validate-pr.yml

name: Validate PR

on:
  pull_request:
    branches:
      - main

jobs:
  validate-changes:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
        with:
          fetch-depth: 0  # Ensure the entire history is fetched

      - name: Fetch main branch
        run: git fetch origin main

      - name: Check for required file changes
        id: file_changes
        run: |
          # Get the list of files changed in the PR
          files=$(git diff --name-only origin/main...HEAD)

          # Initialize variables
          changelog_changed=false
          packagejson_changed=false

          # Check if the required files are in the list of changed files
          for file in $files; do
            if [ "$file" == "CHANGELOG.md" ]; then
              changelog_changed=true
            fi
            if [ "$file" == "package.json" ]; then
              packagejson_changed=true
            fi
          done

          # Set output variables
          echo "::set-output name=changelog_changed::$changelog_changed"
          echo "::set-output name=packagejson_changed::$packagejson_changed"

      - name: Ensure required files are changed
        if: steps.file_changes.outputs.changelog_changed == 'false' || steps.file_changes.outputs.packagejson_changed == 'false'
        run: |
          echo "ERROR: Both CHANGELOG.md and package.json must be modified in this PR."
          exit 1