docker-mailserver/target/bin/delquota

#! /bin/bash

# shellcheck source=../bin-helper.sh
. /usr/local/bin/bin-helper.sh

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

USER="${1}"

function usage  {	echo "Usage: delquota <username@domain>" ; }

[[ -z ${USER} ]]  && { usage ; errex "No username specified" ; }
[[ "${USER}" =~ .*\@.* ]] || { 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}"