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