# File lib/bundler/gem_helper.rb, line 83
    def rubygem_push(path)
      if Pathname.new("~/.gem/credentials").expand_path.exist?
        sh("gem push '#{path}'")
        Bundler.ui.confirm "Pushed #{name} #{version} to rubygems.org"
      else
        raise "Your rubygems.org credentials aren't set. Run `gem push` to set them."
      end
    end