ci_check_license_headers.yaml

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# 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: "CI :: License headers"

on:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]

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."