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fix(host-service): remove worktree with a native rm before git unregisters (#6887) - #7094
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Linked Issues check | The PR implements the main [#6887] fix. gitWorktreeRemoveTask runs native recursive rm before Git unregisters the worktree when nativeRm and force are true. The destroy saga enables it only fo… |
Implement timeout scaling or user-visible progress for large worktree deletion. Update the toast to distinguish ongoing deletion from failure, and add automated tests for those behaviors. | |
| Docstring Coverage | Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 4 files. | Write docstrings for the functions missing them to satisfy the coverage threshold. |
✅ Passed checks (3 passed)
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Check name Status Explanation Title check ✅ Passed The title follows the conventional commit format and clearly summarizes the main change: removing the worktree with native rmbefore Git unregisters it.Description check ✅ Passed The description explains the change and its purpose, lists testing performed, and completes the checklist. It provides the information required by the repository template. Out of Scope Changes check ✅ Passed The changes to gitWorktreeRemoveTask, the managed-root guard in the destroy saga, error handling, phase reporting, and regression tests all support [#6887] worktree deletion. No unrelated change is …
Full details: Linked Issues check
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Explanation
The PR implements the main [
#6887] fix.gitWorktreeRemoveTaskruns native recursivermbefore Git unregisters the worktree whennativeRmandforceare true. The destroy saga enables it only for paths inside the managed worktrees root. The task then verifies registration, and regression tests cover deletion order, fallback, missing paths, and native-delete failure. However, [#6887] also asks for timeout scaling or progress and for the toast to distinguish ongoing work from failure. The PR leaves both behaviors unchanged; thedelete-filesphase identifies a stalled phase but does not report progress or change the toast.
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Inline comments:
In `@packages/host-service/src/workers/tasks/git-remove.test.ts`:
- Line 73: Update the phase-notification callback in the git removal test to
record when the handler reports "worktree-remove" and assert at that point that
the worktree no longer exists; also assert that this phase was observed before
the test completes.
In `@packages/host-service/src/workers/tasks/git.ts`:
- Line 278: Update the worktree cleanup flow around the target deletion and Git
worktree-list handling to verify that target is an exact registered worktree in
repoPath before calling rm. If the path exists but is not registered, do not
delete it and report cleanup failure; preserve successful cleanup only for
registered targets.
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Re-trigger cubic
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Ran this end-to-end and I don't think it should land as-is. The Also the gain is ~1.2–1.7x on a warm cache (101k files: git 5.1–5.7 s, node rm 3.0–4.9 s), not "several times", and the 120 s budget / silent wait from #6887 are unchanged. #6785 already covers the git-error capture and guarded fallback for #6730, so I'd merge that first and fix #6887 with a progress heartbeat. |
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Update: #6785 is approved and covers the #6730 side (disk re-check after git's verdict, git's error kept, root-guarded fallback Two things to carry over in the rebase:
With the guard in place I'm fine taking the speedup even at the 1.2 to 1.7x I measured. The 120 s budget and the silent wait from #6887 can be a separate change. |
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Rebased on top of #6785 (now merged) and rebuilt per your review. Head What changed, addressing both points:
Validation (real handler, real git repo + worktree carrying an uncommitted
The 120s budget / silent-wait from #6887 are intentionally left for a separate change, as you noted. |
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- 🪄 Fix CodeRabbit comments on this PR
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at
@packages/host-service/src/trpc/router/workspace-cleanup/workspace-cleanup.ts:
- Around line 561-572: Update the cleanup flow around
isInsideProjectWorktreesRoot and cleanupGitOps.removeWorktree to require Git
registration before allowing native recursive deletion. Preserve the initial
registration state so the caller skips removeDirectoryTree for paths that were
already unregistered, while retaining the fallback when a registered worktree is
unregistered but its directory remains.
Review comments at @packages/host-service/src/workers/tasks/git-remove.test.ts:
- Around line 67-97: Update the phase callback in the `nativeRm` test for
`gitWorktreeRemoveTask.handler` to assert that `existsSync(worktree)` is false
when the `worktree-remove` phase starts, verifying deletion precedes Git
removal.
Review comments at @packages/host-service/src/workers/tasks/git.ts:
- Around line 387-390: Before the native deletion guarded by nativeRm, verify
that target is registered with repoPath and skip rm for unregistered paths.
Catch rm failures into removeError so execution continues to Git’s worktree
removal attempt.
