adding auto updater

functions.php

@@ -52,3 +52,6 @@ require get_template_directory() . '/inc/jetpack.php';
 * Load custom WordPress nav walker.
 */
 require get_template_directory() . '/inc/bootstrap-wp-navwalker.php';
+
+require_once('inc/wp-updates-theme.php');
+new WPUpdatesThemeUpdater_1114( 'http://wp-updates.com/api/2/theme', basename( get_template_directory() ) );

inc/wp-updates-theme.php

@@ -0,0 +1,68 @@
+<?php
+/*
+WPUpdates Theme Updater Class
+http://wp-updates.com
+v2.0
+
+Example Usage:
+require_once('wp-updates-theme.php');
+new WPUpdatesThemeUpdater_1114( 'http://wp-updates.com/api/2/theme', basename(get_template_directory()) );
+*/
+
+if( !class_exists('WPUpdatesThemeUpdater_1114') ) {
+    class WPUpdatesThemeUpdater_1114 {
+    
+        var $api_url;
+    	var $theme_id = 1114;
+    	var $theme_slug;
+    	var $license_key;
+    
+        function __construct( $api_url, $theme_slug, $license_key = null ) {
+    		$this->api_url = $api_url;
+    		$this->theme_slug = $theme_slug;
+	        $this->license_key = $license_key;
+    
+    		add_filter( 'pre_set_site_transient_update_themes', array(&$this, 'check_for_update') );
+    		
+    		// This is for testing only!
+    		//set_site_transient('update_themes', null);
+    	}
+    	
+    	function check_for_update( $transient ) {
+        	if (empty($transient->checked)) return $transient;
+        	
+        	$request_args = array(
+    		    'id' => $this->theme_id,
+    		    'slug' => $this->theme_slug,
+    			'version' => $transient->checked[$this->theme_slug]
+    		);
+    		if ($this->license_key) $request_args['license'] = $this->license_key;
+    		
+    		$request_string = $this->prepare_request( 'theme_update', $request_args );
+    		$raw_response = wp_remote_post( $this->api_url, $request_string );
+        	
+        	$response = null;
+    		if( !is_wp_error($raw_response) && ($raw_response['response']['code'] == 200) )
+    			$response = unserialize($raw_response['body']);
+    		
+    		if( !empty($response) ) // Feed the update data into WP updater
+    			$transient->response[$this->theme_slug] = $response;
+        	
+        	return $transient;
+        }
+        
+        function prepare_request( $action, $args ) {
+    		global $wp_version;
+    		
+    		return array(
+    			'body' => array(
+    				'action' => $action, 
+    				'request' => serialize($args),
+    				'api-key' => md5(home_url())
+    			),
+    			'user-agent' => 'WordPress/'. $wp_version .'; '. home_url()
+    		);	
+    	}
+
+    }
+}

style.css

@@ -4,10 +4,11 @@ Theme URI: http://holgerkoenemann.de/understrap
 Author: Holger Koenemann
 Author URI: http://www.holgerkoenemann.de
 Description: Combination of Automattic´s _s theme and Bootstrap SASS
-Version: 0.2
+Version: 0.2.6
 License: GNU General Public License v2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 Text Domain: understrap
+Details URI: http://example.com/my-theme-changelog.html
 */
 
 /*This file is just used to identify the theme in wordpress. The compiles CSS output can be found in /css/theme.css