From cbdb46887abd18ac6ca2982a90d9ca6ee645114b Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Mon, 7 Jul 2014 18:12:24 -0500
Subject: [PATCH] Remove knowledge of serialization details by marshaling twice

---
 Library/Homebrew/build_environment.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/build_environment.rb b/Library/Homebrew/build_environment.rb
index 1ac51d157e..9b987f1123 100644
--- a/Library/Homebrew/build_environment.rb
+++ b/Library/Homebrew/build_environment.rb
@@ -29,11 +29,11 @@ class BuildEnvironment
   end
 
   def _dump(*)
-    @settings.to_a.join(":")
+    Marshal.dump(@settings)
   end
 
   def self._load(s)
-    new(*s.split(":").map(&:to_sym))
+    new(Marshal.load(s))
   end
 end