在GitHub操作工作流中有条件地追加字符串

name: Append String Workflow
on:
  push:
    branches:
      - main

jobs:
  append_string:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      
      - name: Append String
        run: |
          if [ "${{ github.event_name }}" == "push" ] && [ "${{ github.ref }}" == "refs/heads/main" ]; then
            echo "Appended string" >> file.txt
          fi
          
      - name: Commit Changes
        run: |
          git config --local user.email "actions@github.com"
          git config --local user.name "GitHub Actions"
          git commit -m "Append string" -a
          git push