name: Verify Generated Files
on: [push, pull_request]
permissions:
  contents: read

jobs:
  verify-generate:
    name: Verify make gen
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
        with:
          persist-credentials: false
      - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c  # v6.4.0
        with:
          go-version-file: .go-version
      - name: Run make gen
        run: make gen
      - name: Check for uncommitted changes
        run: |
          UNTRACKED=$(git ls-files --others --exclude-standard)
          if [ -n "$UNTRACKED" ]; then
            echo "ERROR: make gen produced untracked files:"
            echo "$UNTRACKED"
            echo ""
            echo "Run 'make gen' and commit the result."
            exit 1
          fi
          if ! git diff --exit-code; then
            echo ""
            echo "ERROR: Generated files are out of date."
            echo "Run 'make gen' and commit the result."
            exit 1
          fi