MagicMirror/installers/raspberry.sh

#!/bin/bash
# This is an installer script for MagicMirror2. It works well enough
# that it can detect if you have Node installed, run a binary script
# and then download and run MagicMirror2.

echo -e "\e[0m"
echo '$$\      $$\                     $$\           $$\      $$\ $$\                                          $$$$$$\'
echo '$$$\    $$$ |                    \__|          $$$\    $$$ |\__|                                        $$  __$$\'
echo '$$$$\  $$$$ | $$$$$$\   $$$$$$\  $$\  $$$$$$$\ $$$$\  $$$$ |$$\  $$$$$$\   $$$$$$\   $$$$$$\   $$$$$$\  \__/  $$ |'
echo '$$\$$\$$ $$ | \____$$\ $$  __$$\ $$ |$$  _____|$$\$$\$$ $$ |$$ |$$  __$$\ $$  __$$\ $$  __$$\ $$  __$$\  $$$$$$  |'
echo '$$ \$$$  $$ | $$$$$$$ |$$ /  $$ |$$ |$$ /      $$ \$$$  $$ |$$ |$$ |  \__|$$ |  \__|$$ /  $$ |$$ |  \__|$$  ____/'
echo '$$ |\$  /$$ |$$  __$$ |$$ |  $$ |$$ |$$ |      $$ |\$  /$$ |$$ |$$ |      $$ |      $$ |  $$ |$$ |      $$ |'
echo '$$ | \_/ $$ |\$$$$$$$ |\$$$$$$$ |$$ |\$$$$$$$\ $$ | \_/ $$ |$$ |$$ |      $$ |      \$$$$$$  |$$ |      $$$$$$$$\'
echo '\__|     \__| \_______| \____$$ |\__| \_______|\__|     \__|\__|\__|      \__|       \______/ \__|      \________|'
echo '                       $$\   $$ |'
echo '                       \$$$$$$  |'
echo '                        \______/' 
echo -e "\e[0m"

doInstall=1
true=1
false=0
# Define the tested version of Node.js.
NODE_TESTED="v10.1.0"
NPM_TESTED="V6.0.0"
USER=`whoami`
PM2_FILE=pm2_MagicMirror.json
force_arch=
pm2setup=$false

trim() {
    local var="$*"
    # remove leading whitespace characters
    var="${var#"${var%%[![:space:]]*}"}"
    # remove trailing whitespace characters
    var="${var%"${var##*[![:space:]]}"}"   
    echo -n "$var"
}

mac=$(uname -s)
if [ $mac == 'Darwin' ]; then
  echo this is a mac | tee -a $logfile
	cmd=greadlink
else
	cmd=readlink
fi


# put the log where the script is located
logdir=$(dirname $($cmd -f "$0"))
# if the script was execute from the web
if [[ $logdir != *"MagicMirror/installers"* ]]; then
	# use the MagicMirror/installers folder, if setup
	if [ -d MagicMirror ]; then 
		cd ~/MagicMirror/installers >/dev/null
			logdir=$(pwd)
		cd - >/dev/null
	else
	  # use the users home folder if initial install
	  logdir=$HOME
	fi 
fi
logfile=$logdir/install.log
echo install log being saved to $logfile

# Determine which Pi is running.
date +"install starting  - %a %b %e %H:%M:%S %Z %Y" >>$logfile
ARM=$(uname -m) 
echo installing on $ARM processor system >>$logfile
echo the os is $(lsb_release -a) >> $logfile
# Check the Raspberry Pi version.
if [ "$ARM" != "armv7l" ]; then
  read -p "this appears not to be a Raspberry Pi 2 or 3, do you want to continue installation (y/N)?" choice 
	if [[ $choice =~ ^[Nn]$ ]]; then 
	  echo user stopped install on $ARM hardware  >>$logfile
		echo -e "\e[91mSorry, your Raspberry Pi is not supported."
		echo -e "\e[91mPlease run MagicMirror on a Raspberry Pi 2 or 3."
		echo -e "\e[91mIf this is a Pi Zero, you are in the same boat as the original Raspberry Pi. You must run in server only mode."
		exit;
	fi
	#if [ "$ARM" == "armv6l" ]; then
	#  echo forcing armv71 architecture for pi 0 >>$logfile
	#  force_arch=-'--arch=armv7l'
	# fi
fi
    
# Define helper methods.
function command_exists () { type "$1" &> /dev/null ;}
function verlte() {  [ "$1" = "`echo -e "$1\n$2" | sort -V | head -n1`" ];}
function verlt() { [ "$1" = "$2" ] && return 1 || verlte $1 $2 ;}

# Update before first apt-get
if [ $mac != 'Darwin' ]; then
	echo -e "\e[96mUpdating packages ...\e[90m" | tee -a $logfile
	upgrade=$false
	update=$(sudo apt-get update 2>&1)
	echo $update >> $logfile
	update_rc=$?
	if [ $update_rc -ne 0 ]; then 
	 echo -e "\e[91mUpdate failed, retrying installation ...\e[90m" | tee -a $logfile
	 if [ $(echo $update | grep "apt-secure" | wc -l) -eq 1 ]; then 
			update=$(sudo apt-get update --allow-releaseinfo-change 2>&1)
			update_rc=$?
			echo $update >> $logfile
			if [ $update_rc -ne 0 ]; then 
				echo "second apt-get update failed" $update | tee -a $logfile
				exit 1
			else
				echo "second apt-get update completed ok" >> $logfile
				upgrade=$true
			fi 
	 fi
	else  
		echo "apt-get update  completed ok" >> $logfile
		upgrade=$true
	fi
	if [ $upgrade -eq $true ]; then 
	   upgrade_result=$(sudo apt-get upgrade 2>&1) 
		 upgrade_rc=$?
		 echo apt upgrade result ="rc=$upgrade_rc $upgrade_result" >> $logfile
	fi 

	# Installing helper tools
	echo -e "\e[96mInstalling helper tools ...\e[90m" | tee -a $logfile
	sudo apt-get --assume-yes install curl wget git build-essential unzip || exit
fi

# Check if we need to install or upgrade Node.js.
echo -e "\e[96mCheck current Node installation ...\e[0m" | tee -a $logfile
NODE_INSTALL=false
if command_exists node; then
	echo -e "\e[0mNode currently installed. Checking version number." | tee -a $logfile
	NODE_CURRENT=$(node -v)
	if [ "$NODE_CURRENT." == "." ]; then
	   NODE_CURRENT="V1.0.0"
		 echo forcing low Node version  >> $logfile
	fi
	echo -e "\e[0mMinimum Node version: \e[1m$NODE_TESTED\e[0m" | tee -a $logfile
	echo -e "\e[0mInstalled Node version: \e[1m$NODE_CURRENT\e[0m" | tee -a $logfile
	if verlte $NODE_CURRENT $NODE_TESTED; then
		echo -e "\e[96mNode should be upgraded.\e[0m" | tee -a $logfile
		NODE_INSTALL=true

		# Check if a node process is currenlty running.
		# If so abort installation.
		if pgrep "node" > /dev/null; then
			echo -e "\e[91mA Node process is currently running. Can't upgrade." | tee -a $logfile
			echo "Please quit all Node processes and restart the installer." | tee -a $logfile
			echo $(ps -ef | grep node | grep -v \-\-color) | tee -a $logfile
			exit;
		fi

	else
		echo -e "\e[92mNo Node.js upgrade necessary.\e[0m" | tee -a $logfile
	fi

else
	echo -e "\e[93mNode.js is not installed.\e[0m" | tee -a $logfile
	NODE_INSTALL=true
fi
# Install or upgrade node if necessary.
if $NODE_INSTALL; then
	
