check-generated-code.yml

name: Check Generated Code

on:
  workflow_dispatch:

jobs:
  check-rust-code:
    name: Check Generated Rust Code
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - name: Setup Weaver
        uses: open-telemetry/weaver/.github/actions/setup-weaver@3a3b7cc98e08f84bccda45c0f20522b51d64a88c # v0.23.0

      - name: Generate Rust code
        run: |
          cd basic
          weaver registry generate \
            -r ./model \
            --templates ./templates \
            rust ./src

      - name: Check for uncommitted changes
        run: |
          cd basic
          if ! git diff --exit-code ./src/attributes.rs ./src/metrics.rs; then
            echo "❌ Generated code is out of sync!"
            echo ""
            echo "The generated Rust code differs from committed files."
            echo "Please regenerate locally and commit the changes:"
            echo ""
            echo "  cd basic"
            echo "  weaver registry generate -r ./model --templates ./templates rust ./src"
            echo "  git add src/attributes.rs src/metrics.rs"
            echo "  git commit -m 'chore: regenerate Rust code'"
            echo ""
            exit 1
          fi
          echo "✅ Generated code is up to date"