rsync 3.1.0/3.1.1 incompatible with 2.5.7

[Wayne Davison]

On Fri, Jul 25, 2014 at 11:43 PM, Ole Tange <tange at gnu.org> wrote:

> Finding the remote version will be slow. Is there any reason why I don't
> just look at the local version, and if $version >= 3.1.0 then add
> '--protocol=30'. When will that break down?
>

It won't break -- you'll just miss out on the protocol 31 improvements that
would occur between 3.1.x clients. For instance, nsec timestamp
preservation, deleted/created info in the --stats, improved exit message
propagation, etc. You may well find that trade-off acceptable, at least for
now.

..wayne..
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