coverage.yml

# .github/workflows/coverage.yml
name: Post coverage comment

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

jobs:
  test:
    name: Run tests & display coverage
    runs-on: ubuntu-latest
    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
    permissions:
      # Gives the action the necessary permissions for publishing new
      # comments in pull requests.
      pull-requests: write
      # Gives the action the necessary permissions for editing existing
      # comments (to avoid publishing multiple comments in the same PR)
      contents: write
      # Gives the action the necessary permissions for looking up the
      # workflow that launched this workflow, and download the related
      # artifact that contains the comment to be published
      actions: read
    steps:
      # DO NOT run actions/checkout here, for security reasons
      # For details, refer to https://securitylab.github.com/research/github-actions-preventing-pwn-requests/
      - name: Post comment
        uses: py-cov-action/python-coverage-comment-action@v3
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_PR_RUN_ID: ${{ github.event.workflow_run.id }}