From 5545348a33d44c7eba452912bd9cd89c1c112134 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Wed, 11 Apr 2012 18:24:24 -0500
Subject: [PATCH] Implement <=> for Dependency

Fixes #11587.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
---
 Library/Homebrew/dependencies.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Library/Homebrew/dependencies.rb b/Library/Homebrew/dependencies.rb
index 455b42e24cad..385d54845efa 100644
--- a/Library/Homebrew/dependencies.rb
+++ b/Library/Homebrew/dependencies.rb
@@ -74,6 +74,10 @@ def ==(other_dep)
     @name == other_dep.to_s
   end
 
+  def <=>(other_dep)
+    @name <=> other_dep.to_s
+  end
+
   def options
     @tags.select{|p|p.start_with? '--'}
   end