PREIN

/bin/sh

getent group mosquitto >/dev/null || groupadd -r mosquitto
getent passwd mosquitto >/dev/null || \
    useradd -r -g mosquitto -d /etc/mosquitto -s /sbin/nologin \
    -c "Mosquitto Broker" mosquitto
exit 0

PREUN

/bin/sh

/usr/share/rpm-helper/del-service mosquitto $1 mosquitto

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service mosquitto $1 mosquitto

POSTUN

/bin/sh

/usr/share/rpm-helper/reread-services mosquitto