NoSuchRevision error during 'bzr info -v' when first branch revision missing

[Jelmer Vernooij]

gwenhwyvar:~/src/launchpad/devel% bzr info -v
Repository branch (format: 2a)
Location:
  shared repository: /home/jelmer/src/launchpad
  repository branch: .

Related branches:
  parent branch: bzr+ssh://bazaar.launchpad.net/+branch/launchpad/

Format:
       control: Meta directory format 1
        branch: Branch format 7
    repository: Repository format 2a - rich roots, group compression and chk inventories

Control directory:
         1 branches

Branch history:
     15870 revisions
bzr: ERROR: bzrlib.errors.NoSuchRevision: CHKInventoryRepository('file:///home/jelmer/src/launchpad/.bzr/repository/') has no revision Arch-1:<email address hidden>%launchpad--devel--0--patch-126

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/commands.py", line 1138, in ignore_pipe
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 1854, in run
    verbose=noise_level, outfile=self.outf)
  File "/usr/lib/python2.7/dist-packages/bzrlib/info.py", line 378, in show_bzrdir_info
    outfile)
  File "/usr/lib/python2.7/dist-packages/bzrlib/info.py", line 416, in show_component_info
    stats = _show_branch_stats(branch, show_committers, outfile)
  File "/usr/lib/python2.7/dist-packages/bzrlib/info.py", line 305, in _show_branch_stats
    stats = branch.repository.gather_stats(head, committers=verbose)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 1273, in gather_stats
    result = super(VersionedFileRepository, self).gather_stats(revid, committers)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/repository.py", line 527, in gather_stats
    for revision in self.get_revisions(revisions):
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 1398, in get_revisions
    return self._get_revisions(revision_ids)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 155, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 1406, in _get_revisions
    raise errors.NoSuchRevision(self, revid)
NoSuchRevision: CHKInventoryRepository('file:///home/jelmer/src/launchpad/.bzr/repository/') has no revision Arch-1:<email address hidden>%launchpad--devel--0--patch-126

bzr 2.6.0dev3 on python 2.7.3 (Linux-3.5.0-13-generic-x86_64-with-
    Ubuntu-12.10-quantal)
arguments: ['/usr/bin/bzr', 'info', '-v']
plugins: bash_completion[2.6.0dev3], bisect[1.1.0dev], builddeb[2.8.5dev],
    builder[0.7.4dev], bzrtools[2.5.0], changelog_merge[2.6.0dev3],
    cia[1.0.0dev], commitfromnews[unknown], cvs[unknown],
    cvsps_import[unknown], email[unknown], etckeeper[unknown],
    explorer[1.2.1], fastimport[0.14.0dev], faultline[unknown], foo[unknown],
    git[0.6.9], grep[0.5.0dev], gtk[0.104.0], jelmer[unknown],
    keywords[unknown], launchpad[2.6.0dev3], limit_fetch[unknown],
    loggerhead[1.18.1], loom[2.3.0dev], lpreview_body[unknown], mtn[0.0.1dev],
    netrc_credential_store[2.6.0dev3], news_merge[2.6.0dev3], ping[unknown],
    pipeline[1.4.0], plugin_info[1.3.0dev], po_merge[2.6.0dev3],
    pqm[1.4.0dev], prompt[unknown], qbzr[0.22.0dev], rewrite[0.6.4dev],
    search[1.7.0dev], service[unknown], stats[0.2.0dev], svn[1.2.3dev],
    tarmac_land[0.0.1dev], testrunner[unknown], tiplog[0.0.5dev],
    trac[1.0.0dev], upload[1.2.0dev], weave_fmt[2.6.0dev3], webdav[1.12.3dev],
    xmloutput[0.8.8]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_IE.utf8'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.