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#!/bin/sh
### BEGIN INIT INFO
# Provides: live-initramfs
# Required-Start: $syslog
# Required-Stop: $syslog
# Should-Start: $local_fs
# Should-Stop: $local_fs
# Default-Start: 1 2 3 4 5
# Default-Stop: 0 6
# Short-Description: live-initramfs init script
# Description: Resyncs snapshots, evantually caches files in order to
# let remove the media.
### END INIT INFO
# Authors: Tollef Fog Heen <tfheen@canonical.com>
# Marco Amadori <marco.amadori@gmail.com>
PATH=/usr/sbin:/usr/bin:/sbin:/bin
NAME=live-initramfs
SCRIPTNAME=/etc/init.d/${NAME}
DO_SNAPSHOT=/sbin/live-snapshot
# Exit if system was not booted by live-initramfs
grep -qs boot=live /proc/cmdline || exit 0
# Exit if the system was booted from an ISO image rather than a physical CD
grep -qs find_iso= /proc/cmdline && exit 0
# Read configuration variable file if it is present
[ -r /etc/live.conf ] && . /etc/live.conf
# Load the VERBOSE setting and other rcS variables
[ -f /etc/default/rcS ] && . /etc/default/rcS
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions
# Try to cache everything we're likely to need after ejecting. This
# is fragile and simple-minded, but our options are limited.
cache_path() {
path="${1}"
if [ -d "${path}" ]; then
find "${path}" -type f | xargs cat > /dev/null 2>&1
elif [ -f "${path}" ]; then
if [ -x "${path}" ]; then
if file "${path}" | grep -q 'dynamically linked'; then
for lib in $(ldd "${path}" | awk '{ print $3 }'); do
cache_path "${lib}"
done
fi
fi
cat "${path}" >/dev/null 2>&1
fi
}
do_stop ()
{
if [ ! -z "${ROOTSNAP}" ]; then
${DO_SNAPSHOT} --resync-string="${ROOTSNAP}"
fi
if [ ! -z "${HOMESNAP}" ]; then
${DO_SNAPSHOT} --resync-string="${HOMESNAP}"
fi
# check for netboot
if [ ! -z "${NETBOOT}" ] || grep -qs netboot /proc/cmdline || grep -qsi root=/dev/nfs /proc/cmdline || grep -qsi root=/dev/cifs /proc/cmdline ; then
return 0
fi
prompt=1
if grep -qs noprompt /proc/cmdline; then
prompt=
fi
for path in $(which halt) $(which reboot) /etc/rc?.d /etc/default $(which stty); do
cache_path "${path}"
done
for x in $(cat /proc/cmdline); do
case ${x} in
quickreboot)
QUICKREBOOT="Yes"
;;
esac
done
if [ -z ${QUICKREBOOT} ]; then
if [ -x /usr/bin/eject ]
then
eject -p -m /live/image >/dev/null 2>&1
[ "$prompt" ] || return 0
fi
stty sane < /dev/console
# XXX - i18n
echo "Please remove the disc and close the tray (if any) then press ENTER: " > /dev/console
if [ -x /sbin/usplash_write ]; then
/sbin/usplash_write "TIMEOUT 86400"
/sbin/usplash_write "TEXT-URGENT Please remove the disc, close the tray (if any)"
/sbin/usplash_write "TEXT-URGENT and press ENTER to continue"
fi
read x < /dev/console
fi
}
case "${1}" in
start|restart|reload|force-reload|status)
[ "${VERBOSE}" != no ] && log_end_msg 0
;;
stop)
log_begin_msg "${NAME} is resyncing snapshots and caching reboot files..."
do_stop
case "${?}" in
0|1) [ "${VERBOSE}" != no ] && log_end_msg 0 ;;
2) [ "${VERBOSE}" != no ] && log_end_msg 1 ;;
esac
;;
*)
log_success_msg "Usage: ${SCRIPTNAME} {start|stop|restart|force-reload}" >&2
exit 3
;;
esac
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