bash_completion: only complete ploop-related commands if ploop is supported by the kernel

We check for /proc/vz/ploop_minor because earlier kernels (that do not provide it)
won't work with this vzctl anyway.

We use += which is bashism because this script is bash-specific.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed