#!/bin/bash
# portsUpdate installer Version 1.0.2
# https://github.com/seannyob/portsUpdate
# Sean O'Brien 12 Aug 2016
# sobrien@odu.edu
# Copyleft.
#
# You can run this installer by 
# chmod +x Install
# sudo ./Install

# Alternately you can run each command by hand.
# Please email suggestions and/or criticisms!

if [ $(whoami) != 'root' ]
then
	echo "You're not root, try 'sudo ./Install'"
	exit 0
else

if [ -e /opt/local/bin/port ]
then
	# We were testing for MacOSX git, but this one is just newer.
	# Tons of deps, but people should trust MacPorts anyway.
	echo 'ensuring you have git...'
	if [ ! -e /opt/local/bin/git ]
	then
		port install git 
	else
		echo 'good you already have git...'
	fi

	# technically, if they have this file they've probably already downlaaded our package,
	# but let's be sane & clone the master from gitHub in case they rerun the install
	# in six months or something.

	echo 'getting the scripts'
	git clone https://github.com/seannyob/portsUpdate /tmp/portsUpdate

	echo 'copying scripts to system folders & setting permissions...'

	#the update script
	cp /tmp/portsUpdate/portsUpdate /opt/local/bin/portsUpdate
	chmod 0755 /opt/local/bin/portsUpdate

	#the env variable
	cp /tmp/portsUpdate/setenv.PATH.plist /Library/LaunchDaemons/setenv.PATH.plist	
	chown root:wheel /Library/LaunchDaemons/setenv.PATH.plist
	chmod 0644 /Library/LaunchDaemons/setenv.PATH.plist
	launchctl load -w /Library/LaunchDaemons/setenv.PATH.plist

	#the plist for the update script 
	cp /tmp/portsUpdate/com.seannyob.portsUpdate.plist /Library/LaunchDaemons/com.seannyob.portsUpdate.plist
	chown root:wheel /Library/LaunchDaemons/com.seannyob.portsUpdate.plist
	chmod 0644 /Library/LaunchDaemons/com.seannyob.portsUpdate.plist

	echo 'registering scripts with launchd...'
	launchctl load -w /Library/LaunchDaemons/com.seannyob.portsUpdate.plist

	echo 'cleaning up...'
	rm -Rf /tmp/portsUpdate
	
	echo 'Done! MacPorts will update daily at 3:30 am.'
	echo 'You can check the results of the last run'
	echo 'by reading the files in /var/log/portsUpdate.'
	exit 0
else
 echo 'You need to install MacPorts.'
 echo 'Check it out at https://www.macports.org.'
fi
fi
exit 0