fix(claude): scope the pnpm allow rules to whole commands - #30196
fix(claude): scope the pnpm allow rules to whole commands#30196dennishavermans wants to merge 2 commits into
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Five permissions.allow rules end in a bare *, which does not enforce a word boundary: Bash(pnpm build*) auto-approves pnpm buildx, and Bash(pnpm --filter * test*) auto-approves pnpm --filter web testify. Measured against Claude Code 2.1.238 with a no-rule control before changing anything. Each rule becomes the measured equivalent that keeps the documented invocations auto-approved and nothing else: X:* for the bare command plus arguments, and for the --filter family an exact rule plus a space-star rule, because with a mid-rule wildcard present the :* suffix was measured to match nothing at all. build:agent gets its own rule, the one colon subscript the old wildcard actually covered at the root. Signed-off-by: Dennis Havermans <dennishvrmans@gmail.com>
📝 WalkthroughWalkthroughThe Claude permissions allowlist adds scoped build patterns and replaces broad filtered pnpm wildcards with explicit command forms. ChangesCommand permissions
Estimated code review effort: 1 (Trivial) | ~2 minutes Merge Risk: 🟠 High · up to The permission configuration still allows a filtered build pattern to approve commands containing extra operations, including an unapproved package-manager execution. This creates a concrete command-authorization risk, so the PR should not merge until the rule is constrained or equivalent validation is added. Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In @.claude/settings.json:
- Around line 57-58: Constrain the Bash permissions for the filtered build
commands so wildcard matching cannot allow arbitrary pnpm subcommands such as
exec. Update the relevant settings entries to enumerate approved package
selectors, or add a PreToolUse validation that parses and permits only the
intended pnpm filter build invocation while rejecting extra arguments and
commands.
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Linked issue
n/a - small change (agent permission configuration only)
Summary
Five
permissions.allowrules in.claude/settings.jsonend in a bare*, which does not enforce a word boundary, so each rule auto-approves more than it reads as granting:Bash(pnpm build*)also approvespnpm buildx, andBash(pnpm --filter * test*)also approvespnpm --filter web testify. This PR replaces the five rules with equivalents that keep every documented invocation auto-approved while matching only whole commands.Each replacement shape was measured against Claude Code 2.1.238 before being proposed (fixture directory, the rule under test passed via
--settings, rawstream-jsontranscripts, plus a no-rule control that confirms the baseline prompts):Bash(pnpm build*)(current)pnpm buildxBash(pnpm --filter * test*)(current)pnpm --filter web testifyBash(pnpm build:*)(new)pnpm build,pnpm build --watchBash(pnpm build:*)(new)pnpm buildxBash(pnpm --filter * test)+Bash(pnpm --filter * test *)(new)pnpm --filter web test,pnpm --filter web test --coveragepnpm --filter web testifyBash(pnpm build:agent:*)is added because the rootbuild:agentscript was previously covered bypnpm build*andX:*rules do not match colon subscripts (measured:Bash(pnpm build:*)does not approvepnpm build:contract), matching how this file already enumeratestest:packages:*besidetest:*.Testing performed
pnpm install --frozen-lockfile && pnpm build, thenpnpm typecheck && pnpm lint && pnpm test:packageson the branch: all pass (15,705 tests)Skill update
n/a - internal only (agent permission configuration; no user-facing surface)
Checklist
git commit -s) per the DCO. The DCO status check will block merge if any commit is missing aSigned-off-by:trailer.skills-contrib/contrib-pr/SKILL.md(external contribution, no Linear ticket)n/a — internal only).Notes for the reviewer
One deliberate coverage change: colon-subscript invocations under
--filter(for examplepnpm --filter integration-tests test:journeys) were previously auto-approved only through the same wildcard that approvedtestify, and will now prompt in agent sessions. They appear in CI workflows rather than agent docs, so the prompt should be rare. The obvious precise alternative,Bash(pnpm --filter * test:*), was measured to be a dead rule: with a mid-rule*present, the:*suffix matches nothing at all, not evenpnpm --filter web test:prod. If you want those invocations auto-approved, they need enumerating exactly.Found while testing a static analysis tool for agent configuration; every claim above was then verified by hand against Claude Code before this PR was opened.
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