More in depth:
liquibase-rails is a Rails compatible gem to allow Liquibase to be embedded well within a JRuby on Rails project. This gem was extracted from a production project (1.5m p/v day) that shares a schema between Java-based and Rails-based front ends.
Get the cutting edge at version at:
Currently compatible with Liquibase 1.9.1, should be fully compatible with 2.0 shortly.
Please see home page for up to date installation and usage instructions.
Ruby Gems are installed automatically. You can install liquibase-rails by running the following command:
gem install redbeard-liquibase-rails -s http://gems.github.com