From 4c3964815086edbd68eec049352735815de63195 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Thu, 19 Apr 2007 17:55:19 +0000
Subject: [PATCH] $upstream_http_... should be uncacheable

---
 src/http/ngx_http_variables.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index c3e1f6069..5aac76b76 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -1304,6 +1304,7 @@ ngx_http_variables_init_vars(ngx_conf_t *cf)
         if (ngx_strncmp(v[i].name.data, "upstream_http_", 14) == 0) {
             v[i].get_handler = ngx_http_upstream_header_variable;
             v[i].data = (uintptr_t) &v[i].name;
+            v[i].flags = NGX_HTTP_VAR_NOCACHABLE;
 
             continue;
         }