buck2-build.yaml

name: Buck2 build
on:
  pull_request:
    branches: [main]
    types: [opened, synchronize, labeled, unlabeled]

jobs:
  buck2-build:
    name: Buck2 Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: cachix/install-nix-action@v22
        with:
          github_access_token: ${{ secrets.GITHUB_TOKEN }}
      - name: Prepare Buck2 build args from labels
        id: prepare_args
        run: |
          ARGS=""
          cat <<EOF > labels.json
          ${{ toJSON(github.event.pull_request.labels.*.name) }}
          EOF
          for LABEL in dashboard consent core; do
            case "$LABEL" in
              dashboard|consent)
                ARGS+=" //apps/$LABEL:$LABEL"
                ;;
              core)
                ARGS+=" //core/api:api"
                ;;
            esac
          done
          echo "Prepared args: $ARGS"
          echo "args=$ARGS" >> "$GITHUB_OUTPUT"
      - name: Buck2 build
        run: nix develop -c buck2 build ${{ steps.prepare_args.outputs.args }}