#!/bin/sh

cd $(dirname $0)/..
app_root=$(pwd)

unicorn_pidfile="$app_root/tmp/pids/unicorn.pid"
unicorn_config="$app_root/config/unicorn.rb"
unicorn_cmd="bundle exec unicorn_rails -c $unicorn_config -E $RAILS_ENV"

get_unicorn_pid()
{
  local pid=$(cat $unicorn_pidfile)
  if [ -z "$pid" ] ; then
    echo "Could not find a PID in $unicorn_pidfile"
    exit 1
  fi
  unicorn_pid=$pid
}

start()
{
  exec $unicorn_cmd -D
}

start_foreground()
{
  exec $unicorn_cmd
}

stop()
{
  get_unicorn_pid
  kill -QUIT $unicorn_pid
}

reload()
{
  get_unicorn_pid
  kill -USR2 $unicorn_pid
}

case "$1" in
  start)
    start
    ;;
  start_foreground)
    start_foreground
    ;;
  stop)
    stop
    ;;
  reload)
    reload
    ;;
  *)
    echo "Usage: RAILS_ENV=your_env $0 {start|stop|reload}"
    ;;
esac
