validate-pr.yml

name: Validate PR

on:
  pull_request:
    branches:
      - main

jobs:
  run-tests:
    runs-on: ubuntu-latest
    steps:
      # Check out the PR branch
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 2

      # Ensure only /input/new.json is modified
      - name: Validate modified files
        run: |
          modified_files=$(git diff --name-only HEAD^1 HEAD)
          if [[ "$modified_files" != "input/new.json" ]]; then
            echo "modified_files: $modified_files"
            echo "Error: Only /input/new.json should be modified."
            exit 1
          fi

      # Validate JSON format and fields
      - name: Validate JSON structure
        run: |
          if ! jq -e '.package_name != null and .patch_versions != null' input/new.json; then
            echo "Error: JSON format or required fields are invalid."
            exit 1
          fi

      # Install dependencies (example for Node.js project)
      - name: Install dependencies
        run: npm install

      # Run tests
      - name: Run tests
        run: npm test