From b149580632d2f5f6cfe8a6e028028ef85acafaee Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Tue, 10 Mar 2015 23:25:31 -0400
Subject: Silence method redefinition warning

---
 Library/Homebrew/debrew/irb.rb | 42 ++++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

(limited to 'Library')

diff --git a/Library/Homebrew/debrew/irb.rb b/Library/Homebrew/debrew/irb.rb
index c3a16c046..8d81558b1 100644
--- a/Library/Homebrew/debrew/irb.rb
+++ b/Library/Homebrew/debrew/irb.rb
@@ -3,31 +3,33 @@ require 'irb'
 module IRB
   @setup_done = false
 
-  def IRB.parse_opts
-  end
-
-  def IRB.start_within(binding)
-    unless @setup_done
-      IRB.setup(nil)
-      @setup_done = true
+  extend Module.new {
+    def parse_opts
     end
 
-    workspace = WorkSpace.new(binding)
-    irb = Irb.new(workspace)
+    def start_within(binding)
+      unless @setup_done
+        setup(nil)
+        @setup_done = true
+      end
 
-    @CONF[:IRB_RC].call(irb.context) if @CONF[:IRB_RC]
-    @CONF[:MAIN_CONTEXT] = irb.context
+      workspace = WorkSpace.new(binding)
+      irb = Irb.new(workspace)
 
-    trap("SIGINT") do
-      irb.signal_handle
-    end
+      @CONF[:IRB_RC].call(irb.context) if @CONF[:IRB_RC]
+      @CONF[:MAIN_CONTEXT] = irb.context
+
+      trap("SIGINT") do
+        irb.signal_handle
+      end
 
-    begin
-      catch(:IRB_EXIT) do
-        irb.eval_input
+      begin
+        catch(:IRB_EXIT) do
+          irb.eval_input
+        end
+      ensure
+        irb_at_exit
       end
-    ensure
-      irb_at_exit
     end
-  end
+  }
 end
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