Skip to content

🐛 Repo Watch: drop stale/unreadable worktrees (kill SCAN ERR) #210

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
arach merged 1 commit into from
Jun 6, 2026
Merged

🐛 Repo Watch: drop stale/unreadable worktrees (kill SCAN ERR) #210

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 14 additions & 2 deletions packages/runtime/src/repo-watch/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -875,7 +875,15 @@ async function scanProject(
const hints = matchedHints.length > 0 || worktree.path !== root.topLevel
? matchedHints
: root.hints;
worktrees.push(await scanWorktree(worktree, hints, git, now, options));
const scanned = await scanWorktree(worktree, hints, git, now, options);
// Drop worktrees we can't actually read — stale `git worktree list`
// registrations whose dir was deleted (ephemeral /tmp or cache builds), or
// otherwise unreadable. They surface as "SCAN ERR" noise with no signal.
if (scanned.error != null) {
warnings.push(`Repo Watch skipped unreadable worktree ${worktree.path}.`);
continue;
}
worktrees.push(scanned);
}
const stats = statsForProject(worktrees);
const attention = maxAttention(worktrees.map((worktree) => worktree.attention));
Expand Down Expand Up @@ -986,7 +994,11 @@ export async function getRepoWatchSnapshot(options: RepoWatchSnapshotOptions = {
includeLastCommit: options.includeLastCommit ?? false,
deadlineMs,
});
projects.push(result.project);
// A project whose only worktrees were unreadable (all skipped) is itself
// stale — don't surface an empty shell.
if (result.project.worktrees.length > 0) {
projects.push(result.project);
}
warnings.push(...result.warnings);
}
projects.sort((left, right) => {
Expand Down