PREIN

/bin/sh

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

if [ $1 = 2 ]; then
    # on upgrade, move data to new location if needed
    if [ ! -d /var/lib/munin/data ]; then
        cd /var/lib/munin
        mkdir data
        for i in *; do
            [ $i == plugin-state ] && continue
            [ $i == data ] && continue
            mv $i data
        done
    fi
fi

POSTUN

/bin/sh

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