name: Comment on pull request on: workflow_run: workflows: ['Build Application'] types: [completed] jobs: pr_comment: if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' runs-on: ubuntu-latest steps: - uses: actions/github-script@v5 with: # This snippet is public-domain, taken from # https://github.com/oprypin/nightly.link/blob/master/.github/workflows/pr-comment.yml script: | async function upsertComment(owner, repo, issue_number, purpose, body) { const {data: comments} = await github.rest.issues.listComments( {owner, repo, issue_number}); const marker = ``; body = marker + "\n" + body; const existing = comments.filter((c) => c.body.includes(marker)); if (existing.length > 0) { const last = existing[existing.length - 1]; core.info(`Updating comment ${last.id}`); await github.rest.issues.updateComment({ owner, repo, body, comment_id: last.id, }); } else { core.info(`Creating a comment in issue / PR #${issue_number}`); await github.rest.issues.createComment({issue_number, body, owner, repo}); } } const {owner, repo} = context.repo; const run_id = ${{github.event.workflow_run.id}}; const pull_requests = ${{ toJSON(github.event.workflow_run.pull_requests) }}; if (!pull_requests.length) { return core.error("This workflow doesn't match any pull requests!"); } const artifacts = await github.paginate( github.rest.actions.listWorkflowRunArtifacts, {owner, repo, run_id}); if (!artifacts.length) { return core.error(`No artifacts found`); } let body = `Download the artifacts for this pull request:\n`; for (const art of artifacts) { body += `\n* [${art.name}.zip](https://nightly.link/${owner}/${repo}/actions/artifacts/${art.id}.zip)`; } core.info("Review thread message body:", body); for (const pr of pull_requests) { await upsertComment(owner, repo, pr.number, "nightly-link", body); }