Hi,
I just learned (via http://http://git.madduck.net ) about git's insteadOf
config (man git-config , search "insteadOf") and did:
export COMMON=my.server.org:git/vcsh/
git config --global url.${COMMON}.insteadOf vcsh://
and changed in each vcsh repo the remote url to vcsh://$VCSHREPONAME
Regards,
Thomas Koch, http://www.koch.ro