View source

After the final ralease, the version number may need some tweak...

 $ sudo gem install rails --source http://gems.rubyonrails.org --version 1.99.0
 Password:
 Bulk updating Gem source index for: http://gems.rubyonrails.org
 Install required dependency activesupport? [Yn]  Y
 Install required dependency activerecord? [Yn]  Y
 Install required dependency actionpack? [Yn]  Y
 Install required dependency actionmailer? [Yn]  Y
 Install required dependency activeresource? [Yn]  Y
 Successfully installed rails-1.99.0
 Successfully installed activesupport-1.99.0
 Successfully installed activerecord-1.99.0
 Successfully installed actionpack-1.99.0
 Successfully installed actionmailer-1.99.0
 Successfully installed activeresource-1.99.0
 Installing ri documentation for activesupport-1.99.0...
 Installing ri documentation for activerecord-1.99.0...
 Installing ri documentation for actionpack-1.99.0...
 Installing ri documentation for actionmailer-1.99.0...
 Installing ri documentation for activeresource-1.99.0...
 Installing RDoc documentation for activesupport-1.99.0...
 Installing RDoc documentation for activerecord-1.99.0...
 Installing RDoc documentation for actionpack-1.99.0...
 Installing RDoc documentation for actionmailer-1.99.0...
 Installing RDoc documentation for activeresource-1.99.0...
 $ fastri-server -b
 Building index.
 Indexed:
 * 7710 methods
 * 1364 classes/modules
 Needed 1.628137 seconds