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#!/bin/dash
#
# pre-removal script for the Debian GNU/Linux ash package
#
# $Id: dash.prerm,v 1.2 2003/09/03 10:42:08 herbert Exp $

set -e

remove_divert() {
	diverter=$(dpkg-divert --listpackage $1)
	if [ "$diverter" = "dash" ]; then
		dpkg-divert --package dash --rename --remove $1
	fi
}

remove_shell() {
	if ! type remove-shell > /dev/null 2>&1; then
		return
	fi

	remove-shell /bin/dash
}

if [ "$1" = remove ] || [ "$1" = deconfigure ]; then
	remove_divert /bin/sh
	remove_divert /usr/share/man/man1/sh.1.gz
fi

if [ "$1" = remove ]; then
	remove_shell
fi