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fix: resume no longer clears worktrees

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This commit is contained in:
Michael Freno
2026-07-22 23:30:31 -04:00
parent 6dcbd064a6
commit a0973ae1d2
2 changed files with 34 additions and 14 deletions
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39
src/worktree.ts
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@@ -153,28 +153,41 @@ export function createWorktree(
): WorktreeHandle | null {
if (!isGitRepo(mainDir)) return null;
const ref = baseRef ?? getGitHead(mainDir);
if (!ref) return null;
const safeId = safeBranchSuffix(taskId);
const slug = taskTitle ? slugifyTitle(taskTitle) : "";
const branch = slug || `ralpi/${prdKey}/${safeId}`;
const wtDir = worktreePath(mainDir, stateDir, prdKey, taskId);
// Prune metadata for worktree directories that no longer exist on disk
// (e.g. from a crashed previous run that left stale `.git/worktrees/` entries).
git("worktree prune", mainDir);
// ── Reuse an already-registered worktree (resume) ──
// A resumed loop skips `cleanupStaleWorktrees`, so the interrupted task's
// worktree — and the branch carrying its committed work — survives. Reuse
// it instead of destroying and recreating from the base ref; otherwise the
// prior session's commits are lost and the task restarts from scratch.
const existing = git(`worktree list --porcelain`, mainDir);
if (existing && existing.includes(`worktree ${wtDir}`)) {
// The worktree is registered — sanity-check it's a valid checkout.
if (getGitHead(wtDir)) {
return { dir: wtDir, branch, mainDir };
}
// Registered but broken (dir gone / checkout corrupt) — drop its
// metadata and fall through to fresh creation below.
git(`worktree remove --force "${wtDir}"`, mainDir);
}
// Fresh creation.
const ref = baseRef ?? getGitHead(mainDir);
if (!ref) return null;
// Ensure the parent directory exists so `git worktree add` can create
// the worktree directory inside it.
ensureDir(path.dirname(wtDir));
// Remove a stale worktree directory if one exists (e.g. from a crashed
// previous run). `git worktree add` fails if the path already exists.
// We prune first to clean up any metadata for removed-but-not-pruned dirs.
git("worktree prune", mainDir);
const existing = git(`worktree list --porcelain`, mainDir);
if (existing && existing.includes(`worktree ${wtDir}`)) {
// A worktree at this path is already registered — remove it.
git(`worktree remove --force "${wtDir}"`, mainDir);
}
// Also delete a stale branch if it exists from a previous run.
// Delete a stale branch if it exists from a previous run so `-b` doesn't
// fail on the new worktree.
git(`branch -D "${branch}"`, mainDir);
const result = gitRaw(