Post CI results #3163
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| name: Post CI results | |
| # Triggered after "Build and test" completes. Runs in the context of the base | |
| # branch (not the PR branch), which grants pull-requests: write permission. | |
| # This is the GitHub-recommended pattern for safely posting PR comments from CI: | |
| # https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#workflow_run | |
| on: | |
| workflow_run: | |
| workflows: ['Build and test'] | |
| types: [completed] | |
| jobs: | |
| post-comment: | |
| name: Post test results to PR | |
| runs-on: ubuntu-latest | |
| # Only comment on PR-triggered runs, not direct branch pushes | |
| if: github.event.workflow_run.event == 'pull_request' | |
| permissions: | |
| pull-requests: write | |
| actions: read # required to download artifacts from the triggering run | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4 | |
| # Resolve the PR number from the workflow_run event. | |
| # For PRs within the same repo, pull_requests[] is populated directly. | |
| # For fork PRs it is empty, so we fall back to searching by head branch. | |
| - name: Get PR number | |
| id: get-pr | |
| uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7 | |
| with: | |
| script: | | |
| const run = context.payload.workflow_run; | |
| const prs = run.pull_requests; | |
| if (prs && prs.length > 0) { | |
| core.setOutput('pr_number', String(prs[0].number)); | |
| return; | |
| } | |
| // Fork PR fallback: match by owner:branch | |
| const { data } = await github.rest.pulls.list({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| state: 'open', | |
| head: `${run.head_repository.owner.login}:${run.head_branch}`, | |
| }); | |
| core.setOutput('pr_number', data[0] ? String(data[0].number) : ''); | |
| - name: Download unit test JUnit artifacts | |
| if: github.event.workflow_run.conclusion == 'failure' && steps.get-pr.outputs.pr_number != '' | |
| uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4 | |
| with: | |
| # Matches junit-jest-group1-Linux, junit-jest-group2-Windows, etc. | |
| # Each artifact lands in its own subdirectory; the script recurses into all of them. | |
| pattern: junit-jest-group* | |
| path: downloaded-junit | |
| run-id: ${{ github.event.workflow_run.id }} | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Download integration test JUnit artifacts | |
| if: github.event.workflow_run.conclusion == 'failure' && steps.get-pr.outputs.pr_number != '' | |
| uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4 | |
| with: | |
| # Matches junit-jest-integration-Linux, junit-jest-integration-Windows | |
| pattern: junit-jest-integration* | |
| path: downloaded-junit | |
| run-id: ${{ github.event.workflow_run.id }} | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Build failure comment body | |
| if: github.event.workflow_run.conclusion == 'failure' && steps.get-pr.outputs.pr_number != '' | |
| shell: bash | |
| run: | | |
| { | |
| echo "<!-- ci-test-failure-summary -->" | |
| echo "> 🔗 [Workflow run](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }}) · commit \`${{ github.event.workflow_run.head_sha }}\`" | |
| echo "" | |
| GITHUB_STEP_SUMMARY="" node scripts/summarize_jest_failures.js --dir=downloaded-junit | |
| } > pr-comment.md | |
| - name: Build success comment body | |
| if: github.event.workflow_run.conclusion == 'success' && steps.get-pr.outputs.pr_number != '' | |
| shell: bash | |
| run: | | |
| { | |
| echo "<!-- ci-test-failure-summary -->" | |
| echo "## ✅ All unit and integration tests passing" | |
| echo "" | |
| echo "> 🔗 [Workflow run](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }}) · commit \`${{ github.event.workflow_run.head_sha }}\`" | |
| } > pr-comment.md | |
| - name: Find existing comment | |
| id: find-comment | |
| if: steps.get-pr.outputs.pr_number != '' | |
| uses: peter-evans/find-comment@3eae4d37986fb5a8592848f6a574fdf654e61f9e # v3 | |
| with: | |
| issue-number: ${{ steps.get-pr.outputs.pr_number }} | |
| comment-author: 'github-actions[bot]' | |
| body-includes: '<!-- ci-test-failure-summary -->' | |
| # Post on first failure, update on subsequent runs. | |
| # On success, only update if a prior failure comment exists — avoids | |
| # posting a green banner on every clean PR. | |
| - name: Post or update PR comment | |
| if: | | |
| steps.get-pr.outputs.pr_number != '' && | |
| (github.event.workflow_run.conclusion == 'failure' || steps.find-comment.outputs.comment-id != '') | |
| uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043 # v4 | |
| with: | |
| comment-id: ${{ steps.find-comment.outputs.comment-id }} | |
| issue-number: ${{ steps.get-pr.outputs.pr_number }} | |
| body-path: pr-comment.md | |
| edit-mode: replace |