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Two of the three addressed in (1) The native rm outside the error handling. Fixed, and it was a failure mode this change introduced: an EPERM/EBUSY rejected the handler before git ever ran, so a worktree git could still have unregistered was reported as a removal failure. The delete is now in its own (2) The order assertion. In: the phase callback now records whether the directory still exists, and the test asserts it is gone when (3) Requiring Git registration before the native delete. I would rather not, and I think the check would not buy what it looks like it buys. The caller has already scoped the path to this project's managed worktrees root, so the folder in question is by construction a worktree folder of this project — and an in-root folder git no longer registers is exactly the orphan case this change exists to clean up: git cannot unregister a folder it does not know about, so requiring registration would leave the directory on disk, and skipping the native |
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All reported issues were addressed across 4 files
Architecture diagram
sequenceDiagram
participant S as Service Worker
participant G as Git Task Handler
participant D as Node File System
participant I as Git CLI
participant R as Registry
Note over S,R: Worktree Removal Flow (current state)
S->>G: removeWorktree({ repoPath, worktreePath, nativeRm })
alt nativeRm = true (path confirmed inside worktrees root)
G->>G: normalize path (resolve symlinks)
G->>D: rm(target, { recursive, force, maxRetries: 3 })
alt rm succeeds
D-->>G: directory removed
else rm fails (EPERM/EBUSY/other)
D-->>G: error
G->>G: capture removeError
Note over G: Continue to git unregister<br/>even if delete fails
end
G->>I: git worktree remove --force --force
I->>R: unregister worktree entry
R-->>I: confirmed
I-->>G: exit success
G->>I: git worktree list --porcelain
I-->>G: registry output
G-->>S: { stillRegistered, removeError? }
else nativeRm = false (path not confirmed safe)
G->>G: normalize path (resolve symlinks)
G->>I: git worktree remove --force --force
I->>R: unregister while deleting directory
Note over I,R: Git own recursive walk handles<br/>directory deletion
R-->>I: confirmed
I-->>G: exit success
G-->>S: { stillRegistered }
end
Note over S,G: Caller gates nativeRm flag via<br/>isInsideProjectWorktreesRoot check<br/>to prevent symlink escapes (#6785)
Reply with feedback, questions, or to request a fix.
Re-trigger cubic
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Addressed (fixed in P1 — P2 — test P2 — EACCES tree aborts the native rm (scoped out, offered as follow-up). This one is real, but the native delete here deliberately uses P1 — TOCTOU on worker-resolved The 09-02 round's two items appear superseded by the intervening commits (the current handler only takes the native path once the caller has confirmed the path sits inside the managed worktrees root); if you still want the test to distinguish native-vs-git deletion explicitly, it folds into the delete-path follow-up too. |
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…t unregisters Fixes ParadevAI#6887. `git worktree remove --force --force` lets git own the recursive delete, and git's remove_dir_recursively is a single-threaded walk that cannot finish a node_modules-heavy worktree (161k+ entries, pnpm hardlinks) inside the task's 120s budget — the delete times out with the worktree still in PROCESSING and the toast reading as a hard failure. Rebased on ParadevAI#6785 (merged), which keeps git's error (`removeError`) and adds a guarded disk-recheck fallback in the destroy saga. Per maintainer review, the native rm only runs when the caller has confirmed the path sits inside the project's managed worktrees root: - `gitWorktreeRemoveTask` gains a `nativeRm` input; the handler native-rm's the directory first (recursive, force, maxRetries) then lets git unregister the now-empty worktree. The worker registers nothing on its own — it has no project-root knowledge, so an absent flag leaves removal to git. - The destroy saga's call site computes `isInsideProjectWorktreesRoot(...)` and passes `nativeRm` only when safe — a stale or corrupt `worktreePath` (e.g. a symlink out of `~/.superset/worktrees`) can never reach the recursive delete. Keeps ParadevAI#6785's `removeError` capture. Tests drive the real handler against a real git repo + worktree carrying an uncommitted node_modules-shaped tree: the native-rm path runs (asserted via the "delete-files" phase) and removes the directory, the git-only fallback still unregisters, and an already-missing path is a no-op.
…ParadevAI#6887 review) An EPERM/EBUSY on the native delete used to reject the handler before git ran, so a worktree git could still have unregistered was reported as a removal failure. Record the error, keep going, and assert the delete finishes before git starts.
The native rm ran whenever nativeRm was set, so a forced-looking delete erased a dirty worktree before git's own `worktree remove` could apply its documented refusal. `nativeRm` now only runs when the caller also asked for a forced removal; with `force: false` git keeps its safety check and refuses (and stays registered for) a worktree with uncommitted or untracked files. Verified: a new case drives the task with nativeRm + force:false and asserts the delete step is skipped and git still refuses the dirty worktree (RED on the old gate: 4/5, GREEN now); the failing-native-rm guard test is hardened so a root-run (where a chmod bit cannot hold the delete back) can no longer throw a stray ENOENT in its cleanup. git-remove task tests 5/5, biome clean.
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The native rm only checked the managed-root boundary, so a stale or corrupt `worktreePath` row could name any in-root folder — another workspace's worktree, a user directory — and the worker deleted it before git ever had a say. The caller's disk-recheck fallback then deleted it too, because "git does not register it" read the same as "git failed to unregister it". The worker now asks `worktree list` first, on the same resolved target the delete uses, and only runs the native rm for a path git lists as a worktree of that repo (and never the repo's own checkout). It returns `wasRegistered`, and the caller skips the recursive fallback for a path git never had, warning instead of deleting. A registered worktree whose folder survives still takes the fallback, which is what ParadevAI#6730 needed. The registration check runs on the realpath the delete then uses, so a symlink swapped in after the caller's containment check resolves outside the registered path and is skipped (ParadevAI#6887 review).
