RubyGems just updated to version 1.1.0. Couple of the major changes are “Index updates are much faster now” and “only updates from a latest index by default”. So, time to update.
As Leopard already has Ruby and RubyGems preinstalled (Thanks, Apple!). So the default update way:
$ sudo gem update –system
will NOT work well.
Here is what you should do on Leopard 10.5.2:
$ sudo gem install rubygems-update
$ sudo update_rubygems