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how do you do multiplatform vendor branches?

From: Kevin Brannen <kevin_brannen_at_stercomm.com>
Date: 2004-08-31 21:06:55 CEST

We have a repository in CVS that I'm researching how to move to SVN.
Much of it is straight-forward, lot's of java and 3rd party jars. An
import and we're done.

However, there is also a directly (a CVS module) that is collection of
JVMs that we use for our code (different releases of our product use
different JVMs). So far, not hard. Until we consider that we also
support multiple platforms and that the JVMs are binary and platform
specific. I can't figure out how to handle that in SVN.

In CVS, we have a script that does a "uname -m", and based on that
value, does an "cvs co" of the correct module, so that dir gets added.

Reading the SVN book, vendor branches seem like what I want, but I can't
figure how to conditionally do that. So...

1. Is what I need to do possible in SVN? If yes, then can someone
explain it, or point me to the place in the book. (I've been jumping
around it in reading as necessary.)

2. Do I need to work outside of SVN like I do CVS and make it work with
script stuff? For example, have a "post-checkout" type hook (or wrap
checkout with a script) that creates a symlink at the proper place with
the code checkout to another checkout (of another repository) that
contains the JVMs? Meaning, I end up with N+1 repositories on the
server, where N is the number of platforms I support, do the checkout of
the proper JVM into /vendor/JDK, then do the checkout of our code, and
finally in the dir of our code do "ln -s /vendor/JDK JDK".
[Fortunately, we only have to support Unix machines in this, the
msWindows machines only mount the code with Samba.]

3. Give up and wait for SVN 1.2+. :-)

4. ???

Thanks,
Kevin

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Received on Tue Aug 31 21:07:24 2004

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