anchor.diff:      rev = "v${version}";
       fetchSubmodules = true;
       sha256 = if unfree
  -      then "1rnf4a8vgddz8x55rpqaihlxmqip1kgpdhqb4d3l71h1zmidg5k3"
  +      then "0a9xk163j0984n8nn6pqf27n83gr6w7g25wkiv591zx88pa6cpbd"
         else "0gd49lns2bpzbkwax5jf9x1xmg1j8ij997kcxr2596cwiswnw4di";
     };
   
     nativeBuildInputs = [ cmake pkgconfig ];
   
     buildInputs = [
  -    curl freetype giflib libjpeg libpng libwebp pixman tinyxml zlib
  +    curl freetype giflib harfbuzz libjpeg libpng libwebp pixman tinyxml zlib
       libX11 libXext libXcursor libXxf86vm
  -  ] ++ lib.optionals unfree [ cmark ];
  +  ] ++ lib.optionals unfree [ cmark harfbuzz ];
  +
  +  patches = lib.optionals unfree [
  +    (fetchpatch {
  +      url = "https://github.com/aseprite/aseprite/commit/cfb4dac6feef1f39e161c23c886055a8f9acfd0d.patch";
  +      sha256 = "1qhjfpngg8b1vvb9w26lhjjfamfx57ih0p31km3r5l96nm85l7f9";
  +    })
  +    (fetchpatch {
  +      url = "https://github.com/orivej/aseprite/commit/ea87e65b357ad0bd65467af5529183b5a48a8c17.patch";
  +      sha256 = "1vwn8ivap1pzdh444sdvvkndp55iz146nhmd80xbm8cyzn3qmg91";
  +    })
  +  ];
   
     postPatch = ''
       sed -i src/config.h -e "s-\\(#define VERSION\\) .*-\\1 \"$version\"-"
  
positive.code: { stdenv, lib, fetchFromGitHub, cmake, pkgconfig
  , curl, freetype, giflib, libjpeg, libpng, libwebp, pixman, tinyxml, zlib
  , libX11, libXext, libXcursor, libXxf86vm
  , unfree ? false
  , cmark
  
negative.code: 
  stdenv.mkDerivation rec {
    name = "aseprite-${version}";
    version = if unfree then "1.2.9" else "1.1.7";
  
    src = fetchFromGitHub {
      owner = "aseprite";
  