-gemfile = File.expand_path('../../Gemfile', __FILE__)
-begin
- ENV['BUNDLE_GEMFILE'] = gemfile
- require 'bundler'
- Bundler.setup
-rescue Bundler::GemNotFound => e
- STDERR.puts e.message
- STDERR.puts "Try running `bundle install`."
- exit!
-end if File.exist?(gemfile)
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+
+require 'bundler/setup' if File.exists?(ENV['BUNDLE_GEMFILE'])