Hi,

Jeffrey J. Kosowsky wrote on 2011-08-05 12:08:47 -0400 [Re: [BackupPC-users] 
How do I configure DumpPreUserCmd to have?multiple?commands]:
> Jeffrey J. Kosowsky wrote at about 11:36:13 -0400 on Friday, August 5, 2011:
>  > All I can say is that the form bash -c "code..." does work.
>  > I use the following 'monstrosity' to query if rsyncd is running and
>  > start cygwin rsyncd on my Windows machine if it isn't.
>  > 
>  > $Conf{RestorePreUserCmd} =
>  >   "\$sshPath -q -x -l  $Conf{RsyncdUserName} \$hostIP bash -c 
> '/bin/cygrunsrv -Q rsyncd | /bin/egrep -q    \"Current State *: *Running\" || 
> ( /usr/bin/rm -f /var/run/rsyncd.pid; /bin/cygrunsrv -S rsyncd ; sleep 20)'";
> 
> Correction - I just realized that I am using 'bash -c' in a different
> way in that it is passed to ssh and executed on the client side.
> 
> You are exactly right that 'bash -c "blah blah blah"' fails since the
> quote mechanism doesn't work without a shell. It's too bad that there
> isn't an option that allows a "bash -c" like construction to interpret
> everything that follows (up to perhaps a delimitter) to be interpreted
> as part of the command line (though white space would need to be escaped).

actually, there is: it's called a shell script ;-). I can understand that you
don't want to keep scripts on your *clients* (whether Windoze or real
computers), but on the server you could use $TopDir/bin and keep them with
your pool, or /usr/local/sbin to keep them with your configuration. You could
even abuse your host.pl file so it does different things when called with a
'RestorePreUserCmd' command line argument ;-).

If you're really desperate, there is a way, though I'm *not* going to suggest
$sshPath -q -x localhost ... that would be a really ugly hack :).

Regards,
Holger

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