modification-header-check.yml

#
# 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.
#

# Modified by Datazip Inc. in 2026
# Original work Copyright The Apache Software Foundation (ASF)

name: Modification-Header-Check

on:
  pull_request:
    branches:
      - "master"
      - "staging"

jobs:
  modification-header-check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check modifications header
        run: |
          echo "Checking modified files..."

          BASE_BRANCH=${{ github.base_ref }}
          CHANGED_FILES=$(git diff --name-only origin/$BASE_BRANCH...HEAD)
          DATAZIP_MODIFICATION_YEAR_REGEX="Modified by Datazip Inc\. in [0-9]{4}"
          NOT_MODIFIED_FILES=""
          LICENSE_REGEX="Licensed to the Apache Software Foundation|Apache License|SPDX-License-Identifier"
          for file in $CHANGED_FILES; do
            if [[ ! -f "$file" ]]; then
              continue
            fi

            if ! head -40 "$file" | grep -q -E "$LICENSE_REGEX"; then
              continue
            fi

            if ! head -40 "$file" | grep -q -E "$DATAZIP_MODIFICATION_YEAR_REGEX"; then
              NOT_MODIFIED_FILES+="$file"$'\n'
            fi
          done

          if [ -n "$NOT_MODIFIED_FILES" ]; then
            echo "::error::The following files are missing required modification headers:"
            echo "$NOT_MODIFIED_FILES"
            exit 1
          fi

          echo "All modified files have Modifications header"