ruby_string="ree"
gemset_name="johnny_cache"

if rvm list strings | grep -q "${ruby_string}" ; then

  rvm use "${ruby_string}@${gemset_name}" --create

  # Complain if bundler isn't installed
  if [[ -z "`gem which bundler 2>&1 | grep -v ERROR`" ]]; then
    echo "You need bundler:"
    echo ""
    echo "    gem install bundler"
    echo ""
  fi
else
  echo "${ruby_string} was not found, please run 'rvm install ${ruby_string}' and then cd back into the project directory."
fi