Remove stale tarballs in build_sandbox via enumerated cleanup (Fixes #3334)

[acoliver]

TLDR

scripts/build_sandbox.ts cleared the previous tarball before each npm pack with rmSync(join(pkgDir, 'dist', '<prefix>-*.tgz'), { force: true }). node:fs does no glob expansion, so the wildcard was looked up as a literal filename, matched nothing, and force: true swallowed the ENOENT. Cleanup was a silent no-op at all 12 call sites. After a version bump the stale tarball stayed in packages/<pkg>/dist/, the Dockerfile COPY ... *.tgz glob picked up both versions, and the single npm install -g transaction resolved between them.

This PR adds scripts/utils/tarball-cleanup.ts, exporting removeTarballs(distDir, prefix): it enumerates the dist directory, removes every entry matching <prefix>-*.tgz by concrete path, tolerates a missing dist dir (parity with the old force: true no-op on fresh checkouts, --skip-npm-install-build), and rethrows any other read error. All 12 call sites now use it. Reviewers: the scripts/build_sandbox.ts diff is exactly one import plus the 12 cleanup expressions; pack order, chmod flow, bind-release-deps backup/restore, and buildImage are untouched.

fixes #3334

Dive Deeper

• Prefix matching is startsWith(${prefix}-) && endsWith('.tgz'), so vybestack-llxprt-code-core cannot match a hypothetical vybestack-llxprt-code-corex-... tarball. Each package cleans only its own dist directory.
• The helper reuses isErrnoException from scripts/utils/error-guards.ts; only ENOENT is tolerated, so a broken workspace layout (e.g. ENOTDIR) fails the build instead of hiding.
• Out of scope, noted for follow-up: .github/workflows/build-sandbox.yml "Pack npm packages" runs 9 npm pack commands with no stale-tarball cleanup at all, same defect class. The issue text also mentions zed-acp; no such path exists on main (it originated from Move the Zed ACP integration into a peer client package (Fixes #3306) #3332). The Dockerfile COPY globs themselves are correct because Docker expands them; the bug was only the fs-level glob.
• Regression coverage: behavioral test with real temp dirs (stale core-0.0.1.tgz removed alongside a newer version, other-package tarballs / corex prefix boundary / non-tarball files preserved, empty dist no-op, missing dist no-op, ENOTDIR propagation), plus a source guard in release-process.test.ts asserting build_sandbox.ts uses removeTarballs( and contains no -*.tgz literal. Both fail against pre-fix code (verified: HEAD has 12 glob literals, 0 helper references).

Reviewer Test Plan

bun test --preload ./scripts/tests/storage-isolation-guard.ts --preload ./scripts/tests/test-setup.ts \
  scripts/tests/build-sandbox-tarball-cleanup.test.ts scripts/tests/release-process.test.ts

25 pass / 0 fail. For an end-to-end check on a machine with podman: build a package, bump its version, run bun scripts/build_sandbox.ts --skip-npm-install-build twice and confirm only the current-version tarball remains in each packages/<pkg>/dist/.

Testing Matrix

	🍏	🪟	🐧
npm run	✅	❓	❓
npx	✅	❓	❓
Docker	❓	❓	❓
Podman	❓	-	-
Seatbelt	❓	-	-

macOS verification: targeted tests above, full scripts-tests root (270/270 files), npm run build, npm run typecheck, scoped eslint + prettier + guard scripts on the touched files, test-audit scan (0 findings). CLI smoke test was blocked by an account-level API error (400 you have no active step plan subscription, stepfun-37 profile, twice); the CLI startup path itself worked up to the API call and the change touches no runtime code. Windows/Linux and container runs are left to CI.

Linked issues / bugs

Fixes #3334

Summary by CodeRabbit

• Bug Fixes

  • Improved cleanup of stale package archives during sandbox builds.
  • Ensured cleanup covers all sandbox packages, including the CLI package.
  • Preserved unrelated files and handled missing output directories safely.
  • Improved handling of archive removal during filesystem changes.

• Tests

  • Added coverage for archive removal, boundary cases, empty or missing directories, and filesystem errors.
  • Added regression checks to prevent stale archives from affecting release builds.

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📝 Walkthrough

Walkthrough

The change replaces ineffective tarball glob deletion with shared directory enumeration. Sandbox packaging now removes matching archives before npm pack, with tests for matching, preservation, missing directories, and filesystem errors.

Changes

Sandbox tarball cleanup

Layer / File(s)	Summary
Tarball cleanup utility and validation scripts/utils/tarball-cleanup.ts, scripts/tests/build-sandbox-tarball-cleanup.test.ts	Adds removeTarballs to remove matching versioned .tgz files, preserve unrelated files, handle missing directories, and propagate other filesystem errors.
Sandbox packaging integration scripts/build_sandbox.ts, scripts/tests/release-process.test.ts	Uses removeTarballs before each package is packed and verifies that glob-based rmSync deletion is not used.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to fc11e

The PR replaces ineffective wildcard cleanup with explicit removal of stale package tarballs, preventing multiple versions from being included in sandbox builds. No actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 4 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	The changes satisfy issue #3334. They replace all 12 wildcard rmSync call sites with shared enumerated cleanup, remove stale package tarballs, preserve unrelated files, tolerate missing directories, p…
Out of Scope Changes check	✅ Passed	The changes remain within the linked issue scope. The helper, build_sandbox.ts call-site updates, and regression tests directly support stale tarball cleanup. The workflow defect is documented as foll…
Title check	✅ Passed	The title clearly identifies the stale tarball cleanup change in build_sandbox and references the related issue.
Description check	✅ Passed	The description covers the change, implementation details, test plan, testing results, known limitations, and linked issue. The incomplete platform matrix is explained as work left to CI.

