From af3ad3cb86faf73b3c9f089fa496a0e01f43b9f0 Mon Sep 17 00:00:00 2001
From: Xu Cheng <git@xuc.me>
Date: Wed, 17 Aug 2016 22:52:19 +0800
Subject: [PATCH] disable sandbox for 10.5

Although `sandbox-exec` is available in 10.5, it has very limit
support on the DSL for sandbox profile file(.sb file). Therefore,
sandbox for Homebrew on 10.5 is broken.

Closes #735.

Signed-off-by: Xu Cheng <git@xuc.me>
---
 Library/Homebrew/sandbox.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/sandbox.rb b/Library/Homebrew/sandbox.rb
index b1493369a1..dece2e4a58 100644
--- a/Library/Homebrew/sandbox.rb
+++ b/Library/Homebrew/sandbox.rb
@@ -8,7 +8,7 @@ class Sandbox
   ].freeze
 
   def self.available?
-    OS.mac? && File.executable?(SANDBOX_EXEC)
+    OS.mac? && OS::Mac.version >= "10.6" && File.executable?(SANDBOX_EXEC)
   end
 
   def self.formula?(formula)
-- 
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