	echo -e "\e[96mInstalling Node.js ...\e[90m" | tee -a $logfile

	# Fetch the latest version of Node.js from the selected branch
	# The NODE_STABLE_BRANCH variable will need to be manually adjusted when a new branch is released. (e.g. 7.x)
	# Only tested (stable) versions are recommended as newer versions could break MagicMirror.
	if [ $mac == 'Darwin' ]; then
	  brew install node
	else	
		NODE_STABLE_BRANCH="10.x"	
		# sudo apt-get install --only-upgrade libstdc++6
		node_info=$(curl -sL https://deb.nodesource.com/setup_$NODE_STABLE_BRANCH | sudo -E bash - )
		echo Node release info = $node_info >> $logfile
		if [ "$(echo $node_info | grep "not currently supported")." == "." ]; then
			sudo apt-get install -y nodejs
		else
			echo node $NODE_STABLE_BRANCH version installer not available, doing manually >>$logfile
			# no longer supported install
			sudo apt-get install -y --only-upgrade libstdc++6 >> $logfile
			# have to do it manually
			node_vnum=$(echo $NODE_STABLE_BRANCH | awk -F. '{print $1}')
			# get the highest release number in the stable branch line for this processor architecture
			node_ver=$(curl -sL https://unofficial-builds.nodejs.org/download/release/index.tab | grep $ARM | grep -m 1 v$node_vnum | awk '{print $1}')
			echo latest release in the $NODE_STABLE_BRANCH family for $ARM is $node_ver >> $logfile
			curl -sL https://unofficial-builds.nodejs.org/download/release/$node_ver/node-$node_ver-linux-$ARM.tar.gz >node_release-$node_ver.tar.gz
			cd /usr/local
			echo using release tar file = node_release-$node_ver.tar.gz >> $logfile
			sudo tar --strip-components 1 -xzf  $HOME/node_release-$node_ver.tar.gz
			cd - >/dev/null
			rm ./node_release-$node_ver.tar.gz 	
		fi 
		# get the new node version number
		new_ver=$(node -v 2>&1)
		# if there is a failure to get it due to a missing library
		if [ $(echo $new_ver | grep "not found" | wc -l) -ne 0 ]; then 
		  #
			sudo apt-get install -y --only-upgrade libstdc++6 >> $logfile	
		fi 
		echo node version is $(node -v 2>&1 >>$logfile)				
	fi 
	echo -e "\e[92mNode.js installation Done! version=$(node -v)\e[0m" | tee -a $logfile
fi
# Check if we need to install or upgrade npm.
echo -e "\e[96mCheck current NPM installation ...\e[0m" | tee -a $logfile
NPM_INSTALL=false
if command_exists npm; then
	echo -e "\e[0mNPM currently installed. Checking version number." | tee -a $logfile
	NPM_CURRENT='V'$(npm -v)
	echo -e "\e[0mMinimum npm version: \e[1m$NPM_TESTED\e[0m" | tee -a $logfile
	echo -e "\e[0mInstalled npm version: \e[1m$NPM_CURRENT\e[0m" | tee -a $logfile
	if verlte $NPM_CURRENT $NPM_TESTED; then
		echo -e "\e[96mnpm should be upgraded.\e[0m" | tee -a $logfile
		NPM_INSTALL=true

		# Check if a node process is currently running.
		# If so abort installation.
		if pgrep "npm" > /dev/null; then
			echo -e "\e[91mA npm process is currently running. Can't upgrade." | tee -a $logfile
			echo "Please quit all npm processes and restart the installer." | tee -a $logfile
			exit;
		fi

	else
		echo -e "\e[92mNo npm upgrade necessary.\e[0m" | tee -a $logfile
	fi

else
	echo -e "\e[93mnpm is not installed.\e[0m" | tee -a $logfile
	NPM_INSTALL=true
fi

# Install or upgrade node if necessary.
if $NPM_INSTALL; then
	
	echo -e "\e[96mInstalling npm ...\e[90m" | tee -a $logfile

	# Fetch the latest version of npm from the selected branch
	# The NODE_STABLE_BRANCH variable will need to be manually adjusted when a new branch is released. (e.g. 7.x)
	# Only tested (stable) versions are recommended as newer versions could break MagicMirror.
	
