PREIN

/bin/sh

/usr/share/rpm-helper/add-user mpd $1 mpd /var/lib/mpd /bin/false 

usermod -g audio mpd

PREUN

/bin/sh

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

POSTIN

/bin/sh

/usr/bin/systemd-tmpfiles --create mpd.conf 

if [ $1 -eq 1 ]
then
/usr/share/rpm-helper/create-file mpd $1 /var/lib/mpd/mpd.db mpd audio 644 

/usr/share/rpm-helper/create-file mpd $1 /var/lib/mpd/mpdstate mpd audio 644 

/usr/share/rpm-helper/create-file mpd $1 /var/log/mpd/mpd.log mpd audio 644 

/usr/share/rpm-helper/create-file mpd $1 /var/log/mpd/mpd.error mpd audio 644 

fi
#echo If you want to run mpd as a service, please read
#echo /usr/share/doc/mpd-%{version}/README.MDK
/usr/share/rpm-helper/add-service mpd $1 mpd

POSTUN

/bin/sh

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