anchor.diff:  
     preBuild = ''
       substituteInPlace scripts/scripts.pro \
  -      --replace /bin/true ${coreutils}/bin/true \
  -      --replace /usr/bin $out/bin
  -    substituteInPlace src/src.pro \
  -      --replace /usr/bin $out/bin \
  -      --replace /usr/share $out/share
  -    for i in doc/doc.pro doc/stats/stats.pro
  -    do
  -      substituteInPlace $i \
  -        --replace /usr/share $out/share
  -    done
  +      --replace /bin/true ${coreutils}/bin/true
   
  -    for i in src/MainWindow.cpp src/FileSizeStatsWindow.cpp
  +    for i in src/SysUtil.cpp src/FileSizeStatsWindow.cpp
       do
         substituteInPlace $i \
           --replace /usr/bin/xdg-open ${xdg_utils}/bin/xdg-open
  
positive.code: , makeWrapper, perlPackages }:
  
  let
    version = "1.4";
  in stdenv.mkDerivation rec {
    name = "qdirstat-${version}";
  
  
negative.code:     owner = "shundhammer";
      repo = "qdirstat";
      rev = "${version}";
      sha256 = "1v879kd7zahalb2qazq61wzi364k5cy3lgy6c8wj6mclwxjws1vc";
    };
  
    nativeBuildInputs = [ qmake makeWrapper ];
  