	#NODE_STABLE_BRANCH="9.x"
	#curl -sL https://deb.nodesource.com/setup_$NODE_STABLE_BRANCH | sudo -E bash -
  #
	# if this is a mac, npm was installed with node
	if [ $mac != 'Darwin' ]; then
		sudo apt-get install -y npm >>$logfile
	fi 
	# update to the latest.
	echo upgrading npm to latest >> $logfile
	sudo npm i -g npm  >>$logfile
	echo -e "\e[92mnpm installation Done! version=V$(npm -v)\e[0m" | tee -a $logfile
fi

# Install MagicMirror
cd ~
if [ $doInstall == 1 ]; then 
	if [ -d "$HOME/MagicMirror" ] ; then
		echo -e "\e[93mIt seems like MagicMirror is already installed." | tee -a $logfile
		echo -e "To prevent overwriting, the installer will be aborted." | tee -a $logfile
		echo -e "Please rename the \e[1m~/MagicMirror\e[0m\e[93m folder and try again.\e[0m" | tee -a $logfile
		echo ""
		echo -e "If you want to upgrade your installation run \e[1m\e[97mupgrade-script\e[0m from the ~/MagicMirror/installers directory." | tee -a $logfile
		echo ""
		exit;
	fi

	echo -e "\e[96mCloning MagicMirror ...\e[90m" | tee -a $logfile
	if git clone --depth=1 https://github.com/MichMich/MagicMirror.git; then 
		echo -e "\e[92mCloning MagicMirror Done!\e[0m" | tee -a $logfile
	else 
		echo -e "\e[91mUnable to clone MagicMirror." | tee -a $logfile
		exit;
	fi

	cd ~/MagicMirror  || exit
	if [ $(grep version package.json | awk -F: '{print $2}') == '"2.9.0",' -a $ARM == 'armv6l' ]; then
	  git fetch https://github.com/MichMich/MagicMirror.git develop >/dev/null 2>&1
		git branch develop FETCH_HEAD > /dev/null 2>&1
		git checkout develop > /dev/null 2>&1
	fi
	echo -e "\e[96mInstalling dependencies ...\e[90m" | tee -a $logfile
	if npm install $force_arch; then 
		echo -e "\e[92mDependencies installation Done!\e[0m" | tee -a $logfile
	else
		echo -e "\e[91mUnable to install dependencies!" | tee -a $logfile
		exit;
	fi

	# Use sample config for start MagicMirror
	echo setting up initial config.js | tee -a $logfile
	cp config/config.js.sample config/config.js
fi
# Check if plymouth is installed (default with PIXEL desktop environment), then install custom splashscreen.
echo -e "\e[96mCheck plymouth installation ...\e[0m" | tee -a $logfile
if command_exists plymouth; then
	THEME_DIR="/usr/share/plymouth/themes"
	echo -e "\e[90mSplashscreen: Checking themes directory.\e[0m" | tee -a $logfile
	if [ -d $THEME_DIR ]; then
		echo -e "\e[90mSplashscreen: Create theme directory if not exists.\e[0m" | tee -a $logfile
		if [ ! -d $THEME_DIR/MagicMirror ]; then
			sudo mkdir $THEME_DIR/MagicMirror
		fi

		if sudo cp ~/MagicMirror/splashscreen/splash.png $THEME_DIR/MagicMirror/splash.png && sudo cp ~/MagicMirror/splashscreen/MagicMirror.plymouth $THEME_DIR/MagicMirror/MagicMirror.plymouth && sudo cp ~/MagicMirror/splashscreen/MagicMirror.script $THEME_DIR/MagicMirror/MagicMirror.script; then
			echo 
			if [ "$(which plymouth-set-default-theme)." != "." ]; then 
				if sudo plymouth-set-default-theme -R MagicMirror; then
					echo -e "\e[92mSplashscreen: Changed theme to MagicMirror successfully.\e[0m" | tee -a $logfile
				else
					echo -e "\e[91mSplashscreen: Couldn't change theme to MagicMirror!\e[0m" | tee -a $logfile
				fi
			fi
		else
			echo -e "\e[91mSplashscreen: Copying theme failed!\e[0m" | tee -a $logfile
		fi
	else
		echo -e "\e[91mSplashscreen: Themes folder doesn't exist!\e[0m" | tee -a $logfile
	fi
else
	echo -e "\e[93mplymouth is not installed.\e[0m" | tee -a $logfile
fi

