Re: Problems with commit feature negotiation and write-through proxies

Philip Martin <philip_at_codematters.co.uk> writes:

> In the past we supported different versions on the master and slave and
> we introduced the SVNMasterVersion directive to configure it.
> Unfortunately that information is not immediately available in
> get_vsn_options() where the server advertises some commit features. If
> I simply remove the SVN_DAV_NS_DAV_SVN_SVNDIFF2 header from
> get_vsn_options() then I can commit.
>
> I'm not sure how we fix this. Do we delay the svndiff2 negotiation
> until later in the commit? Do we abandon mixed master/slave versions?

I think that we might be able to selectively stop advertising the new-
in-1.10 capabilities based on the SVNMasterVersion value, similarly to
how we handle SVN_DAV_NS_DAV_SVN_EPHEMERAL_TXNPROPS.

Perhaps, we could do something along the lines of the attached patch?

Thanks,
Evgeny Kotkov