Comment 2 for bug 583257

Vincent Ladeuil пишет:
> Please provide a traceback so we know where to add the missing URL :)

IIUC, the URL should be passed into error constructor.

But if you want to see a traceback.. It's easy:

bzr init .
echo ""> .bzr/branch-format
bzr -Derror st

C:\Temp\2>bzr -Derror st
bzr: ERROR: bzrlib.errors.UnknownFormatError: Unknown bzrdir format: ''

Traceback (most recent call last):
   File "bzrlib\commands.pyo", line 853, in exception_to_return_code
   File "bzrlib\commands.pyo", line 1055, in run_bzr
   File "bzrlib\commands.pyo", line 661, in run_argv_aliases
   File "bzrlib\commands.pyo", line 665, in run_direct
   File "bzrlib\cleanup.pyo", line 122, in run_simple
   File "bzrlib\cleanup.pyo", line 156, in _do_with_cleanups
   File "bzrlib\commands.pyo", line 1070, in ignore_pipe
   File "bzrlib\builtins.pyo", line 313, in run
   File "bzrlib\builtins.pyo", line 77, in tree_files
   File "bzrlib\builtins.pyo", line 170, in internal_tree_files
   File "bzrlib\workingtree.pyo", line 343, in open_containing
   File "bzrlib\bzrdir.pyo", line 898, in open_containing
   File "bzrlib\bzrdir.pyo", line 919, in open_containing_from_transport
   File "bzrlib\bzrdir.pyo", line 873, in open_from_transport
   File "bzrlib\lazy_import.pyo", line 125, in __call__
   File "bzrlib\transport\__init__.pyo", line 1644, in
do_catching_redirections
   File "bzrlib\bzrdir.pyo", line 860, in find_format
   File "bzrlib\bzrdir.pyo", line 1820, in find_format
   File "bzrlib\bzrdir.pyo", line 1837, in probe_transport
UnknownFormatError: Unknown bzrdir format: ''