From c14794baa8f17dc7d933e5ef9559302707b7a801 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Sun, 17 May 2015 20:34:31 +0800
Subject: [PATCH] keg: add rack method

---
 Library/Homebrew/keg.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Library/Homebrew/keg.rb b/Library/Homebrew/keg.rb
index 2271fd6976..3caf218de9 100644
--- a/Library/Homebrew/keg.rb
+++ b/Library/Homebrew/keg.rb
@@ -112,6 +112,10 @@ class Keg
     path.to_s
   end
 
+  def rack
+    path.parent
+  end
+
   if Pathname.method_defined?(:to_path)
     alias_method :to_path, :to_s
   else