#! /bin/bash

DATABASE=${DATABASE:-/tmp/docker-mailserver/dovecot-quotas.cf}
USER_DATABASE=${USER_DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}

USER="$1"

usage() {
	echo "Usage: delquota <username@domain>"
}

errex() {
	echo "$@" 1>&2
	exit 1
}

escape() {
	echo "${1//./\\.}"
}

[ -z "$USER" ]  && { usage; errex "No username specified"; }
expr index "$USER" "@" >/dev/null || { usage; errex "username must include the domain"; }
if ! grep -qE "^$USER\|" "$USER_DATABASE"; then
  usage; errex "user $USER does not exist"
fi
[ -s "$DATABASE" ] || exit 0

sed -i -e "/^$USER:.*$/d" $DATABASE