Comment 1 for bug 250418

jml provided this one line change:

=== modified file 'bzrlib/bzrdir.py'
--- bzrlib/bzrdir.py 2008-07-17 08:00:25 +0000
+++ bzrlib/bzrdir.py 2008-07-21 07:53:30 +0000
@@ -217,7 +217,7 @@
         if local_repo:
             # may need to copy content in
             repository_policy = result.determine_repository_policy(
- force_new_repo, stack_on)
+ force_new_repo, stack_on, self.root_transport.base)
             make_working_trees = local_repo.make_working_trees()
             result_repo = repository_policy.acquire_repository(
                 make_working_trees, local_repo.is_shared())

I'll try to come up with some proper tests and submit a merge request today.