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#!/bin/sh
/bin/mount -t proc proc /proc
/bin/mount -t sysfs sys /sys
for i in $(cat /proc/cmdline); do
if [ "$i" = "ro" ] ; then
READONLY="y"
elif [ "${i#root=}" != "$i" ] ; then
ROOTFS="${i#root=}"
elif [ "$i" = "decrypt" ] ; then
DECRYPT="y"
fi
done
MOUNT_OPTS="noatime"
if [ "${DECRYPT}" = "y" ]; then
if [ "${READONLY}" == "y" ]; then
READONLY="--readonly"
else
READONLY=""
fi
/sbin/cryptsetup open ${ROOTFS} root-crypt ${READONLY} --type plain --cipher aes-xts-plain --key-file /key-file
/bin/mount -o "${MOUNT_OPTS}" /dev/mapper/root-crypt /newroot
else
if [ "${READONLY}" == "y" ]; then
MOUNT_OPTS="ro,${MOUNT_OPTS}"
fi
/bin/mount -o "${MOUNT_OPTS}" ${ROOTFS} /newroot
fi
[ -f "/hakchi/init" ] && sh "/hakchi/init"
/bin/mount --move /dev /newroot/dev
/bin/umount /proc
/bin/umount /sys
exec /sbin/switch_root /newroot /sbin/init
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