{ config, lib, pkgs, ... }: with lib; { options.components.virtualisation.virtualbox.enable = lib.mkOption { type = lib.types.bool; default = config.components.virtualisation.enable; }; config = mkIf config.components.virtualisation.virtualbox.enable { virtualisation.virtualbox = { host.enable = true; guest.enable = true; }; users.extraGroups.vboxusers.members = [ config.users.users.mainUser.name ]; }; }