Shared projects with svn:externals.

I have a number of related Subversion projects that use the same
sub-project via svn:externals, like this:

  ProjectA/
           svn:externals grabs SharedProject

  ProjectB/
           svn:externals grabs SharedProject

Both ProjectA and ProjectB are standalone projects. Sometimes they
use the same revision of SharedProject, sometimes they don't.

I also have a "MasterProject" which uses both ProjectA and ProjectB
via svn:externals, like this:

  MasterProject/
                svn:externals grabs ProjectA and ProjectB

When I "svn co" MasterProject, it gets a copy of ProjectA, which
contains SharedProject, and it also gets a copy of ProjectB, which
also contains SharedProject.

Naive question: Is there some way to not end up with multiple copies
of SharedProject in the MasterProject tree?

Perhaps MasterProject could have SharedProject in its svn:externals,
and when ProjectA and ProjectB are checked out from within MasterProject,
Subversion would see that MasterProject/SharedProject already exists,
and would not checkout ProjectA/SharedProject or ProjectB/SharedProject.

With that scheme, checkout order for svn:externals might matter,
which could get ugly and annoying to manage.

Of course, if ProjectA and ProjectB use different versions of SharedProject,
it becomes an even bigger problem.

Does anyone have a development universe that looks like this? How do you
manage the projects?

Thanks,

-svec

                
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Received on Sat Jul 10 17:55:58 2004