thoughtbot/guides — pull request #152 by jferris (2014-03-17 14:16:55+00:00)
Title: Guidelines: Add bundler binstubs to version control

* Make sure each member of a team has access to binstubs
* Syncronize what the stub uses (Bundler, Rails, or Spring)
* Allow just one project PATH entry

The rbenv wiki has an excellent guide on binstubs:

https://github.com/sstephenson/rbenv/wiki/Understanding-binstubs