# This is a crude license header check. The ones I tested were susceptible to whitespace differences
# and I never got them to work. My primary goal is to ensure the headers exist, so this suffices.

name: Verify AppleCommander has a license header

on:
  push:
    branches: [ "main" ]
    tags:
      - '*'
  pull_request:
    branches: [ "main" ]

permissions:
  contents: read

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
    - name: Look for license phrase
      run: |
        outfile=$(mktemp)
        find . -name "*.java" -not -name "Sleak.java" | xargs grep -L "GNU General Public License" > ${outfile}
        if [ -s "${outfile}" ]
        then
          echo "License headers missing on the following files:"
          cat ${outfile}
          exit 1
        else
          echo "License headers appear to be valid!"
        fi