{
  pkgs,
  mainUser,
  inputs,
  ...
}:
{
  services.greetd = {
    enable = true;
    restart = false;
    settings =
      let
        session = {
          command = "niri-session";
          user = "${mainUser}";
        };
      in
      {
        default_session = session;
        initial_session = session;
      };
  };
  programs.niri = {
    enable = true;
    package = inputs.niri.packages.${pkgs.system}.niri-unstable;
  };
  services.niri-tag.enable = true;
}