#!/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/pre-setup-packages-menu
#
# Creation:     2012-02-24  hbfl
# Last Update:  $Id$
#
# Copyright (c) 2012-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

. /var/install/include/eislib

# set pidfile to block multiple
# instances from packages-menu running
PIDFILE="/var/lock/package_menu.pid"

if [ -f ${PIDFILE} ]
then
    pid=$(< ${PIDFILE})

    # get info, if running without info line,
    # like 'PID TTY          TIME CMD'
    _running=$(ps -p ${pid} -o comm=)
    if [ -z "${_running}" ]
    then
        rm ${PIDFILE}
    else
        case ${_running} in
        show-menu*) : ;;
        *)
           rm ${PIDFILE}
           ;;
        esac
    fi
fi

if [ ! -f ${PIDFILE} ]
then
    # PPID = Parent Process ID
    echo "${PPID}" > ${PIDFILE}
    echo
    # clean up 
    rm -f /tmp/index.txt
    rm -f /tmp/_do_all
    rm -f /tmp/_have_require
    rm -f /tmp/required_{libs,packages,dev_packages,static_packages}_found*

    # eisman
    rm -f /run/eisman-installed
#    eisman update
else
    echo
    mecho --warn "The package administration menu is currently used by another"
    mecho --warn "instance. Please exit this other instance to use package"
    mecho --warn "administration here."
    echo
    # musst by exit code 2
    # to handle in show-menu correct
    exit 2
fi
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------