From 845ccb10ab2248e16ffba6a2b1ec1bd13109a1d1 Mon Sep 17 00:00:00 2001
From: Luna <git@l4.pm>
Date: Thu, 3 Sep 2020 22:46:19 -0300
Subject: [PATCH] don't overwrite content-length if its already there

we shouldn't overwrite something that the client likely did it
willlingly
---
 src/kemal/ext/response.cr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kemal/ext/response.cr b/src/kemal/ext/response.cr
index 6fd4c01..1d11dd1 100644
--- a/src/kemal/ext/response.cr
+++ b/src/kemal/ext/response.cr
@@ -2,7 +2,7 @@ class HTTP::Server::Response
   class Output
     def close
       # ameba:disable Style/NegatedConditionsInUnless
-      unless response.wrote_headers? && !response.headers.has_key?("Content-Range")
+      if !response.wrote_headers? && !response.headers.has_key?("Content-Range") && !response.headers.has_key?("Content-Length")
         response.content_length = @out_count
       end