#!/bin/sh -e

#DEBHELPER#

abort_transfer_conffile () {
	CONFFILE="$1"
	if [ -e "$CONFFILE.moved-by-preinst" ]; then
		echo >&2 "Aborting ownership transfer of conffile $CONFFILE ..."
		mv -f "$CONFFILE.moved-by-preinst" "$CONFFILE"
		return 0
	fi
}

case $1 in
	abort-install|abort-upgrade)
		abort_transfer_conffile /etc/ssh/moduli
		abort_transfer_conffile /etc/ssh/ssh_config
		;;
	purge)
		# Remove all non-conffiles that ssh might create, so that we
		# can smoothly remove /etc/ssh if and only if the user
		# hasn't dropped some other files in there. Conffiles have
		# already been removed at this point.
		rm -f /etc/ssh/moduli /etc/ssh/primes
		rm -f /etc/ssh/ssh_known_hosts /etc/ssh/ssh_known_hosts2
		rmdir --ignore-fail-on-non-empty /etc/ssh

		if which delgroup; then
			delgroup --quiet ssh > /dev/null || true
		fi
		;;
esac

exit 0