#!/bin/sh
-. /etc/functions.sh
+. /lib/functions.sh
# initialize defaults
RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
export INTERACTIVE=0
export VERBOSE=1
export SAVE_CONFIG=1
+export SAVE_OVERLAY=0
+export DELAY=
+export CONF_IMAGE=
+export CONF_BACKUP=
+export CONF_RESTORE=
+export NEED_IMAGE=
+export HELP=0
+export FORCE=0
# parse options
while [ -n "$1" ]; do
case "$1" in
-i) export INTERACTIVE=1;;
+ -d) export DELAY="$2"; shift;;
-v) export VERBOSE="$(($VERBOSE + 1))";;
-q) export VERBOSE="$(($VERBOSE - 1))";;
+ -n) export SAVE_CONFIG=0;;
+ -c) export SAVE_OVERLAY=1;;
+ -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
+ -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1; shift;;
+ -f) export CONF_IMAGE="$2"; shift;;
+ -F|--force) export FORCE=1;;
+ -h|--help) export HELP=1; break;;
-*)
echo "Invalid option: $1"
exit 1
export ARGV="$*"
export ARGC="$#"
-[ -z "$ARGV" ] && {
+[ -z "$ARGV" -a -z "$NEED_IMAGE" -o $HELP -gt 0 ] && {
cat <<EOF
Usage: $0 [options] <image file or URL>
Options:
- -i interactive mode
- -v more verbose
- -q less verbose
+ -d <delay> add a delay before rebooting
+ -f <config> restore configuration from .tar.gz (file or url)
+ -i interactive mode
+ -c attempt to preserve all changed files in /etc/
+ -b / --create-backup <file>
+ create .tar.gz of files specified in sysupgrade.conf
+ then exit. Does not flash an image. If file is '-',
+ i.e. stdout, verbosity is set to 0 (i.e. quiet).
+ -r / --restore-backup <file>
+ restore a .tar.gz created with sysupgrade -b
+ then exit. Does not flash an image. If file is '-',
+ the archive is read from stdin.
+ -n do not save configuration over reflash
+ -F / --force
+ Flash image even if image checks fail, this is dangerous!
+ -q less verbose
+ -v more verbose
+ -h / --help display this help
EOF
exit 1
}
+[ -n "$ARGV" -a -n "$NEED_IMAGE" ] && {
+ cat <<-EOF
+ -b/--create-backup and -r/--restore-backup do not perform a firmware upgrade.
+ Do not specify both -b/-r and a firmware image.
+ EOF
+ exit 1
+}
+
+# prevent messages from clobbering the tarball when using stdout
+[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
+
add_uci_conffiles() {
local file="$1"
- find /etc/config /etc/passwd /etc/group /etc/dropbear /etc/firewall.user > "$file"
+ ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
+ /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
+ -type f 2>/dev/null;
+ opkg list-changed-conffiles ) | sort -u > "$file"
+ return 0
+}
+
+add_overlayfiles() {
+ local file="$1"
+ find /overlay/etc/ -type f | sed \
+ -e 's,^/overlay/,/,' \
+ -e '\,/META_[a-zA-Z0-9]*$,d' \
+ -e '\,/functions.sh$,d' \
+ -e '\,/[^/]*-opkg$,d' \
+ > "$file"
return 0
}
# hooks
sysupgrade_image_check="platform_check_image"
-sysupgrade_init_conffiles="add_uci_conffiles"
+[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
+ sysupgrade_init_conffiles="add_uci_conffiles" || \
+ sysupgrade_init_conffiles="add_overlayfiles"
include /lib/upgrade
do_save_conffiles() {
+ local conf_tar="${1:-$CONF_TAR}"
+
[ -z "$(rootfs_type)" ] && {
echo "Cannot save config while running from ramdisk."
ask_bool 0 "Abort" && exit
v "Saving config files..."
[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
- tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
+ tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
}
+if [ -n "$CONF_BACKUP" ]; then
+ do_save_conffiles "$CONF_BACKUP"
+ exit $?
+fi
+
+if [ -f "$CONF_RESTORE" ] || [ "$CONF_RESTORE" = "-" ]; then
+ [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+ tar -C / -x${TAR_V}zf "$CONF_RESTORE"
+ exit $?
+fi
+
type platform_check_image >/dev/null 2>/dev/null || {
echo "Firmware upgrade is not implemented for this platform."
exit 1
for check in $sysupgrade_image_check; do
( eval "$check \"\$ARGV\"" ) || {
- echo "Image check '$check' failed."
- exit 1
+ if [ $FORCE -eq 1 ]; then
+ echo "Image check '$check' failed but --force given - will update anyway!"
+ break
+ else
+ echo "Image check '$check' failed."
+ exit 1
+ fi
}
done
-if ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
+if [ -n "$CONF_IMAGE" ]; then
+ case "$(get_magic_word $CONF_IMAGE cat)" in
+ # .gz files
+ 1f8b) ;;
+ *)
+ echo "Invalid config file. Please use only .tar.gz files"
+ exit 1
+ ;;
+ esac
+ get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
+ export SAVE_CONFIG=1
+elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
do_save_conffiles
export SAVE_CONFIG=1
else
export SAVE_CONFIG=0
fi
+
run_hooks "" $sysupgrade_pre_upgrade
-v "Switching to ramdisk..."
-run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
+kill_remaining TERM
+sleep 3
+kill_remaining KILL
+
+if [ -n "$(rootfs_type)" ]; then
+ v "Switching to ramdisk..."
+ run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'
+else
+ do_upgrade
+fi
projects / openwrt.git / blobdiff