From e11a2600c85cb829064bba873161bc8a7e06dffc Mon Sep 17 00:00:00 2001
From: William Morgan <wmorgan-sup@masanjin.net>
Date: Sun, 22 Mar 2009 13:41:56 -0400
Subject: [PATCH] bugfix: sporadic hash traversal error

Don't modify header hash in place while traversing with #each, because
apparently that's a problem for Ruby. But only sometimes.

Based on a patch by Rick Tessner <rick.tessner@gmail.com>.
---
 lib/sup/message.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/sup/message.rb b/lib/sup/message.rb
index e01e245..0ac34fd 100644
--- a/lib/sup/message.rb
+++ b/lib/sup/message.rb
@@ -64,7 +64,7 @@ class Message
   end
 
   def parse_header header
-    header.each { |k, v| header[k.downcase] = v }
+    header.keys.each { |k| header[k.downcase] = v } # canonicalize
 
     fakeid = nil
     fakename = nil
-- 
2.45.2