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#!/bin/sh
#---------------------------------------------------------------
# Project         : Mandrake Linux
# Module          : rpm-helper
# File            : del-shell
# Version         : $Id$
# Author          : Thierry Vignaud
# Created On      : Tue Nov  5 13:52:20 2002
# Purpose         : helper script for rpm scriptlets to remove a
#		    shell from /etc/shells.
#---------------------------------------------------------------

if [ $# != 3 ]; then
	echo "usage: $0 <pkg name> <number installed> <shell name>" 1>&2
	exit 1
fi

pkg=$1				# name of the package
num=$2				# number of packages installed
shl=$3				# name of the shell

CFG_FILE=/etc/shells

# Create $CFG_FILE if needed
if [ ! -f $CFG_FILE ]; then
	> $CFG_FILE
	exit 0
fi

if [ "$num" = 0 ]; then
	if [ ! -x $shl ]; then
		grep -v "^$shl$" < $CFG_FILE > $CFG_FILE.new
		mv -f $CFG_FILE.new $CFG_FILE
	fi
fi 

exit 0