{
  inputs = {
    nixpkgs.url      = "github:nixos/nixpkgs/nixos-unstable";
    flake-utils.url  = "github:numtide/flake-utils";
    nixgl.url        = "github:guibou/nixGL";
  };

  outputs = { self, nixpkgs, flake-utils, nixgl, ... }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [ nixgl.overlay ];
        pkgs = import nixpkgs {
          inherit system overlays;
        };
        naga-cli = pkgs.rustPlatform.buildRustPackage rec {
          pname = "naga-cli";
          version = "0.19.0";

          src = pkgs.fetchCrate {
            inherit pname version;
            hash = "sha256-zR7Al5aMG8VTdjZwaZtjeDFI6WFD0N6MCrrLP/9PeZ8=";
          };

          cargoHash = "sha256-/5srWh4CjD8S/hRFRTJE//X6TgIfbwnMKmgRMjX3084=";
        };
      in
      {
        devShell = pkgs.mkShell {
          buildInputs = with pkgs; (if pkgs.system == "aarch64-darwin" || pkgs.system == "x86_64-darwin" then [
            pkg-config
            binutils
            clang
            naga-cli
            darwin.apple_sdk.frameworks.Kernel
            darwin.apple_sdk.frameworks.CoreVideo
            darwin.apple_sdk.frameworks.Metal
            darwin.apple_sdk.frameworks.MetalKit
            darwin.apple_sdk.frameworks.Cocoa
          ]  else throw "unsupported system" );
        };
      }
    );
}