Post Playground link to PR #266
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| name: Post Playground link to PR | |
| on: | |
| pull_request_target: | |
| types: [labeled] | |
| workflow_run: | |
| workflows: ["WebAssembly"] | |
| types: [completed] | |
| jobs: | |
| post-summary: | |
| name: Post Playground link | |
| runs-on: ubuntu-latest | |
| permissions: | |
| pull-requests: write | |
| # Post a comment only if the PR status check is passed and the PR is labeled with `Playground`. | |
| # Triggered twice: when the PR is labeled and when PR build is passed. | |
| if: >- | |
| ${{ false | |
| || (true | |
| && github.event_name == 'pull_request_target' | |
| && contains(github.event.pull_request.labels.*.name, 'Playground')) | |
| || (true | |
| && github.event_name == 'workflow_run' | |
| && github.event.workflow_run.conclusion == 'success' | |
| && github.event.workflow_run.event == 'pull_request') | |
| }} | |
| steps: | |
| - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| const fs = require('fs/promises'); | |
| const buildWorkflowPath = '.github/workflows/wasm.yml'; | |
| const findSuccessfuBuildRun = async (pr) => { | |
| const opts = github.rest.actions.listWorkflowRunsForRepo.endpoint.merge({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| status: 'success', | |
| branch: pr.head.ref, | |
| }); | |
| const runs = await github.paginate(opts); | |
| const buildRun = runs.find(run => run.path == buildWorkflowPath); | |
| return buildRun; | |
| } | |
| const postComment = async (body, pr) => { | |
| const { data: comments } = await github.rest.issues.listComments({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: pr.number, | |
| }); | |
| const commentOpts = { owner: context.repo.owner, repo: context.repo.repo, body: comment }; | |
| const existingComment = comments.find(comment => comment.body.startsWith(magicComment)); | |
| if (existingComment) { | |
| core.info(`Updating existing comment: ${existingComment.html_url}`); | |
| await github.rest.issues.updateComment({ | |
| ...commentOpts, comment_id: existingComment.id | |
| }); | |
| } else { | |
| await github.rest.issues.createComment({ | |
| ...commentOpts, issue_number: pr.number | |
| }); | |
| } | |
| } | |
| const derivePRNumber = async () => { | |
| if (context.payload.pull_request) { | |
| return context.payload.pull_request.number; | |
| } | |
| // Workaround for https://github.com/orgs/community/discussions/25220 | |
| const { data: { artifacts } } = await github.rest.actions.listWorkflowRunArtifacts({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| run_id: context.payload.workflow_run.id, | |
| }); | |
| const artifact = artifacts.find(artifact => artifact.name == 'github-pr-info'); | |
| if (!artifact) { | |
| throw new Error('Cannot find github-pr-info.txt artifact'); | |
| } | |
| const { data } = await github.rest.actions.downloadArtifact({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| artifact_id: artifact.id, | |
| archive_format: 'zip', | |
| }); | |
| await fs.writeFile('pr-info.zip', Buffer.from(data)); | |
| await exec.exec('unzip', ['pr-info.zip']); | |
| return await fs.readFile('github-pr-info.txt', 'utf8'); | |
| } | |
| const prNumber = await derivePRNumber(); | |
| const { data: pr } = await github.rest.pulls.get({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: prNumber, | |
| }); | |
| core.info(`Checking if the PR ${prNumber} is labeled with Playground...`); | |
| if (!pr.labels.some(label => label.name == 'Playground')) { | |
| core.info(`The PR is not labeled with Playground.`); | |
| return; | |
| } | |
| core.info(`Checking if the build is successful for ${pr.head.ref} in ${pr.head.repo.owner.login}/${pr.head.repo.name}...`); | |
| const buildRun = await findSuccessfuBuildRun(pr); | |
| if (!buildRun) { | |
| core.info(`No successful build run found for ${buildWorkflowPath} on ${pr.head.ref} yet.`); | |
| return; | |
| } | |
| core.info(`Found a successful build run: ${buildRun.html_url}`); | |
| const runLink = `${process.env.GITHUB_SERVER_URL}/${process.env.GITHUB_REPOSITORY}/actions/runs/${process.env.GITHUB_RUN_ID}`; | |
| const magicComment = `<!-- AUTO-GENERATED-COMMENT-PR-PLAYGROUND -->`; | |
| const comment = `${magicComment} | |
| **Try on Playground**: https://ruby.github.io/play-ruby?run=${buildRun.id} | |
| This is an automated comment by [\`pr-playground.yml\`](${runLink}) workflow. | |
| `; | |
| core.info(`Comment: ${comment}`); | |
| await postComment(comment, pr); | |