{
  programs.nixvim.lsp = {
    servers = {
      lua_ls.enable = true;
      nixd = {
        enable = true;
        config = {
          formatting.command = [ "nixfmt" ];
          nixpkgs.expr = "import <nixpkgs> { }";
          options =
            let
              flake = "(builtins.getFlake \"/home/user/nix-config/\")";
            in
            {
              nixos.expr = "${flake}.nixosConfigurations.desktop.options";
              home_manager.expr = "${flake}.nixosConfigurations.desktop.options.home-manager.users.type.getSubOptions []";
            };
        };
      };
    };
  };
}