name: Check Commit Message(s)

# Get the repository with all commits to ensure that we can
# analyze all of the commits contributed via the Pull Request.

on:
  pull_request:
    types: [ opened, synchronize ]

jobs:
  check-commit-messages:
    runs-on: ubuntu-24.04
    steps:
    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
      with:
        fetch-depth: 0

    - name: check-commits.sh
      run: |
        echo "## Commit Message Linter Results" >${GITHUB_STEP_SUMMARY}
        err=0
        while read hash subj
        do
          echo "Checking: ${hash} (\"${subj}\")" | tee -a ${GITHUB_STEP_SUMMARY}
          out=$(git show -s --format=%B ${hash} | .github/scripts/commit-msg-check.pl)
          if test -n "${out}"
          then
            echo "${out}" | tee -a ${GITHUB_STEP_SUMMARY}
            err=1
          else
            echo "✅ ok" | tee -a ${GITHUB_STEP_SUMMARY}
          fi
        done <<< $(git rev-list --oneline ${{github.event.pull_request.base.sha}}..${{github.event.pull_request.head.sha}})

        if test ${err} -ne 0
        then
          exit 2
        fi