Re: [OMPI devel] Switching away from SVN?

[George Bosilca]

This directory is not supposed to be empty. After a discussion on the mailing list, Ralph added a file called .placeholder there, for exactly this reason. The commit was 17648. Maybe someone can synchronize the git tree with the latest svn ...

  george.

On Mar 24, 2008, at 9:46 AM, Gleb Natapov wrote:

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


    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.

sync with SVN), I cloned the tree that Roland created and put it here:

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

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

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.
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probably want to set up an author file for a real conversion, so that seems to be about 37 MB, while .git directory of my repository, which

--
Jeff Squyres
Cisco Systems

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                        Gleb.
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