{
  pkgs,
  lib,
  config,
  ...
}:
with lib;
let
  cfg = config.home.gnome;
in
{
  imports = [ ./impl/nixos.nix ];

  options.home.gnome = {
    enable = mkEnableOption "GNOME desktop environment";
  };

  config = {
    users.homeModules = [
      # this module passes gnome configuration to home-manager
      { passthrough.gnome = cfg; }
    ];

    specialisation.nognome =
      with cfg;
      mkIf enable {
        configuration = {
          home.gnome.enable = mkForce false;
        };
      };
  };
}