modules/freifunk: add remote-update cli utility
This commit is contained in:
Jo-Philipp Wich
parent
ba66381047
commit
4803e8ec24
2 changed files with 297 additions and 0 deletions
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@ -76,6 +76,8 @@ config defaults olsr_interface
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config defaults time
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option rdate_servers "128.138.140.44 171.64.7.77 171.64.7.99 81.169.154.44 130.133.1.10"
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config defaults upgrade
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option repository "http://dev.luci.freifunk-halle.net/freifunk-snapshots"
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config community leipzig
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option name "Freifunk Leipzig"
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295
modules/freifunk/root/usr/sbin/remote-update
Executable file
295
modules/freifunk/root/usr/sbin/remote-update
Executable file
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@ -0,0 +1,295 @@
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#!/bin/sh
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local tempfile=/tmp/remote-upgrade.img
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local D2='\([0-9]\{2\}\)'
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local D4='\([0-9]\{4\}\)'
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local NL='
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'
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find_architecture()
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{
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opkg list_installed 'base-files-*' | \
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sed -ne 's/base-files-\([^ ]\+\).*/\1/p'
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}
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find_image()
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{
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case "$1" in
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atheros)
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if grep -q '"vmlinux.bin.l7"' /proc/mtd; then
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echo "openwrt-fonera-combined.img"
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else
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echo "openwrt-ubiquity-combined.img"
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fi
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;;
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brcm-2.4)
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echo "openwrt-brcm-2.4-squashfs.trx"
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;;
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esac
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}
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check_image()
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{
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local file; for file in /lib/upgrade/*.sh; do . $file; done
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if platform_check_image "$1" >/dev/null 2>/dev/null; then
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return 0
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fi
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return 1
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}
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find_remote_checksum()
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{
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wget -qO- ${1%/*}/md5sums 2>/dev/null | \
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sed -ne '/'$2'/ { s/ .*//p }'
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}
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find_local_checksum()
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{
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set -- $(md5sum "$tempfile")
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echo $1
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}
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find_remote_version()
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{
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wget -qO- "${1%/*}/VERSION.txt" 2>/dev/null | \
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sed -ne "s!.*$D4/$D2/$D2 $D2:$D2.*!\\1\\2\\3\\4\\5!p;t"
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}
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find_local_version()
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{
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if [ -f /rom/etc/banner ]; then
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sed -ne "s!.*$D4/$D2/$D2 $D2:$D2.*!\\1\\2\\3\\4\\5!p;t" \
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/rom/etc/banner
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else
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date +"%Y%m%d%H%M" -r /bin/sh
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fi
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}
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stop_service()
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{
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[ -x /etc/init.d/$1 ] && {
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echo -n "Stopping service $1 ... "
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/etc/init.d/$1 stop >/dev/null 2>/dev/null
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echo "done"
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}
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}
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do_wait()
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{
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if [ ${1:-0} -gt 0 ]; then
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echo -n "${2:-Waiting} "
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for i in $(seq 1 $1); do
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printf "%-2dseconds" $(($1-$i))
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sleep 1
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echo -en "\b\b\b\b\b\b\b\b\b"
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done
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echo "${NL}"
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fi
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}
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version_compare()
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{
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local v1="$1"
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local v2="$2"
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while [ -n "$v1" -o -n "$v2" ]; do
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if [ -z "${v2:0:4}" -o "${v1:0:4}" -gt "${v2:0:4}" ]; then
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return 1
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elif [ -z "${v1:0:4}" -o "${v1:0:4}" -lt "${v2:0:4}" ]; then
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return 2
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fi
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v1="${v1:4}"
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v2="${v2:4}"
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done
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return 0
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}
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usage()
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{
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cat <<EOT
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Usage:
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remote-update -h
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remote-update -c
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remote-update -w
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remote-update [-d] [-n] [-v] [-y] [-s <sleep seconds>] [-u <update url>]
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Actions:
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-h Display this help message and exit.
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-c Check for firmware update and exit.
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-w Fetch image and exit, do not perform flash write.
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Options:
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-d Do not detach from terminal.
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-n Do not backup configuration.
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-v Skip verification of downloaded image.
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-y Assume defaults for all questions.
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-s <seconds>
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Sleep given amount of seconds before invoking firmware burn.
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If ommitted and '-y' is not used, 5 seconds are assumed.
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-u <url>
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Fetch firmware image from given url. A file "md5sums" is expected
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in the same remote directory. If there is no such file, use -v to
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suppress verification.
