PREIN

/bin/sh

/usr/share/rpm-helper/add-user icecast $1 icecast /usr/share/icecast /bin/false

PREUN

/bin/sh

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

POSTIN

/bin/sh

/usr/bin/systemd-tmpfiles --create icecast.conf 
/usr/share/rpm-helper/add-service icecast $1 icecast

POSTUN

/bin/sh

/usr/share/rpm-helper/del-user icecast $1 icecast