5 RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
6 RAMFS_COPY_DATA="" # extra data files
22 -i) export INTERACTIVE=1;;
23 -d) export DELAY="$2"; shift;;
24 -v) export VERBOSE="$(($VERBOSE + 1))";;
25 -q) export VERBOSE="$(($VERBOSE - 1))";;
26 -n) export SAVE_CONFIG=0;;
27 -c) export SAVE_OVERLAY=1;;
28 -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
29 -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
30 -f) export CONF_IMAGE="$2"; shift;;
31 -F|--force) export FORCE=1;;
32 -h|--help) export HELP=1; break;;
34 echo "Invalid option: $1"
42 export CONFFILES=/tmp/sysupgrade.conffiles
43 export CONF_TAR=/tmp/sysupgrade.tgz
48 [ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
50 Usage: $0 [<upgrade-option>...] <image file or URL>
51 $0 [-q] [-i] <backup-command> <file>
54 -d <delay> add a delay before rebooting
55 -f <config> restore configuration from .tar.gz (file or url)
57 -c attempt to preserve all changed files in /etc/
58 -n do not save configuration over reflash
60 Flash image even if image checks fail, this is dangerous!
63 -h | --help display this help
66 -b | --create-backup <file>
67 create .tar.gz of files specified in sysupgrade.conf
68 then exit. Does not flash an image. If file is '-',
69 i.e. stdout, verbosity is set to 0 (i.e. quiet).
70 -r | --restore-backup <file>
71 restore a .tar.gz created with sysupgrade -b
72 then exit. Does not flash an image. If file is '-',
73 the archive is read from stdin.
79 [ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
81 -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
82 Do not specify both -b|-r and a firmware image.
87 # prevent messages from clobbering the tarball when using stdout
88 [ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
92 ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
93 /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
95 opkg list-changed-conffiles ) | sort -u > "$file"
101 find /overlay/etc/ -type f | sed \
102 -e 's,^/overlay/,/,' \
103 -e '\,/META_[a-zA-Z0-9]*$,d' \
104 -e '\,/functions.sh$,d' \
105 -e '\,/[^/]*-opkg$,d' \
111 sysupgrade_image_check="platform_check_image"
112 [ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
113 sysupgrade_init_conffiles="add_uci_conffiles" || \
114 sysupgrade_init_conffiles="add_overlayfiles"
118 do_save_conffiles() {
119 local conf_tar="${1:-$CONF_TAR}"
121 [ -z "$(rootfs_type)" ] && {
122 echo "Cannot save config while running from ramdisk."
123 ask_bool 0 "Abort" && exit
126 run_hooks "$CONFFILES" $sysupgrade_init_conffiles
127 ask_bool 0 "Edit config file list" && vi "$CONFFILES"
129 v "Saving config files..."
130 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
131 tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
134 if [ -n "$CONF_BACKUP" ]; then
135 do_save_conffiles "$CONF_BACKUP"
139 if [ -f "$CONF_RESTORE" ] || [ "$CONF_RESTORE" = "-" ]; then
140 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
141 tar -C / -x${TAR_V}zf "$CONF_RESTORE"
145 type platform_check_image >/dev/null 2>/dev/null || {
146 echo "Firmware upgrade is not implemented for this platform."
150 for check in $sysupgrade_image_check; do
151 ( eval "$check \"\$ARGV\"" ) || {
152 if [ $FORCE -eq 1 ]; then
153 echo "Image check '$check' failed but --force given - will update anyway!"
156 echo "Image check '$check' failed."
162 if [ -n "$CONF_IMAGE" ]; then
163 case "$(get_magic_word $CONF_IMAGE cat)" in
167 echo "Invalid config file. Please use only .tar.gz files"
171 get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
173 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
180 run_hooks "" $sysupgrade_pre_upgrade
186 if [ -n "$(rootfs_type)" ]; then
187 v "Switching to ramdisk..."
188 run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'