ci_check_license_headers.yaml

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name: "CI :: License headers"

on:
  push:
    branches: [main]
  pull_request:
    branches: ["**"]
    types: [opened, reopened, ready_for_review, synchronize]

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Download Apache RAT
        run: |
          curl -LO https://repo1.maven.org/maven2/org/apache/rat/apache-rat/0.16.1/apache-rat-0.16.1.jar

      - name: Run Apache RAT
        run: |
          java -jar apache-rat-0.16.1.jar -d . -E .rat-excludes | grep "== File:" && echo "The files listed above are missing license headers." && exit 1 || echo "All files have license headers."