#If shibOnly is enabled just go ahead and redirect directly

        if ( (($type eq 'opac') && C4::Context->preference('opacShibOnly')) || (($type ne 'opac') && C4::Context->preference('staffShibOnly')) ) {

            my $redirect_url = login_shib_url( $query );

            print $query->redirect($redirect_url);

            safe_exit;

        }

$DBversion = 'XXX';  # will be replaced by the RM

if( CheckVersion( $DBversion ) ) {

    $dbh->do( "INSERT IGNORE INTO systempreferences (variable,value,explanation,options,type) VALUES ('opacShibOnly','0','If ON enables shibboleth only authentication for the opac','','YesNo'),('staffShibOnly','0','If ON enables shibboleth only authentication for the staff client','','YesNo')" );

    SetVersion( $DBversion );

    print "Upgrade to $DBversion done (Bug XXXXX - shibOnly preferences)\n";

}

    Authentication:

        -

            - pref: opacShibOnly

              choices:

                  yes: "Don't allow"

                  no: Allow

            - patrons to login by means other than Shibboleth.