From 58e36c73193befb57d351344cea2a4a33fef850d Mon Sep 17 00:00:00 2001
From: Markus Reiter
Date: Fri, 23 Sep 2016 22:02:23 +0200
Subject: Fix Style/GuardClause.

---
 Library/Homebrew/os/mac/xcode.rb | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'Library/Homebrew/os/mac/xcode.rb')

diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index dac8b8f1e..0f78e4412 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -18,12 +18,10 @@ module OS
         when "10.11" then "8.0"
         when "10.12" then "8.0"
         else
+          raise "macOS '#{MacOS.version}' is invalid" unless OS::Mac.prerelease?
+
           # Default to newest known version of Xcode for unreleased macOS versions.
-          if OS::Mac.prerelease?
-            "8.0"
-          else
-            raise "macOS '#{MacOS.version}' is invalid"
-          end
+          "8.0"
         end
       end
 
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