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Re: how do you do multiplatform vendor branches?

From: Kevin Brannen <kevin_brannen_at_stercomm.com>
Date: 2004-09-01 01:06:02 CEST

Max Bowsher wrote:
> Kevin Brannen wrote:
>
>> 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.
>>
...
>> 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.]
>
>
> You will need some sort of external script.
>
> The easiest way to do it might be to keep all the stuff in 1 repository,
> have a placeholder empty dir in the common code tree, and "svn switch"
> it to the appropriate platform directory.

Thanks, I'll go read up on svn switch.

You make it sound like all the platforms will be there in every working
dir if we use "switch". If that's so, I really don't want to go there!
  That would cause each machine to have a several extra GBs of "data" it
can't use; that penalty will not fly with others here. The external
script is doable and no worse than we have now.

Kevin

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Received on Wed Sep 1 01:06:20 2004

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