git: Fix panic in git2 due to empty repo paths (#42304)

Fixes ZED-1VR

Release Notes:

- Fixed sporadic panic in git features

crates/git_ui/src/commit_view.rs

@@ -266,7 +266,7 @@ impl language::File for GitBlob {
     }
 
     fn path(&self) -> &Arc<RelPath> {
-        &self.path.0
+        self.path.as_ref()
     }
 
     fn full_path(&self, _: &App) -> PathBuf {

crates/git_ui/src/git_panel.rs

@@ -879,7 +879,7 @@ impl GitPanel {
             let active_repository = self.active_repository.as_ref()?.downgrade();
 
             cx.spawn(async move |_, cx| {
-                let file_path_str = repo_path.0.display(PathStyle::Posix);
+                let file_path_str = repo_path.as_ref().display(PathStyle::Posix);
 
                 let repo_root = active_repository.read_with(cx, |repository, _| {
                     repository.snapshot().work_directory_abs_path
@@ -1074,7 +1074,7 @@ impl GitPanel {
         }
         let mut details = entries
             .iter()
-            .filter_map(|entry| entry.repo_path.0.file_name())
+            .filter_map(|entry| entry.repo_path.as_ref().file_name())
             .map(|filename| filename.to_string())
             .take(5)
             .join("\n");
@@ -1129,7 +1129,7 @@ impl GitPanel {
             .map(|entry| {
                 entry
                     .repo_path
-                    .0
+                    .as_ref()
                     .file_name()
                     .map(|f| f.to_string())
                     .unwrap_or_default()
@@ -5647,7 +5647,7 @@ mod tests {
             assert_eq!(
                 entry.status_entry().map(|status| status
                     .repo_path
-                    .0
+                    .as_ref()
                     .as_std_path()
                     .to_string_lossy()
                     .to_string()),

crates/git_ui/src/project_diff.rs

@@ -336,7 +336,7 @@ impl ProjectDiff {
         };
         let repo = git_repo.read(cx);
         let sort_prefix = sort_prefix(repo, &entry.repo_path, entry.status, cx);
-        let path_key = PathKey::with_sort_prefix(sort_prefix, entry.repo_path.0);
+        let path_key = PathKey::with_sort_prefix(sort_prefix, entry.repo_path.as_ref().clone());
 
         self.move_to_path(path_key, window, cx)
     }
@@ -566,7 +566,7 @@ impl ProjectDiff {
                 for entry in buffers_to_load.iter() {
                     let sort_prefix = sort_prefix(&repo, &entry.repo_path, entry.file_status, cx);
                     let path_key =
-                        PathKey::with_sort_prefix(sort_prefix, entry.repo_path.0.clone());
+                        PathKey::with_sort_prefix(sort_prefix, entry.repo_path.as_ref().clone());
                     previous_paths.remove(&path_key);
                     path_keys.push(path_key)
                 }