{ config, lib, ... }: let cfg = config.homelab.apps.calibre; in { options.homelab.apps.calibre.enable = lib.mkEnableOption "Calibre"; config = lib.mkIf cfg.enable { users.users.calibre = { uid = lib.mkForce 3010; isSystemUser = true; group = config.users.groups.media.name; home = "/var/empty"; shell = null; }; }; }