3 .
/lib
/functions
/system.sh
6 RAMFS_COPY_BIN
="" # extra programs for temporary ramfs root
7 RAMFS_COPY_DATA
="" # extra data files
8 export MTD_CONFIG_ARGS
=""
15 export CONF_BACKUP_LIST
=0
26 -i) export INTERACTIVE
=1;;
27 -d) export DELAY
="$2"; shift;;
28 -v) export VERBOSE
="$(($VERBOSE + 1))";;
29 -q) export VERBOSE
="$(($VERBOSE - 1))";;
30 -n) export SAVE_CONFIG
=0;;
31 -c) export SAVE_OVERLAY
=1;;
32 -b|
--create-backup) export CONF_BACKUP
="$2" NEED_IMAGE
=1; shift;;
33 -r|
--restore-backup) export CONF_RESTORE
="$2" NEED_IMAGE
=1; shift;;
34 -l|
--list-backup) export CONF_BACKUP_LIST
=1; break;;
35 -f) export CONF_IMAGE
="$2"; shift;;
36 -F|
--force) export FORCE
=1;;
37 -T|
--test) export TEST
=1;;
38 -h|
--help) export HELP
=1; break;;
40 echo "Invalid option: $1"
48 export CONFFILES
=/tmp
/sysupgrade.conffiles
49 export CONF_TAR
=/tmp
/sysupgrade.tgz
54 [ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
56 Usage: $0 [<upgrade-option>...] <image file or URL>
57 $0 [-q] [-i] <backup-command> <file>
60 -d <delay> add a delay before rebooting
61 -f <config> restore configuration from .tar.gz (file or url)
63 -c attempt to preserve all changed files in /etc/
64 -n do not save configuration over reflash
66 Verify image and config .tar.gz but do not actually flash.
68 Flash image even if image checks fail, this is dangerous!
71 -h | --help display this help
74 -b | --create-backup <file>
75 create .tar.gz of files specified in sysupgrade.conf
76 then exit. Does not flash an image. If file is '-',
77 i.e. stdout, verbosity is set to 0 (i.e. quiet).
78 -r | --restore-backup <file>
79 restore a .tar.gz created with sysupgrade -b
80 then exit. Does not flash an image. If file is '-',
81 the archive is read from stdin.
83 list the files that would be backed up when calling
84 sysupgrade -b. Does not create a backup file.
90 [ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
92 -b|--create-backup and -r|--restore-backup do not perform a firmware upgrade.
93 Do not specify both -b|-r and a firmware image.
98 # prevent messages from clobbering the tarball when using stdout
99 [ "$CONF_BACKUP" = "-" ] && export VERBOSE
=0
101 add_uci_conffiles
() {
103 ( find $
(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
104 /etc
/sysupgrade.conf
/lib
/upgrade
/keep.d
/* 2>/dev
/null
) \
105 -type f
-o -type l
2>/dev
/null
;
106 opkg list-changed-conffiles
) |
sort -u > "$file"
112 if [ -d /overlay
/upper
]; then
113 local overlaydir
="/overlay/upper"
115 local overlaydir
="/overlay"
117 find $overlaydir/etc
/ -type f
-o -type l |
sed \
118 -e 's,^/overlay/,/,' \
119 -e '\,/META_[a-zA-Z0-9]*$,d' \
120 -e '\,/functions.sh$,d' \
121 -e '\,/[^/]*-opkg$,d' \
127 sysupgrade_image_check
="platform_check_image"
128 [ $SAVE_OVERLAY = 0 -o ! -d /overlay
/etc
] && \
129 sysupgrade_init_conffiles
="add_uci_conffiles" || \
130 sysupgrade_init_conffiles
="add_overlayfiles"
134 [ "$1" = "nand" ] && nand_upgrade_stage2 $@
136 do_save_conffiles
() {
137 local conf_tar
="${1:-$CONF_TAR}"
139 [ -z "$(rootfs_type)" ] && {
140 echo "Cannot save config while running from ramdisk."
141 ask_bool
0 "Abort" && exit
144 run_hooks
"$CONFFILES" $sysupgrade_init_conffiles
145 ask_bool
0 "Edit config file list" && vi
"$CONFFILES"
147 v
"Saving config files..."
148 [ "$VERBOSE" -gt 1 ] && TAR_V
="v" || TAR_V
=""
149 tar c
${TAR_V}zf
"$conf_tar" -T "$CONFFILES" 2>/dev
/null
154 if [ $CONF_BACKUP_LIST -eq 1 ]; then
155 add_uci_conffiles
"$CONFFILES"
161 if [ -n "$CONF_BACKUP" ]; then
162 do_save_conffiles
"$CONF_BACKUP"
166 if [ -n "$CONF_RESTORE" ]; then
167 if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
168 echo "Backup archive '$CONF_RESTORE' not found."
172 [ "$VERBOSE" -gt 1 ] && TAR_V
="v" || TAR_V
=""
173 tar -C / -x${TAR_V}zf
"$CONF_RESTORE"
177 type platform_check_image
>/dev
/null
2>/dev
/null ||
{
178 echo "Firmware upgrade is not implemented for this platform."
182 for check
in $sysupgrade_image_check; do
183 ( eval "$check \"\$ARGV\"" ) ||
{
184 if [ $FORCE -eq 1 ]; then
185 echo "Image check '$check' failed but --force given - will update anyway!"
188 echo "Image check '$check' failed."
194 if [ -n "$CONF_IMAGE" ]; then
195 case "$(get_magic_word $CONF_IMAGE cat)" in
199 echo "Invalid config file. Please use only .tar.gz files"
203 get_image
"$CONF_IMAGE" "cat" > "$CONF_TAR"
205 elif ask_bool
$SAVE_CONFIG "Keep config files over reflash"; then
206 [ $TEST -eq 1 ] || do_save_conffiles
212 if [ $TEST -eq 1 ]; then
216 run_hooks
"" $sysupgrade_pre_upgrade
218 # Some platforms/devices may want different sysupgrade process, e.g. without
219 # killing processes yet or calling ubus system upgrade method.
220 # This is needed e.g. on NAND devices where we just want to trigger stage1 at
222 if type 'platform_pre_upgrade' >/dev
/null
2>/dev
/null
; then
223 platform_pre_upgrade
"$ARGV"
226 ubus call system upgrade
227 touch /tmp
/sysupgrade
229 if [ ! -f /tmp
/failsafe
] ; then
235 if [ -n "$(rootfs_type)" ]; then
236 v
"Switching to ramdisk..."
237 run_ramfs
'. /lib/functions.sh; include /lib/upgrade; do_upgrade'