#! /bin/sh
#----------------------------------------------------------------------------
# del-menu - delete menu
#
# Creation:     09.12.2001  ms
#               02.11.2003  fm complete rewrite
# Last Update:  $Id$
#
# Copyright (c) 2001-2002 Michell Schimanski <m.schimanski@tu-bs.de>
# Copyright (c) 2003      Frank Meyer <frank@eisfair.org>
#
# Usage:
#
# old style version (for non XML-menus)
# -------------------------------------
#
# del-menu shell-script menu-file
#
#          shell-script  absolute filename of a shell-script
#
#          menu-file     absolute filename of menu-file
#
#                        The line containing
#                          shell-script
#                        is removed from the menu-file if the line exists
#
# new style version (for XML-menus)
# ---------------------------------
#
# del-menu menu-file sub-menu-file
# del-menu menu-file script-file
#
#          menu-file      filename relativ to menupath /var/install/menu
#
#          sub-menu-file  filename relativ to menupath /var/install/menu
#
#                         The line containing
#                             <menu file="sub-menu-file">
#                         is removed from the menu-file if the line exists.
#
#          script-file    filename relativ to /var/install/bin or absolute path
#
#                         The line containing
#                             <script file="script-file">
#                         is removed from the menu-file if the line exists.
#
# 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.
#----------------------------------------------------------------------------

menu_path='/var/install/menu'

if [ -f "$menu_path/$1" ]
then

    # new syntax now matches add-menu
    menu_file=$1
    menu_cmd=$2

    # remove by command
    grep -vE "<(menu|script) file=\"$menu_cmd\">" $menu_path/$menu_file >/tmp/$menu_file.$$

    cp /tmp/$menu_file.$$ $menu_path/$menu_file     # don't mv, keep permissions
    rm -f /tmp/$menu_file.$$
    
else

    # old behavior
    menu_item=$1
    menu_file=$2

    # remove by path
    grep -v "^$menu_item " $menu_file > $menu_file.$$

    cp $menu_file.$$ $menu_file                           # don't mv, keep permissions
    rm -f $menu_file.$$
    
fi