lorien@lorien:/web/omd$ hg up --traceback
Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/mercurial/dispatch.py", line 45, in _runcatch
    return _dispatch(ui, args)
  File "/var/lib/python-support/python2.5/mercurial/dispatch.py", line 364, in _dispatch
    ret = _runcommand(ui, options, cmd, d)
  File "/var/lib/python-support/python2.5/mercurial/dispatch.py", line 417, in _runcommand
    return checkargs()
  File "/var/lib/python-support/python2.5/mercurial/dispatch.py", line 373, in checkargs
    return cmdfunc()
  File "/var/lib/python-support/python2.5/mercurial/dispatch.py", line 356, in <lambda>
    d = lambda: func(ui, repo, *args, **cmdoptions)
  File "/var/lib/python-support/python2.5/mercurial/commands.py", line 2800, in update
    return hg.update(repo, rev)
  File "/var/lib/python-support/python2.5/mercurial/hg.py", line 271, in update
    stats = _merge.update(repo, node, False, False, None)
  File "/var/lib/python-support/python2.5/mercurial/merge.py", line 402, in update
    stats = applyupdates(repo, action, wc, p2)
  File "/var/lib/python-support/python2.5/mercurial/merge.py", line 248, in applyupdates
    repo.wwrite(f, t, flags)
  File "/var/lib/python-support/python2.5/mercurial/localrepo.py", line 566, in wwrite
    util.set_flags(self.wjoin(filename), flags)
  File "/var/lib/python-support/python2.5/mercurial/util.py", line 1155, in set_flags
    os.symlink(data, f)
OSError: [Errno 36] File name too long
abort: File name too long