From bca356dd70c9908af68efe8e38264d9cfc80f3a1 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Tue, 4 Jun 2013 13:58:08 +0100
Subject: Don't error out on unreleased OSX versions.

References Homebrew/homebrew#20142.
---
 Library/Homebrew/os/mac/xcode.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index deaac1485..30b01d88d 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -24,7 +24,12 @@ module MacOS::Xcode extend self
     when 10.6       then "3.2.6"
     when 10.7, 10.8 then "4.6.2"
     else
-      raise "Mac OS X '#{MacOS.version}' is invalid"
+      # Default to newest known version of Xcode for unreleased OSX versions.
+      if MacOS.version > 10.8
+        "4.6.2"
+      else
+        raise "Mac OS X '#{MacOS.version}' is invalid"
+      end
     end
   end
 
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