how to mirror cvs or svn with rsync

[b. f.]

>I need a mirror of FreeBSD sources.
>But the only one tool I can use for mirroring is rsync.

I'm not quite sure why this is so: I wonder if you have examined all
of your options, as others have written.  Anyway, if you want to use
rsync, have you tried any of the servers listed in:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/mirrors-rsync.html

?