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loop-worktree

Manage isolated git worktrees for loop engineering attempts. One worktree per fix attempt; mark it when the verifier rejects or a human escalates; sweep the discarded ones.

LOOP.md and docs/primitives.md describe this convention in prose ("one worktree per fix; discard after verifier REJECT or human escalation"). This tool is the code behind it: a shared place for worktrees to live, a manifest that tracks their status, and a reconciler that sweeps orphans.

Install & Run

npx @cobusgreyling/loop-worktree create --run-id ci-sweeper-2026-07-07-01 --pattern ci-sweeper
npx @cobusgreyling/loop-worktree list

From this repo:

cd tools/loop-worktree
npm install
npm test

Commands

loop-worktree create --run-id <id> --pattern <p> [--base main]
  # git worktree add -b loop/<id> .loop-worktrees/<id> <base>, records the manifest entry

loop-worktree mark --run-id <id> --status rejected
  # updates the manifest only (audit trail); does not delete the worktree

loop-worktree cleanup [--status rejected,escalated] [--older-than 24h] [--force]
  # git worktree remove for matching entries, then prunes them from the manifest

loop-worktree gc [--force] [--json]
  # reconciles `git worktree list` against the manifest:
  #   - on disk under .loop-worktrees/ but not in the manifest -> reported as an orphan
  #   - in the manifest but not on disk -> dropped from the manifest
  # report-only by default; --force removes orphans

loop-worktree list [--status active] [--json]

Status

An entry is one of: active, rejected, escalated, merged, stale.

cleanup sweeps rejected and escalated by default. active is never swept automatically.

Safety

  • create fails with a clear message (not a raw git error) if the directory is not a git repo, or if --run-id already has an active worktree.
  • cleanup runs git worktree remove without --force first, so git refuses to delete a worktree with uncommitted or untracked changes; that entry is reported as skipped. Pass --force only when you accept the data loss.
  • gc is report-only by default, matching the repo's convention that anything scanning broadly reports rather than acts.

Pairing with loop-context

A loop's control script that calls loop-context --check and escalates should also mark its worktree:

loop-worktree mark --run-id "$RUN_ID" --status escalated

The two tools stay independent: loop-worktree does not read the ledger, and loop-context does not know about git.

Manifest

.loop-worktrees/manifest.json (add .loop-worktrees/ to .gitignore):

{
  "version": 1,
  "worktrees": [
    {
      "id": "ci-sweeper-2026-07-07-01",
      "path": ".loop-worktrees/ci-sweeper-2026-07-07-01",
      "branch": "loop/ci-sweeper-2026-07-07-01",
      "baseBranch": "main",
      "pattern": "ci-sweeper",
      "createdAt": "2026-07-07T08:00:00.000Z",
      "status": "active"
    }
  ]
}

See docs/primitives.md for where worktrees fit in the Five Building Blocks + Memory model.