{ lib, config, ... }: let jackett_data_directory = "/var/lib/jackett/.config/Jackett"; in { config = lib.mkIf (config.services.jackett.enable && config.host.impermanence.enable) { assertions = [ { assertion = config.services.jackett.dataDir == jackett_data_directory; message = "jackett data directory does not match persistence"; } ]; environment.persistence."/persist/system/root" = { directories = [ { directory = jackett_data_directory; user = "jackett"; group = "jackett"; } ]; }; }; }