On Mar 24, 2008, at 9:46 AM, Gleb Natapov wrote:
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?
I think that's the larger open question: should we move the OMPI repo
to a different technology (such as git or hg)? Right now that git
repo is *not* being updated.
My $0.02 is that I'd rather address the larger question first. If we
want to setup read-only gateways to other SCMs, I think it would be
simplest to do it after the [potential] conversion to a new SCM.
Otherwise, we'll potentially multiple the setup-the-gateway work (once
for SVN, once for something else).
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.
Same with Mercurial. Note that we put a .placeholder file in there
recently (on the trunk).
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.
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