Testing new topics pr commenter #2
Workflow file for this run
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| name: Topic PR Commenter | |
| on: | |
| pull_request: | |
| paths: | |
| - 'topics/**' | |
| jobs: | |
| comment: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Comment on PR with topic info | |
| uses: actions/github-script@v6 | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| with: | |
| script: | | |
| // Get the PR number from the event payload | |
| const prNumber = context.payload.pull_request.number; | |
| // List the files changed in the PR | |
| const { data: files } = await github.rest.pulls.listFiles({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: prNumber, | |
| }); | |
| // Extract topics from any file changed in the "topics/" folder. | |
| // Assumes the file name (e.g. "python.md") indicates the topic "python" | |
| const topics = []; | |
| for (const file of files) { | |
| if (file.filename.startsWith('topics/')) { | |
| const parts = file.filename.split('/'); | |
| const topicName = parts[parts.length - 2]; | |
| topics.push(topicName); | |
| } | |
| } | |
| if (topics.length === 0) { | |
| console.log('No topics found in changed files.'); | |
| return; | |
| } | |
| // Remove duplicate topic names (in case multiple files reference the same topic) | |
| const uniqueTopics = [...new Set(topics)]; | |
| // Prepare the body of the comment | |
| let commentBody = '## Topic Information\n\n'; | |
| for (const topic of uniqueTopics) { | |
| // Query the GitHub Search API for repositories with the topic. | |
| // Note: The Search API endpoint returns a JSON with a total_count field. | |
| const searchResponse = await github.request('GET /search/repositories', { | |
| q: `topic:${topic}` | |
| }); | |
| const repoCount = searchResponse.data.total_count; | |
| // Append topic details to the comment body | |
| commentBody += `### ${topic}\n`; | |
| commentBody += `- [Topic Page](https://github.com/topics/${topic})\n`; | |
| commentBody += `- Repositories: ${repoCount}\n\n`; | |
| } | |
| // Post the comment on the PR | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: prNumber, | |
| body: commentBody | |
| }); |