From d4a4348f7fdc589760ec032d66515bb967b3a4a2 Mon Sep 17 00:00:00 2001
From: Alexey Zapparov <alexey@zapparov.com>
Date: Tue, 14 Sep 2021 16:37:45 +0200
Subject: [PATCH] chore: Improve implicit Content-Length failures

Suggest setting `Content-Length` header manually in case we can't guess
body size.

See-Also: https://github.com/httprb/http/pull/560
Co-Authored-By: @savonarola <ilya.averyanov@gmail.com>
---
 lib/http/request/body.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/http/request/body.rb b/lib/http/request/body.rb
index 14af30b8..46ce4f24 100644
--- a/lib/http/request/body.rb
+++ b/lib/http/request/body.rb
@@ -24,7 +24,8 @@ def size
         elsif @source.nil?
           0
         else
-          raise RequestError, "cannot determine size of body: #{@source.inspect}"
+          raise RequestError, "cannot determine size of body: #{@source.inspect}, " \
+            "please set 'Content-Length' header explicitly"
         end
       end