{
  lib,
  config,
  pkgs,
  ...
}:
with lib;
{
  options = {
    me = rec {
      name = mkOption {
        type = types.str;
        default = builtins.getEnv "HOME";
        defaultText =
          # nix
          literalExpression ''
            builtins.getEnv "HOME"
          '';
        description = ''
          Your username, for use as your home folder and login name.
        '';
      };

      username = mkOption {
        type = types.str;
        default = name;
        defaultText = literalMD "{option}`home.me.name`";
        description = ''
          Your username, for external profiles.
        '';
      };

      email = mkOption {
        type = with types; nullOr str;
        default = null;
        description = ''
          Your email.
        '';
      };

      git.name = mkOption {
        type = with types; nullOr str;
        default = null;
        description = ''
          Your git committer name.
        '';
      };

      git.email = mkOption {
        type = with types; nullOr str;
        default = email;
        defaultText = literalMD "{option}`home.me.email`";
        description = ''
          Your git committer email.
        '';
      };
    };
  };

  config =
    let
      cfg = config.me;
      homeDir = if pkgs.stdenv.isDarwin then "Users" else "home";
    in
    {
      home.username = cfg.name;
      home.homeDirectory = "/${homeDir}/${cfg.name}";
    };
}