diff -r N:M URL over ra_rav performance

Hi,

currently svn diff -r N:M URL over ra fetches two versions of
every changed file. this is terrible for small changes of
large files. so as merging.

I'm trying to fix it with getting ra->do_diff M as textdelta.
I've moved delta_base out of custom_get_request, and let
simple_fetch_file take the baserev from ELEM_open_directory.
also added a always_delta flag to make_reporter for do_diff.

now the problem is to build the !svn/ver/ url with the right way.

but ra_dav does not have the root collection info, so i'm
tempted to modify dir->vsn_url, which is really not clean.
any suggestions?

also this seems to be a case of #518

Cheers,
CLK

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Received on Sat Aug 2 01:16:37 2003