+while [ ! -e /dev/"${secrets_dev}" ]; do
+ echo "Put secrets drive into slot for /dev/${secrets_dev}, then hit Return."
+ read ignore
+done
+sudo pmount /dev/"${secrets_dev}"
+cp -a "${source_dir}" "${target_dir}"
+sudo pumount "${secrets_dev}"
+echo "You can remove /dev/${secrets_dev} now."
+cd "${target_dir}"