# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1408349021 -14400
# Node ID 8cdec62a7751153117a46acdf46b50dcf8ac24de
# Parent  79553cb7774753f9c40a6fa6744b0e0611e41908
Image filter: downgrade strong etags to weak ones as needed.

diff --git a/src/http/modules/ngx_http_image_filter_module.c b/src/http/modules/ngx_http_image_filter_module.c
--- a/src/http/modules/ngx_http_image_filter_module.c
+++ b/src/http/modules/ngx_http_image_filter_module.c
@@ -1012,6 +1012,7 @@ transparent:
     b->last_buf = 1;
 
     ngx_http_image_length(r, b);
+    ngx_http_weak_etag(r);
 
     return b;
 }