# Validates btop sub-options require the main module to be enabled { config, ... }: let cfg = config.system.btop; in { assertions = [ { assertion = !cfg.nvidia.enable || cfg.enable; message = "system.btop.nvidia.enable requires system.btop.enable."; } { assertion = !cfg.amd.enable || cfg.enable; message = "system.btop.amd.enable requires system.btop.enable."; } ]; }