{ profile }: let shim = { config, lib, pkgs, ... }: { boot.loader.systemd-boot.enable = !config.boot.loader.generic-extlinux-compatible.enable && !config.boot.loader.raspberryPi.enable; # we forcefully disable grub here just for testing purposes, even though some profiles might still use grub in the end. boot.loader.grub.enable = false; # so we can have assertions that require a certain minimum kernel version, # We use a priority of 1200 here, which is higher than the default of 1000 boot.kernelPackages = lib.mkOverride 1200 pkgs.linuxPackages_latest; fileSystems."/" = { device = "/dev/disk/by-uuid/00000000-0000-0000-0000-000000000000"; fsType = "btrfs"; }; nixpkgs.config = { allowBroken = true; allowUnfree = true; nvidia.acceptLicense = true; }; }; in (import { configuration.imports = [ profile shim ]; }).system