github release compare v and non-v tags

tools/wget_semver

@@ -15,18 +15,22 @@ function usage() {
 }
 
 function get_github() {
-	local all_releases=$(git ls-remote --tags --sort="v:refname" git://github.com/$REPO_NAME | grep -Eo "v?([0-9]\.)+[0-9]+")
+	local all_releases=$(git ls-remote --tags --sort="v:refname" git://github.com/"$REPO_NAME" | grep -Eo "v?([0-9]+\.){2}[0-9]+$" )
 
 	# extract only VERSION without 'v'
-	local non_v_release=$(echo "$all_releases" |
-		grep -v "refs/tags/v" | grep -v v | tail -n1 | cut -f2 | cut -d '/' -f3)
+	local non_v_release=$(echo "$all_releases" | grep -v v | tail -n1 | cut -f2 | cut -d '/' -f3)
 	non_v_release=${non_v_release%^\{\}} # remove extra characters ^{} from github
-	[ -n "$non_v_release" ] && echo $non_v_release && return
 
 	# extract remaining version including 'v'
 	local v_release=$(echo "$all_releases" | tail -n1 | cut -f2 | cut -d '/' -f3)
 	v_release=${v_release%^\{\}} # remove extra characters ^{} from github
-	echo $v_release
+	
+	# compare which newer from non_v_release to v_release
+	if [ -n "$non_v_release" ] && [ "v$non_v_release" \> "$v_release" ]; then
+		echo $non_v_release
+	else
+		echo $v_release
+	fi
 }
 
 function get_artcode() {