source: generatepress/1.3.03/sidebar-left.php

<?php
/**
 * The Sidebar containing the main widget areas.
 *
 * @package GeneratePress
 */
$generate_settings = wp_parse_args( 
        get_option( 'generate_settings', array() ), 
        generate_get_defaults() 
);

$navigation_active = false;

// If the navigation is set in the sidebar, set variable to true
if ( 'nav-left-sidebar' == $generate_settings['nav_position_setting'] )
        $navigation_active = true;

// If the secondary navigation is set in the sidebar, set variable to true
if ( function_exists( 'generate_secondary_nav_get_defaults' ) ) :
        $secondary_nav = wp_parse_args( 
                get_option( 'generate_secondary_nav_settings', array() ), 
                generate_secondary_nav_get_defaults() 
        );
        if ( 'secondary-nav-left-sidebar' == $secondary_nav['secondary_nav_position_setting'] )
                $navigation_active = true;
endif;
?>
        <div id="left-sidebar" itemtype="http://schema.org/WPSideBar" itemscope="itemscope" role="complementary" <?php generate_left_sidebar_class(); ?>>
                <div class="inside-left-sidebar">
                        <?php do_action( 'generate_before_left_sidebar_content' ); ?>
                        <?php if ( ! dynamic_sidebar( 'sidebar-2' ) ) : ?>

                                <?php if ( false == $navigation_active ) : ?>
                                        <aside id="search" class="widget widget_search">
                                                <?php get_search_form(); ?>
                                        </aside>

                                        <aside id="archives" class="widget">
                                                <h3 class="widget-title"><?php _e( 'Archives', 'generate' ); ?></h3>
                                                <ul>
                                                        <?php wp_get_archives( array( 'type' => 'monthly' ) ); ?>
                                                </ul>
                                        </aside>

                                        <aside id="meta" class="widget">
                                                <h3 class="widget-title"><?php _e( 'Meta', 'generate' ); ?></h3>
                                                <ul>
                                                        <?php wp_register(); ?>
                                                        <li><?php wp_loginout(); ?></li>
                                                        <?php wp_meta(); ?>
                                                </ul>
                                        </aside>
                                <?php endif; ?>

                        <?php endif; // end sidebar widget area ?>
                        <?php do_action( 'generate_after_left_sidebar_content' ); ?>
                </div><!-- .inside-left-sidebar -->
        </div><!-- #secondary -->