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Re: Request for review: partial repository sync feature

From: <svnlgo_at_mobsol.be>
Date: 2007-12-10 17:18:20 CET

Quoting David Glasser <glasser@davidglasser.net>:

> On Dec 10, 2007 1:05 AM, <svnlgo@mobsol.be> wrote:
> >
> > Yesterday I finished the work on the partial repository sync feature on the
> > svnsync-folder branch. If someone has time to review the changes on that
> > branches before I merge it back to trunk that would be nice.
> >
> > This is how it works:
> > - In svnsync init you can now specify a url to any path in the repository,
> ex.
> > http://repos/svn/trunk/www .
> > - During replay a filter is used that filters out all paths expect:
> > - /trunk/www
> > - /trunk (depth empty)
> > - / (depth empty) -> I have to check if propmods on '/' are
> actually
> > included, didn't test it but they should be.
> > - All revisions on the master of which all files and directories are
> filtered
> > out result in empty revisions on the slave.
> > - This works over all ra layers.
> >
> > The filter has the same effect as not having read access to /trunk/www.
> This
> > means things like moving to /trunk/ww is converted to Add and moving from
> > /trunk/www is converted to Delete, I didn't have to change anything there.
> >
> > Since changes to mod_dav_svn had to be made to make this work, the 'partial
> > replay' feature will only work with a 1.5 server. I added a
> 'partial-replay'
> > capability to find this out in a clean way. We return an error when a user
> > wants to sync a part of the repository on a 1.4 server.
> >
> > The diff to review is:
> > $ svn diff http://svn.collab.net/repos/svn/trunk@28341
> > http://svn.collab.net/repos/svn/branches/svnsync-folder
> This also still only reports syncing identical paths with svnsync,
> right? ie, you can't sync /trunk/www to the root of a repo with this,
> or anything to not-the-root? (And this may commit lots of empty
> revisions, just like with authz?)
> (These aren't problems, just want to make sure I fully understand.)

Yes on both your questions. You'll get a slave repository with the exact same
structure as the master, but limited to one folder.

The main use cases are to sync one project from a repository with
/project/trunk|branches|tags structure or to sync one branch.

If you have other use cases in mind let them know.


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Received on Mon Dec 10 17:18:35 2007

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