check-deprecated.yml

---
name: Check for deprecated patterns

on:
  pull_request:
    branches: [main]
    paths:
      - "**/*.py"
      - "**/*.md"
      - "**/*.mdx"

jobs:
  check-deprecated:
    name: Block deprecated examples
    runs-on: ubuntu-latest
    timeout-minutes: 5
    permissions:
      contents: read

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Check for create_react_agent in diff
        run: |
          # Get the diff of added lines only (lines starting with +, excluding the +++ header)
          ADDED_LINES=$(git diff origin/${{ github.base_ref }}...HEAD --diff-filter=ACMR -- '*.py' '*.md' '*.mdx' '*.ipynb' | grep -E '^\+' | grep -v '^\+\+\+' || true)

          # Check if any added lines contain create_react_agent
          if echo "$ADDED_LINES" | grep -q 'create_react_agent'; then
            echo "❌ This PR adds code containing 'create_react_agent'."
            echo ""
            echo "The create_react_agent pattern is deprecated. Please use the recommended"
            echo "agent patterns instead."
            echo ""
            echo "Matches found:"
            echo "$ADDED_LINES" | grep 'create_react_agent' | head -20
            exit 1
          else
            echo "✅ No create_react_agent examples found in added code."
          fi