PREIN

/bin/sh

# Create the firebird group if it doesn't exist
getent group firebird || /usr/sbin/groupadd -r firebird 
getent passwd firebird >/dev/null || /usr/sbin/useradd -d / -g firebird -s /bin/nologin -r firebird 

# Add gds_db to /etc/services if needed
FileName=/etc/services
newLine="gds_db 3050/tcp  # Firebird SQL Database Remote Protocol"
oldLine=`grep "^gds_db" $FileName`
if [ -z "$oldLine" ]; then
 echo $newLine >> $FileName
fi

POSTIN

/bin/sh

/sbin/ldconfig
/bin/systemd-tmpfiles --create  /etc/tmpfiles.d/firebird.conf

POSTUN

/bin/sh

/sbin/ldconfig