{
  systemConfiguration = { config, ... }: {
    isNormalUser = true;
    # TODO: Don't hard-code `persist`.  Use
    # config.sydnix.impermanence.persistGroupName.
    extraGroups = [ "wheel" "persist" ];
    initialHashedPassword =
      "$y$j9T$aEFDDwdTZbAc6VQRXrkBJ0$K8wxTGTWDihyX1wxJ.ZMH//wmQFfrGGUkLkxIU0Lyq8";
  };

  homeConfiguration = { config, lib, pkgs, ... }: {
    imports = [
      ./programs.nix
      ./files.nix
    ];

    sydnix = {
      sops = {
        enable = true;
        keyFile = "/persist/user-files/${config.home.username}/key.txt";
        secrets = {
          lastfm-password = {};
          librefm-password = {};
        };
      };

      mpd = {
        enable = true;
        scrobbling.endpoints = {
          "last.fm" = {
            passwordFile = config.sydnix.sops.secrets.lastfm-password.path;
            username = "crumb1";
          };
          "libre.fm" = {
            passwordFile = config.sydnix.sops.secrets.librefm-password.path;
            username = "crumbtoo";
          };
        };
      };
    };

    home.packages = [
    ];

    # Don't touch!
    home.stateVersion = "18.09";
  };
}