{ pkgs }:

pkgs.writeShellApplication {
  name = "_timer";

  runtimeInputs = with pkgs; [
    coreutils
    libnotify
  ];

  text = ''
    mins=$1
    message=''${2:-Time out!}

    sleep $((mins * 60))

    notify-send -t 0 "''${message}" "Your timer of $mins min is over" -u normal
  '';
}