{ lib, config, ... }: let inherit (lib) mkOption types; cfg = config.myOptions.device.roles; in { options.myOptions.device.roles = { type = mkOption { type = types.enum ["laptop" "desktop" "server"]; default = ""; description = '' The type/purpoes of the device that will be used within the rest of the configuration. - laptop: portable devices with battery optimizations - desktop: stationary devices configured for maximum performance - server: server and infrastructure ''; }; virtual-machine = mkOption { type = lib.types.bool; default = false; description = "Is this system a virtual machine?"; }; isWorkstation = mkOption { type = lib.types.bool; default = builtins.elem cfg.type ["laptop" "desktop"]; readOnly = true; description = '' Is this machine a workstation? Workstation machines are meant for regular day-to-day use. ''; }; }; }