{ pkgs, ... }:

{
  environment.systemPackages = [
    (pkgs.writeShellApplication {
      name = "nix-cleanup";
      runtimeInputs = with pkgs; [
        coreutils-full
        btrfs-progs
        util-linux
        nix
      ];
      text = builtins.readFile ./cleanup.sh;
    })
  ];
}