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#!/bin/sh
. /etc/functions.sh
# initialize defaults
RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
RAMFS_COPY_DATA="" # extra data files
export INTERACTIVE=0
export VERBOSE=1
export SAVE_CONFIG=1
export SAVE_OVERLAY=0
export DELAY=
export CONF_IMAGE=
export HELP=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;;
-f) export CONF_IMAGE="$2"; shift;;
-h|--help) export HELP=1; break;;
-*)
echo "Invalid option: $1"
exit 1
;;
*) break;;
esac
shift;
done
export CONFFILES=/tmp/sysupgrade.conffiles
export CONF_TAR=/tmp/sysupgrade.tgz
export ARGV="$*"
export ARGC="$#"
[ -z "$ARGV" -o $HELP -gt 0 ] && {
cat <<EOF
Usage: $0 [options] <image file or URL>
Options:
-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/
-n do not save configuration over reflash
-q less verbose
-v more verbose
-h / --help display this help
EOF
exit 1
}
add_uci_conffiles() {
local file="$1"
( 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"
[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
sysupgrade_init_conffiles="add_uci_conffiles" || \
sysupgrade_init_conffiles="add_overlayfiles"
include /lib/upgrade
do_save_conffiles() {
[ -z "$(rootfs_type)" ] && {
echo "Cannot save config while running from ramdisk."
ask_bool 0 "Abort" && exit
return 0
}
run_hooks "$CONFFILES" $sysupgrade_init_conffiles
ask_bool 0 "Edit config file list" && vi "$CONFFILES"
v "Saving config files..."
[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
}
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 '$check' failed."
exit 1
}
done
if [ -n "$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 "" $sysupgrade_pre_upgrade
if [ -n "$(rootfs_type)" ]; then
v "Switching to ramdisk..."
run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
else
do_upgrade
fi
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