wrapper for rails -d functionality

rails-daemon-wrapper.sh

r() {
  if [ -z "$1" ]; then
    rails
    return
  fi

  case "$1" in
    start)
      shift
      rails s -d "$@"
      ;;
    stop)
      pid="$(cat tmp/pids/server.pid 2> /dev/null)"
      kill $pid &> /dev/null && echo "$pid killed" || echo "rails not started"
      ;;
    restart)
      shift
      r stop
      r start "$@"
      ;;
    *)
      rails "$@"
      ;;
  esac
}