check-version.yml

name: Check Package Version

on:
  pull_request:
    branches: [main]

jobs:
  check-package-version:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v2
      with:
        fetch-depth: 0
    - name: Check for version update in package.json
      id: check-version
      run: |
        changed_files=$(git diff --name-only origin/main)
        if echo "$changed_files" | grep --quiet 'package.json'; then
          # Extract the version field value using jq
          version=$(jq -r '.version' package.json)
          if [[ "$version" != "$(git show origin/main:package.json | jq -r '.version')" ]]; then
            echo "::set-output name=changed::true"
          else
            echo "::set-output name=changed::false"
          fi
        else
          echo "::set-output name=changed::false"
        fi
    - name: Fail if version was not updated
      if: steps.check-version.outputs.changed == 'false'
      run: |
        echo "The package.json version was not updated."
        exit 1
    - name: Pass if version was updated
      if: steps.check-version.outputs.changed == 'true'
      run: |
        echo "The package.json version was updated."