#!/bin/sh
-. /etc/functions.sh
+. /lib/functions.sh
# initialize defaults
RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
export DELAY=
export CONF_IMAGE=
export CONF_BACKUP=
+export CONF_RESTORE=
+export NEED_IMAGE=
export HELP=0
export FORCE=0
-q) export VERBOSE="$(($VERBOSE - 1))";;
-n) export SAVE_CONFIG=0;;
-c) export SAVE_OVERLAY=1;;
- -b|--create-backup) export CONF_BACKUP="$2"; shift;;
+ -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; shift;;
+ -F|--force) export FORCE=1;;
-h|--help) export HELP=1; break;;
-*)
echo "Invalid option: $1"
export ARGV="$*"
export ARGC="$#"
-[ -z "$ARGV" -a -z "$CONF_BACKUP" -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>
+ $0 [-q] [-i] <backup-command> <file>
-Options:
+upgrade-option:
-d <delay> add a delay before rebooting
-f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
-c attempt to preserve all changed files in /etc/
- -b / --create-backup <file>
- create .tar.gz of files specified in sysupgrade.conf
- then exit. Does not flash an image. If file is '-',
- i.e. stdout, verbosity is set to 0 (i.e. quiet).
-n do not save configuration over reflash
- -F / --force
+ -F | --force
Flash image even if image checks fail, this is dangerous!
-q less verbose
-v more verbose
- -h / --help display this help
+ -h | --help display this help
+
+backup-command:
+ -b | --create-backup <file>
+ create .tar.gz of files specified in sysupgrade.conf
+ then exit. Does not flash an image. If file is '-',
+ i.e. stdout, verbosity is set to 0 (i.e. quiet).
+ -r | --restore-backup <file>
+ restore a .tar.gz created with sysupgrade -b
+ then exit. Does not flash an image. If file is '-',
+ the archive is read from stdin.
EOF
exit 1
}
-[ -n "$ARGV" -a -n "$CONF_BACKUP" ] && {
+[ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
cat <<-EOF
- -b/--create-backup does not perform a firmware upgrade. Do not
- specify both -b and a firmware image.
+ -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
}
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 $?
+fi
+
type platform_check_image >/dev/null 2>/dev/null || {
echo "Firmware upgrade is not implemented for this platform."
exit 1
if [ -n "$(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