{ config, lib, ... }: let inherit (lib) mkIf; deviceType = config.myOptions.device.roles.type; acceptedTypes = ["laptop" "desktop"]; in { config = mkIf (builtins.elem deviceType acceptedTypes) { services = { # enable GVfs - a userspace virtual filesystem gvfs.enable = true; # storage daemon required for udiskie auto-mount udisks2.enable = true; }; }; }