blob: 8d5c6726c9ba20576b40a84f63b4d0e2df1bc697 [file] [log] [blame]
#!/bin/sh
echo shutdown: "$@"
export PS1=shutdown-sh#\
# exec bin/sh
cd /
if [ ! -e /proc/mounts ]
then
mkdir -p /proc
mount proc /proc -tproc
umount_proc=1
else
umount_proc=
fi
# Remove an empty oldroot, that means we are not invoked from systemd-shutdown
rmdir /oldroot 2>/dev/null
# Move /oldroot/run to /mnt in case it has the underlying rofs loop mounted.
# Ordered before /oldroot the overlay is unmounted before the loop mount
mkdir -p /mnt
mount --move /oldroot/run /mnt
set -x
for f in $( awk '/oldroot|mnt/ { print $2 }' < /proc/mounts | sort -r )
do
umount $f
done
set +x
update=/run/initramfs/update
image=/run/initramfs/image-
if test -s /run/fw_env -a -c /run/mtd:u-boot-env -a ! -e ${image}u-boot-env &&
! cmp /run/mtd:u-boot-env /run/fw_env
then
ln -sn /run/fw_env ${image}u-boot-env
fi
if ls $image* > /dev/null 2>&1
then
if test -x $update
then
$update --clean-saved-files
remaining=$(ls $image*)
if test -n "$remaining"
then
echo 1>&2 "Flash update failed to flash these images:"
echo 1>&2 "$remaining"
else
echo "Flash update completed."
fi
else
echo 1>&2 "Flash update requested but $update program missing!"
fi
fi
echo Remaining mounts:
cat /proc/mounts
test "$umount_proc" && umount /proc && rmdir /proc
# tcsattr(tty, TIOCDRAIN, mode) to drain tty messages to console
test -t 1 && stty cooked 0<&1
# Execute the command systemd told us to ...
if test -d /oldroot && test "$1"
then
if test "$1" = kexec
then
$1 -f -e
else
$1 -f
fi
fi
echo "Execute ${1-reboot} -f if all unounted ok, or exec /init"
export PS1=shutdown-sh#\
exec /bin/sh