{ lib, pkgs, inputs, namespace, # The flake namespace, set in flake.nix. If not set, defaults to "internal". system, # The system architecture for this host (eg. `x86_64-linux`). target, # The Snowfall Lib target for this system (eg. `x86_64-iso`). format, # A normalized name for the system target (eg. `iso`). virtual, # A boolean to determine whether this system is a virtual target using nixos-generators. systems, # An attribute map of your defined hosts. config, ... }: with lib; with lib.${namespace}; let cfg = config.${namespace}.common.kernel; in { options.${namespace}.common.kernel = { enable = mkEnableOption "Modify the standard kernel settings"; version = mkOption { type = types.str; default = "linuxPackages_latest"; example = "linuxPackages_latest"; description = "Set the kernel version to be used by your system"; }; }; config = mkIf cfg.enable { boot.kernelPackages = pkgs.${cfg.version}; }; }