anchor.diff:  { stdenv, fetchurl, kernel, zlib }:
   
   let
  -  version = "1.0";
  +  version = "2.0";
   in
   
   stdenv.mkDerivation {
  
positive.code: 
    src = fetchurl {
      url = "http://www.atoptool.nl/download/netatop-${version}.tar.gz";
      sha256 = "1l7xs3hnfbk6h5gdrw1ikfa0fvfpb5vd447xhwfllvicblqyip8b";
    };
  
    buildInputs = [ zlib ];
  
negative.code:     license = stdenv.lib.licenses.gpl2;
      platforms = stdenv.lib.platforms.linux;
      maintainers = with stdenv.lib.maintainers; [viric];
    };
  }
  