#!/bin/sh

readonly PROGNAME=$(basename "$0")
readonly ARGS=$@

readonly VERBOSE=${VERBOSE:-"0"}
readonly QUIET=${QUIET:-"0"}

error() {
    >&2 echo "${PROGNAME}: $1"
    exit 1
}
debug() {
    if [ "${VERBOSE}" = "1" ] && [ "${QUIET}" != "1" ]; then
        >&2 echo "${PROGNAME}: $1"
    fi
}

if [ -n "$(pidof master)" ]; then
    if $($(command -v postconf) > /dev/null); then
        if $($(command -v postconf)|grep -E "^smtpd_tls_cert_file"|grep -q "letsencrypt"); then
            debug "Postfix detected... reloading"
            service postfix reload
        else
            debug "Postfix doesn't use Let's Encrypt certificate. Skip."
        fi
    else
        error "Postfix config is broken, you must fix it !"
    fi
else
    debug "Postfix is not running. Skip."
fi