# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1577679563 -3600
# Node ID a1f1f703d604c6f74c27b31e8598e5b8f1a17009
# Parent  9b4fd2553365cda4b0671fb847f3290567148eb3
mod_rest: Allow collection of original stanza after sending HTTP request

Probably a premature optimization, but there should be no need to keep
the full original stanza after this point.

diff -r 9b4fd2553365 -r a1f1f703d604 mod_rest/mod_rest.lua
--- a/mod_rest/mod_rest.lua	Mon Dec 30 05:18:52 2019 +0100
+++ b/mod_rest/mod_rest.lua	Mon Dec 30 05:19:23 2019 +0100
@@ -127,8 +127,13 @@
 			receipt = st.stanza("received", { xmlns = "urn:xmpp:receipts", id = stanza.id });
 		end
 
+		local request_body = tostring(stanza);
+
+		-- Keep only the top level element and let the rest be GC'd
+		stanza = st.clone(stanza, true);
+
 		http.request(rest_url, {
-				body = tostring(stanza),
+				body = request_body,
 				headers = {
 					["Content-Type"] = "application/xmpp+xml",
 					["Content-Language"] = stanza.attr["xml:lang"],