wip

crates/worktree/src/ignore.rs

@@ -1,42 +1,60 @@
 use ignore::gitignore::Gitignore;
 use std::{ffi::OsStr, path::Path, sync::Arc};
 
+#[derive(Clone, Debug)]
+pub struct IgnoreStack {
+    pub repo_root: Option<Arc<Path>>,
+    pub top: Arc<IgnoreStackEntry>,
+}
+
 #[derive(Debug)]
-pub enum IgnoreStack {
+pub enum IgnoreStackEntry {
     None,
     Global {
-        repo_root: Option<Arc<Path>>,
         ignore: Arc<Gitignore>,
     },
     Some {
         abs_base_path: Arc<Path>,
         ignore: Arc<Gitignore>,
-        parent: Arc<IgnoreStack>,
+        parent: Arc<IgnoreStackEntry>,
     },
     All,
 }
 
 impl IgnoreStack {
-    pub fn none() -> Arc<Self> {
-        Arc::new(Self::None)
+    pub fn none() -> Self {
+        Self {
+            repo_root: None,
+            top: Arc::new(IgnoreStackEntry::None),
+        }
     }
 
-    pub fn all() -> Arc<Self> {
-        Arc::new(Self::All)
+    pub fn all() -> Self {
+        Self {
+            repo_root: None,
+            top: Arc::new(IgnoreStackEntry::All),
+        }
     }
 
-    pub fn global(repo_root: Option<Arc<Path>>, ignore: Arc<Gitignore>) -> Arc<Self> {
-        Arc::new(Self::Global { repo_root, ignore })
+    pub fn global(ignore: Arc<Gitignore>) -> Self {
+        Self {
+            repo_root: None,
+            top: Arc::new(IgnoreStackEntry::Global { ignore }),
+        }
     }
 
-    pub fn append(self: Arc<Self>, abs_base_path: Arc<Path>, ignore: Arc<Gitignore>) -> Arc<Self> {
-        match self.as_ref() {
-            IgnoreStack::All => self,
-            _ => Arc::new(Self::Some {
+    pub fn append(self, abs_base_path: Arc<Path>, ignore: Arc<Gitignore>) -> Self {
+        let top = match self.top.as_ref() {
+            IgnoreStackEntry::All => self.top.clone(),
+            _ => Arc::new(IgnoreStackEntry::Some {
                 abs_base_path,
                 ignore,
-                parent: self,
+                parent: self.top.clone(),
             }),
+        };
+        Self {
+            repo_root: self.repo_root,
+            top,
         }
     }
 
@@ -45,12 +63,12 @@ impl IgnoreStack {
             return true;
         }
 
-        match self {
-            Self::None => false,
-            Self::All => true,
-            Self::Global { repo_root, ignore } => {
+        match self.top.as_ref() {
+            IgnoreStackEntry::None => false,
+            IgnoreStackEntry::All => true,
+            IgnoreStackEntry::Global { ignore } => {
                 let combined_path;
-                let abs_path = if let Some(repo_root) = repo_root {
+                let abs_path = if let Some(repo_root) = self.repo_root.as_ref() {
                     combined_path = ignore.path().join(
                         abs_path
                             .strip_prefix(repo_root)
@@ -66,12 +84,16 @@ impl IgnoreStack {
                     ignore::Match::Whitelist(_) => false,
                 }
             }
-            Self::Some {
+            IgnoreStackEntry::Some {
                 abs_base_path,
                 ignore,
                 parent: prev,
             } => match ignore.matched(abs_path.strip_prefix(abs_base_path).unwrap(), is_dir) {
-                ignore::Match::None => prev.is_abs_path_ignored(abs_path, is_dir),
+                ignore::Match::None => IgnoreStack {
+                    repo_root: self.repo_root.clone(),
+                    top: prev.clone(),
+                }
+                .is_abs_path_ignored(abs_path, is_dir),
                 ignore::Match::Ignore(_) => true,
                 ignore::Match::Whitelist(_) => false,
             },

crates/worktree/src/worktree.rs

@@ -2777,12 +2777,7 @@ impl LocalSnapshot {
         inodes
     }
 
-    fn ignore_stack_for_abs_path(
-        &self,
-        abs_path: &Path,
-        is_dir: bool,
-        fs: &dyn Fs,
-    ) -> Arc<IgnoreStack> {
+    fn ignore_stack_for_abs_path(&self, abs_path: &Path, is_dir: bool, fs: &dyn Fs) -> IgnoreStack {
         let mut new_ignores = Vec::new();
         let mut repo_root = None;
         for (index, ancestor) in abs_path.ancestors().enumerate() {
@@ -2803,10 +2798,11 @@ impl LocalSnapshot {
         }
 
         let mut ignore_stack = if let Some(global_gitignore) = self.global_gitignore.clone() {
-            IgnoreStack::global(repo_root, global_gitignore)
+            IgnoreStack::global(global_gitignore)
         } else {
             IgnoreStack::none()
         };
+        ignore_stack.repo_root = repo_root;
         for (parent_abs_path, ignore) in new_ignores.into_iter().rev() {
             if ignore_stack.is_abs_path_ignored(parent_abs_path, true) {
                 ignore_stack = IgnoreStack::all();
@@ -4369,12 +4365,14 @@ impl BackgroundScanner {
         swap_to_front(&mut child_paths, *GITIGNORE);
         swap_to_front(&mut child_paths, *DOT_GIT);
 
+        let mut repo_root = None;
         for child_abs_path in child_paths {
             let child_abs_path: Arc<Path> = child_abs_path.into();
             let child_name = child_abs_path.file_name().unwrap();
             let child_path: Arc<Path> = job.path.join(child_name).into();
 
             if child_name == *DOT_GIT {
+                repo_root = Some(child_abs_path.clone());
                 let mut state = self.state.lock();
                 state.insert_git_repository(
                     child_path.clone(),
@@ -4386,6 +4384,9 @@ impl BackgroundScanner {
                     Ok(ignore) => {
                         let ignore = Arc::new(ignore);
                         ignore_stack = ignore_stack.append(job.abs_path.clone(), ignore.clone());
+                        if let Some(repo_root) = repo_root.clone() {
+                            ignore_stack.repo_root = Some(repo_root);
+                        }
                         new_ignore = Some(ignore);
                     }
                     Err(error) => {
@@ -4688,7 +4689,7 @@ impl BackgroundScanner {
         &self,
         scan_job_tx: Sender<ScanJob>,
         prev_snapshot: LocalSnapshot,
-        mut ignores_to_update: impl Iterator<Item = (Arc<Path>, Arc<IgnoreStack>)>,
+        mut ignores_to_update: impl Iterator<Item = (Arc<Path>, IgnoreStack)>,
     ) {
         let (ignore_queue_tx, ignore_queue_rx) = channel::unbounded();
         {
@@ -5147,7 +5148,7 @@ fn char_bag_for_path(root_char_bag: CharBag, path: &Path) -> CharBag {
 struct ScanJob {
     abs_path: Arc<Path>,
     path: Arc<Path>,
-    ignore_stack: Arc<IgnoreStack>,
+    ignore_stack: IgnoreStack,
     scan_queue: Sender<ScanJob>,
     ancestor_inodes: TreeSet<u64>,
     is_external: bool,
@@ -5155,7 +5156,7 @@ struct ScanJob {
 
 struct UpdateIgnoreStatusJob {
     abs_path: Arc<Path>,
-    ignore_stack: Arc<IgnoreStack>,
+    ignore_stack: IgnoreStack,
     ignore_queue: Sender<UpdateIgnoreStatusJob>,
     scan_queue: Sender<ScanJob>,
 }