# 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 "${path}" >/dev/null 2>&1
- fi
+cache_path()
+{
+ path="${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 "${path}" >/dev/null 2>&1
+ fi
}
-get_boot_device() {
- # search in /proc/mounts for the device that is mounted at /live/image
- while read DEVICE MOUNT REST; do
- if [ "${MOUNT}" = "/live/image" ]; then
- echo "${DEVICE}"
- exit 0
- fi
- done < /proc/mounts
+get_boot_device()
+{
+ # search in /proc/mounts for the device that is mounted at /live/image
+ while read DEVICE MOUNT REST
+ do
+ if [ "${MOUNT}" = "/live/image" ]
+ then
+ echo "${DEVICE}"
+ exit 0
+ fi
+ done < /proc/mounts
}
device_is_USB_flash_drive()
{
- # remove leading "/dev/" and all trailing numbers from input
- DEVICE=$(expr substr ${1} 6 3)
- # check that device starts with "sd"
- [ "$(expr substr ${DEVICE} 1 2)" != "sd" ] && return 1
- # check that the device is an USB device
- if readlink /sys/block/${DEVICE}/device | grep -q usb ; then
- return 0
- fi
- return 1
+ # remove leading "/dev/" and all trailing numbers from input
+ DEVICE=$(expr substr ${1} 6 3)
+
+ # check that device starts with "sd"
+ [ "$(expr substr ${DEVICE} 1 2)" != "sd" ] && return 1
+
+ # check that the device is an USB device
+ if readlink /sys/block/${DEVICE}/device | grep -q usb
+ then
+ return 0
+ fi
+
+ return 1
}
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 ${QUICKREBOOT} ]; then
- # TODO: i18n
- if [ -x /usr/bin/eject ]
+ if [ ! -z "${ROOTSNAP}" ]
then
- BOOT_DEVICE="$(get_boot_device)"
- if device_is_USB_flash_drive ${BOOT_DEVICE}; then
- # do NOT eject USB flash drives!
- # otherwise rebooting with most USB flash drives failes because
- # they actually remember the "ejected" state even after reboot
- MESSAGE="Please remove the USB flash drive"
- else
- # ejecting is a very good idea here
- eject -p -m /live/image >/dev/null 2>&1
- MESSAGE="Please remove the disc, close the the tray (if any)"
- fi
+ ${DO_SNAPSHOT} --resync-string="${ROOTSNAP}"
+ fi
- [ "$prompt" ] || return 0
+ if [ ! -z "${HOMESNAP}" ]
+ then
+ ${DO_SNAPSHOT} --resync-string="${HOMESNAP}"
fi
- stty sane < /dev/console
+ # check for netboot
+ if [ ! -z "${NETBOOT}" ] || grep -qs netboot /proc/cmdline || grep -qsi root=/dev/nfs /proc/cmdline || grep -qsi root=/dev/cifs /proc/cmdline
+ then
+ return 0
+ fi
- echo -n -e "\n\n${MESSAGE} and press ENTER to continue:" > /dev/console
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "TIMEOUT 86400"
- /sbin/usplash_write "TEXT-URGENT ${MESSAGE}"
- /sbin/usplash_write "TEXT-URGENT and press ENTER to continue"
+ prompt=1
+ if grep -qs noprompt /proc/cmdline
+ then
+ prompt=
fi
- read x < /dev/console
- 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 ${QUICKREBOOT} ]
+ then
+ # TODO: i18n
+ if [ -x /usr/bin/eject ]
+ then
+ BOOT_DEVICE="$(get_boot_device)"
+
+ if device_is_USB_flash_drive ${BOOT_DEVICE}
+ then
+ # do NOT eject USB flash drives!
+ # otherwise rebooting with most USB flash drives
+ # failes because they actually remember the
+ # "ejected" state even after reboot
+ MESSAGE="Please remove the USB flash drive"
+ else
+ # ejecting is a very good idea here
+ MESSAGE="Please remove the disc, close the the tray (if any)"
+
+ eject -p -m /live/image >/dev/null 2>&1
+ fi
+
+ [ "$prompt" ] || return 0
+ fi
+
+ stty sane < /dev/console
+
+ echo -n -e "\n\n${MESSAGE} and press ENTER to continue:" > /dev/console
+
+ if [ -x /sbin/usplash_write ]
+ then
+ /sbin/usplash_write "TIMEOUT 86400"
+ /sbin/usplash_write "TEXT-URGENT ${MESSAGE}"
+ /sbin/usplash_write "TEXT-URGENT and press ENTER to continue"
+ fi
+
+ read x < /dev/console
+ fi
}
case "${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: ${SCRIPTNAME} {start|stop|restart|force-reload}" >&2
- exit 3
- ;;
+ start|restart|reload|force-reload|status)
+ [ "${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
projects / live-boot-grml.git / commitdiff