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Re: Move several repositories into on but keeping the history?

From: Stephen Connolly <stephen.alan.connolly_at_gmail.com>
Date: Sun, 9 Aug 2009 09:56:38 +0100

2009/8/7 Ryan Schmidt <subversion-2009b_at_ryandesign.com>

> On Aug 7, 2009, at 10:25, Steve Constable wrote:
>
> > I'd like to consolidate several repositories into one large one.
> > What I'm worried about is that I might loose all the history from
> > each of the repos.
> > Is there a way to keep the history? I'm imagining that the old
> > repository numbers would get renumbered...but that I can live with
> > since that would be unavoidable.
>
> Of course you can keep the history. :)
>
> 1. "svnadmin dump" each old repository to a file.
>
> 2. "svnadmin create" the new repository.
>
> For the third step, you have two choices.
>
> 3a. "svnadmin load" the first old dumpfile into the new repository,
> making sure to use the "--ignore-uuid" parameter because you do not
> want to inherit the UUID of the first old repository because this new
> repository will not be the same. You may also want to use the "--
> parent-dir" parameter to tell it to put the contents of the old
> repository into a subdirectory of the new repository. Note that you
> must "svn mkdir" the new directory before you can "svnadmin load"
> anything into it. Repeat for each old dumpfile (but you only need "--
> ignore-uuid" the first time, when the new repository is still empty).
>
> The problem with the above strategy is that the revision numbers will
> not be in chronological order. That is, you'll have all the revisions
> of the first project chronologically, and then the next revision, for
> the next project, will jump back in time. This means you will never
> be able to reliably use Subversion's date-based revision selection
> mechanism (e.g. "svn log -r {2009-01-01}"). (If you try, it may
> silently give you the wrong revision.) The solution is to interleave
> the revisions of the old projects so that they remain in
> chronological order.
>
> 3b. use "svndumptool merge" to combine all the old dumpfiles into a
> new single one with revisions in chronological order. Then "svnadmin
> load" that into the new repository, using again the "--ignore-uuid"
> parameter.
>
> http://svn.borg.ch/svndumptool/
>

Note: if you use svndumptool merge and you have svn:mergeinfo properties,
these may get messed up (at least they did for me)

>
>
> Regardless which method you choose, revisions will be renumbered.
> This will impact anywhere you have revision numbers recorded, for
> example your log messages or your issue tracker. If you have
> externals definitions pointing back to your own repository(ies), both
> the revisions and the paths may need to be changed. Note that you
> should be able to use "svndumptool transform-prop" to fix these
> before you load them.
>
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>
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>
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Received on 2009-08-09 10:57:41 CEST

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