check_version_bump.yml

name: Test version bump

on:
  pull_request:
    branches: [ "main" ]

jobs:
  check-version-bump:
    runs-on: ubuntu-latest

    steps:

    - name: Check out
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Verify file change
      uses: tj-actions/changed-files@v34 
      id: changed-file
      with:
        files: |
          VERSION
    
    - name: List all changed files
      run: |
        for file in ${{ steps.changed-file.outputs.all_changed_files }}; do
          echo "$file was changed"
        done

    - name: Check if VERSION has been changed
      if: steps.changed-file.outputs.any_changed == 'false'
      run: exit 1