anchor.diff:  
     src = fetchurl {
       url = "https://www.wireshark.org/download/src/all-versions/wireshark-${version}.tar.xz";
  -    sha256 = "0nz84zyhs4177ljxmv34vgc9kgg7ssxhxa4mssxqwh6nb00697sq";
  +    sha256 = "0ygdxpz0i4jxp55fg9x4xcan093wycjb66yas073gviz9kpj6naz";
     };
   
     cmakeFlags = [
  
positive.code:   '';
  
    meta = with stdenv.lib; {
      homepage = https://www.wireshark.org/;
      description = "Powerful network protocol analyzer";
      license = licenses.gpl2;
  
  
negative.code: with stdenv.lib;
  
  let
    version = "3.2.2";
    variant = if withQt then "qt" else "cli";
  
  in stdenv.mkDerivation {
  