Index: roundup/init.py
===================================================================
--- roundup/init.py     (revision 511)
+++ roundup/init.py     (working copy)
@@ -30,7 +30,7 @@
 def copytree(src, dst, symlinks=0):
     """Recursively copy a directory tree using copyDigestedFile().

-    The destination directory os allowed to exist.
+    The destination directory is allowed to exist.

     If the optional symlinks flag is true, symbolic links in the
     source tree result in symbolic links in the destination tree; if
@@ -45,6 +45,8 @@
     except OSError, error:
         if error.errno != errno.EEXIST: raise
     for name in names:
+        if name in ('CVS', '.svn', '.hq'):
+            continue
         srcname = os.path.join(src, name)
         dstname = os.path.join(dst, name)
         if symlinks and os.path.islink(srcname):