diff options
Diffstat (limited to 'bin/boot.sh')
| -rw-r--r-- | bin/boot.sh | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/bin/boot.sh b/bin/boot.sh deleted file mode 100644 index a61499c..0000000 --- a/bin/boot.sh +++ /dev/null @@ -1,198 +0,0 @@ -#!/bin/sh - -# Exit if system was not booted by live-boot -grep -qs boot=live /proc/cmdline || exit 0 - -DO_SNAPSHOT=/sbin/live-snapshot -SNAPSHOT_CONF="/etc/live/boot.d/snapshot.conf" - -# Read snapshot configuration variables -[ -r ${SNAPSHOT_CONF} ] && . ${SNAPSHOT_CONF} - -# Define LSB log_* functions. -# Depend on lsb-base (>= 3.0-6) to ensure that this file is present. -. /lib/lsb/init-functions - -# Try to cache everything we're likely to need after ejecting. This -# is fragile and simple-minded, but our options are limited. -cache_path() -{ - path="${1}" - - if [ -d "${path}" ] - then - find "${path}" -type f | xargs cat > /dev/null 2>&1 - elif [ -f "${path}" ] - then - if file -L "${path}" | grep -q 'dynamically linked' - then - # ldd output can be of three forms: - # 1. linux-vdso.so.1 => (0x00007fffe3fb4000) - # This is a virtual, kernel shared library and we want to skip it - # 2. libc.so.6 => /lib/libc.so.6 (0x00007f5e9dc0c000) - # We want to cache the third word. - # 3. /lib64/ld-linux-x86-64.so.2 (0x00007f5e9df8b000) - # We want to cache the first word. - ldd "${path}" | while read line - do - if echo "$line" | grep -qs ' => ' - then - continue - elif echo "$line" | grep -qs ' => ' - then - lib=$(echo "${line}" | awk '{ print $3 }') - else - lib=$(echo "${line}" | awk '{ print $1 }') - fi - cache_path "${lib}" - done - 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 - then - return 0 - fi - - return 1 -} - -log_begin_msg "live-boot: resyncing snapshots and caching reboot files..." - -if ! grep -qs nopersistent /proc/cmdline && grep -qs persistent /proc/cmdline -then - # ROOTSNAP and HOMESNAP are defined in ${SNAPSHOT_CONF} file - if [ ! -z "${ROOTSNAP}" ] - then - ${DO_SNAPSHOT} --resync-string="${ROOTSNAP}" - fi - - if [ ! -z "${HOMESNAP}" ] - then - ${DO_SNAPSHOT} --resync-string="${HOMESNAP}" - fi -fi - -# check for netboot -if [ ! -z "${NETBOOT}" ] || grep -qs netboot /proc/cmdline || grep -qsi root=/dev/nfs /proc/cmdline || grep -qsi root=/dev/cifs /proc/cmdline -then - return 0 -fi - -# check for toram -if grep -qs toram /proc/cmdline -then - return 0 -fi - -# Don't prompt to eject the SD card on Babbage board, where we reuse it -# as a quasi-boot-floppy. Technically this uses a bit of ubiquity -# (archdetect), but since this is mostly only relevant for -# installations, who cares ... -if type archdetect >/dev/null 2>&1 -then - subarch="$(archdetect)" - - case $subarch in - arm*/imx51) - return 0 - ;; - esac -fi - -prompt=1 -if [ "${NOPROMPT}" = "Yes" ] -then - prompt= -fi - -for path in $(which halt) $(which reboot) /etc/rc?.d /etc/default $(which stty) /bin/plymouth -do - cache_path "${path}" -done - -for x in $(cat /proc/cmdline) -do - case ${x} in - quickreboot) - QUICKREBOOT="Yes" - ;; - esac -done - -mount -o remount,ro /live/cow - -if [ -z ${QUICKREBOOT} ] -then - # Exit if the system was booted from an ISO image rather than a physical CD - grep -qs find_iso= /proc/cmdline && return 0 - # TODO: i18n - BOOT_DEVICE="$(get_boot_device)" - - if device_is_USB_flash_drive ${BOOT_DEVICE} - then - # do NOT eject USB flash drives! - # otherwise rebooting with most USB flash drives - # failes because they actually remember the - # "ejected" state even after reboot - MESSAGE="Please remove the USB flash drive" - - if [ "${NOPROMPT}" = "usb" ] - then - prompt= - fi - - else - # ejecting is a very good idea here - MESSAGE="Please remove the disc, close the tray (if any)" - - if [ -x /usr/bin/eject ] - then - eject -p -m /live/image >/dev/null 2>&1 - fi - - if [ "${NOPROMPT}" = "cd" ] - then - prompt= - fi - fi - - [ "$prompt" ] || return 0 - - if [ -x /bin/plymouth ] && plymouth --ping - then - plymouth message --text="${MESSAGE} and press ENTER to continue:" - plymouth watch-keystroke > /dev/null - else - stty sane < /dev/console - - printf "\n\n${MESSAGE} and press ENTER to continue:" > /dev/console - - read x < /dev/console - fi -fi |