From 9f682f98fc53e56996f927f3dbb84bea478ea2bc Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Fri, 28 Feb 2014 11:16:55 -0600
Subject: Add TapDependency

---
 Library/Homebrew/dependency.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'Library/Homebrew/dependency.rb')

diff --git a/Library/Homebrew/dependency.rb b/Library/Homebrew/dependency.rb
index f2da14a06..dd92cc4fc 100644
--- a/Library/Homebrew/dependency.rb
+++ b/Library/Homebrew/dependency.rb
@@ -131,3 +131,15 @@ class Dependency
     end
   end
 end
+
+class TapDependency < Dependency
+  def initialize(name, tags=[], env_proc=DEFAULT_ENV_PROC, option_name=name)
+    super(name, tags, env_proc, name.split("/").last)
+  end
+
+  def installed?
+    super
+  rescue FormulaUnavailableError
+    false
+  end
+end
-- 
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