{...}: {
  # needed for the hm impermanence config
  programs.fuse.userAllowOther = true;

  environment.persistence = {
    "/srv" = {
      hideMounts = true;
      directories = [
        "/etc/nixos"
        "/var/log"
        "/etc/NetworkManager" # this shouldn't hurt even if networkmanager isn't installed
        # TODO this needs to be checked
        #"/var/lib/bluetooth"
        #"/var/lib/nixos"
        #"/var/lib/systemd/coredump"
      ];
      files = [
        "/etc/machine-id"
      ];
    };
  };
}