Init script for the gollum wiki engine

gollum-init

#!/bin/bash
GOLLUM_DIR='/home/git/docs.git'
GOLLUM_USER='gollum-data'
CURRENT_USER=$(whoami)
INVOCATION='gollum --mathjax --user-icons gravatar'
PID=${$}

as_user(){
21[[ ${GOLLUM_USER} != ${CURRENT_USER} ]] && su ${GOLLUM_USER} -c "$1"
	[[ ${GOLLUM_USER} == ${CURRENT_USER} ]] && bash -c "$1"
}

[[ ${GOLLUM_USER} != ${CURRENT_USER} && $(id -u) -gt 0 ]] && echo "Please run script as root or gollum user" && exit 1
[[ ${#*} -gt 1 || ${#*} -lt 0 ]] && echo "usage: ${0} [start|stop|status]" && exit 0

case $1 in
	start)
		[[ $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]] && echo "gollum is already running." && exit 0
		cd ${GOLLUM_DIR}
		as_user "nohup ${INVOCATION} >>~/gollum.log 2>&1 &"
		[[ ! $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]] && echo "gollum did not start." && exit 1
		echo "gollum started successfully."
	;;
	stop)
		[[ ! $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]] && echo "gollum is already stopped." && exit 0
		killall gollum
		sleep 1
		[[ ! $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]] && echo "gollum has stopped." && exit 0
		echo "Stopping gollum..."
		sleep 3
		if [[ $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]]
			then 
				echo "gollum has not stopped yet... waiting longer" && sleep 5
				[[ ! $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]] && echo "gollum has stopped." && exit 0
				echo "gollum did not stop." && exit 1
			else
				echo "gollum stopped successfully."; exit 0
		fi
	;;
	status)
		if  [[ $(ps -e | egrep -v "${$}" | egrep "\bgollum$") ]]
			then
				echo "gollum is running"
			else
				echo "gollum is not running"
		fi
	;;
	debug)
		result=$(ps -e | egrep  -v "${$}" | egrep "\bgollum$")
		echo $result
	;;
	*)
		echo "usage: ${0} [start|stop|status]"
	;;
esac