# Use pm2 control like a service MagicMirror
read -p "Do you want use pm2 for auto starting of your MagicMirror (y/N)?" choice
if [[ $choice =~ ^[Yy]$ ]]; then
      echo install and setup pm2 | tee -a $logfile
 			# assume pm2 will be found on the path
			pm2cmd=pm2		
			# check to see if already installed
			pm2_installed=$(which $pm2cmd)
			up=""
			if [ $mac == 'Darwin' ]; then 
				 up="--unsafe-perm"
				 launchctl=launchctl
				 launchctl_path=$(which $launchctl)
				 `export PATH=$PATH:${launchctl_path%/$launchctl}`
			fi			
			# check to see if already installed
			pm2_installed=$(which $pm2cmd)
			if [  "$pm2_installed." != "." ]; then
			    # does it work?
					pm2_fails=$(pm2 list | grep -i -m 1 "App Name" | wc -l )
					if [ $pm2_fails != 1 ]; then
					   # uninstall it
						 echo pm2 installed, but does not work, uninstalling >> $logfile
					   sudo npm uninstall $up -g pm2 >> $logfile
						 # force reinstall
				     pm2_installed=
					fi
			fi			
			# if not installed
			if [  "$pm2_installed." == "." ]; then 
				# install it. 			
				echo pm2 not installed, installing >>$logfile	
				result=$(sudo npm install $up -g pm2 2>&1)
				echo pm2 install result $result >>$logfile
				# if this is a mac
				if [ $mac == 'Darwin' ]; then 
					echo this is a mac, fixup for path >>$logfile
					# get the location of pm2 install
					# parse the npm install output to get the command
					pm2cmd=`echo $result | awk -F -  '{print $1}' | tr -d '[:space:]'`
					c='/pm2'		
					# get the path only
					echo ${pm2cmd%$c} >installers/pm2path				
				fi	
			fi
			echo get the pm2 platform specific startup command >>$logfile
			# get the platform specific pm2 startup command
			v=$($pm2cmd startup | tail -n 1)
			if [ $mac != 'Darwin' ]; then
				# check to see if we can get the OS package name (Ubuntu)
				if [ $(which lsb_release| wc -l) >0 ]; then 
					# fix command
					# if ubuntu 18.04, pm2 startup gets something wrong				
					if [ $(lsb_release  -r | grep -m1 18.04 | wc -l) > 0 ]; then
						 v=$(echo $v | sed 's/\/bin/\/bin:\/bin/')
					fi 
				fi
			fi
			echo startup command = $v >>$logfile
			# execute the command returned				
		  $v 2>&1 >>$logfile
			echo pm2 startup command done >>$logfile
			# is this is mac 
			# need to fix pm2 startup, only on catalina
			if [ $mac == 'Darwin' ];then 
        if [ $(sw_vers -productVersion | head -c 6) == '10.15.' ]; then
					# only do if the faulty tag is present (pm2 may fix this, before the script is fixed)
					if [ $(grep -m 1 UserName /Users/$USER/Library/LaunchAgents/pm2.$USER.plist | wc -l) -eq 1 ]; then 
						# copy the pm2 startup file config
