.github/workflows/rat.yaml

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name: RAT Check

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - '**'

jobs:
  rat:
    name: Apache RAT Check
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Java
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 17

      - name: Download Apache RAT
        run: |
          curl -L -O https://downloads.apache.org/creadur/apache-rat-0.17/apache-rat-0.17-bin.tar.gz
          tar -xzf apache-rat-0.17-bin.tar.gz

      - name: Run RAT
        run: |
          java -jar apache-rat-0.17/apache-rat-0.17.jar -d . -E .rat-excludes > rat-report.txt
          cat rat-report.txt
          # Fail if unapproved licenses are found
          grep -qe '^\s*Unapproved:\s*0\s*A count of unapproved licenses.$' rat-report.txt && exit 0 || exit 1