--- a/fetch.py	Mon Nov 14 21:25:56 2011 -0800
+++ b/fetch.py	Mon Nov 14 21:32:54 2011 -0800
@@ -150,11 +150,15 @@
                 assert os.path.isdir(dest), "source is a directory; destination is a file"
             else:
                 os.makedirs(dest)
+            shutil.copytree(path, dest)
         else:
-            if os.path.exists(dest):
-                assert os.path.isfile(dest), ""
-            else:
+            if not os.path.exists(dest):
                 directory, filename = os.path.split(dest)
+                if os.path.exists(directory):
+                    assert os.path.isdir(directory), "%s is not a directory" % directory
+                else:
+                    os.makedirs(directory)
+            shutil.copy(path, dest)
         shutil.rmtree(tmpdir)
 
     def clone(self, dest):