From 1ace6f147df05b47034c33f65370c50903bcd2d2 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Fri, 12 Sep 2014 21:19:25 -0500
Subject: [PATCH] Make exception subclasses use their superclass properly

---
 Library/Homebrew/exceptions.rb | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/Library/Homebrew/exceptions.rb b/Library/Homebrew/exceptions.rb
index b9696f6232..a45a5de772 100644
--- a/Library/Homebrew/exceptions.rb
+++ b/Library/Homebrew/exceptions.rb
@@ -251,22 +251,13 @@ class ChecksumMismatchError < RuntimeError
 end
 
 class ResourceMissingError < ArgumentError
-  def initialize formula, resource
-    @formula = formula
-    @resource = resource
-  end
-
-  def to_s
-    "Formula #{@formula} does not define resource \"#{@resource}\"."
+  def initialize(formula, resource)
+    super "#{formula} does not define resource #{resource.inspect}"
   end
 end
 
 class DuplicateResourceError < ArgumentError
-  def initialize resource
-    @resource = resource
-  end
-
-  def to_s
-    "Resource \"#{@resource}\" defined more than once."
+  def initialize(resource)
+    super "Resource #{resource.inspect} is defined more than once"
   end
 end