nixos/faucet/gui/greetd.nix

{ pkgs
, lib
, config
, ... }: with lib; let
  cfg = config.faucet.gui;
in mkIf (cfg.enable && cfg.session) {
  programs.regreet.enable = true;

  environment.persistence."/nix/persist/fhs".directories = [ "/var/cache/regreet" ];
}