{
  lib,
  config,
  ...
}:
let
  inherit (lib) mkOption;
in
{
  options.mainUser = mkOption {
    type = lib.types.str;
  };
  config.home =
    let
      inherit (config) mainUser;
    in
    {
      username = mainUser;
      homeDirectory = "/home/${mainUser}";
    };
}