Full details: Linked Issues check

Explanation

The changes satisfy issue #3334. They replace all 12 wildcard rmSync call sites with shared enumerated cleanup, remove stale package tarballs, preserve unrelated files, tolerate missing directories, propagate unexpected filesystem errors, and add regression tests.

Full details: Out of Scope Changes check

Explanation

The changes remain within the linked issue scope. The helper, build_sandbox.ts call-site updates, and regression tests directly support stale tarball cleanup. The workflow defect is documented as follow-up work and is not modified.

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• Create PR with unit tests
• Commit unit tests in branch issue3334

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[github-actions]

Walkthrough

Before this PR, scripts/build_sandbox.ts removed stale package tarballs with rmSync(..., { force: true }) calls that used literal glob patterns such as vybestack-llxprt-code-*.tgz. On Node, that pattern does not expand the way the script assumed, so stale tarballs could survive between npm pack runs and pollute the sandbox image. After this PR, the cleanup is centralized in a shared removeTarballs helper that explicitly enumerates the expected tarballs for each workspace package and removes only those files. build_sandbox.ts now calls that helper instead of relying on ineffective glob-based removal, making stale-tarball cleanup deterministic and safer.

Release Notes

Bug Fixes

• Fixes stale tarball cleanup in build_sandbox by replacing ineffective literal-glob rmSync calls with enumerated removal, preventing leftover *.tgz files from persisting across pack runs.

Refactor

• Introduces a shared tarball cleanup helper and wires scripts/build_sandbox.ts to use it, removing duplicated cleanup logic and making tarball removal behavior consistent.

Tests

• Adds regression tests for sandbox tarball cleanup behavior, covering enumerated removal, preservation of unrelated files, safe handling of missing or empty dist directories, and guarding against reintroducing literal glob patterns.
• Updates release-process tests to keep coverage aligned with the new cleanup path.

Documentation

• Documents the root cause, acceptance criteria, design choices, verification steps, and scope limits for the stale-tarball cleanup fix in the issue plan.

Changes

Layer	File(s)	Summary
core	scripts/build_sandbox.ts, scripts/utils/tarball-cleanup.ts	Implements centralized stale tarball cleanup by introducing a shared removeTarballs helper and wiring build_sandbox to use it instead of ineffective glob-based rmSync calls.
tests	scripts/tests/build-sandbox-tarball-cleanup.test.ts, scripts/tests/release-process.test.ts	Adds regression coverage for tarball cleanup behavior, verifying enumerated removal, preservation of unrelated files, safe handling of missing/empty dist directories, and guarding against reintroducing literal glob patterns.
docs	project-plans/issue3334/PLAN.md	Documents the root cause, acceptance criteria, design choices, verification steps, and scope limits for the stale-tarball cleanup fix.

Magnitude

🎯 1 (S)
336 additions, 42 deletions, 5 changed files across 0 packages, 1 acceptance criterion

Related

• build_sandbox.ts uses rmSync with a glob, so stale package tarballs are never deleted #3334: directly fixed by this PR, which introduces removeTarballs to replace ineffective rmSync glob cleanup in build_sandbox.ts
• Move the Zed ACP integration into a peer client package (Fixes #3306) #3332: where the stale-tarball bug was discovered during Zed ACP peer-package migration, adding the twelfth build_sandbox.ts call site and deferring the cleanup fix
• Move the Zed ACP integration out of packages/cli into a peer client package #3306: parent issue for Move the Zed ACP integration into a peer client package (Fixes #3306) #3332, indirectly related because the Zed ACP packaging work exposed the tarball cleanup defect that this PR resolves

Pre-merge Checks

Check	Status	Note
Title	✅	Clear and descriptive; states the mechanism (enumerated cleanup), the affected script (build_sandbox), and references the issue being fixed.
Description	✅	Contains all required template sections: TLDR, Dive Deeper, Reviewer Test Plan, Testing Matrix, and Linked issues / bugs.
Linked Issues	✅	Fulfills #3334 acceptance criteria: introduces a shared removeTarballs helper that enumerates dist entries and removes matching tarballs by concrete path, updates all 12 call sites in scripts/build_sandbox.ts, and adds regression coverage (behavioral test for the helper plus a source guard in release-process.test.ts asserting build_sandbox uses the helper instead of literal globs).
Out of Scope	—	The PR correctly notes that .github/workflows/build-sandbox.yml contains 9 npm pack commands with the same stale-tarball defect class but is deferred to follow-up. The issue text mentions zed-acp, which does not exist on main and originated from #3332.

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OpenCodeReview — PR #3366

• Reviewed head SHA: d3c921e004cb8bebe6f99fe4f6cd296c40102de8
• Merge base: c48987421f1dcdc527fce4b47e3d56d8260f67d8
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Inline comments:
In `@scripts/tests/build-sandbox-tarball-cleanup.test.ts`:
- Around line 111-118: Update the permission-failure test around removeTarballs
to deterministically inject or mock the underlying removal operation so it
throws, rather than relying on chmodSync permissions. Remove the POSIX-specific
chmodSync setup and preserve the assertion that removeTarballs propagates the
injected failure across platforms.

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• scripts/utils/tarball-cleanup.ts

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[acoliver]

Addressed the CodeRabbit finding on the removal-failure test (https://github.com/vybestack/llxprt-code/pull/3366/files#discussion-r0): instead of chmodSync(distDir, 0o555) (root can still unlink; Windows lacks POSIX directory bits), the test now creates a directory named vybestack-llxprt-code-core-0.11.0.tgz inside the fixture dist dir. The non-recursive rmSync on a directory fails with EISDIR on every platform and for any uid, so the non-ENOENT propagation path is exercised deterministically with no mocks (fc11e9c). All 26 tests in the two touched files pass; prettier/eslint/tsc clean.