anchor.diff:      owner = "harfbuzz";
       repo = "harfbuzz";
       rev = version;
  -    sha256 = "sha256-K6iScmg1vNfwb1UYqtXsnijLVpcC+am2ZL+W5bLFzsI=";
  +    sha256 = "1pry5w6anwi0qykpj1q3232r7cmfrw9yv4wwwrh028z0361fyxrv";
     };
  -
  -  patches = [
  -    (fetchpatch {
  -      name = "aarch64-test-narrowing.diff";
  -      url = "https://github.com/harfbuzz/harfbuzz/commit/04d28d94e576aab099891e6736fd0088dfac3366.diff";
  -      sha256 = "sha256-099GP8t1G0kyYl79A6xJhfyrs3WXYitvn+He7sEz+Oo=";
  -    })
  -  ];
   
     postPatch = ''
       patchShebangs src/*.py test
  
positive.code: }:
  
  let
    version = "5.1.0";
    inherit (lib) optional optionals optionalString;
    mesonFeatureFlag = opt: b:
      "-D${opt}=${if b then "enabled" else "disabled"}";
  
negative.code: { lib
  , stdenv
  , fetchFromGitHub
  , pkg-config
  , glib
  , freetype
  