Teach fetch to download patches

1 files changed, 6 insertions, 0 deletions

diff --git a/Library/Homebrew/patch.rb b/Library/Homebrew/patch.rb
index 64325e78d..27ce2d9c3 100644
--- a/Library/Homebrew/patch.rb
+++ b/Library/Homebrew/patch.rb
@@ -1,6 +1,7 @@
 require 'resource'
 require 'stringio'
 require 'erb'
+require 'forwardable'
 
 class Patch
   def self.create(strip, io=nil, &block)
@@ -80,8 +81,13 @@ class IOPatch < Patch
 end
 
 class ExternalPatch < Patch
+  extend Forwardable
+
   attr_reader :resource, :strip
 
+  def_delegators :@resource, :fetch, :verify_download_integrity,
+    :cached_download, :clear_cache
+
   def initialize(strip, &block)
     @strip    = strip
     @resource = Resource.new(&block)