--- a/fetch.py	Tue Nov 15 15:00:10 2011 -0800
+++ b/fetch.py	Tue Nov 15 15:03:47 2011 -0800
@@ -42,13 +42,16 @@
     src = os.path.realpath(src)
     for dirpath, dirnames, filenames in os.walk(src):
         for d in dirnames:
-            pass
+            path = os.path.join(dirpath, d)
+            _dst = os.path.join(dst, os.path.relpath(path, src)) # XXX depends on python 2.5 relpath
+            if os.path.exists(_dst):
+                assert os.path.isdir(_dst), "%s is a file, %s is a directory" % (src, dst)
+            else:
+                os.makedirs(_dst)
         for f in filenames:
             path = os.path.join(dirpath, f)
-            _dst = os.path.join(dst, os.path.relpath(path, src))
-            import pdb; pdb.set_trace()
-#            shutil.copy2(path
-        import pdb; pdb.set_trace()
+            _dst = os.path.join(dst, os.path.relpath(path, src)) # XXX depends on python 2.5 relpath
+            shutil.copy2(path, _dst)
 
 class Fetcher(object):
     """abstract base class for resource fetchers"""