github-actions-issue-comment-by-gpt.yml

name: Run Script
on:
   issues:
    types: [opened, labeled]

jobs:
  auto-reply:
    if: github.event.label.name == 'run_1'
    runs-on: ubuntu-latest
    permissions:
        issues: write
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      
      - name: Setup GitHub CLI
        uses: cli/setup-gh@v1

      - name: Run Script
        id: script
        run: |
          try {
            output=$(./script.sh)
            echo "::set-output name=result::$output"
           } catch {
           echo "The script failed to run"
           output="An error has occurred while running the script."
           }

      - name: Post Comment
        id: comment
        uses: actions/github-script@v3.1.0
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const issue_number = context.issue.number;
            const comments = await github.issues.listComments({...context.repo, issue_number});
            const bot_comment_exists = comments.data.some(comment => comment.user.login === 'github-actions[bot]' && comment.body.includes('Your output text here'));
            if (!bot_comment_exists) {
              await github.issues.createComment({...context.repo, issue_number, body: '${{steps.script.outputs.result}}'});
            }