Comment 5 for bug 144300

using latest bzr.dev:

$ bzr log -r branch:../foo
bzr: ERROR: bzrlib.errors.ReadOnlyError: A write attempt was made in a read only transaction on KnitPackRepository('file:///home/stewart/mysql/.bzr/repository/')

Traceback (most recent call last):
  File "/home/stewart/lib/python/bzrlib/commands.py", line 857, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/home/stewart/lib/python/bzrlib/commands.py", line 797, in run_bzr
    ret = run(*run_argv)
  File "/home/stewart/lib/python/bzrlib/commands.py", line 499, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/stewart/lib/python/bzrlib/commands.py", line 818, in ignore_pipe
    result = func(*args, **kwargs)
  File "/home/stewart/lib/python/bzrlib/builtins.py", line 1761, in run
    rev1 = rev2 = revision[0].in_history(b)
  File "/home/stewart/lib/python/bzrlib/revisionspec.py", line 227, in in_history
    return self._match_on_and_check(branch, revs)
  File "/home/stewart/lib/python/bzrlib/revisionspec.py", line 206, in _match_on_and_check
    info = self._match_on(branch, revs)
  File "/home/stewart/lib/python/bzrlib/revisionspec.py", line 763, in _match_on
    branch.fetch(other_branch, revision_b)
  File "/home/stewart/lib/python/bzrlib/decorators.py", line 190, in write_locked
    self.lock_write()
  File "/home/stewart/lib/python/bzrlib/branch.py", line 1466, in lock_write
    repo_token = self.repository.lock_write()
  File "/home/stewart/lib/python/bzrlib/repofmt/pack_repo.py", line 1836, in lock_write
    raise errors.ReadOnlyError(self)
ReadOnlyError: A write attempt was made in a read only transaction on KnitPackRepository('file:///home/stewart/mysql/.bzr/repository/')

bzr 1.6b3 on python 2.5.2 (linux2)
arguments: ['/home/stewart/bin/bzr', 'log', '-r', 'branch:../foo']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_AU.UTF-8'
plugins:
  bzrtools /home/stewart/.bazaar/plugins/bzrtools [1.6.0]
  diffstat /home/stewart/.bazaar/plugins/diffstat [unknown]
  gtk /home/stewart/.bazaar/plugins/gtk [0.95.0dev1]
  launchpad /home/stewart/lib/python/bzrlib/plugins/launchpad [unknown]
  loom /home/stewart/.bazaar/plugins/loom [1.4.0dev0]
  multiparent /home/stewart/lib/python/bzrlib/plugins/multiparent.py [unknown]
  mysql_plugins /home/stewart/.bazaar/plugins/mysql_plugins [0.3.13]
  rebase /home/stewart/.bazaar/plugins/rebase [0.4.0dev0]
  signing /home/stewart/.bazaar/plugins/signing [unknown]
*** 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.