How to get a specific “commit” of a gem from github?

Question

I\'m using rails_admin, and since it is in (very) active development, bugs turn up every now and then.

There are no versions for the gem as far as I can tell, for th

Answer 1

Any of these should work:

gem 'rails', :git => 'git://github.com/rails/rails.git', :ref => '4aded'

gem 'rails', :git => 'git://github.com/rails/rails.git', :branch => '2-3-stable'

gem 'rails', :git => 'git://github.com/rails/rails.git', :tag => 'v2.3.5'

Source: How to install gems from git repositories