fwiw, i've been able to get good results at migrating the plone
repository and branches using the refinecvs migration script
http://lev.serebryakov.spb.ru/refinecvs/
the cvs2svn script included with subversion had several issues with
branches, although it was a few months ago (prior to svn 1.0)
Jim Fulton wrote:
I propose to move from CVS to subversion for the Zope and ZODB projects;
http://dev.zope.org/Zope3/MovingSCMToSubversion
Initially, I propose to move just the repository heads. Maintenamce
branches (e.g. Zope 2.6 and Zope 2.7) will remain in CVS.
Finally ... :)
+1
Christian