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path: root/archiso/initcpio/script/archiso_shutdown
blob: 41b3945b47c1d785679ca1b3c089fd17c6ee3bf7 (plain)
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#!/bin/ash

# /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)

# 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

# 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