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Re: delta_dirs(), meet delta_dirs()

From: Malcolm Rowe <malcolm-svn-dev_at_farside.org.uk>
Date: 2006-03-07 20:35:41 CET

On Tue, Mar 07, 2006 at 05:26:34PM +0000, Malcolm Rowe wrote:
> On Tue, Mar 07, 2006 at 12:12:45PM -0500, Greg Hudson wrote:
> > It shouldn't be impossible, though. If you can figure out how, go right
> > ahead.
> >
> Sure. It shouldn't be impossible.

It's not impossible, but it's not worth it either.

libsvn_repos/reporter.c is infected with the assumption that the source
is a simple revision number, and there's no point in littering it with
code to allow the source to be a transaction simply to allow it to be a
superset of svn_repos_dir_delta(), which I now understand that we don't
even really use (and for functionality that doesn't seem particularly

Part of the reason that I thought it might be easier is the comments
for svn_repos_begin_report():

 * Construct and return a @a report_baton that will be paired with some
 * @c svn_ra_reporter_t table. The table and baton are used to build a
 * transaction in the system; when the report is finished,
 * svn_repos_dir_delta() is called on the transaction, driving
 * @a editor/@a edit_baton.

... which is utterly wrong, though not in any way that really matters
to a user: we don't implement this by calling svn_repos_dir_delta() and
(more importantly) we don't build a transaction - we drive the editor
directly instead. (If we had built a transaction, I had imagined that I
might be able to implement transaction-as-source by cloning the existing

So I'm not going to follow that path anymore. The good news is that I
don't have to understand how svn_repos_dir_delta() might be intended
to differ from svn_repos_begin_report(), nor how to test it, since I
now understand that for my purposes, I only need to change the function
we're actually really using, not both.


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Received on Tue Mar 7 20:36:15 2006

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