Add legal boilerplate validation for external contributors #145
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Co-authored-by: vaind <[email protected]>
Co-authored-by: vaind <[email protected]>
Copilot
AI
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[WIP] Optionally verify presence of required legal notices in PR descriptions
Add legal boilerplate validation for external contributors
Jan 27, 2026
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@copilot as usual, this needs tests... |
Co-authored-by: vaind <[email protected]>
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- Fix fileContents bug: check for non-empty string instead of catching exceptions - Use author_association field instead of org membership API for reliability - Validate boilerplate content (min 50 chars) not just header presence - Merge tests into dangerfile-utils.test.js following existing patterns - Remove unnecessary undefined arguments from fail() calls All 35 tests pass (20 existing + 15 legal boilerplate tests) Co-authored-by: vaind <[email protected]>
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…ry length Replace arbitrary 50-character check with actual content comparison. Now validates that the exact legal boilerplate from the template is present in the PR description by normalizing whitespace and comparing content. Simplified logic removes unnecessary complexity and ensures the actual legal text stays intact, not just that something exists. Co-authored-by: vaind <[email protected]>
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Extract checkLegalBoilerplate() from dangerfile.js into dangerfile-utils.js
with dependency injection (accepts { danger, fail, markdown } as parameters)
so the orchestration logic can be tested without the DangerJS runtime.
Adds 19 tests covering author association filtering, template discovery,
missing/mismatched boilerplate detection, success cases, and markdown output.
Co-Authored-By: Claude Opus 4.5 <[email protected]>
Extract findPRTemplate helper and named constants (INTERNAL_ASSOCIATIONS, PR_TEMPLATE_PATHS). Simplify extractLegalBoilerplateSection using findIndex. Inline checkLegalBoilerplate call in checkAll, removing the wrapper function. Derive test LEGAL_TEXT from the template constant to prevent drift. Co-Authored-By: Claude Opus 4.5 <[email protected]>
Extract normalizeWhitespace, findPRTemplate, and formatBoilerplateHint to module scope for reuse and top-down readability. Deduplicate markdown hint construction across missing/mismatch error paths. Nest integration tests and their helpers inside the top-level describe block. Co-Authored-By: Claude Opus 4.5 <[email protected]>
The test command and Node version requirement were only documented in CI workflow YAML, making it hard for new contributors to discover how to run tests locally. Co-Authored-By: Claude Opus 4.5 <[email protected]>
These helpers were extracted in the previous refactor but lacked direct unit tests, relying only on indirect coverage through the integration tests. Co-Authored-By: Claude Opus 4.5 <[email protected]>
Add debug log of the actual author_association value before the internal/external check, making it easier to troubleshoot unexpected association values. Also normalize comment style to /// to match the rest of the file. Co-Authored-By: Claude Opus 4.5 <[email protected]>
Co-Authored-By: Claude Opus 4.5 <[email protected]>
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@sentry review |
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Summary
Add a DangerJS check that validates the presence of the required legal boilerplate in PR descriptions from external contributors.
When a repository's PR template contains a "Legal Boilerplate" section, the check:
author_association)The check is automatically opt-in: repositories without a "Legal Boilerplate" section in their PR template are unaffected.
Known limitation:
author_associationreliabilityThe check uses the GitHub API's
author_associationfield to distinguish internal vs. external contributors. This field is known to be unreliable when an org member has their organization membership visibility set to "Private" (which is the default). In that case,author_associationmay returnNONEorCONTRIBUTORinstead ofMEMBER, causing false positives for internal contributors.A more reliable alternative would be to query the org membership API directly (
GET /orgs/{org}/members/{username}), but that requiresread:orgscope and an extra API call per run. The current approach is a pragmatic starting point — if false positives become a problem, we can switch to the API-based check.See: community discussion #18690, actions/github-script #643
Changes
dangerfile-utils.js: AddextractLegalBoilerplateSection,normalizeWhitespace,findPRTemplate,formatBoilerplateHint, andcheckLegalBoilerplatedangerfile.js: WirecheckLegalBoilerplateintocheckAll()dangerfile-utils.test.js: Add comprehensive tests (~40 cases) covering section extraction, whitespace normalization, hint formatting, and the full orchestration flowREADME.md: Document the new checkCONTRIBUTING.md: Add test runner instructionsFixes #144