From 98819daf5c638fec4d20bb3960e0d3188e772ab8 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 13 Oct 2015 23:45:59 +0000
Subject: response: convert source arg to path before IO.copy_stream

This will allow us use the sendfile syscall under Linux on
Ruby which favor #read/#readpartial methods for non-IO objects.

This also allows us to revert changes made in
commit db790ff3531acdfa23ab290998bba29360a6782b
("sync_close: This fix breakage from Ruby-trunk r50118")
---
 lib/rainbows/response.rb   | 5 +++++
 lib/rainbows/sync_close.rb | 8 --------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/lib/rainbows/response.rb b/lib/rainbows/response.rb
index 8d0de1d..b7b6aa8 100644
--- a/lib/rainbows/response.rb
+++ b/lib/rainbows/response.rb
@@ -128,6 +128,11 @@ module Rainbows::Response
     unless IO.method_defined?(:trysendfile)
       module CopyStream
         def write_body_file(body, range)
+          # ensure sendfile gets used for SyncClose objects:
+          if !body.kind_of?(IO) && body.respond_to?(:to_path)
+            body = body.to_path
+          end
+
           range ? COPY_STREAM.copy_stream(body, self, range[1], range[0]) :
                   COPY_STREAM.copy_stream(body, self)
         end
diff --git a/lib/rainbows/sync_close.rb b/lib/rainbows/sync_close.rb
index 8738cae..999f003 100644
--- a/lib/rainbows/sync_close.rb
+++ b/lib/rainbows/sync_close.rb
@@ -16,14 +16,6 @@ class Rainbows::SyncClose
     @body.respond_to?(m)
   end
 
-  def readpartial(*args)
-    @body.readpartial(*args)
-  end
-
-  def read(*args)
-    @body.read(*args)
-  end
-
   def to_path
     @body.to_path
   end
-- 
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