tor-parallel-relay-conn/contrib/osx/TorPreFlight

#!/bin/sh
# TorPreFlight is invoked before the install begins
TMPFILE=`mktemp /tmp/TorSavedMe.tgz.XXXXXXXXXXXXX` 

# Figure out where Tor is installed
if [ -f /Library/StartupItems/Tor/Tor.loc ]; then
	TORPATH=`cat /Library/StartupItems/Tor/Tor.loc`
else
	TORPATH="/Library/Tor/"
fi

if [ -f /Library/StartupItems/Privoxy/Privoxy.loc ]; then
	PRIVOXYPATH=`cat /Library/StartupItems/Privoxy/Privoxy.loc`
else
	PRIVOXYPATH="/Library/Privoxy/"
fi

# Backup all of Tor, just in case
if [ -d $TORPATH ]; then
	tar zcf ${TMPFILE} ${TORPATH}/var/lib/tor ${TORPATH}/torrc ${PRIVOXYPATH}/config ${PRIVOXYPATH}/user.action
fi

# Remove Tor and everything to do with it
if [ -f ${TORPATH}/uninstall_tor_bundle.sh ]; then
	${TORPATH}/uninstall_tor_bundle.sh
else
	$PACKAGE_PATH/Contents/Resources/uninstall_tor_bundle.sh
fi

# This is complete, we have a fresh system on which to install Tor