anchor.diff:      else throw "ImageMagick is not supported on this platform.";
   
     cfg = {
  -    version = "6.9.9-26";
  -    sha256 = "10rcq7b9hhz50m4yqnm4g3iai7lr9jkglb7sm49ycw59arrkmwnw";
  +    version = "6.9.9-28";
  +    sha256 = "132kdl7jlkghfg3smdab14c29cpvrx65ibipxkmwg1nc88ycqivh";
       patches = [];
     }
       # Freeze version on mingw so we don't need to port the patch too often.
  
positive.code:   name = "imagemagick-${version}";
    inherit (cfg) version;
  
    src = fetchurl {
      urls = [
        "mirror://imagemagick/releases/ImageMagick-${version}.tar.xz"
        # the original source above removes tarballs quickly
        "http://distfiles.macports.org/ImageMagick/ImageMagick-${version}.tar.xz"
        "https://bintray.com/homebrew/mirror/download_file?file_path=imagemagick-${version}.tar.xz"
      ];
      inherit (cfg) sha256;
    };
  
  
negative.code: { lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig, libtool
  , bzip2, zlib, libX11, libXext, libXt, fontconfig, freetype, ghostscript, libjpeg
  , lcms2, openexr, libpng, librsvg, libtiff, libxml2, openjpeg, libwebp
  , ApplicationServices
  