export SAVE_CONFIG=1
export SAVE_OVERLAY=0
export SAVE_PARTITIONS=1
+export SKIP_UNCHANGED=0
export CONF_IMAGE=
export CONF_BACKUP_LIST=0
export CONF_BACKUP=
-n) export SAVE_CONFIG=0;;
-c) export SAVE_OVERLAY=1;;
-p) export SAVE_PARTITIONS=0;;
+ -u) export SKIP_UNCHANGED=1;;
-b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
-r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
- -l|--list-backup) export CONF_BACKUP_LIST=1; break;;
+ -l|--list-backup) export CONF_BACKUP_LIST=1;;
-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"
+ echo "Invalid option: $1" >&2
exit 1
;;
*) break;;
IMAGE="$1"
-[ -z "$IMAGE" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
+[ -z "$IMAGE" -a -z "$NEED_IMAGE" -a $CONF_BACKUP_LIST -eq 0 -o $HELP -gt 0 ] && {
cat <<EOF
Usage: $0 [<upgrade-option>...] <image file or URL>
- $0 [-q] [-i] <backup-command> <file>
+ $0 [-q] [-i] [-c] [-u] <backup-command> <file>
upgrade-option:
- -d <delay> add a delay before rebooting
-f <config> restore configuration from .tar.gz (file or url)
-i interactive mode
-c attempt to preserve all changed files in /etc/
+ -u skip from backup files that are equal to those in /rom
-n do not save configuration over reflash
-p do not attempt to restore the partition table after flash.
-T | --test
# prevent messages from clobbering the tarball when using stdout
[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
-add_uci_conffiles() {
+
+list_conffiles() {
+ awk '
+ BEGIN { conffiles = 0 }
+ /^Conffiles:/ { conffiles = 1; next }
+ !/^ / { conffiles = 0; next }
+ conffiles == 1 { print }
+ ' /usr/lib/opkg/status
+}
+
+list_changed_conffiles() {
+ # Cannot handle spaces in filenames - but opkg cannot either...
+ list_conffiles | while read file csum; do
+ [ -r "$file" ] || continue
+
+ echo "${csum} ${file}" | sha256sum -sc - || echo "$file"
+ done
+}
+
+add_conffiles() {
local file="$1"
( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
- -type f -o -type l 2>/dev/null;
- opkg list-changed-conffiles ) | sort -u > "$file"
+ \( -type f -o -type l \) $find_filter 2>/dev/null;
+ list_changed_conffiles ) | sort -u > "$file"
return 0
}
add_overlayfiles() {
local file="$1"
- if [ -d /overlay/upper ]; then
- local overlaydir="/overlay/upper"
- else
- local overlaydir="/overlay"
- fi
- find $overlaydir/etc/ -type f -o -type l | sed \
- -e 's,^/overlay\/upper/,/,' \
- -e 's,^/overlay/,/,' \
- -e '\,/META_[a-zA-Z0-9]*$,d' \
- -e '\,/functions.sh$,d' \
+ ( cd /overlay/upper/; find ./etc \( -type f -o -type l \) $find_filter | sed \
+ -e 's,^\.,,' \
+ -e '\,^/etc/board.json$,d' \
-e '\,/[^/]*-opkg$,d' \
- > "$file"
+ -e '\,^/etc/urandom.seed$,d' \
+ )> "$file"
return 0
}
# hooks
-sysupgrade_image_check="fwtool_check_image platform_check_image"
-sysupgrade_pre_upgrade="fwtool_pre_upgrade"
-[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
- sysupgrade_init_conffiles="add_uci_conffiles" || \
+sysupgrade_image_check="fwtool_check_signature fwtool_check_image platform_check_image"
+
+if [ $SAVE_OVERLAY = 1 ]; then
+ [ ! -d /overlay/upper/etc ] && {
+ echo "Cannot find '/overlay/upper/etc', required for '-c'" >&2
+ exit 1
+ }
sysupgrade_init_conffiles="add_overlayfiles"
+else
+ sysupgrade_init_conffiles="add_conffiles"
+fi
+
+find_filter=""
+if [ $SKIP_UNCHANGED = 1 ]; then
+ [ ! -d /rom/ ] && {
+ echo "'/rom/' is required by '-u'"
+ exit 1
+ }
+ find_filter='( ( -exec test -e /rom/{} ; -exec cmp -s /{} /rom/{} ; ) -o -print )'
+fi
include /lib/upgrade
do_save_conffiles() {
- local conf_tar="${1:-$CONF_TAR}"
+ local conf_tar="$1"
[ -z "$(rootfs_type)" ] && {
- echo "Cannot save config while running from ramdisk."
+ echo "Cannot save config while running from ramdisk." >&2
ask_bool 0 "Abort" && exit
rm -f "$conf_tar"
return 0
v "Saving config files..."
[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
+ if [ "$?" -ne 0 ]; then
+ echo "Failed to create the configuration backup."
+ rm -f "$conf_tar"
+ exit 1
+ fi
rm -f "$CONFFILES"
}
if [ $CONF_BACKUP_LIST -eq 1 ]; then
- add_uci_conffiles "$CONFFILES"
+ run_hooks "$CONFFILES" $sysupgrade_init_conffiles
cat "$CONFFILES"
rm -f "$CONFFILES"
exit 0
if [ -n "$CONF_RESTORE" ]; then
if [ "$CONF_RESTORE" != "-" ] && [ ! -f "$CONF_RESTORE" ]; then
- echo "Backup archive '$CONF_RESTORE' not found."
+ echo "Backup archive '$CONF_RESTORE' not found." >&2
exit 1
fi
fi
type platform_check_image >/dev/null 2>/dev/null || {
- echo "Firmware upgrade is not implemented for this platform."
+ echo "Firmware upgrade is not implemented for this platform." >&2
exit 1
}
case "$IMAGE" in
- http://*)
+ http://*|\
+ https://*)
wget -O/tmp/sysupgrade.img "$IMAGE"
IMAGE=/tmp/sysupgrade.img
;;
case "$IMAGE" in
'')
- echo "Image file not found."
+ echo "Image file not found." >&2
exit 1
;;
/tmp/*) ;;
for check in $sysupgrade_image_check; do
( $check "$IMAGE" ) || {
if [ $FORCE -eq 1 ]; then
- echo "Image check '$check' failed but --force given - will update anyway!"
+ echo "Image check '$check' failed but --force given - will update anyway!" >&2
break
else
- echo "Image check '$check' failed."
+ echo "Image check '$check' failed." >&2
exit 1
fi
}
# .gz files
1f8b) ;;
*)
- echo "Invalid config file. Please use only .tar.gz files"
+ echo "Invalid config file. Please use only .tar.gz files" >&2
exit 1
;;
esac
get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
export SAVE_CONFIG=1
elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
- [ $TEST -eq 1 ] || do_save_conffiles
+ [ $TEST -eq 1 ] || do_save_conffiles "$CONF_TAR"
export SAVE_CONFIG=1
else
[ $TEST -eq 1 ] || rm -f "$CONF_TAR"
rm -f /tmp/sysupgrade.always.overwrite.bootdisk.partmap
fi
-run_hooks "" $sysupgrade_pre_upgrade
-
install_bin /sbin/upgraded
-v "Commencing upgrade. All shell sessions will be closed now."
+v "Commencing upgrade. Closing all shell sessions."
COMMAND='. /lib/functions.sh; include /lib/upgrade; do_upgrade_stage2'