{ config, pkgs, lib, ... }: { options.vuizvui.system.kernel.useBleedingEdge = lib.mkOption { type = lib.types.bool; default = false; description = '' Whether to always use the latest kernel, even if it's still a release canidate version. ''; }; config = lib.mkIf config.vuizvui.system.kernel.useBleedingEdge { boot.kernelPackages = let inherit (lib) take splitString replaceStrings; inherit (pkgs) linux_latest linux_testing; dotizeVer = replaceStrings ["-"] ["."]; trimVer = ver: take 2 (splitString "." (dotizeVer ver)); tooOld = trimVer linux_latest.version == trimVer linux_testing.version; kernel = if tooOld then linux_latest else linux_testing; in pkgs.linuxPackagesFor kernel; }; }