anchor.diff:  with lib;
   
   let
  -  version = "3.4.5";
  +  version = "3.4.6";
     variant = if withQt then "qt" else "cli";
   
   in stdenv.mkDerivation {
  
positive.code: 
    meta = with lib; {
      homepage = "https://www.wireshark.org/";
      description = "Powerful network protocol analyzer";
      license = licenses.gpl2Plus;
  
  
negative.code: 
    src = fetchurl {
      url = "https://www.wireshark.org/download/src/all-versions/wireshark-${version}.tar.xz";
      sha256 = "0a26kcj3n1a2kw1f3fc6s1x3rw3f3bj2cq6rp7k0kc4ciwh7i9hj";
    };
  
    cmakeFlags = [
  