Comment 2 for bug 1035045

This is now happening when using etckeeper on 16.04 with snappy. Eg:

$ sudo -H bzr add .
adding systemd/system/snaps-cap\x2dtest.sideload-LSXRFfhCCLCY.mount
bzr: ERROR: bzrlib.errors.InvalidEntryName: Invalid entry name: snaps-cap\x2dtest.sideload-LSXRFfhCCLCY.mount

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 842, in run
    no_recurse, action=action, save=not dry_run)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 52, in tree_write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 453, in smart_add
    adder.add(file_list, recurse=recurse)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 764, in add
    inv_path)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 628, in _add_one_and_parent
    file_id=file_id)
  File "/usr/lib/python2.7/dist-packages/bzrlib/inventory.py", line 2234, in make_entry
    return factory(file_id, name, parent_id)
  File "/usr/lib/python2.7/dist-packages/bzrlib/inventory.py", line 422, in __init__
    super(InventoryFile, self).__init__(file_id, name, parent_id)
  File "/usr/lib/python2.7/dist-packages/bzrlib/inventory.py", line 222, in __init__
    raise errors.InvalidEntryName(name=name)
InvalidEntryName: Invalid entry name: snaps-cap\x2dtest.sideload-LSXRFfhCCLCY.mount