From fc6e9e5baba6fa4f986e729cb780fe52645494b7 Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Wed, 29 Jul 2009 00:57:55 +0100
Subject: [PATCH] Fix Formula.installed?

---
 Library/Homebrew/formula.rb | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index c344437e1e..5c082e4902 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -51,16 +51,15 @@ class AbstractFormula
   end  
   # end ruby is weird section
 
-  def version
-    @version
-  end
-  def name
-    @name
+  attr_reader :version, :name
+  
+  # reimplement if your package has dependencies
+  def deps
   end
 
   # if the dir is there, but it's empty we consider it not installed
   def installed?
-    return prefix.children.count > 0
+    return prefix.children.length > 0
   rescue
     return false
   end
@@ -74,7 +73,6 @@ class AbstractFormula
     # end ruby is weird section
   end
 
-public  
   def prefix
     raise "@name.nil!" if @name.nil?
     raise "@version.nil?" if @version.nil?