5 RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
6 RAMFS_COPY_DATA="" # extra data files
13 export CONF_BACKUP_LIST=0
24 -i) export INTERACTIVE=1;;
25 -d) export DELAY="$2"; shift;;
26 -v) export VERBOSE="$(($VERBOSE + 1))";;
27 -q) export VERBOSE="$(($VERBOSE - 1))";;
28 -n) export SAVE_CONFIG=0;;
29 -c) export SAVE_OVERLAY=1;;
30 -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
31 -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
32 -l|--list-backup) export CONF_BACKUP_LIST=1; break;;
33 -f) export CONF_IMAGE="$2"; shift;;
34 -F|--force) export FORCE=1;;
35 -T|--test) export TEST=1;;
36 -h|--help) export HELP=1; break;;
38 echo "Invalid option: $1"
46 export CONFFILES=/tmp/sysupgrade.conffiles
47 export CONF_TAR=/tmp/sysupgrade.tgz
52 [ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
54 Usage: $0 [<upgrade-option>...] <image file or URL>
55 $0 [-q] [-i] <backup-command> <file>
58 -d <delay> add a delay before rebooting
59 -f <config> restore configuration from .tar.gz (file or url)
61 -c attempt to preserve all changed files in /etc/
62 -n do not save configuration over reflash
64 Verify image and config .tar.gz but do not actually flash.
66 Flash image even if image checks fail, this is dangerous!
69 -h | --help display this help
72 -b | --create-backup <file>
73 create .tar.gz of files specified in sysupgrade.conf
74 then exit. Does not flash an image. If file is '-',
75 i.e. stdout, verbosity is set to 0 (i.e. quiet).
76 -r | --restore-backup <file>
77 restore a .tar.gz created with sysupgrade -b
78 then exit. Does not flash an image. If file is '-',
79 the archive is read from stdin.
81 list the files that would be backed up when calling
82 sysupgrade -b. Does not create a backup file.
88 [ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
90 -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
91 Do not specify both -b|-r and a firmware image.
96 # prevent messages from clobbering the tarball when using stdout
97 [ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
101 ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
102 /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
104 opkg list-changed-conffiles ) | sort -u > "$file"
110 find /overlay/etc/ -type f | sed \
111 -e 's,^/overlay/,/,' \
112 -e '\,/META_[a-zA-Z0-9]*$,d' \
113 -e '\,/functions.sh$,d' \
114 -e '\,/[^/]*-opkg$,d' \
120 sysupgrade_image_check="platform_check_image"
121 [ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
122 sysupgrade_init_conffiles="add_uci_conffiles" || \
123 sysupgrade_init_conffiles="add_overlayfiles"
127 do_save_conffiles() {
128 local conf_tar="${1:-$CONF_TAR}"
130 [ -z "$(rootfs_type)" ] && {
131 echo "Cannot save config while running from ramdisk."
132 ask_bool 0 "Abort" && exit
135 run_hooks "$CONFFILES" $sysupgrade_init_conffiles
136 ask_bool 0 "Edit config file list" && vi "$CONFFILES"
138 v "Saving config files..."
139 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
140 tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
145 if [ $CONF_BACKUP_LIST -eq 1 ]; then
146 add_uci_conffiles "$CONFFILES"
152 if [ -n "$CONF_BACKUP" ]; then
153 do_save_conffiles "$CONF_BACKUP"
157 if [ -n "$CONF_RESTORE" ]; then
158 if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
159 echo "Backup archive '$CONF_RESTORE' not found."
163 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
164 tar -C / -x${TAR_V}zf "$CONF_RESTORE"
168 type platform_check_image >/dev/null 2>/dev/null || {
169 echo "Firmware upgrade is not implemented for this platform."
173 for check in $sysupgrade_image_check; do
174 ( eval "$check \"\$ARGV\"" ) || {
175 if [ $FORCE -eq 1 ]; then
176 echo "Image check '$check' failed but --force given - will update anyway!"
179 echo "Image check '$check' failed."
185 if [ -n "$CONF_IMAGE" ]; then
186 case "$(get_magic_word $CONF_IMAGE cat)" in
190 echo "Invalid config file. Please use only .tar.gz files"
194 get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
196 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
197 [ $TEST -eq 1 ] || do_save_conffiles
203 if [ $TEST -eq 1 ]; then
207 run_hooks "" $sysupgrade_pre_upgrade
209 ubus call system upgrade
210 touch /tmp/sysupgrade
216 if [ -n "$(rootfs_type)" ]; then
217 v "Switching to ramdisk..."
218 run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'