#! /bin/sh

### BEGIN INIT INFO

# Provides:          umountroot

# Required-Start:

# Required-Stop:

# Should-Stop:       halt reboot kexec

# Default-Start:

# Default-Stop:      0 6

# Short-Description: Mount the root filesystem read-only.

### END INIT INFO

​

PATH=/sbin:/bin

. /lib/init/vars.sh

​

. /lib/lsb/init-functions

​

do_stop () {

    [ "$VERBOSE" = no ] || log_action_begin_msg "Mounting root filesystem read-only"

    MOUNT_FORCE_OPT=

    [ "$(uname -s)" = "GNU/kFreeBSD" ] && MOUNT_FORCE_OPT=-f

    # This:

    #     mount -n -o remount,ro /

    # will act on a bind mount of / if there is one.

    # See #339023 and the comment in checkroot.sh

    mount    $MOUNT_FORCE_OPT -n -o remount,ro -t dummytype dummydev / 2>/dev/null \

    || mount $MOUNT_FORCE_OPT -n -o remount,ro              dummydev / 2>/dev/null \

    || mount $MOUNT_FORCE_OPT -n -o remount,ro                       /

    ES=$?

    [ "$VERBOSE" = no ] || log_action_end_msg $ES

}

​

case "$1" in

  start|status)

    # No-op

    ;;

  restart|reload|force-reload)

    echo "Error: argument '$1' not supported" >&2

    exit 3

    ;;

  stop)

    do_stop

    ;;

  *)