findutils 0.10.0

on:
  workflow_run:
    workflows: [External-testsuites]
    types: [completed]

name: Comment Test results on the PR

permissions: {}
jobs:
  upload-pr-comment:
    if: ${{ github.event.workflow_run.event == 'pull_request' }}

    name: Upload PR comment
    runs-on: ubuntu-latest
    permissions:
      actions: read
      pull-requests: write

    steps:
      - name: Download comparison artifacts
        uses: actions/github-script@v9
        with:
          script: |
            let fs = require('fs');
            let artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: ${{ github.event.workflow_run.id }},
            });

            for (let wanted of ["comment-gnu", "comment-bfs"]) {
              let match = artifacts.data.artifacts.find((a) => a.name === wanted);
              if (!match) {
                console.log(`Artifact ${wanted} not found`);
                continue;
              }
              let download = await github.rest.actions.downloadArtifact({
                owner: context.repo.owner,
                repo: context.repo.repo,
                artifact_id: match.id,
                archive_format: 'zip',
              });
              fs.writeFileSync(`${{ github.workspace }}/${wanted}.zip`, Buffer.from(download.data));
            }

      - name: Extract artifacts
        run: |
          for a in comment-gnu comment-bfs; do
            if test -f "$a.zip"; then
              mkdir -p "$a"
              unzip -o "$a.zip" -d "$a" || echo "Failed to unzip $a.zip"
            fi
          done

      - name: Comment on PR
        uses: actions/github-script@v9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            let fs = require('fs');

            function read(path) {
              try { return fs.readFileSync(path, 'utf8'); } catch (e) { return ''; }
            }

            // The PR number is written to NR by both jobs.
            let nr = read('comment-gnu/NR').trim() || read('comment-bfs/NR').trim();
            if (!nr) {
              console.log('No PR number found; skipping comment');
              return;
            }

            let gnu = read('comment-gnu/result-gnu.txt').trim();
            let bfs = read('comment-bfs/result-bfs.txt').trim();

            let sections = [];
            if (gnu) sections.push('GNU findutils testsuite:\n```\n' + gnu + '\n```');
            if (bfs) sections.push('bfs testsuite:\n```\n' + bfs + '\n```');

            if (sections.length === 0) {
              console.log('No test result changes; skipping comment');
              return;
            }

            let body = 'Commit ${{ github.event.workflow_run.head_sha }} has test result changes:\n\n'
              + sections.join('\n\n');

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: Number(nr),
              body: body,
            });