Function pruneMergedWorktrees

engine/src/kild/worktree.ts:168–177

(
  repo: string,
  keep: Set<string> = new Set(),
)

    throw err;
  }
  return attached;
}

export async function listWorktrees(repo: string): Promise<Worktree[]> {
  const { stdout } = await execFile('git', ['-C', repo, 'worktree', 'list', '--porcelain']);
  const trees: Worktree[] = [];
  let cur: Partial<Worktree> = {};
  const push = () => {
    if (!cur.path) return;
    const branch = cur.branch ?? '(detached)';
    trees.push({
      path: cur.path,
      branch,