nit: remove unused ceiling_dir param

helix-vcs/src/git.rs

@@ -29,7 +29,7 @@ pub fn get_diff_base(file: &Path) -> Result<Vec<u8>> {
     // TODO cache repository lookup
 
     let repo_dir = file.parent().context("file has no parent directory")?;
-    let repo = open_repo(repo_dir, None)
+    let repo = open_repo(repo_dir)
         .context("failed to open git repo")?
         .to_thread_local();
     let head = repo.head_commit()?;
@@ -57,7 +57,7 @@ pub fn get_current_head_name(file: &Path) -> Result<Arc<ArcSwap<Box<str>>>> {
     debug_assert!(!file.exists() || file.is_file());
     debug_assert!(file.is_absolute());
     let repo_dir = file.parent().context("file has no parent directory")?;
-    let repo = open_repo(repo_dir, None)
+    let repo = open_repo(repo_dir)
         .context("failed to open git repo")?
         .to_thread_local();
     let head_ref = repo.head_ref()?;
@@ -72,10 +72,10 @@ pub fn get_current_head_name(file: &Path) -> Result<Arc<ArcSwap<Box<str>>>> {
 }
 
 pub fn for_each_changed_file(cwd: &Path, f: impl Fn(Result<FileChange>) -> bool) -> Result<()> {
-    status(&open_repo(cwd, None)?.to_thread_local(), f)
+    status(&open_repo(cwd)?.to_thread_local(), f)
 }
 
-fn open_repo(path: &Path, ceiling_dir: Option<&Path>) -> Result<ThreadSafeRepository> {
+fn open_repo(path: &Path) -> Result<ThreadSafeRepository> {
     // custom open options
     let mut git_open_opts_map = gix::sec::trust::Mapping::<gix::open::Options>::default();
 
@@ -104,9 +104,6 @@ fn open_repo(path: &Path, ceiling_dir: Option<&Path>) -> Result<ThreadSafeReposi
     });
 
     let open_options = gix::discover::upwards::Options {
-        ceiling_dirs: ceiling_dir
-            .map(|dir| vec![dir.to_owned()])
-            .unwrap_or_default(),
         dot_git_only: true,
         ..Default::default()
     };