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Subject: Re: [OMPI devel] Switching away from SVN?
From: Gleb Natapov (glebn_at_[hidden])
Date: 2008-03-24 09:46:41


On Fri, Mar 21, 2008 at 08:52:03AM -0400, Jeff Squyres wrote:
> Cool -- thanks Roland!
>
> For anyone who wants to play with the entire history of OMPI in git
> (as of last night or so -- this git repository is *not* being kept in
> sync with SVN), I cloned the tree that Roland created and put it here:
>
> http://www.open-mpi.org/~jsquyres/unofficial/ompi.git
>
> So you can:
>
> git clone http://www.open-mpi.org/~jsquyres/unofficial/ompi.git
>
> And then work with local git operations from there.
It is very useful! Is it possible to sync it with SVN nightly?
The only problem I have with it is that git doesn't track empty
directories and autogen.sh fails without ompi/mca/io/romio/romio/confdb.

>
>
>
> On Mar 20, 2008, at 8:53 PM, Roland Dreier wrote:
> > <http://utsl.gen.nz/talks/git-svn/intro.html> has some interesting
> > info about svn->git conversions (and svn vs. next-gen distibuted
> > systems in general).
> >
> > Also, out of curiousity I tried doing
> >
> > git-svn clone --stdlayout http://svn.open-mpi.org/svn/ompi/
> >
> > and it seemed to work fine (git-svn is part of the main git
> > distribution). The only obvious thing missing is that you would
> > probably want to set up an author file for a real conversion, so that
> > you get real names instead of just "jsquyres". It took a while to
> > run, mostly because it has to grab each svn changeset one by one.
> >
> > The interesting thing is that a checkout of the current ompi tree
> > seems to be about 37 MB, while .git directory of my repository, which
> > has the entire history of all branches of the svn repository plus
> > 1.6MB of svn metadata is 36 MB. And git can do fun stuff like
> >
> > git diff v1.1..v1.2
> >
> > in half a second (it generates a 274858 line diff). It can generate
> > the full 116320 line (11164 commit) log of the trunk in .3 seconds.
> >
> > Jeff, if you want to see the repository, it is in
> >
> > /data/home/roland/ompi.git
> >
> > Feel free to make it available however you want (it's your data of
> > course).
> >
> > - R.
> > _______________________________________________
> > devel mailing list
> > devel_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/devel
>
>
> --
> Jeff Squyres
> Cisco Systems
>
> _______________________________________________
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> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

--
			Gleb.