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Comment on pull request #4
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| # This workflow run on the completion of the | |
| # build workflow but only does anything if the | |
| # triggering workflow uploaded an artifact. | |
| # | |
| # Do note that it is then the trigger workflow that | |
| # determines if this will update the PR text body. All | |
| # this workflow does is check if an uploaded artifact | |
| # exists and there is a PR tied to the previous workflow. | |
| name: Comment on pull request | |
| on: | |
| workflow_run: | |
| workflows: ['Build Paper'] | |
| types: [completed] | |
| jobs: | |
| pr_comment: | |
| if: github.event.workflow_run.conclusion == 'success' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/github-script@v7 | |
| with: | |
| # This snippet is public-domain, taken from | |
| # https://github.com/oprypin/nightly.link/blob/master/.github/workflows/pr-comment.yml | |
| # Modified extensively by Machine_Maker | |
| script: | | |
| async function updatePR(owner, repo, issue_number, purpose, body) { | |
| const { data } = await github.rest.issues.get({ owner, repo, issue_number }); | |
| core.debug(JSON.stringify(data, null, 2)); | |
| const marker = `<!-- bot: ${purpose} -->`; | |
| let new_body = data.body ? data.body.trim().split(marker)[0].trim() : ""; | |
| new_body += `\n${marker}\n---\n${body}`; | |
| core.info(`Updating the text body of PR #${issue_number} in ${owner}/${repo}`); | |
| await github.rest.issues.update({ owner, repo, issue_number, body: new_body }); | |
| } | |
| const { owner, repo } = context.repo; | |
| const run_id = ${{ github.event.workflow_run.id }}; | |
| const repo_id = ${{ github.event.repository.id }}; | |
| let pulls = []; | |
| const event_type = "${{ github.event.workflow_run.event}}"; | |
| if (event_type === "push") { // if push, it's from the same repo which means `pull_requests` is populated | |
| pulls = ${{ toJSON(github.event.workflow_run.pull_requests) }}; | |
| } else { | |
| const pr_branch = "${{ github.event.workflow_run.head_branch }}"; | |
| const pr_sha = "${{ github.event.workflow_run.head_sha }}"; | |
| const pr_owner = "${{ github.event.workflow_run.head_repository.owner.login }}"; | |
| const { data } = await github.rest.pulls.list({ owner, repo, head: `${pr_owner}:${pr_branch}`, state: "open" }); | |
| core.debug(JSON.stringify(data, null, 2)); | |
| pulls = data.filter((pr) => pr.head.sha === pr_sha && pr.labels.find((l) => l.name === "build-pr-jar")); | |
| } | |
| if (!pulls.length) { | |
| return core.notice("This workflow doesn't have any pull requests!"); | |
| } else if (pulls.length > 1) { | |
| core.info(JSON.stringify(pulls, null, 2)); | |
| return core.error("Found multiple matching PRs"); | |
| } | |
| const pull_request = pulls[0]; | |
| const artifacts = await github.paginate(github.rest.actions.listWorkflowRunArtifacts, { owner, repo, run_id }); | |
| if (!artifacts.length) { | |
| return core.info("Skipping comment due to no artifact found"); | |
| } | |
| const artifact = artifacts.find((art) => art.name === `paper-${pull_request.number}`); | |
| if (!artifact) { | |
| return core.info("Skipping comment to no matching artifact found"); | |
| } | |
| const link = `https://nightly.link/${owner}/${repo}/actions/artifacts/${artifact.id}.zip`; | |
| const body = `Download the paperclip jar for this pull request: [${artifact.name}.zip](${link})`; | |
| core.info(`Adding a link to ${link}`); | |
| await updatePR(owner, repo, pull_request.number, "paperclip-pr-build", body); |