Re: Handling RA extensions between 1.x releases

On Mon, 2004-06-07 at 23:26, Branko Èibej wrote:
> * How does a new server know it's talking to an old client?

So far, we haven't needed to answer that question (at least, post-1.0;
the pipeline editor changes in ra_svn needed the answer to that
question, but they went in pre-1.0).

But, the answer is:

  * ra_svn: Capability strings in the greeting, or by tacking stuff onto
the end of tuples when that's simpler. (For edit pipelining, I used a
capability string; for the repos root, we tacked it onto the end of one
of the server messages during the greeting.)

  * ra_dav: Typically, by making the client request new behavior with a
property, like we did with the "send-all" property in r7727 with fast
updates.

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Received on Tue Jun 8 05:47:02 2004