update_cadabra is an update script for rvm(+rubygems & gems & full cleanup), rubygems (+ gems), macports (+ ports), homebrew(update & upgrade & cleanup), textmate bundles -- pain-free!
To install (the easy way):
gem install update_cadabra
To automagically update everything, run:
update_cadabra
To install (the hard way):
git clone git://github.com/plentz/update_cadabra.git
cd update_cadabra
chmod u+x bin/update_cadabra.sh
sudo ln -s "`pwd`/bin/update_cadabra.sh" /usr/local/bin/update_cadabra