rerun: support `web_viewer` and `nasm` feature (#373461)

  stdenv,

  rustPlatform,

  fetchFromGitHub,

  # nativeBuildInputs

  binaryen,

  lld,

  pkg-config,

  protobuf,

  rustfmt,

  nasm,

  # buildInputs

  freetype,

  glib,

  openssl,

  vulkan-loader,

  wayland,

  versionCheckHook,

  # passthru

  nix-update-script,

  python3Packages,

  # Expose features to the user for the wasm web viewer build

  # So he can easily override them

  # We omit the "analytics" feature because it is opt-out and not opt-in.

  # More information can be found in there README:

  # https://raw.githubusercontent.com/rerun-io/rerun/5a9794990c4903c088ad77174e65eb2573162d97/crates/utils/re_analytics/README.md

  buildWebViewerFeatures ? [

    "grpc"

    "map_view"

  ],

}:

rustPlatform.buildRustPackage rec {

  cargoBuildFlags = [ "--package rerun-cli" ];

  cargoTestFlags = [ "--package rerun-cli" ];

  buildNoDefaultFeatures = true;

  buildFeatures = [ "native_viewer" ];

  buildFeatures = [

    "native_viewer"

    "web_viewer"

    "nasm"

  ];

  # Forward as a bash environment variable to the preBuild hook

  inherit buildWebViewerFeatures;

  # When web_viewer is compiled, the wasm webviewer first needs to be built

  # If this doesn't exist, the build will fail. More information: https://github.com/rerun-io/rerun/issues/6028

  # The command is taken from https://github.com/rerun-io/rerun/blob/dd025f1384f9944d785d0fb75ca4ca1cd1792f17/pixi.toml#L198C72-L198C187

  # Note that cargoBuildFeatures reference what buildFeatures is set to in stdenv.mkDerivation,

  # so that user can easily create an overlay to set cargoBuildFeatures to what he needs

  preBuild = ''

    if [[ " $cargoBuildFeatures " == *" web_viewer "* ]]; then

      # transform the environment variable that is a space separated list into a comma separated list

      buildWebViewerFeatures=$(echo $buildWebViewerFeatures | tr ' ' ',')

      # Create the features option only if there are features to pass

      buildWebViewerFeaturesCargoOption=""

      if [[ ! -z "$buildWebViewerFeatures" ]]; then

        buildWebViewerFeaturesCargoOption="--features $buildWebViewerFeatures"

        echo "Features passed to the web viewer build: $buildWebViewerFeatures"

      else

        echo "No features will be passed to the web viewer build"

      fi

      echo "Building the wasm web viewer for rerun's web_viewer feature"

      cargo run -p re_dev_tools -- build-web-viewer --no-default-features $buildWebViewerFeaturesCargoOption --release -g

    else

      echo "web_viewer feature not enabled, skipping web viewer build."

    fi

  '';

  nativeBuildInputs = [

    (lib.getBin binaryen) # wasm-opt

    pkg-config

    protobuf

    rustfmt

    nasm

  ];

  buildInputs = [