check-commit-msg.yml

name: Check commit messages

on:
  # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
  pull_request_target:

jobs:
  length:
    name: Check that length of commit messages are <72 characters
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Check commit length
        run: |
          echo $GITHUB_SHA
          echo $GITHUB_REF
          git log $GITHUB_SHA..$GITHUB_REF
          git log $GITHUB_REF..$GITHUB_SHA