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PR comment #1910
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| --- | |
| name: PR comment | |
| on: # zizmor: ignore[dangerous-triggers] | |
| workflow_run: | |
| workflows: | |
| - PR checks | |
| types: | |
| - completed | |
| permissions: {} | |
| concurrency: | |
| group: pr-comment-${{ github.event.workflow_run.head_sha }} | |
| cancel-in-progress: true | |
| jobs: | |
| comment: | |
| name: Post PR comments | |
| runs-on: ubuntu-slim | |
| if: >- | |
| github.event.workflow_run.event == 'pull_request' && | |
| github.event.workflow_run.conclusion == 'success' | |
| permissions: | |
| pull-requests: write # create/update the PR comments produced by the check run | |
| actions: read # download the check run's artifact via the actions API | |
| steps: | |
| - name: Download comment bodies | |
| id: download | |
| continue-on-error: true | |
| uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1 | |
| with: | |
| name: pr-comments | |
| path: comments | |
| run-id: ${{ github.event.workflow_run.id }} | |
| github-token: ${{ github.token }} | |
| - name: Post comments | |
| uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const path = require('path'); | |
| const dir = 'comments'; | |
| if (!fs.existsSync(dir)) { | |
| core.info('No comment artifact found; nothing to do.'); | |
| return; | |
| } | |
| const headSha = context.payload.workflow_run.head_sha; | |
| const { owner, repo } = context.repo; | |
| const numberFile = path.join(dir, 'pr-number.txt'); | |
| if (!fs.existsSync(numberFile)) { | |
| core.info('No pr-number.txt in artifact; nothing to do.'); | |
| return; | |
| } | |
| const issue_number = Number.parseInt( | |
| fs.readFileSync(numberFile, 'utf8').trim(), | |
| 10, | |
| ); | |
| if (!Number.isInteger(issue_number) || issue_number <= 0) { | |
| core.setFailed(`Invalid PR number in artifact for ${headSha}.`); | |
| return; | |
| } | |
| // PR number from untrusted run, check that is belongs to the | |
| // triggering commit. | |
| const { data: prData } = await github.rest.pulls.get({ | |
| owner, | |
| repo, | |
| pull_number: issue_number, | |
| }); | |
| if (prData.head.sha !== headSha) { | |
| core.setFailed( | |
| `PR #${issue_number} head (${prData.head.sha}) does not match ` + | |
| `the triggering commit (${headSha}).`, | |
| ); | |
| return; | |
| } | |
| if (prData.state !== 'open') { | |
| core.info(`PR #${issue_number} is not open; nothing to do.`); | |
| return; | |
| } | |
| const allowed = /^(sbolint-|reverse-deps-|too-many-changes).*\.md$/; | |
| const files = fs | |
| .readdirSync(dir) | |
| .filter((f) => allowed.test(f)) | |
| .slice(0, 50); | |
| const existing = await github.paginate( | |
| github.rest.issues.listComments, | |
| { owner, repo, issue_number, per_page: 100 }, | |
| ); | |
| for (const file of files) { | |
| const body = fs.readFileSync(path.join(dir, file), 'utf8'); | |
| const match = body.match(/<!-- (ci:[^\n>]+) -->/); | |
| if (!match) { | |
| core.warning(`No marker in ${file}; skipping.`); | |
| continue; | |
| } | |
| const marker = `<!-- ${match[1]} -->`; | |
| const found = existing.find((c) => (c.body || '').includes(marker)); | |
| if (found) { | |
| await github.rest.issues.updateComment({ | |
| owner, | |
| repo, | |
| comment_id: found.id, | |
| body, | |
| }); | |
| } else { | |
| await github.rest.issues.createComment({ | |
| owner, | |
| repo, | |
| issue_number, | |
| body, | |
| }); | |
| } | |
| } |