#!/bin/sh

# Lovingly adapted from Per Olofsson
# https://github.com/MagerValp/Scripted-Mac-Package-Creation/blob/master/scripts/postinstall

export PATH=/usr/bin:/bin:/usr/sbin:/sbin

# Execute preinstall actions if we're installing on a live system.
# This is useful for unloading launch daemons and agents.
if [ "$3" = "/" ]; then

    # Run preinstall actions for root.
    if launchctl print system/munki.app_usage_monitor > /dev/null 2>&1 ; then
        launchctl bootout system/munki.app_usage_monitor
    fi
    if launchctl print system/com.googlecode.munki.appusaged. > /dev/null 2>&1 ; then
        launchctl bootout system/com.googlecode.munki.appusaged
    fi

    # Run preinstall actions for all logged in users.
    for uid in $(ps -axo uid,args | grep "/[F]inder.app/" | awk '{print $1}'); do
        if launchctl print gui/"$uid"/com.googlecode.munki.app_usage_monitor > /dev/null 2>&1 ; then
            launchctl bootout gui/"$uid"/com.googlecode.munki.app_usage_monitor
        fi
    done

fi

exit 0