#!/usr/bin/env bash
set -e

case "$1" in

  start)
  config="${CONFIG_RU:-test/benchmark/config.ru}"
  bundle exec ruby -Ilib -S rackup "$config" --daemonize --pid tmp/benchmark_app.pid --warn --server webrick
  until [ -f 'tmp/benchmark_app.pid' ]; do
    sleep 0.1 # give it time to start.. I don't know a better way
  done
  cat tmp/benchmark_app.pid
  true
  ;;

  stop)
  if [ -f 'tmp/benchmark_app.pid' ]; then
    kill -TERM $(cat tmp/benchmark_app.pid)
  else
    echo 'No pidfile'
    false
  fi
  ;;

  status)
  if [ -f 'tmp/benchmark_app.pid' ]; then
    kill -0 $(cat tmp/benchmark_app.pid)
    [ "$?" -eq 0 ]
  else
    echo 'No pidfile'
    false
  fi
  ;;

  *)
  echo "Usage: $0 [start|stop|status]"
  ;;

esac