update-pr.yml

# This workflow posts the result of a performance test back to the pull request as a comment.
# Needs to be separate from CI because it has elevated privileges so only runs from main branch.

name: Update PR

on:
  workflow_run:
    workflows: [ "Performance" ]
    types:
      - completed

jobs:
  updatepr:
    runs-on: ubuntu-latest
    continue-on-error: true
    if: ${{ github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' }}
    timeout-minutes: 5
    steps:
      # report status back to pull request
      - uses: haya14busa/action-workflow_run-status@v1
      - uses: actions/checkout@v4
        with:
          submodules: true
      - name: 'Download branch build info'
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: ${{ github.event.workflow_run.workflow_id }}
          run_id: ${{ github.event.workflow_run.id }}
          name: build-info
          path: build-info
      - name: 'Get build info'
        id: build_info
        run: echo "::set-output name=pr_number::$(cat build-info/pull_request_number)"
      - name: 'Build comment-body'
        run: |
          cat build-info/branchlogs.txt | sed -n '/^.*Tile stats/,$p' > branchsummary.txt
          cat build-info/branchlogs.txt | sed -n '/^.*Exception in thread/,$p' >> branchsummary.txt
          cat build-info/baselogs.txt | sed -n '/^.*Tile stats:/,$p' > basesummary.txt
          cat build-info/baselogs.txt | sed -n '/^.*Exception in thread/,$p' >> basesummary.txt

          cat << EOF > comment-body.txt
          <table>
          <thead>
          <tr>
          <th>Base $(cat build-info/base_sha)</th>
          <th>This Branch $(cat build-info/branch_sha)</th>
          </tr>
          </thead>
          <tr>
          <td>

          \`\`\`
          $(cat basesummary.txt)
          \`\`\`
          </td>
          <td>

          \`\`\`
          $(cat build-info/branchlogs.txt | sed -n '/^.*Tile stats:/,$p')
          \`\`\`
          </td>
          </tr>
          </table>

          https://github.com/onthegomap/planetiler/actions/runs/${{ github.event.workflow_run.id }}

          <details><summary>ℹ️ <strong>Base Logs $(cat build-info/base_sha)</strong></summary>

          \`\`\`
          $(cat build-info/baselogs.txt)
          \`\`\`
          </details>

          <details><summary>ℹ️ <strong>This Branch Logs $(cat build-info/branch_sha)</strong></summary>

          \`\`\`
          $(cat build-info/branchlogs.txt)
          \`\`\`
          </details>
          EOF

      - name: 'Dump comment body'
        run: cat comment-body.txt

      - uses: marocchino/sticky-pull-request-comment@v2
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          path: comment-body.txt
          header: performance-tests
          number: ${{ steps.build_info.outputs.pr_number }}