#!/bin/sh

set -e

. /usr/share/debconf/confmodule

# remove old link
# this was already present in 2017

if [ -L /etc/alternatives/sudo ]; then
	rm /etc/alternatives/sudo
fi

# remove legacy conffile no longer delivered
# this was added in 1.8.21p2-1 in 2017.

if [ -f /etc/sudoers.dist ]; then
        rm /etc/sudoers.dist 
fi

# complain if no sudoers file is present
if [ ! -f /etc/sudoers ];then
	echo "WARNING:  /etc/sudoers not present!";
fi

# make sure sudoers has the correct permissions and owner/group
if [ -f /etc/sudoers ];then
    chown root:root /etc/sudoers
    chmod 440 /etc/sudoers
fi

# create symlink to ease transition to new path for ldap config
# if old config file exists and new one doesn't
if [ -e /etc/ldap/ldap.conf -a ! -e /etc/sudo-ldap.conf ];then
	ln -s ldap/ldap.conf /etc/sudo-ldap.conf
fi

# if we've gotten this far .. remove the saved, unchanged old sudoers file
rm -f /etc/sudoers.pre-conffile

# before 1.8.7-1 sudo-ldap used /etc/init.d/sudo instead of /etc/init.d/sudo-ldap,
# let's make sure that's taken care of
if [ "$1" = "configure" ] && dpkg --compare-versions "$2" lt-nl "1.8.21p2-2~" ; then
	update-rc.d sudo remove
fi

# Between 1.8.3p2-1 and 1.19.11p3-1, sudo-ldap's postrm unconditionally
# removed the sudoers database from /etc/nsswitch.conf.
# This breaks the "upgrade" path of the code installed by dh_installnss,
# but it is handled properly its "install" path.
# If we detect that situation, we install a file to inform the dh_installnss
# code that it should run as if sudo-ldap were being installed from scratch,
# even though this is an upgrade.
if [ "$1" = "configure" ] &&
	dpkg --compare-versions "$2" gt "1.8.3p2-1" &&
	dpkg --compare-versions "$2" lt-nl "1.9.12p1-1~"
then
	touch /etc/nsswitch.conf.nss.sudo-ldap-will-install
fi

#DEBHELPER#