FileUtils.mv accepts options. Closes #35.

lib/fakefs/fileutils.rb

@@ -86,7 +86,7 @@ module FakeFS
       end
     end
 
-    def mv(src, dest)
+    def mv(src, dest, options={})
       if target = FileSystem.find(src)
         FileSystem.add(dest, target.entry.clone)
         FileSystem.delete(src)

test/fakefs_test.rb

@@ -688,6 +688,12 @@ class FakeFSTest < Test::Unit::TestCase
     assert_equal 'bar', File.open('baz') { |f| f.read }
   end
 
+  def test_mv_works_with_options
+    File.open('foo', 'w') {|f| f.write 'bar'}
+    FileUtils.mv 'foo', 'baz', :force => true
+    assert_equal('bar', File.open('baz') { |f| f.read })
+  end
+
   def test_cp_actually_works
     File.open('foo', 'w') {|f| f.write 'bar' }
     FileUtils.cp('foo', 'baz')