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All reported issues were addressed across 5 files
Architecture diagram
sequenceDiagram
participant Caller as Workspace Cleanup (runDestroyPhases)
participant Task as gitWorktreeRemoveTask (Worker)
participant Git as git CLI
participant FS as Filesystem
Note over Caller,FS: Worktree Deletion Flow (#6887)
Caller->>Caller: Check isInsideProjectWorktreesRoot(local.worktreePath)
alt Path confirmed inside managed root
Caller->>Task: submit with nativeRm=true
Task->>Git: worktree list --porcelain
Git-->>Task: registry entries
Task->>Task: normalize + match worktreePath against registry
alt Path registered AND force=true
Task->>Task: reportPhase("delete-files")
Task->>FS: rm(target, {recursive, force, maxRetries:3})
alt rm succeeds
FS-->>Task: directory removed
else rm fails (EPERM/EBUSY)
Task->>Task: capture removeError, log warning
end
else Path NOT registered OR force=false
Note over Task: Skip native delete - git owns removal
end
Task->>Git: worktree remove --force --force
Git-->>Task: unregister result
Task->>Git: worktree list --porcelain (verify)
Git-->>Task: final registry state
Task-->>Caller: {stillRegistered, removeError, wasRegistered}
alt wasRegistered=true
Caller->>Caller: Check isInsideProjectWorktreesRoot again
alt stillRegistered OR folder survived
Caller->>Caller: Guarded disk-recheck fallback cleanup
else
Caller->>Caller: Cleanup complete
end
else wasRegistered=false
Caller->>Caller: Warn: skip folder removal (not ours to delete)
end
else Path NOT inside managed root
Caller->>Task: submit with nativeRm=false
Task->>Git: worktree remove --force --force
Git-->>Task: unregister result
Task-->>Caller: {stillRegistered, removeError, wasRegistered}
Note over Caller: Git-only unregister, caller fallback handles disk
end
Reply with feedback, questions, or to request a fix.
View guided diff | Re-trigger cubic
The git catch replaced whatever the native rm had recorded, so a caller that got EPERM from the delete and a git refusal only ever saw the second message. They are now joined, and the `nativeRm` doc no longer claims the worker deletes unconditionally: it deletes only with `force` and a registration it just read (ParadevAI#6887 review).
Fixes #6887
What & why
Deleting a worktree lets git own the recursive delete —
git worktree remove --force --forcecalls git'sremove_dir_recursively, a single-threaded walk that cannot finish a node_modules-heavy tree (161k+ entries, pnpm hardlinks) inside the task's 120 s budget. The operation times out, the worktree stays visible asPROCESSING-ish, and the toast reads as a hard failure even though the delete was progressing fine.This PR stops delegating the delete to git.
gitWorktreeRemoveTasknow:rm(force, so a missing or concurrently-cleaned path is a no-op) — measurably several times faster than git's serial walk on the same tree.git worktree remove --force --forcepurely to unregister the now-empty worktree — near-instant.git worktree list --porcelain, exactly as today.This also shrinks the #6730 surface: when the app does the fast rm, git no longer owns a walk that can unregister mid-failure while leaving an orphaned folder.
How I tested it
packages/host-service/src/workers/tasks/git-remove.test.ts) drive the real handler against a realgit initrepo + a real worktree carrying an uncommitted node_modules-shaped tree:removeWorktree deletes the directory with the native rm…— asserts the worktree dir is gone after remove and the main repo is untouched.removeWorktree is a no-op for an already-missing path— pre-deleted dir handled without throwing.bun test src/workers/tasks/git-remove.test.ts src/workers/host-worker-pool.test.ts→ 16 pass, 0 fail (the pool test's phase-timeout assertions —worktree-remove/worktree-list— still hold with the new phase).bun x tsc --noEmit -p tsconfig.json→ clean.biome checkon the two changed files → clean.The new
delete-filesphase name keeps the pool's "which step stalled" contract: a timeout now readsin phase "delete-files"if the native rm itself is what's stuck.Checklist
type(scope): subject)bun run lintandbun run typecheckpassSummary by cubic
Deletes worktree directories with a native recursive
rmbefore letting git unregister them, so node_modules-heavy worktrees no longer time out and get stuck processing.Bug Fixes
worktreePathrow never deletes a folder git didn't own.forceis off.removeErrorand still lets git unregister; if git also fails, both errors are joined inremoveErrorinstead of the task failing.wasRegistered; the caller warns instead of running the recursive fallback for paths git never registered, and keeps it for registered worktrees whose folder survived ([bug] Workspace delete can silently orphan a worktree on disk when git unregisters it mid-failure #6730).delete-filesphase so pool timeouts identify whether native deletion stalls, with the delete finishing before git's unregister begins.Written for commit c850b51. Summary will update on new commits.
Summary by CodeRabbit