git import fails - symlink issues

Git import fails for these two branches:

https://code.launchpad.net/~vcs-imports/mnemosyne-proj/max
https://code.launchpad.net/~vcs-imports/mnemosyne-proj/maemosyne

2009-12-19 11:40:24 INFO 52 bytes transferred |
2009-12-19 11:40:26 INFO Counting objects: 235, done. 0
2009-12-19 11:40:26 INFO finding revisions to fetch:generating index 0/235
2009-12-19 11:40:26 INFO finding revisions to fetch 1/136
2009-12-19 11:40:29 INFO
Traceback (most recent call last):
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/scripts/code-import-worker.py", line 63, in <module>
    script.main()
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/scripts/code-import-worker.py", line 58, in main
    import_worker.run()
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/lib/lp/codehosting/codeimport/worker.py", line 409, in run
    self._doImport()
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/lib/lp/codehosting/codeimport/worker.py", line 526, in _doImport
    bazaar_tree.branch.pull(foreign_branch, overwrite=True)
  File "<string>", line 4, in pull_write_locked
  File "/home/pqm/for_rollouts/production/eggs/bzr-2.1.0b3-py2.5-linux-x86_64.egg/bzrlib/branch.py", line 949, in pull
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/branch.py", line 416, in pull
    graph=graph)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/branch.py", line 379, in update_revisions
    interrepo.fetch_objects(determine_wants, self.source.mapping)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 493, in fetch_objects
    store, recorded_wants, pb)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 363, in import_git_objects
    allow_submodules=getattr(repo._format, "supports_tree_reference", False))
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 255, in import_git_tree
    allow_submodules=allow_submodules)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 255, in import_git_tree
    allow_submodules=allow_submodules)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 255, in import_git_tree
    allow_submodules=allow_submodules)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 245, in import_git_tree
    tree = lookup_object(hexsha)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/fetch.py", line 303, in lookup_object
    return target_git_object_retriever[sha]
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/object_store.py", line 267, in __getitem__
    expected_sha=sha)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/object_store.py", line 183, in _get_tree
    unusual_modes)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/mapping.py", line 411, in directory_to_tree
    hexsha = lookup_ie_sha1(ie)
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/object_store.py", line 182, in <lambda>
    lambda ie: self._get_ie_sha1(ie, inv, unusual_modes),
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/object_store.py", line 161, in _get_ie_sha1
    return self._get_ie_object_or_sha1(entry, inv, unusual_modes)[0]
  File "/srv/importd.launchpad.net/production/launchpad-rev-8806/optionalbzrplugins/git/object_store.py", line 158, in _get_ie_object_or_sha1
    raise AssertionError("unknown entry kind '%s'" % entry.kind)
AssertionError: unknown entry kind 'symlink'
Import failed:
Traceback (most recent call last):
Failure: twisted.internet.error.ProcessTerminated: A process has ended with a probable error condition: process ended with exit code 1.