Refactor Xcode/CLT version checks

1 files changed, 12 insertions, 7 deletions

diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index d399e8b35..0ec9e0bd1 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -19,17 +19,18 @@ module MacOS::Xcode extend self
 
   def latest_version
     case MacOS.version
-      when 10.5 then "3.1.4"
-      when 10.6 then "3.2.6"
+    when 10.5       then "3.1.4"
+    when 10.6       then "3.2.6"
+    when 10.7..10.8 then "4.6.2"
     else
-      if MacOS.version >= 10.7
-        "4.6.2"
-      else
-        raise "Mac OS X `#{MacOS.version}' is invalid"
-      end
+      raise "Mac OS X '#{MacOS.version}' is invalid"
     end
   end
 
+  def outdated?
+    version < latest_version
+  end
+
   def prefix
     @prefix ||= begin
       path = Pathname.new(folder)
@@ -158,6 +159,10 @@ module MacOS::CLT extend self
     $1.to_i >= 425 and $3.to_i >= 28
   end
 
+  def outdated?
+    !latest_version?
+  end
+
   def version
     # The pkgutils calls are slow, don't repeat if no CLT installed.
     return @version if @version_determined