anchor.diff:  , lsb-release
   , mkDerivation
   , pkgconfig
  -, qmake
   , qtbase
  -, qtsvg
   , qttools
   , sqlite
   , swig
  
positive.code:     doxygen
      lsb-release
      pkgconfig
      qmake
      qttools
      swig
    ];
  
negative.code: 
  mkDerivation rec {
    name = "megasync-${version}";
    version = "4.2.3.0";
  
    src = fetchFromGitHub {
      owner = "meganz";
      repo = "MEGAsync";
      rev = "v${version}_Linux";
      sha256 = "0l4yfrxjb62vc9dnlzy8rjqi68ga1bys5x5rfzs40daw13yf1adv";
      fetchSubmodules = true;
    };
  
  