Comment 5 for bug 1588403

See https://github.com/juju/juju/pull/5057 for *beta9*
and above (ie "applications" instead of "services") -
can try it with:

sudo -i # become root

rm /etc/bash_completion.d/juju2
wget -O /etc/bash_completion.d/juju-2.0 \
  https://raw.githubusercontent.com/jjo/juju/master/etc/bash_completion.d/juju-2.0
wget -O /etc/bash_completion.d/juju-version \
  https://raw.githubusercontent.com/jjo/juju/master/etc/bash_completion.d/juju-version

. /etc/bash_completion