nixos/hosts/Legion/configuration.nix

{
  config,
  pkgs,
  ...
}: {
  users.mutableUsers = false;
  system.autoUpgrade = {
    enable = true;
    flake = "git+${config.nix.registry.nixos.to.url}";
    flags = ["-L"]; # Print build logs
    dates = "02:00";
    randomizedDelaySec = "15min";
    allowReboot = true;
    rebootWindow = {
      lower = "02:00";
      upper = "05:00";
    };
  };
  environment.systemPackages = with pkgs; [nil];
}