Add upstream

wp-content/plugins/jetpack/modules/seo-tools.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * Module Name: SEO Tools
+ * Module Description: Better results on search engines and social media.
+ * Sort Order: 35
+ * Recommendation Order: 15
+ * First Introduced: 4.4
+ * Requires Connection: Yes
+ * Auto Activate: No
+ * Module Tags: Social, Appearance
+ * Feature: Traffic
+ * Additional Search Queries: search engine optimization, social preview, meta description, custom title format
+ * Plans: business, premium
+ */
+
+include dirname( __FILE__ ) . '/seo-tools/jetpack-seo.php';
+include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
+
+// Suppress SEO Tools output if any of the following plugins is active.
+$jetpack_seo_conflicting_plugins = array(
+	'wordpress-seo/wp-seo.php',
+	'wordpress-seo-premium/wp-seo-premium.php',
+	'all-in-one-seo-pack/all_in_one_seo_pack.php',
+	'all-in-one-seo-pack-pro/all_in_one_seo_pack.php',
+	'autodescription/autodescription.php',
+);
+
+foreach( $jetpack_seo_conflicting_plugins as $seo_plugin ) {
+	if ( Jetpack::is_plugin_active( $seo_plugin ) ) {
+		// Disable all custom meta tags that SEO tools manages.
+		add_filter( 'jetpack_disable_seo_tools', '__return_true' );
+
+		// Also disable default meta tags.
+		add_filter( 'jetpack_seo_meta_tags_enabled', '__return_false' );
+		break;
+	}
+}
+
+new Jetpack_SEO;