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Re: Pluggeable diff...

From: Daniel Berlin <dberlin_at_dberlin.org>
Date: 2004-07-26 19:59:38 CEST

On Jul 26, 2004, at 10:32 AM, C. Michael Pilato wrote:

> Paul Libbrecht <paul@activemath.org> writes:
>> We recently played with the cmd-diff and cmd-diff3 settings in the
>> hope of getting "pluggeable diffs" as we wished... and... well.. it
>> works but it is not at all what we understood as pluggeable diffs.
>> Namely, we had expected such a setting to be the diff used to compute,
>> at commit time, the difference to be stored in the database (more or
>> less equivalent to what's stored as fragements of the ",v" files of
>> CVS), and, at update time, the merge algorithm to modify the files.
> Er, no, that's not at all what it is. Subversion uses a binary
> differencing algorithm, very *not* pluggable,

I think you meant to say: You can plug in any diff algorithm you want
into the source code, as long as it generates the internal svndiff
format in the end, which is very non-pluggable ;)

In fact, you *could* plug in your xmldiff, though it would likely be
pointless, since you'd have to take the results and turn it into
byte-oriented insert + copy instructions, which svndiff uses.


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Received on Mon Jul 26 19:59:59 2004

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