Putting multiple projects under svn

I have work scattered in a variety of cvs and rcs repositories. I was
initially thinking I could gradually merge these into svn. However, my
reading of the thread starting at
http://www.contactor.se/~dast/svnusers/archive-2004-02/0614.shtml is
that this operation is unsafe, because the dates of revisions must be in
the same sequence as the svn revision numbers.

Is that correct?

If so, I think I have the following options:
1) Put each project into a separate svn repository.
2) Merge all cvs and rcs projects together into a single cvs repository
tree (by stripping out just the ,v files from rcs). Then import the
whole tree. I'm not sure if putting "fake" stuff in the cvs respository
(i.e., other cvs trees and rcs "trees") is entirely safe. Then convert
the whole thing to svn.

I've started using svn on one system, and I think I've made changes to
some rcs projects after I made some svn changes. So I suppose there is
no way those two are ever going to get together.

I could also adopt a hybrid approach, in which certain clumps of work
end up in a single repository. The problem with that is it creates a
messy mental model of where to look for a particular project. I suppose
I could hide it to an extent through Apache rewrite rules.

Having a single repository would be my preferred route, but option 1)
above seems much less risky. I am not contemplating any hook scripts,
so the burden of having to maintain many of them is not such a concern.

Am I being too cautious?

Any other comemnts?

Thanks.

-- 
Ross Boylan                                      wk:  (415) 502-4031
530 Parnassus Avenue (Library) rm 115-4          ross@biostat.ucsf.edu
Dept of Epidemiology and Biostatistics           fax: (415) 476-9856
University of California, San Francisco
San Francisco, CA 94143-0840                     hm:  (415) 550-1062
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