preinst

# determine whether this is an upgrade
if [ "$1" -eq "$1" ] 2>/dev/null ; then
    # integer, therefore rpm
    if [ $1 -gt 1 ] ; then
        PACKAGEUPGRADE="true"
    else
        PACKAGEUPGRADE="false"
    fi
else
    # string, therefore deb
    if [ "$1" = "upgrade" ] ; then
        PACKAGEUPGRADE="true"
    else
        PACKAGEUPGRADE="false"
    fi
fi

if [ "$PACKAGEUPGRADE" = "true" ] ; then
    if [ -f /etc/irods/service_account.config ] ; then
        # get service account information
        . /etc/irods/service_account.config 2> /dev/null
    else
        IRODS_SERVICE_ACCOUNT_NAME=`ls -ld /var/lib/irods | awk '{print $3}'`
    fi

    # Stop server to prevent db plugin / irods server mismatch
    HIDE_OUTPUT=`su - ${IRODS_SERVICE_ACCOUNT_NAME:?} -c "python3 -c 'from scripts.irods.controller import IrodsController; IrodsController().stop()'"`
    # Upgrade
    echo "Upgrading Existing iRODS Installation"
    UPGRADE_TEMP_FILE="/var/lib/irods/upgrade.tmp"
    touch $UPGRADE_TEMP_FILE
fi

if [ -f "/var/lib/irods/VERSION" ] ; then
    mv /var/lib/irods/VERSION /var/lib/irods/VERSION.previous
fi

if [ -f "/var/lib/irods/version.json" ] ; then
    mv /var/lib/irods/version.json /var/lib/irods/version.json.previous
fi

if [ -f "/var/lib/irods/VERSION.json" ] ; then
    cp /var/lib/irods/VERSION.json /var/lib/irods/VERSION.json.previous
    mv /var/lib/irods/VERSION.json /var/lib/irods/version.json.previous
fi