{pkgs, ...}: let
  toTOML = (pkgs.formats.toml {}).generate;
in {
  users.users.someone.packages = [pkgs.walker pkgs.elephant];

  xdg.configFile."walker/config.toml".source = toTOML "config.toml" {
    keys = {
      launcher = "Mod+Space";
      quit = {
        quit = "Mod+Shift+Q";
        reload = "Mod+Shift+R";
      };
    };
    look = {
      all_monitors = true;
      background = "#1f1d2e";
      foreground = "#cdd6f4";
      selection = "#45475a";
      active = "#89b4fa";
      urgent = "#f38ba8";
      alt_background = "#181825";
      icon_theme = "Papirus-Dark";
      terminal = "alacritty";
      font = {
        name = "Source Code Pro";
        size = 14;
      };
    };
  };

  systemd.user.services.elephant = {
    wantedBy = ["graphical-session.target"];
    after = ["graphical-session.target"];
    serviceConfig = {
      ExecStart = "${pkgs.elephant}/bin/elephant";
      Restart = "on-failure";
      Type = "simple";
    };
  };
}
