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-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade12
1 files changed, 12 insertions, 0 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 62a4012a3..802848ade 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -11,6 +11,7 @@ export SAVE_OVERLAY=0
export DELAY=
export CONF_IMAGE=
export CONF_BACKUP=
+export CONF_RESTORE=
export HELP=0
export FORCE=0
@@ -24,6 +25,7 @@ while [ -n "$1" ]; do
-n) export SAVE_CONFIG=0;;
-c) export SAVE_OVERLAY=1;;
-b|--create-backup) export CONF_BACKUP="$2"; shift;;
+ -r|--restore-backup) export CONF_RESTORE="$2"; shift;;
-f) export CONF_IMAGE="$2"; shift;;
-F|--force) export FORCE=1;;
-h|--help) export HELP=1; break;;
@@ -55,6 +57,10 @@ Options:
create .tar.gz of files specified in sysupgrade.conf
then exit. Does not flash an image. If file is '-',
i.e. stdout, verbosity is set to 0 (i.e. quiet).
+ -r / --restore-backup <file>
+ restore a .tar.gz created with sysupgrade -b
+ then exit. Does not flash an image. If file is '-',
+ the archive is read from stdin.
-n do not save configuration over reflash
-F / --force
Flash image even if image checks fail, this is dangerous!
@@ -126,6 +132,12 @@ if [ -n "$CONF_BACKUP" ]; then
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