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Re: [INTERM PATCH] Issue 571: A+D should be R in update

From: Peter N. Lundblad <peter_at_famlundblad.se>
Date: 2005-09-13 20:31:02 CEST

On Tue, 13 Sep 2005, Philip Martin wrote:

> Christopher Ness <chris@nesser.org> writes:
> Such a change may well contravene Subversion's ABI compatability
> guidelines; it's likely to break existing notification callbacks. I
> see that we added locking values to svn_wc_notify_action_t in 1.2, but
> that didn't break things in quite the same way. A 1.1 client using
> 1.2 libraries would continue to work so long as no locks were
> involved, whereas your proposed change is likely to break 1.2 clients
> using 1.3 libraries. You may need to rev the notification API.
Ouch! NOt again, please! I think you're a bit extreme when you claim that
we break ABI by just adding an enumeration value (OK, in a very strict
sense, but we're a library, not a standards body:-). But in this case,
when you *replace* some values with a new value, we would break ABI in a
way that isn't acceptable. But, why can't this stuff be kept in the CLI
code. We could leave it up to each notifier implementation to coelsce D/A
into R.


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Received on Tue Sep 13 20:32:58 2005

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