#!/bin/sh
-. /etc/functions.sh
+. /lib/functions.sh
# initialize defaults
RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
export SAVE_OVERLAY=0
export DELAY=
export CONF_IMAGE=
+export CONF_BACKUP=
+export CONF_RESTORE=
+export NEED_IMAGE=
export HELP=0
+export FORCE=0
+export TEST=0
# parse options
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;;
+ -T|--test) export TEST=1;;
-h|--help) export HELP=1; break;;
-*)
echo "Invalid option: $1"
export ARGV="$*"
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>
+ $0 [-q] [-i] <backup-command> <file>
-Options:
+upgrade-option:
-d <delay> add a delay before rebooting
-f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
-c attempt to preserve all changed files in /etc/
-n do not save configuration over reflash
+ -T | --test
+ Verify image and config .tar.gz but do not actually flash.
+ -F | --force
+ Flash image even if image checks fail, this is dangerous!
-q less verbose
-v more verbose
- -h / --help display this help
+ -h | --help display this help
+
+backup-command:
+ -b | --create-backup <file>
+ create .tar.gz of files specified in sysupgrade.conf
+ then exit. Does not flash an image. If file is '-',
+ i.e. stdout, verbosity is set to 0 (i.e. quiet).
+ -r | --restore-backup <file>
+ restore a .tar.gz created with sysupgrade -b
+ then exit. Does not flash an image. If file is '-',
+ the archive is read from stdin.
EOF
exit 1
}
+[ -n "$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' \
include /lib/upgrade
do_save_conffiles() {
+ local conf_tar="${1:-$CONF_TAR}"
+
[ -z "$(rootfs_type)" ] && {
echo "Cannot save config while running from ramdisk."
ask_bool 0 "Abort" && exit
v "Saving config files..."
[ "$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 $?
+fi
+
+if [ -n "$CONF_RESTORE" ]; then
+ if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
+ echo "Backup archive '$CONF_RESTORE' not found."
+ exit 1
+ fi
+
+ [ "$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
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 '$check' failed."
+ exit 1
+ fi
}
done
get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
export SAVE_CONFIG=1
elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
- do_save_conffiles
+ [ $TEST -eq 1 ] || do_save_conffiles
export SAVE_CONFIG=1
else
export SAVE_CONFIG=0
fi
+if [ $TEST -eq 1 ]; then
+ exit 0
+fi
+
+run_hooks "" $sysupgrade_pre_upgrade
+
+ubus call system upgrade
+touch /tmp/sysupgrade
+
kill_remaining TERM
sleep 3
kill_remaining KILL
-run_hooks "" $sysupgrade_pre_upgrade
-
if [ -n "$(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