failed push causes "NameError: global name 'hg' is not defined"

[Greg Lindahl]

I was pushing to a parent repo over ssh, which happens to be on the
same machine. I've done this repeatedly and in previous failed pushes,
a good error message was produced. Dunno why this one puked:

[lindahl at greg-desk pm]$ hg push
pushing to ssh://hg@master/b
searching for changes
** unknown exception encountered, details follow
** report bug details to http://www.selenic.com/mercurial/bts
** or mercurial at selenic.com
** Mercurial Distributed SCM (version 0.9.5)
Traceback (most recent call last):
  File "/usr/bin/hg", line 14, in ?
    mercurial.dispatch.run()
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 20, in run
    sys.exit(dispatch(sys.argv[1:]))
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 29, in dispatch
    return _runcatch(u, args)
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 45, in _runcatch
    return _dispatch(ui, args)
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 348, in _dispatch
    ret = _runcommand(ui, options, cmd, d)
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 401, in _runcommand
    return checkargs()
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 357, in checkargs
    return cmdfunc()
  File "/usr/lib64/python2.4/site-packages/mercurial/dispatch.py", line 340, in <lambda>
    d = lambda: func(ui, repo, *args, **cmdoptions)
  File "/usr/lib64/python2.4/site-packages/mercurial/commands.py", line 2147, in push
    r = repo.push(other, opts['force'], revs=revs)
  File "/usr/lib64/python2.4/site-packages/mercurial/localrepo.py", line 1385, in push
    return self.push_unbundle(remote, force, revs)
  File "/usr/lib64/python2.4/site-packages/mercurial/localrepo.py", line 1465, in push_unbundle
    return remote.unbundle(cg, remote_heads, 'push')
  File "/usr/lib64/python2.4/site-packages/mercurial/sshrepo.py", line 199, in unbundle
    self.raise_(hg.RepoError(_("push failed: %s") % r))
NameError: global name 'hg' is not defined
remote: waiting for lock on repository b held by 'greg-desk:22840'

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