module Middleman

def setup_load_paths
  @_is_setup ||= begin
    # Only look for config.rb if MM_ROOT isn't set
    if !ENV["MM_ROOT"] && found_path = locate_root
      ENV["MM_ROOT"] = found_path
    end
    is_bundler_setup = false
    # If we've found the root, try to setup Bundler
    if ENV["MM_ROOT"]
      root_gemfile = File.expand_path('Gemfile', ENV["MM_ROOT"])
      ENV['BUNDLE_GEMFILE'] ||= root_gemfile
      if !File.exists?(ENV['BUNDLE_GEMFILE'])
        git_gemfile = Pathname.new(__FILE__).expand_path.parent.parent.parent + "Gemfile"
        ENV['BUNDLE_GEMFILE'] = git_gemfile.to_s
      end
      if File.exists?(ENV['BUNDLE_GEMFILE'])
        is_bundler_setup = true
        require 'bundler/setup'
      end
    end
    # Automatically discover extensions in RubyGems
    require "middleman-core/extensions"
    if is_bundler_setup
      Bundler.require
    else
      ::Middleman.load_extensions_in_path
    end
    true
  end
end