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Re: Downgrading FS version

From: Ulrich Eckhardt <eckhardt_at_satorlaser.com>
Date: 2007-11-26 15:38:42 CET

On Monday 26 November 2007, Joachim Durchholz wrote:
> I'm migrating an SVN repository from one machine to another. All's well,
> except that when I attempt to actually access it, I keep getting
> Expected FS format '1'; found format '2'
> errors.
> Now after some investigation, I found that's because the new machine
> runs SVN 1.3 and the old has SVN 1.4.
> The big question is: how do I convert the file data?
> I could try to svndump on a machine with 1.4 and an svnload on the 1.3
> target serve. Is that a viable option (I didn't find anything on FS
> versions in the svnbook)?

That's an option I would try. You will probably only need a few revisions to
find out if it works, in case it is an old repository. Other than that,
downgrades are typically complicated and sometimes even not possible because
the old version simply has no equivalent of a feature that was used by the
newer one.

> I'd like to avoid upgrading to 1.4 - that would involve adding another
> package repository and apt pinning, and that's complicated and may break
> things for other users.

In case you only have svnserve running under a dedicated account, you can also
install Subversion user-locally (typically that would be in ~/bin). The only
system-wide configuration would be the configuration of [x]inetd then. Also,
an administrator for SVN could check logfiles or upgrade Subversion without
requiring root access on that machine. The other alternative is installing
in /usr/local of course. Still, you don't get any of the advantages of APT
with either method.


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Received on Mon Nov 26 16:41:34 2007

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