This version is still a bit chatty when -name isn't specified so 
attached is an updated version of the patch which is less chatty when 
-name isn't specified.

Regards,

Anthony Liguori

Anthony Liguori wrote:
> Modern DNS clients (like vinagre) support mDNS/DNS-SD discovery of VNC servers.
> VNC servers like Vino link directly against libavahi to publish themselves.
> Fitting libavahi into QEMU though would be pretty hairy and not as flexible as
> simply calling out to a helper script and using the avahi utilities.
>
> This patch adds support for a ',script=/patch/to/script' option to the existing
>  -vnc option.  It also includes an example script which uses avahi-publish the
> presence of the QEMU instance.  Care has been taken to ensure that errors are
> silenced if either bash or avahi aren't present and the user hasn't explicitly
> specified ',script='.
>