name: check-rebased
on:
  pull_request:
    types: [ synchronize, opened, reopened, edited ] # +edited (for triggering on PR base change)
  push:
    branches: [ main ]
jobs:
  hook:
    name: Check whether current branch is based on its base branch
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo @ current branch
        uses: actions/checkout@v2
        with:
          fetch-depth: 1000 # Hopefully current branch is less than 1000 commits from main
      - name: Run check-rebased.sh
        run: .github/workflows/check-rebased.sh