check_fixups.yml

name: Git Fixup Commit Check

on:
  pull_request:
    branches: [ master ]
    types: [ opened, synchronize, reopened ]

jobs:
  check_fixups:
    name: Check for fixup commits
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Verify commit messages
        run: |
          echo "Checking commit messages for fixup commits... "
          FIXUPS=$(git log ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }} --oneline | grep -E "^[a-f0-9]+ fixup!" || true)
          if [ -n "$FIXUPS" ]; then
            echo "ERROR: Found 'fixup!' commits in this pull request. Please squash them before merging!"
            echo "Found items:"
            echo "$FIXUPS"
            exit 1
          fi

          echo "No fixup! commits found!"