From b5e7359eacc5a432892e2deda02d296867d89d3a Mon Sep 17 00:00:00 2001
From: Jeff Hodges <jeff@somethingsimilar.com>
Date: Sat, 30 May 2009 23:24:29 -0700
Subject: [PATCH] fixing FileUtils.mv

---
 lib/fakefs.rb       | 2 +-
 test/fakefs_test.rb | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/fakefs.rb b/lib/fakefs.rb
index d301bd5..306ed40 100644
--- a/lib/fakefs.rb
+++ b/lib/fakefs.rb
@@ -30,7 +30,7 @@ module FakeFS
 
     def mv(src, dest)
       if target = FileSystem.find(src)
-        FileSystem.add(dest, target.entry)
+        FileSystem.add(dest, target.entry.clone)
         FileSystem.delete(src)
       else
         raise Errno::ENOENT, src
diff --git a/test/fakefs_test.rb b/test/fakefs_test.rb
index 6901264..48e84df 100644
--- a/test/fakefs_test.rb
+++ b/test/fakefs_test.rb
@@ -265,4 +265,10 @@ class FakeFSTest < Test::Unit::TestCase
       FileUtils.mv 'blafgag', 'foo'
     end
   end
+
+  def test_mv_actually_works
+    File.open('foo', 'w') {|f| f.write 'bar' }
+    FileUtils.mv 'foo', 'baz'
+    assert_equal 'bar', File.open('baz'){|f| f.read }
+  end
 end