Don't enter an endless loop if remote hg doesn't answer, show remote noise.
The endless loop is not only triggered if the remote shell is too noisy, but
even if the local ssh command dies due to an error.
# repo.py - repository base classes for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
class RepoError(Exception): pass