# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1652780684 -7200
# Node ID e67cc71727ca2c523354c36a034b998fea657c6a
# Parent  83a54f4af94cb8199bc488b28591ff7bd97da634
mod_rest: Fix attempt to index nil in handling of single iq response

Fix handling of many responses, break handling of single response :(

diff -r 83a54f4af94c -r e67cc71727ca mod_rest/mod_rest.lua
--- a/mod_rest/mod_rest.lua	Mon May 16 20:31:58 2022 +0200
+++ b/mod_rest/mod_rest.lua	Tue May 17 11:44:44 2022 +0200
@@ -389,9 +389,11 @@
 			function (result)
 				module:log("debug", "Sending[rest]: %s", result.stanza:top_tag());
 				response.headers.content_type = send_type;
-				local tail = responses[#responses];
-				if tail.name ~= "iq" or tail.attr.from ~= result.stanza.attr.from or tail.attr.id ~= result.stanza.attr.id then
-					origin.send(result.stanza);
+				if responses[1] then
+					local tail = responses[#responses];
+					if tail.name ~= "iq" or tail.attr.from ~= result.stanza.attr.from or tail.attr.id ~= result.stanza.attr.id then
+						origin.send(result.stanza);
+					end
 				end
 				if responses[2] then
 					return encode(send_type, responses);