{
  lib,
  stdenvNoCC,
  fetchFromGitHub,
  glib,
  gnome-shell,
  gtk-engine-murrine,
  gtk_engines,
  inkscape,
  jdupes,
  optipng,
  sassc,
  which,
  buttonSizeVariants ? [ ], # default to standard
  buttonVariants ? [ ], # default to all
  colorVariants ? [ ], # default to all
  opacityVariants ? [ ], # default to all
  themeVariants ? [ ], # default to MacOS blue
  wallpapers ? false,
  gitUpdater,
}:

let

  pname = "mojave-gtk-theme";
  version = "2024-11-15";

  main_src = fetchFromGitHub {
    owner = "vinceliuice";
    repo = pname;
    rev = version;
    hash = "sha256-uL4lO6aWiDfOQkhpTnr/iVx1fI7n/fx7WYr5jDWPfYM=";
  };

  wallpapers_src = fetchFromGitHub {
    owner = "vinceliuice";
    repo = pname;
    rev = "1dc23c2b45d7e073e080cfb02f43aab0e59b6b2c";
    hash = "sha256-nkw8gXYx8fN1yn0A5M2fWwOvfUQ6izynxRw5JA61InM=";
    name = "wallpapers";
  };

in

lib.checkListOfEnum "${pname}: button size variants" [ "standard" "small" ] buttonSizeVariants
  lib.checkListOfEnum
  "${pname}: button variants"
  [ "standard" "alt" ]
  buttonVariants
  lib.checkListOfEnum
  "${pname}: color variants"
  [ "light" "dark" ]
  colorVariants
  lib.checkListOfEnum
  "${pname}: opacity variants"
  [ "standard" "solid" ]
  opacityVariants
  lib.checkListOfEnum
  "${pname}: theme variants"
  [
    "default"
    "blue"
    "purple"
    "pink"
    "red"
    "orange"
    "yellow"
    "green"
    "grey"
    "all"
  ]
  themeVariants

  stdenvNoCC.mkDerivation
  rec {
    inherit pname version;

    srcs = [ main_src ] ++ lib.optional wallpapers wallpapers_src;

    sourceRoot = main_src.name;

    nativeBuildInputs = [
      glib
      gnome-shell
      inkscape
      jdupes
      optipng
      sassc
      which
    ];

    buildInputs = [
      gtk_engines
    ];

    propagatedUserEnvPkgs = [
      gtk-engine-murrine
    ];

    # These fixup steps are slow and unnecessary.
    dontPatchELF = true;
    dontRewriteSymlinks = true;

    postPatch = ''
      patchShebangs \
        install.sh \
        src/main/gtk-3.0/make_gresource_xml.sh \
        src/main/gtk-4.0/make_gresource_xml.sh

      for f in \
        render-assets.sh \
        src/assets/cinnamon/thumbnails/render-thumbnails.sh \
        src/assets/gtk-2.0/render-assets.sh \
        src/assets/gtk/common-assets/render-assets.sh \
        src/assets/gtk/thumbnails/render-thumbnails.sh \
        src/assets/gtk/windows-assets/render-alt-assets.sh \
        src/assets/gtk/windows-assets/render-alt-small-assets.sh \
        src/assets/gtk/windows-assets/render-assets.sh \
        src/assets/gtk/windows-assets/render-small-assets.sh \
        src/assets/metacity-1/render-assets.sh \
        src/assets/xfwm4/render-assets.sh
      do
        patchShebangs $f
        substituteInPlace $f \
          --replace-fail /usr/bin/inkscape ${inkscape}/bin/inkscape \
          --replace-fail /usr/bin/optipng ${optipng}/bin/optipng
      done

      ${lib.optionalString wallpapers ''
        for f in ../${wallpapers_src.name}/Mojave{,-timed}.xml; do
          substituteInPlace $f --replace-fail /usr $out
        done
      ''}
    '';

    installPhase = ''
      runHook preInstall

      name= ./install.sh \
        ${
          lib.optionalString (buttonSizeVariants != [ ]) "--small " + builtins.toString buttonSizeVariants
        } \
        ${lib.optionalString (buttonVariants != [ ]) "--alt " + builtins.toString buttonVariants} \
        ${lib.optionalString (colorVariants != [ ]) "--color " + builtins.toString colorVariants} \
        ${lib.optionalString (opacityVariants != [ ]) "--opacity " + builtins.toString opacityVariants} \
        ${lib.optionalString (themeVariants != [ ]) "--theme " + builtins.toString themeVariants} \
        --icon nixos \
        --dest $out/share/themes

      rm $out/share/themes/*/COPYING

      ${lib.optionalString wallpapers ''
        mkdir -p $out/share/backgrounds/Mojave
        mkdir -p $out/share/gnome-background-properties
        cp -a ../${wallpapers_src.name}/Mojave*.jpeg $out/share/backgrounds/Mojave/
        cp -a ../${wallpapers_src.name}/Mojave-timed.xml $out/share/backgrounds/Mojave/
        cp -a ../${wallpapers_src.name}/Mojave.xml $out/share/gnome-background-properties/
      ''}

      # Replace duplicate files with soft links to the first file in each
      # set of duplicates, reducing the installed size in about 53%
      jdupes --quiet --link-soft --recurse $out/share

      runHook postInstall
    '';

    passthru.updateScript = gitUpdater { };

    meta = {
      description = "Mac OSX Mojave like theme for GTK based desktop environments";
      homepage = "https://github.com/vinceliuice/Mojave-gtk-theme";
      license = lib.licenses.gpl3Only;
      platforms = lib.platforms.unix;
      maintainers = [ lib.maintainers.romildo ];
    };
  }