anchor.diff:    meta = with stdenv.lib; {
       description = "Qt Tox client";
       license = licenses.gpl3;
  -    maintainers = with maintainers; [ viric jgeerds akaWolf ];
  +    maintainers = with maintainers; [ viric jgeerds akaWolf peterhoeg ];
       platforms = platforms.all;
     };
   }
  
positive.code: 
  stdenv.mkDerivation rec {
    name = "qtox-${version}";
    version = "1.9.0";
  
    src = fetchFromGitHub {
      owner  = "tux3";
      repo   = "qTox";
      rev    = "v${version}";
      sha256 = "0l008mzrs1wsv5cbzxjkv3k48lghlcdsp8blqrkihjv5gcn3psml";
    };
  
    buildInputs = [
  
negative.code:   installPhase = ''
      runHook preInstall
  
      install -Dm755 qtox $out/bin/qtox
      wrapQtProgram $out/bin/qtox
  
      runHook postInstall
  