{
  lib,
  this,
  ...
}:
with lib; {
  nix = {
    daemonIOLowPriority = false;
    daemonProcessType = "Standard";

    settings.extra-platforms = optionalString (this.system == "aarch64-darwin") ''
      x86_64-darwin aarch64-darwin
    '';
  };

  services.nix-daemon.enable = true;

  # https://github.com/LnL7/nix-darwin/blob/master/CHANGELOG
  system.stateVersion = 4;
}