unicorn

#!/bin/sh
set -u
set -e
# Example init script, this can be used with nginx, too,
# since nginx and unicorn accept the same signals

# Feel free to change any of the following variables for your app:
APP_ROOT=/home/deploy/public_html/rm/current
PID=$APP_ROOT/tmp/pids/unicorn.pid
ENV=production
UNICORN=/usr/local/bin/unicorn
CMD="$UNICORN -D -E $ENV -c config/unicorn.rb"

old_pid="$PID.oldbin"

cd $APP_ROOT || exit 1

sig () {
	test -s "$PID" && kill -$1 `cat $PID`
}

oldsig () {
	test -s $old_pid && kill -$1 `cat $old_pid`
}

case $1 in
start)
	sig 0 && echo >&2 "Already running" && exit 0
	$CMD
	;;
stop)
	sig QUIT && exit 0
	echo >&2 "Not running"
	;;
force-stop)
	sig TERM && exit 0
	echo >&2 "Not running"
	;;
restart|reload)
	sig HUP && echo reloaded OK && exit 0
	echo >&2 "Couldn't reload, starting '$CMD' instead"
	$CMD
	;;
upgrade)
	sig USR2 && exit 0
	echo >&2 "Couldn't upgrade, starting '$CMD' instead"
	$CMD
	;;
rotate)
        sig USR1 && echo rotated logs OK && exit 0
        echo >&2 "Couldn't rotate logs" && exit 1
        ;;
*)
	echo >&2 "Usage: $0 <start|stop|restart|upgrade|rotate|force-stop>"
	exit 1
	;;
esac