class Bundler::SourceList

def add_rubygems_source(options = {}) 

def add_rubygems_source(options = {})
  new_source = Source::Rubygems.new(options)
  return @global_rubygems_source if @global_rubygems_source == new_source
  add_source_to_list new_source, @rubygems_sources
end