X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/feaf88f721ae706a43e144f7b7975d915aad4d7e..02e3b0f5531da86339e8da86b1f78a9b6aba7f50:/package/base-files/files/sbin/sysupgrade?ds=sidebyside

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 0fb07530e..7efb2b436 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -10,6 +10,7 @@ export SAVE_CONFIG=1
 export SAVE_OVERLAY=0
 export DELAY=
 export CONF_IMAGE=
+export HELP=0
 
 # parse options
 while [ -n "$1" ]; do 
@@ -21,6 +22,7 @@ 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: $1"
 			exit 1
@@ -36,7 +38,7 @@ export CONF_TAR=/tmp/sysupgrade.tgz
 export ARGV="$*"
 export ARGC="$#"
 
-[ -z "$ARGV" ] && {
+[ -z "$ARGV" -o $HELP -gt 0 ] && {
 	cat <<EOF
 Usage: $0 [options] <image file or URL>
 
@@ -48,6 +50,7 @@ Options:
 	-n           do not save configuration over reflash
 	-q           less verbose
 	-v           more verbose
+	-h / --help  display this help
 
 EOF
 	exit 1
@@ -55,8 +58,10 @@ EOF
 
 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
 }