#!/bin/sh

trap 'exec sh' EXIT

export PATH="/usr/sbin:/usr/bin:/sbin:/bin"

mount -t proc proc /proc
mount -t devtmpfs devtmpfs /dev
# use -p to avoid "directory exists" error
mkdir -p /dev/pts
# /dev/pts for dropbear
mount -t devpts devpts /dev/pts

(
ip link set eth0 up
udhcpc -i eth0
# -p 2222 to avoid host key clash
dropbear -p 2222
) >/dev/null 2>&1 &

root=$(findfs UUID=ec8fb072-1200-4275-9494-f6f869187806) || exit
cryptsetup open --tries 65535 --allow-discards "$root" root
# in case of /sbin/unlock
[ -e /dev/mapper/root ] || exit
e2fsck -C 0 -E inode_count_fullmap -p /dev/mapper/root || exit
mount -o nodev /dev/mapper/root /mnt || exit

kill -9 -1
ip link set eth0 down

cd /mnt || exit
umount -n /dev/pts /dev /proc
exec switch_root . /usr/lib/systemd/systemd