anchor.diff:  let
     copyUdevRuleToOutput = name: rule:
       "cp ${writeText name rule} $out/etc/udev/rules.d/${name}";
  -in stdenv.mkDerivation rec {
  +in mkDerivation rec {
     pname = "digitalbitbox";
  -  version = "2.2.2";
  +  version = "3.0.0";
   
     src = fetchFromGitHub {
       owner = "digitalbitbox";
       repo = "dbb-app";
       rev = "v${version}";
  -    sha256 = "1r77fvqrlaryzij5dfbnigzhvg1d12g96qb2gp8dy3xph1j0k3s1";
  +    sha256 = "ig3+TdYv277D9GVnkRSX6nc6D6qruUOw/IQdQCK6FoA=";
     };
   
  -  nativeBuildInputs = with stdenv.lib; [
  +  nativeBuildInputs = with lib; [
       autoreconfHook
       curl
       git
  
positive.code:       vidbina
      ];
      platforms = platforms.linux;
      broken = true;
    };
  }
  
negative.code: , libtool
  , qrencode
  , udev
  , libusb1
  , makeWrapper
  , pkgconfig
  , qtbase
  