enters into a infinite loop

[Ryo IGARASHI]

Hi,

When I try to branch the boost release branch (again), bzr-svn enters into a infinite loop
and crashes. I added sandbox to the subversion.conf explicitly as a branch.

I used bzr-svn revision 2194 of 0.5 branch,
bzr revision 3882 of trunk branch.

I tried with the fresh svn-cache directory.

The used subversion branch settings is as follows:
$ cat $HOME/.bazaar/subversion.conf
[b8fc166d-592f-0410-95f2-cb63ce0dd405]
locations = http://svn.boost.org/svn/boost
branches = branches/release;branches/RC_1_33_0;branches/RC_1_34_0;tags/Version_1_34_1;devel;trunk;sandbox

The traceback is:

$ bzr branch --verbose http://svn.boost.org/svn/boost/branches/release release
Initialising Subversion metadata cache in /home/rigarash/.bazaar/svn-cache/b8fc166d-592f-0410-95f2-cb63ce0dd405
bzr: ERROR: exceptions.RuntimeError: maximum recursion depth exceeded

Traceback (most recent call last):
  File "/home/rigarash/checkouts/bzr-dev/bzrlib/commands.py", line 893, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/home/rigarash/checkouts/bzr-dev/bzrlib/commands.py", line 839, in run_bzr
    ret = run(*run_argv)
  File "/home/rigarash/checkouts/bzr-dev/bzrlib/commands.py", line 539, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/rigarash/checkouts/bzr-dev/bzrlib/builtins.py", line 962, in run
    revision_id = br_from.last_revision()
  File "/home/rigarash/.bazaar/plugins/svn/branch.py", line 371, in last_revision
    last_revmeta = self.last_revmeta()
  File "/home/rigarash/.bazaar/plugins/svn/branch.py", line 163, in last_revmeta
    for revmeta, mapping in self._revision_meta_history():
  File "/home/rigarash/.bazaar/plugins/svn/branch.py", line 355, in _revision_meta_history
    self._revmeta_cache = self.repository.get_mainline(self.get_branch_path(), self._revnum or self.repository.get_latest_revnum(), self.mapping, pb=pb)
  File "/home/rigarash/.bazaar/plugins/svn/repository.py", line 435, in get_mainline
    to_revnum=0, pb=pb), mapping))
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 1081, in iter_with_mapping
    (mapping, lhs_mapping) = revmeta.get_appropriate_mappings(mapping)
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 321, in get_appropriate_mappings
    original = self.get_original_mapping()
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 341, in get_original_mapping
    if not self.is_bzr_revision():
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 440, in is_bzr_revision
    if self.consider_bzr_fileprops():
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 587, in consider_bzr_fileprops
    self._consider_bzr_fileprops = (self.estimate_bzr_fileprop_ancestors() > 0)
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 390, in estimate_bzr_fileprop_ancestors
    return self._estimate_fileprop_ancestors("bzr:", estimate_bzr_ancestors)
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 375, in _estimate_fileprop_ancestors
    ret = next._estimate_fileprop_ancestors(key, estimate_fn)
.... (same lines)
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 375, in _estimate_fileprop_ancestors
    ret = next._estimate_fileprop_ancestors(key, estimate_fn)
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 368, in _estimate_fileprop_ancestors
    if self.knows_fileprops() or not self.children:
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 227, in knows_fileprops
    fileprops = self.get_fileprops()
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 201, in get_fileprops
    while not lm.changes_branch_root() and lm._fileprops is None:
  File "/home/rigarash/.bazaar/plugins/svn/revmeta.py", line 128, in changes_branch_root
    if self.knows_changed_fileprops():
RuntimeError: maximum recursion depth exceeded

bzr 1.11dev on python 2.5.2 (linux2)
arguments: ['/home/rigarash/bin/bzr', 'branch', '--verbose', 'http://svn.boost.org/svn/boost/branches/release', 'release']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'ja_JP.UTF-8'
plugins:
  bzrtools /home/rigarash/.bazaar/plugins/bzrtools [1.10]
  fastimport /home/rigarash/.bazaar/plugins/fastimport [unknown]
  launchpad /home/rigarash/checkouts/bzr-dev/bzrlib/plugins/launchpad [unknown]
  rebase /home/rigarash/.bazaar/plugins/rebase [0.4.3dev]
  svn /home/rigarash/.bazaar/plugins/svn [0.5dev]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.

[Jelmer Vernooij (jelmer)]

Unfortunately this isn't actually an infinite loop, it's an actual recursive call that ends up recursing too deeply.

[Ryo IGARASHI (rigarash)]

Thanks for your quick answer.

Is there any way to get rid of this problem?
Is this a limitation of python?
I am not a python expert...

I realize that python uses 8.0GB of my machines memory,
but I have 12GB on my machine so I can go furthur.

[Jelmer Vernooij (jelmer)]

I've already worked around it some other way, should be fixed in the 0.5 branch.