Apprise looks at your Ruby on Rails application and tried to figure out all the dependencies of the project and which ones are outdated.
Apprise currently looks for three types of dependencies.
Gems specified in the Gemfile
Git checkouts of plugins in vendor/plugins
Subversion checkout of plugins in vendor/plugins
Using Apprise as a Rails plugin
$ ./script/plugin install git://github.com/Fingertips/apprise.git $ rake deps:outdated
Using Apprise as a gem
$ gem install apprise --source http://gemcutter.org $ apprise /path/to/rails
Apprise is known to run on Ruby 1.8.7 and 1.9.2.