{ config, pkgs, ... }:

{
  services.btrbk = {
    extraPackages = [ pkgs.mbuffer ];
    instances.btrbk = {
      onCalendar = "hourly";
      settings = {
        subvolume = "/home";
        snapshot_preserve = "40d";
        snapshot_preserve_min = "4d";
        snapshot_dir = "/btrbk_snapshots";
        target = "/run/media/till/backup";
        target_preserve_min = "no";
        target_preserve = "40d 52w *m";
      };
    };
  };
}