From 796160cb77a1b087892ca8ac2df2cdea35344d22 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 14 May 2016 17:47:58 +0900
Subject: [PATCH] nghttpx: Don't add chunked encoded response body for HEAD
 request

---
 src/shrpx_http_downstream_connection.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/shrpx_http_downstream_connection.cc b/src/shrpx_http_downstream_connection.cc
index fb30782b..3840d12c 100644
--- a/src/shrpx_http_downstream_connection.cc
+++ b/src/shrpx_http_downstream_connection.cc
@@ -645,7 +645,10 @@ int htp_hdrs_completecb(http_parser *htp) {
     resp.connection_close = true;
     // transfer-encoding not applied to upgraded connection
     downstream->set_chunked_response(false);
+  } else if (!downstream->expect_response_body()) {
+    downstream->set_chunked_response(false);
   }
+
   if (upstream->on_downstream_header_complete(downstream) != 0) {
     return -1;
   }