nix/pkgs/arc-mono-gtk-theme.nix

{
  lib,
  stdenv,
  fetchFromGitHub,
  sassc,
  meson,
  ninja,
  glib,
  gnome-themes-extra,
  gtk-engine-murrine,
  inkscape,
  cinnamon,
  makeFontsConf,
  python3,
}:
stdenv.mkDerivation rec {
  pname = "arc-theme";
  version = "i don't care";

  src = fetchFromGitHub {
    owner = "krizej";
    repo = pname;
    rev = "346bcf59a681ec039ee6bfb621d7af476913c2d9";
    sha256 = "sha256-/ZS3w0h9/EfCEegqeUOhjOMJCNL5ft91GOvC0i1BiOk=";
  };

  nativeBuildInputs = [
    meson
    ninja
    sassc
    inkscape
    glib # for glib-compile-resources
    python3
  ];

  propagatedUserEnvPkgs = [
    gnome-themes-extra
    gtk-engine-murrine
  ];

  postPatch = ''
    patchShebangs meson/install-file.py
  '';

  preBuild = ''
    # Shut up inkscape's warnings about creating profile directory
    export HOME="$TMPDIR"
  '';

  # Fontconfig error: Cannot load default config file: No such file: (null)
  FONTCONFIG_FILE = makeFontsConf {fontDirectories = [];};

  mesonFlags = [
    "-Dthemes=gtk2,gtk3,gtk4"
    "-Dvariants=dark"
    #"-Dcinnamon_version=${cinnamon.cinnamon-common.version}"
    #"-Dgnome_shell_version=${gnome.gnome-shell.version}"
    # You will need to patch gdm to make use of this.
    #"-Dgnome_shell_gresource=true"
  ];

  meta = with lib; {
    description = "Flat theme with transparent elements for GTK 3, GTK 2 and Gnome Shell";
    homepage = "https://github.com/jnsh/arc-theme";
    license = licenses.gpl3Only;
    platforms = platforms.linux;
    maintainers = with maintainers; [simonvandel romildo];
  };
}