						cp  /Users/$USER/Library/LaunchAgents/pm2.$USER.plist .
						# edit out the UserName key/value strings
						sed -e '/UserName/{N;d;}' pm2.$USER.plist > pm2.$USER.plist.new
						# copy the file back 
						sudo cp pm2.$USER.plist.new /Users/$USER/Library/LaunchAgents/pm2.$USER.plist
					fi 
				fi
			fi 
		# if the user is no pi, we have to fixup the pm2 json file 
		echo configure the pm2 config file for MagicMirror >>$logfile
		if [ "$USER"  != "pi" ]; then 
			echo the user is not pi >>$logfile
			# go to the installers folder`
			cd installers
			# edit the startup script for the right user		
			echo change mm.sh >>$logfile
			 if [ ! -e mm_temp.sh ]; then
			   echo save copy of mm.sh >> $logfile
			   cp mm.sh mm_temp.sh
			 fi 
			 if [ $(grep pi mm_temp.sh | wc -l) -gt 0 ]; then
			  echo change hard coded pi username  >> $logfile
				sed 's/pi/'$USER'/g' mm_temp.sh >mm.sh
			 else
			  echo change relative home path to hard coded path >> $logfile
			  hf=$(echo $HOME |sed 's/\//\\\//g')
			  sed 's/\~/'$hf'/g' mm_temp.sh >mm.sh
			 fi			
			# edit the pms config file for the right user
			echo change $PM2_FILE >>$logfile
			sed 's/pi/'$USER'/g' $PM2_FILE > pm2_MagicMirror_new.json
			# make sure to use the updated file
			PM2_FILE=pm2_MagicMirror_new.json
			# if this is a mac
			if [ $mac == 'Darwin' ]; then 
				 # copy the path file to the system paths list
				 sudo cp ./pm2path /etc/paths.d
				 # change the name of the home path for mac
				 sed 's/home/Users/g' $PM2_FILE > pm2_MagicMirror_new1.json
				 # make sure to use the updated file
				 PM2_FILE=pm2_MagicMirror_new1.json
			fi
			echo now using this config file $PM2_FILE >>$logfile
			# go back one cd level
			cd - >/dev/null
		fi
		echo start MagicMirror via pm2 now >>$logfile
		# tell pm2 to start the app defined in the config file
		$pm2cmd start $HOME/MagicMirror/installers/$PM2_FILE  
		# tell pm2 to save that configuration, for start at boot
		echo save MagicMirror pm2 config now  >>$logfile
		$pm2cmd save
		pm2setup=$true
fi
# Disable Screensaver
choice=n
read -p "Do you want to disable the screen saver? (y/N)?" choice
if [[ $choice =~ ^[Yy]$ ]]; then
  # if this is a mac
	if [ $mac == 'Darwin' ]; then 
	  # get the current setting
	  setting=$(defaults -currentHost read com.apple.screensaver idleTime)
		# if its on
		if [ $setting != 0 ] ; then 
		  # turn it off
			echo disable screensaver via mac profile >> $logfile 
			defaults -currentHost write com.apple.screensaver idleTime 0
		else
			echo mac profile screen saver already disabled >> $logfile 
		fi
	else
	  # find out if some screen saver running
		
