# File lib/rubygems/remote_installer.rb, line 164
    def install_dependencies(dependencies, force, install_dir)
      return if @options[:ignore_dependencies]
      installed_gems = []
      dependencies.each do |dep|
        if @options[:include_dependencies] ||
           ask_yes_no("Install required dependency #{dep.name}?", true)
          remote_installer = RemoteInstaller.new @options
          installed_gems << remote_installer.install(dep.name,
                                                     dep.version_requirements,
                                                     force, install_dir)
        elsif force then
          # ignore
        else
          raise DependencyError, "Required dependency #{dep.name} not installed"
        end
      end
      installed_gems
    end