBuf::new(), PathBuf::from)
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.join(relative_path),
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dir_entry: fs_entry,
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ignore: Some(ignore),
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scan_queue: scan_queue_tx.clone(),
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@ -740,14 +741,14 @@ impl BackgroundScanner {
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Ok(None) => {}
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Err(err) => {
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// TODO - create a special 'error' entry in the entries tree to mark this
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log::error!("Error reading file on event {:?}", err);
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log::error!("error reading file on event {:?}", err);
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}
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}
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}
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*self.snapshot.lock() = snapshot;
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// Scan any directories that were moved into this worktree as part of this event batch.
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// Scan any directories that were created as part of this event batch.
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drop(scan_queue_tx);
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self.thread_pool.scoped(|pool| {
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for _ in 0..self.thread_pool.workers() {
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