From ebbc3438a1e6f9014d049c98c54182a31212b1d8 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sat, 25 Aug 2012 11:24:13 -0700
Subject: [PATCH] Move used_options and unused_options to ARGV.

---
 Library/Homebrew/extend/ARGV.rb |  8 ++++++++
 Library/Homebrew/tab.rb         | 10 ++--------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index bdfb8fd523..e8a227258c 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -7,6 +7,14 @@ module HomebrewArgvExtension
     select {|arg| arg[0..0] == '-'}
   end
 
+  def used_options f
+    f.build.as_flags & options_only
+  end
+
+  def unused_options f
+    f.build.as_flags - options_only
+  end
+
   def formulae
     require 'formula'
     @formulae ||= downcased_unique_named.map{ |name| Formula.factory name }
diff --git a/Library/Homebrew/tab.rb b/Library/Homebrew/tab.rb
index 32fb5d3657..1a334600df 100644
--- a/Library/Homebrew/tab.rb
+++ b/Library/Homebrew/tab.rb
@@ -9,14 +9,8 @@ require 'vendor/multi_json'
 # `Tab.for_install`.
 class Tab < OpenStruct
   def self.for_install f, args
-    # Retrieve option flags from command line.
-    arg_options = args.options_only
-    # Pick off the option flags from the formula's `options` array by
-    # discarding the descriptions.
-    formula_options = f.build.as_flags
-
-    Tab.new :used_options => formula_options & arg_options,
-            :unused_options => formula_options - arg_options,
+    Tab.new :used_options => args.used_options(f),
+            :unused_options => args.unused_options(f),
             :tabfile => f.prefix + "INSTALL_RECEIPT.json",
             :built_bottle => !!args.build_bottle?,
             :tapped_from => f.tap