		# get just the running processes and args
		# just want the program name (1st token)
		# find the 1st with 'saver' in it (should only be one)
		# parse with path char, get the last field ( the actual pgm name)
		
	  screen_saver_running=$(ps -A -o args | awk '{print $1}' | grep -m1 [s]aver | awk -F\/ '{print $NF}');				
		
		# if we found something		
		if [ "$screen_saver_running." != "." ]; then
		  # some screensaver running
			case "$screen_saver_running" in 
			 mate-screensaver) echo 'mate screen saver' >>$logfile
			   #killall mate-screensaver >/dev/null 2>&1
			   #$ms -d >/dev/null 2>&1
						gsettings set org.mate.screensaver lock-enabled false	 2>/dev/null		
						gsettings set org.mate.screensaver idle-activation-enabled false	 2>/dev/null
						gsettings set org.mate.screensaver lock_delay 0	 2>/dev/null
				 echo " $screen_saver_running disabled" >> $logfile				 
				 DISPLAY=:0  mate-screensaver  >/dev/null 2>&1 &
				 ;;
			 gnome-screensaver) echo 'gnome screen saver' >>$logfile
			   gnome_screensaver-command -d >/dev/null 2>&1
				 echo " $screen_saver_running disabled" >> $logfile
			   ;;			 
			 xscreensaver) echo 'xscreensaver running' | tee -a $logfile
				 if [ $(grep -m1 'mode:' ~/.xscreensaver | awk '{print $2}') != 'off' ]; then 
					 sed -i 's/$xsetting/mode: off/' ~/.xscreensaver
					 echo " xscreensaver set to off" >> $logfile
				 else
				   echo " xscreensaver already disabled" >> $logfile
				 fi 
			   ;;
			 gsd-screensaver | gsd-screensaver-proxy)
					setting=$(gsettings get org.gnome.desktop.screensaver lock-enabled)
					setting1=$(gsettings get org.gnome.desktop.session idle-delay)			 
					if [ "$setting $setting1" != 'false uint32 0' ]; then  
						echo disable screensaver via gsettings was $setting and $setting1>> $logfile
						gsettings set org.gnome.desktop.screensaver lock-enabled false		
						gsettings set org.gnome.desktop.screensaver idle-activation-enabled false	
						gsettings set org.gnome.desktop.session idle-delay 0
					else
						echo gsettings screen saver already disabled >> $logfile
					fi
					;;				 
			 *) echo "some other screensaver $screen_saver_running" found | tee -a $logfile
			    echo "please configure it manually" | tee -a $logfile
			   ;;
		  esac		
		elif [ -d "/etc/xdg/lxsession" ]; then
		  currently_set=$(grep -m1 '\-dpms' /etc/xdg/lxsession/LXDE-pi/autostart)
			if [ "$currently_set." == "." ]; then 
				echo disable screensaver via lxsession >> $logfile 
				# turn it off for the future
				sudo su -c "echo -e '@xset s noblank\n@xset s off\n@xset -dpms' >> /etc/xdg/lxsession/LXDE-pi/autostart"
				# turn it off now
				export DISPLAY=:0; xset s noblank;xset s off;xset -dpms
			else
			  echo lxsession screen saver already disabled >> $logfile
			fi 
		elif [ $(which gsettings | wc -l) == 1 ]; then			
			setting=$(gsettings get org.gnome.desktop.screensaver lock-enabled)
			setting1=$(gsettings get org.gnome.desktop.session idle-delay)			 
			if [ "$setting $setting1" != 'false uint32 0' ]; then 
			  echo disable screensaver via gsettings was $setting and $setting1>> $logfile
				gsettings set org.gnome.desktop.screensaver lock-enabled false	
				gsettings set org.gnome.desktop.screensaver idle-activation-enabled false	
				gsettings set org.gnome.desktop.session idle-delay 0
			else
			  echo gsettings screen saver already disabled >> $logfile
			fi
		elif [ -e "/etc/lightdm/lightdm.conf" ]; then 		  
		  # if screen saver NOT already disabled?
			if [ $(grep 'xserver-command=X -s 0 -dpms' /etc/lightdm/lightdm.conf | wc -l) == 0 ]; then 
			  echo install screensaver via lightdm.conf >> $logfile 
				sudo sed -i '/^\[Seat:\*\]/a xserver-command=X -s 0 -dpms' /etc/lightdm/lightdm.conf 
			else 
			  echo screensaver via lightdm already disabled >> $logfile 
			fi 
		else
			echo " "
			echo -e "unable to disable screen saver, /etc/xdg/lxsession does not exist" | tee -a $logfile			
		fi
	fi
fi 
echo " "
if [ $pm2setup -eq $true ]; then
	rmessage="pm2 start MagicMirror"
else
  rmessage="DISPLAY=:0 npm start"
fi
echo -e "\e[92mWe're ready! Run \e[1m\e[97m$rmessage\e[0m\e[92m from the ~/MagicMirror directory to start your MagicMirror.\e[0m" | tee -a $logfile

echo " "
echo " "

date +"install completed - %a %b %e %H:%M:%S %Z %Y" >>$logfile