我试过这样的方式:
s.add_dependency 'gem', :path => '../gem'
喜欢添加gem gemfile,但它不起作用,并会导致此错误:
/Users/chenqh/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/requirement.rb:81:in `parse': Illformed requirement