{pkgs ? import <nixpkgs> {}}: let  stdenv = pkgs.stdenvAdapters.useMoldLinker pkgs.llvmPackages_18.stdenv;in  if pkgs.stdenv.isDarwin  then    # See https://github.com/NixOS/nixpkgs/issues/320084    throw "zed: nix dev-shell isn't supported on darwin yet."  else let    buildInputs = with pkgs; [      curl      fontconfig      freetype      libgit2      openssl      sqlite      zlib      zstd      alsa-lib      libxkbcommon      wayland      xorg.libxcb      vulkan-loader      rustc      cargo    ];  in    pkgs.mkShell.override {inherit stdenv;} {      nativeBuildInputs = with pkgs; [        clang        curl        cmake        perl        pkg-config        protobuf        rustPlatform.bindgenHook      ];       inherit buildInputs;       shellHook = ''        export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath buildInputs}:$LD_LIBRARY_PATH"        export PROTOC="${pkgs.protobuf}/bin/protoc"      '';       FONTCONFIG_FILE = pkgs.makeFontsConf {        fontDirectories = [          "./assets/fonts/zed-mono"          "./assets/fonts/zed-sans"        ];      };      ZSTD_SYS_USE_PKG_CONFIG = true;    }