cat-revision gives backtrace when invalid revid is specified

  affects bzr

ganieda:~/bzr-rebase/debian% bzr cat-revision 2
bzr: ERROR: bzrlib.errors.NoSuchRevision:
KnitRevisionStore(VersionedFileStore('file:///data/jelmer/bzr-rebase/.bzr/repository/')) has no revision 2

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 802,
in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 758,
in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 492,
in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.4/site-packages/bzrlib/commands.py", line 768,
in ignore_pipe
    result = func(*args, **kwargs)
  File "/usr/lib/python2.4/site-packages/bzrlib/builtins.py", line 218,
in run

self.outf.write(b.repository.get_revision_xml(revision_id).decode('utf-8'))
  File "/usr/lib/python2.4/site-packages/bzrlib/decorators.py", line
127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.4/site-packages/bzrlib/repository.py", line
1024, in get_revision_xml
    rev = self.get_revision(revision_id)
  File "/usr/lib/python2.4/site-packages/bzrlib/decorators.py", line
127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.4/site-packages/bzrlib/repofmt/knitrepo.py",
line 177, in get_revision
    return self.get_revision_reconcile(revision_id)
  File "/usr/lib/python2.4/site-packages/bzrlib/decorators.py", line
127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.4/site-packages/bzrlib/repository.py", line
998, in get_revision_reconcile
    return self._get_revisions([revision_id])[0]
  File "/usr/lib/python2.4/site-packages/bzrlib/decorators.py", line
127, in read_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.4/site-packages/bzrlib/repository.py", line
1012, in _get_revisions
    self.get_transaction())
  File "/usr/lib/python2.4/site-packages/bzrlib/store/revision/knit.py",
line 88, in get_revisions
    texts = self._get_serialized_revisions(revision_ids, transaction)
  File "/usr/lib/python2.4/site-packages/bzrlib/store/revision/knit.py",
line 106, in _get_serialized_revisions
    raise errors.NoSuchRevision(self, e.revision_id)
NoSuchRevision:
KnitRevisionStore(VersionedFileStore('file:///data/jelmer/bzr-rebase/.bzr/repository/')) has no revision 2

bzr 1.0.0.candidate.2 on python 2.4.4.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'cat-revision', '2']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'de_DE.UTF-8'
plugins:
  authors /home/jelmer/.bazaar/plugins/authors [unknown]
  builddeb /home/jelmer/.bazaar/plugins/builddeb
[0.92.0dev0]

bzrtools /usr/lib/python2.4/site-packages/bzrlib/plugins/bzrtools [1.0.0]

cia /usr/lib/python2.4/site-packages/bzrlib/plugins/cia
[unknown]
  email /home/jelmer/.bazaar/plugins/email [unknown]
  git /home/jelmer/.bazaar/plugins/git [unknown]
  global_log /home/jelmer/.bazaar/plugins/global_log [unknown]

launchpad /usr/lib/python2.4/site-packages/bzrlib/plugins/launchpad [unknown]

multiparent /usr/lib/python2.4/site-packages/bzrlib/plugins/multiparent.pyc [unknown]
  pqm /home/jelmer/.bazaar/plugins/pqm [unknown]

rebase /usr/lib/python2.4/site-packages/bzrlib/plugins/rebase [0.3.0]
  stats /home/jelmer/.bazaar/plugins/stats [unknown]
  svn /home/jelmer/.bazaar/plugins/svn [0.4.6dev0]

** Please send this report to <email address hidden>
   with a description of what you were doing when the
   error occurred.

--
Jelmer Vernooij <email address hidden> - http://samba.org/~jelmer/
Jabber: <email address hidden>