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#!/bin/sh
. /lib/init/initmethod-bbinit-functions.sh
. /lib/init/rc-once.sh
start() {
mount_root_rw || exit 1
if run_rc_once; then
systemctl disable --quiet rc-once.target
fi
systemctl daemon-reexec
sleep 1
exec "$0" umount
}
umount() {
if ! mount_root_restore; then
# remounting rw/ro during the second boot will flush anything
# left in the filesystem journal
systemctl enable --quiet rc-once.target
systemctl reboot
else
systemctl default
fi
}
case "$1" in
start|"")
start
;;
umount)
umount
;;
*)
echo "Usage: $0 {start|umount}" >&2
exit 1
;;
esac
exit 0
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