[libvirt] [PATCH 4/4] remote: Detect 'nc' version incompatibilities

[Daniel P. Berrange]

On Fri, Feb 12, 2010 at 10:32:17AM -0500, Cole Robinson wrote:
> This ugly thing is a shell script to detect availability of
> the -q option for 'nc': debian and suse based distros need this
> flag to ensure the remote nc will exit on EOF, so it will go away
> when we close the tunnel. If it doesn't go away, a useless 'nc'
> process is left sitting on the remote host.
> 
> Fedora's 'nc' doesn't have this option, so we can't blindly pass -q.
> More info here:

I don't really like this approach. Shouldn't it be sufficient to
just explicit SIGKILL the ssh client, rather than relying on the
exit-on-EOF behaviour of nc.

Daniel
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