You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: inline.rb
    path of file: ./repos/truffleruby/lib/mri/bundler
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

# Allows for declaring a Gemfile inline in a ruby script, optionally installing
# any gems that aren't already installed on the user's system.
#
# @note Every gem that is specified in this 'Gemfile' will be `require`d, as if
#       the user had manually called `Bundler.require`. To avoid a requested gem
#       being automatically req
    
def gemfile(install = false, options = {}, &gemfile)
  require_relative "../bundler"
  Bundler.reset!

  opts = options.dup
  ui = opts.delete(:ui) { Bundler::UI::Shell.new }
  ui.level = "silent" if opts.delete(:quiet) || !install
  Bundler.ui = ui
  raise ArgumentError, "Unknown options: #{opts.keys.join(", ")}" unless opts.empty?

  Bundler.with_unbundled_env do
    Bundler.instance_variable_set(:@bundle_path, Pathname.new(Gem.dir))
    Bundler::SharedHelpers.set_env "BUNDLE_GEMFILE", "Gemfile"

    Bundler::Plugin.gemfile_install(&gemfile) if Bundler.feature_flag.plugins?
    builder = Bundler::Dsl.new
    builder.instance_eval(&gemfile)
    builder.check_primary_source_safety

    Bundler.settings.temporary(:deployment => false, :frozen => false) do
      definition = builder.to_definition(nil, true)
      def definition.lock(*); end
      definition.validate_runtime!

      if install || definition.missing_specs?
        Bundler.settings.temporary(:inline => true, :no_install => false) do
          installer = Bundler::Installer.install(Bundler.root, definition, :system => true)
          installer.post_install_messages.each do |name, message|
            Bundler.ui.info "Post-install message from #{name}:\n#{message}"
          end
        end
      end

      runtime = Bundler::Runtime.new(nil, definition)
      runtime.setup.require
    end
  end

  if ENV["BUNDLE_GEMFILE"].nil?
    ENV["BUNDLE_GEMFILE"] = ""
  end