test.yml

name: Example Workflow  
  
on:  
  pull_request:  
    types: [opened, synchronize, reopened]  
  
jobs:  
  print-urls:  
    runs-on: ubuntu-latest  
    steps:  
      - name: Checkout code  
        uses: actions/checkout@v2  
  
      - name: Print repository URL  
        run: |  
          echo "Repository URL: ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"  
   
      - name: Print Pull Request URL  
        if: github.event_name == 'pull_request'  
        run: |  
          echo "Pull Request URL: ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/pull/${{ github.event.pull_request.number }}"

      - name: Print source and target branch names  
        run: |  
          echo "Source Branch: ${{ github.event.pull_request.head.ref }}"  
          echo "Target Branch: ${{ github.event.pull_request.base.ref }}"

      - name: Print source repository URL and branch name  
        run: |  
          source_repo_url="${GITHUB_SERVER_URL}/${{ github.event.pull_request.head.repo.full_name }}"  
          source_branch="${{ github.event.pull_request.head.ref }}"  
          echo "Source Repository URL: $source_repo_url"  
          echo "Source Branch: $source_branch"  
   
      - name: Print target repository URL and branch name  
        run: |  
          target_repo_url="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"  
          target_branch="${{ github.event.pull_request.base.ref }}"  
          echo "Target Repository URL: $target_repo_url"  
          echo "Target Branch: $target_branch"