A script to start unicorn at system boots

unicorn_init

#! /bin/sh
# File: /etc/init.d/unicorn
prog="unicorn"
PATH=/usr/local/rvm/gems/ruby-1.9.2-p290/bin:/usr/local/rvm/gems/ruby-1.9.2-p290@global/bin:/usr/local/rvm/rubies/ruby-1.9.2-p290/bin:/usr/local/rvm/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
DAEMON=`which unicorn_rails`
CONFIG_FILE=/var/www/magic/config/unicorn.rb
DAEMON_ARGS="$CONFIG_FILE"
APP_ROOT="/var/www/magic"
PID_FILE="$APP_ROOT/tmp/pids/unicorn.pid"

startcmd () {
        echo $"Starting $prog:"
        cd $APP_ROOT 2>/dev/null 1>&2
        $DAEMON -c $DAEMON_ARGS -E production -D
        cd - 2>/dev/null 1>&2
}
stopcmd () {
        echo $"Stopping $prog:"
        kill -QUIT `cat $PID_FILE`
}
case "$1" in
'start')
        startcmd
        ;;
'stop')
        stopcmd
        ;;
'restart')
        stopcmd
        sleep 1
        startcmd
        ;;
*)
        echo "Usage: $0 { start | stop | restart }" 
        exit 1
        ;;
esac