#!/bin/bash

LOGGER="/usr/bin/logger"

# Determine working directory
install_dir=`dirname $0`

# Uninstall existing copy of Sophos 8.x by checking for the
# Sophos Antivirus uninstaller package in /Library/Sophos Anti-Virus.
# If present, the uninstallation process is run.

if [ -d /Library/Sophos\ Anti-Virus/Remove\ Sophos\ Anti-Virus.pkg ]; then
        ${LOGGER} "Sophos AV present on Mac. Uninstalling before installing new copy."
        /usr/sbin/installer -pkg /Library/Sophos Anti-Virus/Remove\ Sophos\ Anti-Virus.pkg -target /
elif [ -d /Library/Application\ Support/Sophos Anti-Virus/Remove\ Sophos\ Anti-Virus.pkg ]; then
        ${LOGGER} "Sophos AV present on Mac. Uninstalling before installing new copy."
        /usr/sbin/installer -pkg /Library/Application\ Support/Sophos\ Anti-Virus/Remove\ Sophos\ Anti-Virus.pkg -target /
else
        ${LOGGER} "Sophos Anti-Virus 8.x Uninstaller Not Present"
fi

# Uninstall existing copy of Sophos 9.x by checking for the InstallationDeployer application
# in /Library/Application Support/Sophos/he/Installer.app/Contents/MacOS. If present, the
# uninstallation process is run.


# Uninstall SAV Home Edition if it exists
if [ -f /Library/Application\ Support/Sophos/he/Installer.app/Contents/MacOS/InstallationDeployer ]; then
        /Library/Application\ Support/Sophos/he/Installer.app/Contents/MacOS/InstallationDeployer --remove
${LOGGER} "Sophos AV Home Edition present on Mac. Uninstalling before installing new copy."
fi


# Uninstall the different SAV Stand alone versions if they exist
if [ -f /Library/Application\ Support/Sophos/opm-sa/Installer.app/Contents/MacOS/tools/InstallationDeployer ]; then
        /Library/Application\ Support/Sophos/opm-sa/Installer.app/Contents/MacOS/tools/InstallationDeployer --remove
${LOGGER} "Sophos AV Stand alone present on Mac. Uninstalling before installing new copy."
elif [ -f /Library/Application\ Support/Sophos/opm-sa-installer/Installer.app/Contents/MacOS/tools/InstallationDeployer ]; then
        /Library/Application\ Support/Sophos/opm-sa-installer/Installer.app/Contents/MacOS/tools/InstallationDeployer --remove
${LOGGER} "Sophos AV Stand alone present on Mac. Uninstalling before installing new copy."
fi


# Uninstall the SAV Enterprise version if it exists
if [ -f /Library/Application\ Support/Sophos/opm/Installer.app/Contents/MacOS/tools/InstallationDeployer ]; then
/Library/Application\ Support/Sophos/opm/Installer.app/Contents/MacOS/tools/InstallationDeployer --remove
${LOGGER} "Sophos AV present on Mac. Uninstalling before installing new copy."
fi


# Install Sophos Anti-Virus 9.x
if [ -e $install_dir/"Sophos Anti-Virus Home Edition.app/Contents/MacOS/InstallationDeployer" ]; then
        ${LOGGER} "Installing Sophos Anti-Virus Home Edition"
        $install_dir/"Sophos Anti-Virus Home Edition.app/Contents/MacOS/InstallationDeployer" --install
else
        if [ -e $install_dir/Sophos\ Installer.app/Contents/MacOS/InstallationDeployer ]; then
                ${LOGGER} "Installing Sophos Anti-Virus 9"
                $install_dir/Sophos\ Installer.app/Contents/MacOS/InstallationDeployer --install
        fi
fi

exit 0