#!/bin/sh -e
#
# Debian pre install script
#
# Install of already installed package:
#	1) Upgrade of package:
#		new-preinst upgrade old-version
#		*) new-postrm abort-upgrade old-version
#	2) package had some configuration files from a previous version installed
#		new-preinst install old-version
#		*) new-postrm abort-install old-version
#	3) Otherwise (i.e., the package was completely purged)
#		new-preinst install
#		*) new-postrm abort-install
#
set -e;

PACKAGE=rmail;

case "$1" in
	install)
		# DPKG doesn't overwrite directories with symlinks...
		if [ -d /usr/share/doc/$PACKAGE ]; then
			rm -rf /usr/share/doc/$PACKAGE;
			fi;
		if [ ! -d /usr/share/doc/sendmail ]; then
			mkdir -p /usr/share/doc/sendmail;
			chmod a+rx /usr/share/doc/sendmail;
			fi;
		ln -sf sendmail /usr/share/doc/$PACKAGE;
		;;

	upgrade)
		# DPKG doesn't overwrite directories with symlinks...
		if [ -d /usr/share/doc/$PACKAGE ]; then
			rm -rf /usr/share/doc/$PACKAGE;
			fi;
		if [ ! -d /usr/share/doc/sendmail ]; then
			mkdir -p /usr/share/doc/sendmail;
			chmod a+rx /usr/share/doc/sendmail;
			fi;
		ln -sf sendmail /usr/share/doc/$PACKAGE;
		;;

	abort-upgrade)
		;;

	*)
		echo "$PACKAGE preinst called with unknown argument \`$1'" >&2;
		exit 1;
		;;
	esac;

#DEBHELPER#
exit 0;