#!/bin/sh

kali_menu_version=$(dpkg-query -W -f'${Version}\n' kali-menu)
kali_menu_pidfile="/var/lock/kali-menu"

# Wait until update-kali-menu is over
if dpkg --compare-versions "$kali_menu_version" ge 2015.3.0; then
    # This version puts the PID in its lock file
    if [ -s $kali_menu_pidfile ]; then
	pid=$(cat $kali_menu_pidfile)
	while [ -n "$pid" ] && [ -e /proc/$pid ]; do
	    echo "Sleeping 10 seconds as update-kali-menu is still running (pid $pid)..."
	    sleep 10
	done
    fi
else
    # This version lacks PID info, we match on process name instead
    while pgrep -f update-kali-menu >/dev/null; do
	echo "Sleeping 10 seconds as update-kali-menu is still running..."
	sleep 10
    done
fi