### BEGIN INIT INFO
# Provides: live-initramfs
# Required-Start: $syslog
-# Required-Stop: $syslog
+# Required-Stop:
# Should-Start: $local_fs
-# Should-Stop: $local_fs
-# Default-Start: 1 2 3 4 5
+# Should-Stop: halt reboot
+# X-Stop-After: umountroot
+# Default-Start:
# Default-Stop: 0 6
# Short-Description: live-initramfs init script
# Description: Resyncs snapshots, evantually caches files in order to
# 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
# 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 "${DEVICE}"
+ exit 0
+ fi
+ done < /proc/mounts
+}
+
+device_is_USB_flash_drive()
+{
+ # remove leading "/dev/" and all trailing numbers from input
+ DEVICE=$(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} | grep -q usb ||
+ readlink /sys/block/${DEVICE}/device | grep -q usb # linux < 2.6.29
+ then
+ return 0
+ fi
+
+ return 1
}
do_stop ()
{
- if [ ! -z "${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
-
- for path in $(which halt) $(which reboot) /etc/rc?.d /etc/default; do
- cache_path "$path"
- done
-
- for x in $(cat /proc/cmdline); do
- case $x in
- quickreboot)
- QUICKREBOOT="Yes"
- ;;
- esac
- done
-
- if [ -z ${QUICKREBOOT} ]; then
- if [ -x /usr/bin/eject ]
+ if ! grep -qs nopersistent /proc/cmdline && grep -qs persistent /proc/cmdline
+ then
+ if [ ! -z "${ROOTSNAP}" ]
+ then
+ ${DO_SNAPSHOT} --resync-string="${ROOTSNAP}"
+ fi
+
+ if [ ! -z "${HOMESNAP}" ]
+ then
+ ${DO_SNAPSHOT} --resync-string="${HOMESNAP}"
+ fi
+ fi
+
+ # check for netboot
+ if [ ! -z "${NETBOOT}" ] || grep -qs netboot /proc/cmdline || grep -qsi root=/dev/nfs /proc/cmdline || grep -qsi root=/dev/cifs /proc/cmdline
then
- eject -p -m /live_media >/dev/null 2>&1
+ return 0
fi
- # XXX - i18n
- echo "Please remove the disc and close the tray (if any) then press ENTER: "
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "TIMEOUT 86400"
- /sbin/usplash_write "TEXT-URGENT Please remove the disc, close the tray (if any)"
- /sbin/usplash_write "TEXT-URGENT and press ENTER to continue"
+ # Don't prompt to eject the SD card on Babbage board, where we reuse it
+ # as a quasi-boot-floppy. Technically this uses a bit of ubiquity
+ # (archdetect), but since this is mostly only relevant for
+ # installations, who cares ...
+ if type archdetect >/dev/null 2>&1
+ then
+ subarch="$(archdetect)"
+
+ case $subarch in
+ arm*/imx51)
+ return 0
+ ;;
+ esac
+ fi
+
+ 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 ${QUICKREBOOT} ]
+ then
+ # TODO: i18n
+ BOOT_DEVICE="$(get_boot_device)"
+
+ if device_is_USB_flash_drive ${BOOT_DEVICE}
+ then
+ # do NOT eject USB flash drives!
+ # otherwise rebooting with most USB flash drives
+ # failes because they actually remember the
+ # "ejected" state even after reboot
+ MESSAGE="Please remove the USB flash drive"
+ else
+ # ejecting is a very good idea here
+ MESSAGE="Please remove the disc, close the the tray (if any)"
+
+ if [ -x /usr/bin/eject ]
+ then
+ eject -p -m /live/image >/dev/null 2>&1
+ fi
+
+ fi
+
+ [ "$prompt" ] || return 0
+
+ stty sane < /dev/console
+
+ printf "\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: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
- exit 3
- ;;
+case "${1}" in
+ restart|reload|force-reload|status)
+ [ "${VERBOSE}" != no ] && log_end_msg 0
+ ;;
+
+ start|stop)
+ log_begin_msg "${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
+
+ mount -o remount,ro /live/cow
+ ;;
+
+ *)
+ log_success_msg "Usage: ${SCRIPTNAME} {start|stop|restart|force-reload}" >&2
+ exit 3
+ ;;
esac