opscode/chef — pull request #658 by tipt0e (2013-02-25 22:24:40+00:00)
Title:  Fix chef-client install to conform to rubygems 2.0 

In rubygems 2.0 rubygems::format has changed to rubygem::package as per http://blog.rubygems.org/2012/12/03/2.0.0-preview2.html. Using knife::bootstrap in a knife plugin will fail on starting chef-client because of this discrepancy.