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Re: Bug: "svnadmin dump --incremental --deltas" gives too much output

From: Vincent Lefevre <vincent+svn_at_vinc17.org>
Date: Tue, 30 Sep 2008 17:48:23 +0200

On 2008-09-30 08:08:01 -0700, Paul Charlton wrote:
> Assume 2 revisions: (n), (n-1), containing just a few text files.
> "dump" must export "(n):full text" (to recreate a baseline) and also the
> difference of (n):(n-1)

No, the baseline can be obtained from the previous revisions.
"dump" does not behave as you say: try it!

Note: even for the ChangeLog file on which I'm seeing too much output,
one doesn't have the full text (some parts are missing and the baseline
cannot be recreated from the incremental dump only); and for the other
files in the dump, I just get the difference (n):(n-1) as expected.

> Can you cite which documentation led to the understanding that you express
> in your email?

  "The second useful option is --deltas. This option causes svnadmin
  dump to, instead of emitting full-text representations of file
  contents and property lists, emit only deltas of those items against
  their previous versions."

So, this is a bit like diff, but on binary data.

Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)
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Received on 2008-09-30 17:48:38 CEST

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