wehub-resource-sync
55 lines
2.4 KiB
YAML
55 lines
2.4 KiB
YAML
name: External PR Scope Guard
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# Advisory check that surfaces what a NON-MEMBER pull request may change.
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# Members (write/admin) and the repo's own automation bot (bump SHA PRs) are unrestricted and
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# skip this check. For a non-member PR this fails unless the PR is an in-scope external
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# contribution per .github/scripts/external-pr-scope.js: it changes ONLY
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# .claude-plugin/marketplace.json, the delta is additions-only (no existing entry modified or
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# removed), and every ADDED entry's source.url is a repo that ALREADY backs a live plugin in
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# this marketplace (the allowed set is derived from the live marketplace — there is no
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# maintained allowlist).
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#
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# Do NOT add this job to branch protection as a required status check. The merge gate is the
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# `validate` + `scan` checks plus a maintainer approval; this guard is advisory signal for the
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# reviewer, not a hard gate. (Making it required would block the no-approval bump-merge path.)
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#
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# Security: runs on pull_request_target but checks out only the BASE repo (trusted) for the
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# shared script; the head marketplace.json is fetched as DATA via the API and parsed, never executed.
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on:
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pull_request_target:
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types: [opened, synchronize, reopened]
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permissions:
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contents: read
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pull-requests: read
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jobs:
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scope-guard:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4 # base repo (trusted)
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- uses: actions/github-script@v7
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with:
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script: |
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const { evaluate, isExemptAuthor } = require(`${process.env.GITHUB_WORKSPACE}/.github/scripts/external-pr-scope.js`);
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// Members (write/admin) and the repo's own automation bot (bump SHA PRs) are
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// unrestricted; only genuinely external contributions are scope-checked.
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const ex = await isExemptAuthor({ github, context });
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if (ex.exempt) {
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console.log(`${ex.reason} — scope guard not applicable.`);
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return;
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}
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const result = await evaluate({ github, context });
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if (!result.ok) {
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core.setFailed(
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`Scope guard: a non-member PR may only ADD marketplace.json entries whose source repo already backs a live plugin here.\n - ` +
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result.problems.join('\n - ')
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);
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return;
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}
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console.log(`Scope guard passed: adds ${result.added.join(', ') || 'none'}, all from repos already live here.`);
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