#!/bin/sh

set -e

remove_user() {
    USERNAME=$1

    if [ -x "$(command -v deluser)" ]; then
	grep $USERNAME > /dev/null /etc/passwd && deluser $USERNAME || true
    else
	echo >&2 "not deleting $USERNAME system account because deluser command was not found"
    fi
}

case "$1" in
    purge)
        remove_user 'keepalived_script'
        ;;
    remove|abort-install)
        remove_user 'keepalived_script'
        ;;
    upgrade|failed-upgrade|abort-upgrade|disappear)
        ;;
    *)
        echo "postrm called with unknown argument \`$1'" >&2
        exit 1
        ;;
    remove|abort-install)
        remove_user 'keepalived_script'
        ;;
    upgrade|failed-upgrade|abort-upgrade|disappear)
        ;;
    *)
        echo "postrm called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

exit 0