{ config, pkgs, lib, ... }:
with builtins // lib;
let
  cfg = config.build.koboroot;
in {
  options.build = {
    koboroot = {
      unpacked-payload = mkOption {
        type = types.path;
        internal = true;
        readOnly = true;
        default = config.koboroot.finalPackage;
      };
      payload = mkOption {
        type = types.path;
        internal = true;
        readOnly = true;
        default = pkgs.runCommandLocal "koboroot-payload" {} ''
          mkdir $out
          tar czvf $out/KoboRoot.tgz --directory="${cfg.unpacked-payload}" . --mode=u+w
        '';
      };
      deploy = mkOption {
        internal = true;
        readOnly = true;
        type = types.package;
        default = pkgs.kobo-deploy cfg.payload;
      };
    };
  };
}