When i upgrade my one Mac to OS X 10.8 Preview ( Mountain Lion ) i got trobbel whit MacPorts, i send a mail to newslist and the problem are fixing pretty quick.
but i need to do follow before its work for me.
mv /opt /opt_bk
And follow this guide from MacPorts website. http://guide.macports.org/#installing.macports.subversion
REMEBER OS X 10.8 PREVIEW ITS ONLY FOR DEVELOPERING AND TESTING!!!! NOT PRODUCTION COMPUTERS AND THE SAME WHITE THIS TRUNK CHECKOUT OF MACPORTS



