check-license.yaml

# Copyright (c) Abstract Machines
# SPDX-License-Identifier: Apache-2.0

name: Check License Header

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

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

      - name: Check License Header
        run: |
          CHECK=""
          for file in $(grep -rl --exclude-dir={.git,build,**vernemq**} \
            --exclude=\*.{crt,key,pem,zed,hcl,md,json,csv,mod,sum,tmpl,args} \
            --exclude={CODEOWNERS,LICENSE,MAINTAINERS} \
            .); do
              
              if ! head -n 5 "$file" | grep -q "Copyright (c) Abstract Machines"; then
                CHECK="$CHECK $file"
              fi
          done

          if [ "$CHECK" ]; then
            echo "License header check failed. Fix the following files:"
            echo "$CHECK"
            exit 1
          else
            echo "All files have the correct license header!"
          fi