class Bundler::CLI

def show(gem_name = nil)
  if gem_name
    Bundler.ui.info locate_gem(gem_name)
  else
    environment = Bundler.load
    Bundler.ui.info "Gems included by the bundle:"
    environment.specs.sort_by { |s| s.name }.each do |s|
      Bundler.ui.info "  * #{s.name} (#{s.version})"
    end
  end
end