#!/bin/ash
#181216 sfs
# /oldroot depends on things inside /oldroot/run/archiso...
mkdir /oldrun
mount -n --move /oldroot/run /oldrun

# Unmount all mounts now.
umount $(mount | awk '$3 ~/^\/oldroot/ {print $3}' | sort -r)

[ -d /oldrun/archroot/live/memory/changes ] && umount /oldrun/archroot/live/memory/changes
umount /oldrun/archroot/root_ro
umount /oldrun/archroot/cowspace_dev
#sh
    if [ "`grep break=down /proc/cmdline`" ]; then
        echo ":: '${break}' Break requested, type 'exit' to resume operation"
        sh 2>/dev/null
    fi
#sh
X(){ 
# Remove all dm-snapshot devices.
dmsetup remove_all

# Remove all loopback devices.
for _lup in $(grep ^/dev/loop /oldrun/archiso/used_block_devices | tac); do
    if ! losetup -d ${_lup} 2> /dev/null; then
        umount -d ${_lup}
    fi
done

# Unmount the space used to store *.cow.
umount /oldrun/archiso/cowspace
umount /oldrun/archiso/cowspace_dev

# Unmount boot device if needed (no copytoram=y used)
if [[ ! -d /oldrun/archiso/copytoram ]]; then
    if [[ -d /oldrun/archiso/img_dev ]]; then
        umount /oldrun/archiso/img_dev
    else
        umount /oldrun/archiso/bootmnt
    fi
fi
}
# reboot / poweroff / halt, depending on the argument passed by init
# if something invalid is passed, we halt
case "$1" in
  reboot|poweroff|halt) "$1" -f ;;
  *) halt -f;;
esac