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EOT
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exit 1
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}
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while getopts "s:u:cdnvwyh" flag; do
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case $flag in
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s) sleeptime="$OPTARG";;
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u) updateurl="$OPTARG";;
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c) checkupdate=1;;
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d) nodetach=1;;
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n) nobackup=1;;
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v) noverify=1;;
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w) noflash=1;;
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y) noquestions=1;;
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*) usage;;
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esac
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done
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local image_url="$updateurl"
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local image_name="${image_url##*/}"
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[ -z "$image_url" ] && {
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local arch=$(find_architecture)
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local image=$(find_image "$arch")
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local repo=$(uci get freifunk.upgrade.repository 2>/dev/null)
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[ -z "$arch" ] && {
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echo "Can not determine the current architecture."
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exit 1
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}
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[ -z "$repo" ] && {
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echo "No repository configured in 'freifunk.upgrade.repository'."
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echo "Use the '-u' flag to specify an image location."
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exit 1
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}
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[ -z "$image" ] && {
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echo "No suitable image for the '$arch' architecture."
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echo "Your platform is not supported."
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exit 1
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}
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echo "Architecture: $arch"
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echo "Repository: $repo"
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image_name="$image"
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image_url="${repo%/}/$arch/$image"
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}
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if [ "$checkupdate" = 1 ]; then
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local v1=$(find_local_version)
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local v2=$(find_remote_version "$image_url")
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[ -n "$v1" -a -n "$v2" ] && {
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version_compare "$v1" "$v2"
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[ $? == 2 ] && {
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echo "Update available! $v1 -> $v2"
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} || {
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echo "Local version $v1 is up to date"
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}
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} || {
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echo "No remote time stamp found."
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exit 1
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}
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else
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if [ "$noquestions" != 1 ]; then
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echo -n "${NL}About to download $image_name. Continue? [y] "
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read answer
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case "$answer" in
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[nN]) exit 1;;
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esac
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fi
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echo -n "Downloading $image_name ... "
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rm -f $tempfile
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wget -qO $tempfile "$image_url" 2>/dev/null
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[ $? == 0 ] && echo done || {
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echo failed
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rm -f $tempfile
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exit 1
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}
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if [ "$noverify" != 1 ]; then
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echo -n "Verifying $image_name ... "
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local md5_remote=$(find_remote_checksum "$image_url" "$image_name")
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local md5_local=$(find_local_checksum)
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check_image "$tempfile"
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local image_ok=$?
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if [ $image_ok = 0 -a -n "$md5_remote" -a -n "$md5_local" -a "$md5_remote" = "$md5_local" ]; then
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echo "done"
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else
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if [ $image_ok != 0 ]; then
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echo "unsupported image type"
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else
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echo "checksum mismatch! (local:${md5_local:-(none)} remote:${md5_remote:-(none)})"
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fi
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local answer=n
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if [ "$noquestions" != 1 ]; then
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echo -n "${NL}Verification failed. Continue anyway? [n] "
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read answer
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fi
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case "$answer" in
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[yYjJ]*) : ;;
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*)
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echo "Aborting."
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rm -f $tempfile
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exit 1
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;;
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esac
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fi
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fi
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if [ "$noflash" != 1 ]; then
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if [ -f "$tempfile" ]; then
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if [ "$noquestions" == 1 ]; then
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do_wait ${sleeptime:-5} "${NL}About to start flashing, hit <Ctrl-C> to abort!${NL}${NL}Starting in"
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else
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if [ -z "$nobackup" ]; then
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echo -n "${NL}Keep configuration files? [y] "
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read answer
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case "$answer" in
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[nN]) nobackup=1;;
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esac
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fi
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echo -n "${NL}About to start flashing!${NL}Hit <Enter> to continue or <Ctrl-C> to abort.${NL}"
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read answer
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fi
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for s in lucid collectd; do stop_service $s; done
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if [ "$nodetach" != 1 ]; then
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echo -n "Starting sysupgrade in background ... "
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/bin/busybox start-stop-daemon -S -b -x /sbin/sysupgrade -- ${nobackup:+-n} "$tempfile"
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echo "done"
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else
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echo "Executing sysupgrade ... "
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exec /sbin/sysupgrade ${nobackup:+-n} "$tempfile"
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fi
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else
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echo "No upgrade image found!"
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exit 1
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fi
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else
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echo "Image saved in '$tempfile'"
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fi
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fi
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