#!/bin/sh

# This script handles selecting whether to enable opal nesting with dm-crypt

. /lib/partman/lib/crypto-base.sh

dev=$2
id=$3
part=$dev/$id

[ -f $part/method ] || exit 0
[ -f $part/crypto_type ] || exit 0
[ -f $part/cipher ] || exit 0

method=$(cat $part/method)
type=$(cat $part/crypto_type)
cipher=$(cat $part/cipher)
disk=$(cat $dev/device)

if [ $method = crypto ] && [ $type = dm-crypt ] && /sbin/cryptsetup --help | grep -q hw-opal && blockdev-opal-supported $disk; then
	crypto_dooption $part $type $cipher nested_opal
fi

