{ lib, ... }:
with lib.types; let
  inherit (lib) mkOption;
in
{
  options.local = {
    portable = mkOption {
      type = bool;
    };

    crypt = {
      toplevel = mkOption {
        default = null;

        type = nullOr (submodule {
          options = {
            device = mkOption {
              type = str;
            };

            target = mkOption {
              type = str;
            };

            headerFromBoot = mkOption {
              type = str;
            };
          };
        });
      };

      aux = mkOption {
        default = [ ];
        type = listOf (submodule {
          options = {
            device = mkOption {
              type = str;
            };

            target = mkOption {
              type = str;
            };

            header = mkOption {
              type = str;
            };

            keyfile = mkOption {
              type = str;
            };
          };
        });
      };
    };
  };
}