export SAVE_OVERLAY=0
export DELAY=
export CONF_IMAGE=
+export HELP=0
# parse options
while [ -n "$1" ]; do
-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: $1"
exit 1
export ARGV="$*"
export ARGC="$#"
-[ -z "$ARGV" ] && {
+[ -z "$ARGV" -o $HELP -gt 0 ] && {
cat <<EOF
Usage: $0 [options] <image file or URL>
-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="$1"
- find /etc/config /etc/passwd /etc/group /etc/dropbear \
- /etc/firewall.user /etc/rc.local -type f > "$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
}