github-actions-review.yml

name: Copilot Code Review

on:
  pull_request:
    types: [opened, synchronize, reopened]

permissions:
  contents: read
  pull-requests: write

jobs:
  copilot-review:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
      
      - name: Install GitHub Copilot CLI
        run: npm install -g @github/copilot
      
      - name: Get PR diff
        id: diff
        run: |
          git diff origin/${{ github.base_ref }}...HEAD > pr_diff.txt
          echo "Generated PR diff"
      
      - name: Review with Copilot
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          copilot -p "Review this pull request for:
          1. Code quality and best practices
          2. Security vulnerabilities
          3. Performance issues
          4. Potential bugs
          5. Documentation needs
          
          Provide specific, actionable feedback with file names and line numbers when possible.
          Be constructive and focus on important issues." < pr_diff.txt > review.txt
          
          echo "Review completed"
      
      - name: Post review comment
        if: always()
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const review = fs.readFileSync('review.txt', 'utf8');
            
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: `## 🤖 Copilot CLI Review\n\n${review}\n\n---\n*This review was automatically generated by GitHub Copilot CLI*`
            });