#!/bin/sh
# prerm script for memgraph
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <prerm> `remove'
#        * <old-prerm> `upgrade' <new-version>
#        * <new-prerm> `failed-upgrade' <old-version>
#        * <conflictor's-prerm> `remove' `in-favour' <package> <new-version>
#        * <deconfigured's-prerm> `deconfigure' `in-favour'
#          <package-being-installed> <version> `removing'
#          <conflicting-package> <version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package

case "$1" in
    remove|upgrade|deconfigure|failed-upgrade)
        # Remove optional immutability from examples directory to allow removal
        chattr -i -R /usr/share/memgraph/examples || true
        if [ -d /run/systemd/system ]; then
            deb-systemd-invoke stop memgraph.service >/dev/null
        fi
    ;;

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

exit 0