{ pkgs, ... }:

{

  home.packages = [ (pkgs.writeShellScriptBin "nix-cleanup" ''
    set -eu

    # Delete everything from this profile that isn't currently needed
    nix-env --delete-generations old

    # Delete generations older than a week
    nix-collect-garbage
    nix-collect-garbage --delete-older-than 7d

    # Optimize
    nix-store --gc --print-dead
    nix-store --optimise
  '') ];

}