X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=package%2Fbase-files%2Ffiles%2Fsbin%2Fsysupgrade;h=c507c3bfdfa7bcf643d3d083a617bb470186da2c;hp=cf79114cbb2802f45740ff78ddb62a78add7f163;hb=d94e14fa0f80e21d9c8ea245b69cd3586704152d;hpb=e67e0aec280d75e46e46b9eed200d134e2c53c68

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index cf79114cbb..c507c3bfdf 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -1,5 +1,5 @@
 #!/bin/sh
-. /etc/functions.sh
+. /lib/functions.sh
 
 # initialize defaults
 RAMFS_COPY_BIN=""	# extra programs for temporary ramfs root
@@ -10,7 +10,11 @@ export SAVE_CONFIG=1
 export SAVE_OVERLAY=0
 export DELAY=
 export CONF_IMAGE=
+export CONF_BACKUP=
+export CONF_RESTORE=
+export NEED_IMAGE=
 export HELP=0
+export FORCE=0
 
 # parse options
 while [ -n "$1" ]; do 
@@ -21,7 +25,10 @@ while [ -n "$1" ]; do
 		-q) export VERBOSE="$(($VERBOSE - 1))";;
 		-n) export SAVE_CONFIG=0;;
 		-c) export SAVE_OVERLAY=1;;
+		-b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
+		-r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
 		-f) export CONF_IMAGE="$2"; shift;;
+		-F|--force) export FORCE=1;;
 		-h|--help) export HELP=1; break;;
 		-*)
 			echo "Invalid option: $1"
@@ -38,24 +45,48 @@ export CONF_TAR=/tmp/sysupgrade.tgz
 export ARGV="$*"
 export ARGC="$#"
 
-[ -z "$ARGV" -o $HELP -gt 0 ] && {
+[ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
 	cat <<EOF
-Usage: $0 [options] <image file or URL>
+Usage: $0 [<upgrade-option>...] <image file or URL>
+       $0 [-q] [-i] <backup-command> <file>
 
-Options:
+upgrade-option:
 	-d <delay>   add a delay before rebooting
 	-f <config>  restore configuration from .tar.gz (file or url)
 	-i           interactive mode
 	-c           attempt to preserve all changed files in /etc/
 	-n           do not save configuration over reflash
+	-F | --force
+	             Flash image even if image checks fail, this is dangerous!
 	-q           less verbose
 	-v           more verbose
-	-h / --help  display this help
+	-h | --help  display this help
+
+backup-command:
+	-b | --create-backup <file>
+	             create .tar.gz of files specified in sysupgrade.conf
+	             then exit. Does not flash an image. If file is '-',
+	             i.e. stdout, verbosity is set to 0 (i.e. quiet).
+	-r | --restore-backup <file>
+	             restore a .tar.gz created with sysupgrade -b
+	             then exit. Does not flash an image. If file is '-',
+	             the archive is read from stdin.
 
 EOF
 	exit 1
 }
 
+[ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
+	cat <<-EOF
+		-b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
+		Do not specify both -b|-r and a firmware image.
+	EOF
+	exit 1
+}
+
+# prevent messages from clobbering the tarball when using stdout
+[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
+
 add_uci_conffiles() {
 	local file="$1"
 	( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
@@ -85,6 +116,8 @@ sysupgrade_image_check="platform_check_image"
 include /lib/upgrade
 
 do_save_conffiles() {
+	local conf_tar="${1:-$CONF_TAR}"
+
 	[ -z "$(rootfs_type)" ] && {
 		echo "Cannot save config while running from ramdisk."
 		ask_bool 0 "Abort" && exit
@@ -95,9 +128,20 @@ do_save_conffiles() {
 
 	v "Saving config files..."
 	[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
-	tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
+	tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
 }
 
+if [ -n "$CONF_BACKUP" ]; then
+	do_save_conffiles "$CONF_BACKUP"
+	exit $?
+fi
+
+if [ -f "$CONF_RESTORE" ] || [ "$CONF_RESTORE" = "-" ]; then
+	[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+	tar -C / -x${TAR_V}zf "$CONF_RESTORE"
+	exit $?
+fi
+
 type platform_check_image >/dev/null 2>/dev/null || {
 	echo "Firmware upgrade is not implemented for this platform."
 	exit 1
@@ -105,8 +149,13 @@ type platform_check_image >/dev/null 2>/dev/null || {
 
 for check in $sysupgrade_image_check; do
 	( eval "$check \"\$ARGV\"" ) || {
-		echo "Image check '$check' failed."
-		exit 1
+		if [ $FORCE -eq 1 ]; then
+			echo "Image check '$check' failed but --force given - will update anyway!"
+			break
+		else
+			echo "Image check '$check' failed."
+			exit 1
+		fi
 	}
 done
 
@@ -130,13 +179,16 @@ fi
 
 run_hooks "" $sysupgrade_pre_upgrade
 
+ubus call system upgrade
+touch /tmp/sysupgrade
+
 kill_remaining TERM
 sleep 3
 kill_remaining KILL
 
 if [ -n "$(rootfs_type)" ]; then
 	v "Switching to ramdisk..."
-	run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
+	run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'
 else
 	do_upgrade
 fi