naked pkg - save files with spaces properly

Casks/wav-tap.rb

@@ -3,5 +3,5 @@ class WavTap < Cask
   homepage 'https://github.com/pje/wavtap'
   version '0.2.0'
   sha1 '9d71dcf769dd546d66278dc9cbf675df6b006fe6'
-  install 'wav-tap-0.2.0.pkg'
+  install 'WavTap 0.2.0.pkg'
 end

lib/cask/container/naked.rb

@@ -10,7 +10,7 @@ class Cask::Container::Naked < Cask::Container::Base
   end
 
   def target_file
-    File.basename(@cask.url.path)
+    URI.decode(File.basename(@cask.url.path))
   end
 end
 

test/cask/container/naked_test.rb

@@ -0,0 +1,22 @@
+require 'test_helper'
+
+describe Cask::Container::Naked do
+  it "saves files with spaces in them from uris with encoded spaces" do
+    SpaceyCask = Class.new(Cask)
+    SpaceyCask.class_eval do
+      url 'http://example.com/kevin%20spacey.pkg'
+      version '1.2'
+    end
+
+    cask                 = SpaceyCask.new
+    path                 = '/tmp/downloads/kevin-spacey-1.2.pkg'
+    expected_destination = cask.destination_path.join('kevin spacey.pkg')
+    expected_command     = %Q(ditto '#{path}' '#{expected_destination}' 2>&1)
+    Cask::FakeSystemCommand.fake_response_for(expected_command)
+
+    container = Cask::Container::Naked.new(cask, path, Cask::FakeSystemCommand)
+    container.extract
+
+    Cask::FakeSystemCommand.system_calls[expected_command].must_equal 1
+  end
+end