anchor.diff:      libXinerama
       libXrandr
       libXrender
  +    libXres
       pcre
  -    pkg-config
     ];
   
     makeFlags = [
       "PREFIX=${placeholder "out"}"
       "CFGDIR=${placeholder "out"}/etc/xdg/neocomp"
       "ASTDIR=${placeholder "out"}/share/neocomp/assets"
  -    "COMPTON_VERSION=git-${rev}-${version}"
  +    "COMPTON_VERSION=${version}"
     ];
   
     postPatch = ''
  
positive.code: , libXinerama
  , libXrandr
  , libXrender
  , pcre
  , pkg-config
  }:
  let
    rev   = "v0.6-17-g271e784";
  in
  stdenv.mkDerivation rec {
    pname = "neocomp-unstable";
    version = "2019-03-12";
  
    src = fetchFromGitHub {
      inherit rev;
      owner  = "DelusionalLogic";
      repo   = "NeoComp";
      sha256 = "1mp338vz1jm5pwf7pi5azx4hzykmvpkwzx1kw6a9anj272f32zpg";
    };
  
    buildInputs = [
      asciidoc
      docbook_xml_dtd_45
      docbook_xsl
      freetype
      judy
      libGL
  
negative.code: 
    meta = with lib; {
      homepage        = "https://github.com/DelusionalLogic/NeoComp";
      license         = licenses.gpl3Only;
      maintainers     = with maintainers; [ twey fortuneteller2k ];
      platforms       = platforms.linux;
      description     = "A fork of Compton, a compositor for X11";
      longDescription = ''
  