module Bundler::SharedHelpers

def set_bundle_environment
  # Set PATH
  paths = (ENV["PATH"] || "").split(File::PATH_SEPARATOR)
  paths.unshift "#{Bundler.bundle_path}/bin"
  ENV["PATH"] = paths.uniq.join(File::PATH_SEPARATOR)
  # Set RUBYOPT
  rubyopt = [ENV["RUBYOPT"]].compact
  if rubyopt.empty? || rubyopt.first !~ /-rbundler\/setup/
    rubyopt.unshift %|-rbundler/setup|
    ENV["RUBYOPT"] = rubyopt.join(' ')
  end
  # Set RUBYLIB
  rubylib = (ENV["RUBYLIB"] || "").split(File::PATH_SEPARATOR)
  rubylib.unshift File.expand_path('../..', __FILE__)
  ENV["RUBYLIB"] = rubylib.uniq.join(File::PATH_SEPARATOR)
end