rsync send "non-rsync" options to the server side (--remote-option) and (--protect-args)

[Wayne Davison]

If you want to pass non-rsync args (etc) you should be using --rsync-path.
The -M option is only for sending rsync-related options.

..wayne..

On Fri, Oct 28, 2016 at 7:32 AM, John Lane <rsync at jelmail.com> wrote:

>
> Hello, I asked the below back at the beginning of August but have
> received no replies. If anyone can help me with this problem it would be
> much appreciated. If I have not provided some necessary information then
> please let me know so I may do so. Thanks in advance.
>
> > I have been working on a backup server where I have a server-side script
> > that wraps the server-side rsync invocation. I have used the client-side
> > rsync -M (--remote-option) to send options to the server script,
> > removing them from the command-line prior to invoking the server-side
> > rsync. This was discussed on Stack Exchange
> > (http://unix.stackexchange.com/questions/297143). It works well.
> >
> > However, one observation is that the rsync client's -s (--protect-args)
> > option passes all arguments directly into the rsync server and only
> > sends a minimal rsync command-line to launch the server-side rsync.
> >
> > This means my script does not see -M options when -s is used. It also
> > means that the server-side rsync receives options not intended for it
> > and these cause it to terminate.
> >
> > I note from the man-page that the -s option "will eventually become a
> > new default setting at some as-yet-undetermined point in the future".
> > When that happens, it will break what I have above.
> >
> > So, a couple of questions:
> >
> > * is using -M the right way to send non-rsync options to the server side
> ?
> >
> > * could it be considered for -s to not affect non-rsync options that
> > have been specified with -M ?
> >
> > Thanks for your attention.
> >
>
>
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