touchstone-comment.yaml

name: Continuous Benchmarks (Comment)

concurrency:
  group: ${{ github.workflow }}-${{ github.run_id }}
  cancel-in-progress: true

on:
  workflow_run:
    workflows: ["Continuous Benchmarks (Receive)"]
    types: [completed]

jobs:
  comment:
    runs-on: ubuntu-latest
    permissions:
      actions: read
      pull-requests: write
    if: ${{ github.event.workflow_run.event == 'pull_request' }}
    steps:
      - name: Download Touchstone artifact
        id: download
        uses: actions/download-artifact@v8
        with:
          name: pr
          github-token: ${{ github.token }}
          repository: ${{ github.repository }}
          run-id: ${{ github.event.workflow_run.id }}

      # defensive since issues could cause commenting in random places
      - name: Read PR number
        id: pr
        shell: bash
        run: |
          number="$(tr -cd '0-9' < ./NR)"
          test -n "$number"
          echo "number=$number" >> "$GITHUB_OUTPUT"

      - name: Create or update sticky PR comment
        id: comment
        uses: marocchino/sticky-pull-request-comment@v3
        with:
          GITHUB_TOKEN: ${{ github.token }}
          number_force: ${{ steps.pr.outputs.number }}
          header: touchstone
          path: ./info.txt
          skip_unchanged: true