xbps-src: for meta-templates always set no{extract,fetch}.

xbps-src/shutils/tmpl_funcs.sh.in

@@ -219,16 +219,13 @@ prepare_tmpl()
 {
 	local REQ_VARS i found
 
-	#
-	# There's nothing of interest if we are a meta template.
-	#
-	if [ "$build_style" = "meta-template" ]; then
-		set_tmpl_common_vars
-		return 0
-	fi
-
 	REQ_VARS="pkgname version build_style short_desc long_desc"
 
+	if [ "$build_style" = "meta-template" ]; then
+		nofetch=yes
+		noextract=yes
+	fi
+
 	# Check if required vars weren't set.
 	for i in ${REQ_VARS}; do
 		eval val="\$$i"