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Re: solution to issue 704

From: Alon Ziv <alonz_at_nolaviz.org>
Date: 2002-05-20 11:32:09 CEST

Just a dumb question from a lurker: can't the (relatively) new
'refetch-invalid-urls'
mechanism solve this far more cleanly? We can just clear all URLs of the
switched area,
and they will be automatically re-fetched as needed, no?

(Disclaimer: I haven't tried this...)

    -az

----- Original Message -----
From: "Greg Stein" <gstein@lyra.org>
To: "Ben Collins-Sussman" <sussman@collab.net>
Cc: "SVN Dev List" <dev@subversion.tigris.org>
Sent: Monday, May 20, 2002 11:53 AM
Subject: Re: solution to issue 704

> On Sun, May 19, 2002 at 12:43:57PM -0500, Ben Collins-Sussman wrote:
> >...
> > To generate this post-switch <resource-walk>, we're running dir_delta,
> > comparing revision 0 against the new switched-subtree. So dir_delta
> > is sending out an editor 'add' command for every single item in the
> > switch-destination.
>
> Oh, geez. "Hey, I've got a hammer. That looks like a nail!"
>
> You're producing a tree. That is done by walking the tree using the
> svn_fs_dir_entries() call. It is certainly not a delta operation.
>
> >...
> > It's a shame, because I've been able to essentially re-use both
> > mod_dav_svn's and ra_dav's editors to do the resource-walk, with
> > almost no modifications. It's been very nice. But now it seems that
>
> "almost". But what you're doing is forcing an editor and a driver to do
> double-duty across two entirely different semantic concepts. But with a
> tweak. Not quite the same. IMO, it is a big recipe for confusion.
>
> On the ra_dav side, you're simply going to get a bunch of elements for the
> walk. Don't try and drive an editor. Just start calling set_wc_prop. This
is
> NOT an editor. It is a simple walk of the tree. Don't try to pretend
> otherwise.
>
> >...
> > Instead, it will just call the 'set_wc_prop' callback sitting in the
> > RA session baton directly. Does that sound reasonable?
>
> Absolutely.
>
> Screw dir_delta. It isn't a "walk" system. It is about deltas. On the
> client, just map the incoming data to set_wc_prop. Clean and simple; and
> even better: understandable.
>
> Cheers,
> -g
>
> --
> Greg Stein, http://www.lyra.org/
>
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Received on Mon May 20 11:34:13 2002

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