5 RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
6 RAMFS_COPY_DATA="" # extra data files
23 -i) export INTERACTIVE=1;;
24 -d) export DELAY="$2"; shift;;
25 -v) export VERBOSE="$(($VERBOSE + 1))";;
26 -q) export VERBOSE="$(($VERBOSE - 1))";;
27 -n) export SAVE_CONFIG=0;;
28 -c) export SAVE_OVERLAY=1;;
29 -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
30 -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
31 -f) export CONF_IMAGE="$2"; shift;;
32 -F|--force) export FORCE=1;;
33 -T|--test) export TEST=1;;
34 -h|--help) export HELP=1; break;;
36 echo "Invalid option: $1"
44 export CONFFILES=/tmp/sysupgrade.conffiles
45 export CONF_TAR=/tmp/sysupgrade.tgz
50 [ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
52 Usage: $0 [<upgrade-option>...] <image file or URL>
53 $0 [-q] [-i] <backup-command> <file>
56 -d <delay> add a delay before rebooting
57 -f <config> restore configuration from .tar.gz (file or url)
59 -c attempt to preserve all changed files in /etc/
60 -n do not save configuration over reflash
62 Verify image and config .tar.gz but do not actually flash.
64 Flash image even if image checks fail, this is dangerous!
67 -h | --help display this help
70 -b | --create-backup <file>
71 create .tar.gz of files specified in sysupgrade.conf
72 then exit. Does not flash an image. If file is '-',
73 i.e. stdout, verbosity is set to 0 (i.e. quiet).
74 -r | --restore-backup <file>
75 restore a .tar.gz created with sysupgrade -b
76 then exit. Does not flash an image. If file is '-',
77 the archive is read from stdin.
83 [ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
85 -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
86 Do not specify both -b|-r and a firmware image.
91 # prevent messages from clobbering the tarball when using stdout
92 [ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
96 ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
97 /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
99 opkg list-changed-conffiles ) | sort -u > "$file"
105 find /overlay/etc/ -type f | sed \
106 -e 's,^/overlay/,/,' \
107 -e '\,/META_[a-zA-Z0-9]*$,d' \
108 -e '\,/functions.sh$,d' \
109 -e '\,/[^/]*-opkg$,d' \
115 sysupgrade_image_check="platform_check_image"
116 [ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
117 sysupgrade_init_conffiles="add_uci_conffiles" || \
118 sysupgrade_init_conffiles="add_overlayfiles"
122 do_save_conffiles() {
123 local conf_tar="${1:-$CONF_TAR}"
125 [ -z "$(rootfs_type)" ] && {
126 echo "Cannot save config while running from ramdisk."
127 ask_bool 0 "Abort" && exit
130 run_hooks "$CONFFILES" $sysupgrade_init_conffiles
131 ask_bool 0 "Edit config file list" && vi "$CONFFILES"
133 v "Saving config files..."
134 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
135 tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
138 if [ -n "$CONF_BACKUP" ]; then
139 do_save_conffiles "$CONF_BACKUP"
143 if [ -n "$CONF_RESTORE" ]; then
144 if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
145 echo "Backup archive '$CONF_RESTORE' not found."
149 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
150 tar -C / -x${TAR_V}zf "$CONF_RESTORE"
154 type platform_check_image >/dev/null 2>/dev/null || {
155 echo "Firmware upgrade is not implemented for this platform."
159 for check in $sysupgrade_image_check; do
160 ( eval "$check \"\$ARGV\"" ) || {
161 if [ $FORCE -eq 1 ]; then
162 echo "Image check '$check' failed but --force given - will update anyway!"
165 echo "Image check '$check' failed."
171 if [ -n "$CONF_IMAGE" ]; then
172 case "$(get_magic_word $CONF_IMAGE cat)" in
176 echo "Invalid config file. Please use only .tar.gz files"
180 get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
182 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
183 [ $TEST -eq 1 ] || do_save_conffiles
189 if [ $TEST -eq 1 ]; then
193 run_hooks "" $sysupgrade_pre_upgrade
195 ubus call system upgrade
196 touch /tmp/sysupgrade
202 if [ -n "$(rootfs_type)" ]; then
203 v "Switching to ramdisk..."
204 run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'