.github/workflows/apache-rat.yml

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name: Apache RAT Scan

on:
  push:
    branches: [ "**" ]
    paths-ignore:
      - "**/*.md"
      - ".rat-excludes"
      - "LICENSE"
  pull_request:
    branches: [ "main" ]
    paths-ignore:
      - "**/*.md"
      - ".rat-excludes"
      - "LICENSE"

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  rat-scan:
    name: Apache RAT Scan
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false

      - name: Cache Apache RAT
        id: cache-rat
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: apache-rat-0.17.jar
          key: rat-0.17

      - name: Download Apache RAT
        if: steps.cache-rat.outputs.cache-hit != 'true'
        run: |
          curl -sL https://repo1.maven.org/maven2/org/apache/rat/apache-rat/0.17/apache-rat-0.17.jar -o apache-rat-0.17.jar

      - name: Run Apache RAT Scan
        run: |
          # Use pre-installed Java to save time and API calls
          java -jar apache-rat-0.17.jar --input-exclude-file .rat-excludes -- .