{
  lib,
  fetchurl,
  stdenvNoCC,
  unzip,
  ipsw,
  _7zz,
}:
let
  root = lib.importJSON ./assets.json;

  mkExtraFont = family: data: {
    name = lib.replaceStrings [ " " ] [ "-" ] family;
    value = stdenvNoCC.mkDerivation {
      name = family;
      srcs = map fetchurl data.assets;

      dontUnpack = true;

      installPhase = ''
        mkdir -p $out/share/fonts/apple

        i=0
        for src in $srcs; do
          mkdir $i
          ${unzip}/bin/unzip -d $i $src
          cp -v -t $out/share/fonts/apple $i/AssetData/*.{ttc,ttf,otf}

          i=$((i+1))
        done
      '';

      passthru.font = true;
      meta = with lib; {
        license = licenses.unfree;
        platforms = platforms.all;
        maintainer = with maintainers; [ artemist ];
        description = "${family} fonts as downloadable from macOS";
      };
    };
  };
in
{
  extra = lib.mapAttrs' mkExtraFont root.extra;
  allExtra = (mkExtraFont "All Extra" root.all_extra).value;

  base =
    let
      data = root.base;
    in
    stdenvNoCC.mkDerivation {
      pname = "macos-fonts-base";
      version = with data; "${version}-${build}";

      src = fetchurl { inherit (data) url hash; };

      installPhase = ''
        ${ipsw}/bin/ipsw extract $src --dmg fs
        ${_7zz}/bin/7zz e -i'!4.apfs' ${data.build}*/*.dmg

        mkdir -p $out/share/fonts/apple

        # This gives us some erros, ignore that
        # Skipping overwrite because Apple has duplicate fonts for some reason
        ${_7zz}/bin/7zz e -i'!System/Library/Fonts' \
          -i'!System/Library/PrivateFrameworks/FontServices.framework/Versions/A/Resources/Fonts/ApplicationSupport' \
          4.apfs -aos -o$out/share/fonts/apple || true
      '';

      dontUnpack = true;
    };
}