anchor.diff:      graphicsmagick
       pkg-config
       pngquant
  -    python
  +    python3
  +    python3.pkgs.nototools
       which
       zopfli
     ];
   
     patches = [
  -    # Port to python3
  -    (fetchpatch {
  -      url = "https://src.fedoraproject.org/rpms/twitter-twemoji-fonts/raw/3bc176c10ced2824fe03da5ff561e22a36bf8ccd/f/noto-emoji-port-to-python3.patch";
  -      sha256 = "1b91abd050phxlxq7322i74nkx16fkhpw14yh97r2j4c7fqarr2q";
  -    })
  -    (fetchpatch {
  -      url = "https://src.fedoraproject.org/rpms/twitter-twemoji-fonts/raw/3bc176c10ced2824fe03da5ff561e22a36bf8ccd/f/noto-emoji-python3.patch";
  -      sha256 = "0mw2c748izb6h9a19jwc0qxlb6l1kj6k8gc345lpf7lfcxfl7l59";
  -    })
  +    # ImageMagick -> GrahphicsMagick
       (fetchpatch {
         url = "https://src.fedoraproject.org/rpms/twitter-twemoji-fonts/raw/3bc176c10ced2824fe03da5ff561e22a36bf8ccd/f/noto-emoji-use-gm.patch";
         sha256 = "0yfmfzaaiq5163c06172g4r734aysiqyv1s28siv642vqzsqh4i2";
  
positive.code: 
  { stdenv
  , fetchFromGitHub
  , cairo
  , graphicsmagick
  , pkg-config
  
negative.code: , python3
  , which
  , zopfli
  , noto-fonts-emoji
  }:
  
  let
    version = "12.1.2";
  
    twemojiSrc = fetchFromGitHub {
      name = "twemoji";
  