Merge pull request #312863 from Mic92/netboot

    # here and it causes a cyclic dependency.

    boot.loader.grub.enable = false;

    # !!! Hack - attributes expected by other modules.

    environment.systemPackages = [ pkgs.grub2_efi ]

      ++ (lib.optionals (lib.meta.availableOn pkgs.stdenv.hostPlatform pkgs.syslinux)

        [pkgs.grub2 pkgs.syslinux]);

    fileSystems."/" = mkImageMediaOverride

      { fsType = "tmpfs";

        options = [ "mode=0755" ];