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# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

name: License Check

on:
  pull_request:
  push:
    branches:
      - main

jobs:
  rat-license-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Download Apache Rat jar
        run: |
          wget https://repo1.maven.org/maven2/org/apache/rat/apache-rat/0.16.1/apache-rat-0.16.1.jar -O rat.jar

      - name: Run Apache Rat
        run: |
          java -jar rat.jar -E .github/.rat-excludes -d . > rat-report.txt
      - name: Check for Unapproved Licenses
        run: |
          if grep "Files with unapproved licenses" rat-report.txt; then
            echo "❌ Found files with unapproved licenses!"
            cat rat-report.txt
            exit 1
          else
            echo "✅ All files have approved licenses."
            cat rat-report.txt
          fi
