anchor.diff:    preConfigure = "echo \"\" > third-party/CMakeLists.txt";
   
     postInstall = ''
  -    wrapProgram "$out/bin/nvim-qt" --prefix PATH : "${neovim}/bin"
  +    wrapQtProgram "$out/bin/nvim-qt" \
  +      --prefix PATH : "${neovim}/bin"
     '';
   
     meta = with stdenv.lib; {
  
positive.code:     jinja2 msgpack python
    ]);
  
    nativeBuildInputs = [ cmake doxygen makeWrapper ];
  
    enableParallelBuilding = true;
  
  
negative.code: { stdenv, fetchFromGitHub, cmake, doxygen
  , libmsgpack, makeQtWrapper, neovim, pythonPackages, qtbase }:
  
  stdenv.mkDerivation rec {
    name = "neovim-qt-${version}";
    version = "0.2.5";
  
    src = fetchFromGitHub {
      owner  = "equalsraf";
      repo   = "neovim-qt";
      rev    = "v${version}";
      sha256 = "1q706k400j5v9kans71yjz9p36ran2lpz29m4vjzj920llksln3d";
    };
  
    cmakeFlags = [
  