pr-version-check.yml

name: version-check
on:
  pull_request:
    branches:
      - master
    paths-ignore:
      - '.github/**'
jobs:
  release:
    name: Check Version
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Version diff
        run: |
          # read version from file: ZonPHP/inc/version_info.php of head branch
          HEAD_VERSION=$( grep '$version = ' ZonPHP/inc/version_info.php | cut -d '"' -f 2 )
          echo "HEAD_VERSION --> $HEAD_VERSION"
          git checkout master
          # read version from file: ZonPHP/inc/version_info.php of master branch
          MASTER_VERSION=$( grep '$version = ' ZonPHP/inc/version_info.php | cut -d '"' -f 2 )
          echo "MASTER_VERSION --> $MASTER_VERSION"
          #if [ "$HEAD_VERSION" \> "$MASTER_VERSION" ]; then
          if [ "$(printf '%s\n' "$HEAD_VERSION" "$MASTER_VERSION" | sort -V | head -n 1)" != "$HEAD_VERSION" ]; then
            echo "Great job, master version $MASTER_VERSION will become $HEAD_VERSION soon"                    
          else
            echo "Head $HEAD_VERSION not updated before merging into master"
            exit 1
          fi