{ pkgs, ... }:

let
  cb-mount = pkgs.writeScriptBin "cb-mount" ''
  #!${pkgs.bash}/bin/bash

  DEVICE=/dev/disk/by-path/pci-0000:00:12.0-ata-2-part1

  cryptsetup luksOpen ''${DEVICE} external-drive
  mkdir -p /mnt/external-drive
  mount /dev/mapper/external-drive /mnt/external-drive
  '';

  cb-sync = pkgs.writeScriptBin "cb-sync" ''
  #!${pkgs.bash}/bin/bash

  # Check, if the something is mounted in our sycdir
  if grep -qs '/mnt/external-drive' /proc/mounts
  then
    rsync -rltD '/mnt/palladium/alpha.0/clerie-backup/clerie-backup-replication/' '/mnt/external-drive/clerie-backup'
  else
    echo "Please plug in a backup drive and mount it using cb-mount"
  fi
  '';

  cb-unmount = pkgs.writeScriptBin "cb-unmount" ''
  #!${pkgs.bash}/bin/bash

  umount /mnt/external-drive
  cryptsetup luksClose external-drive
  '';

in {
  environment.systemPackages = with pkgs; [ pkgs.cryptsetup pkgs.rsync cb-mount cb-sync cb-unmount ];
}