Add upstream

wp-content/plugins/jetpack/modules/sharedaddy.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Module Name: Sharing
+ * Module Description: Add Twitter, Facebook and Google+ buttons at the bottom of each post, making it easy for visitors to share your content.
+ * Sort Order: 7
+ * Recommendation Order: 6
+ * First Introduced: 1.1
+ * Major Changes In: 1.2
+ * Requires Connection: No
+ * Auto Activate: No
+ * Module Tags: Social, Recommended
+ * Feature: Engagement
+ * Additional Search Queries: share, sharing, sharedaddy, social buttons, buttons, share facebook, share twitter, social media sharing, social media share, social share, icons, email, facebook, twitter, linkedin, pinterest, pocket, social widget, social media
+ *
+ * @package Jetpack
+ */
+
+if ( ! function_exists( 'sharing_init' ) ) {
+	require dirname( __FILE__ ) . '/sharedaddy/sharedaddy.php';
+}
+
+add_action( 'jetpack_modules_loaded', 'sharedaddy_loaded' );
+
+/**
+ * Sharing module code loaded after all modules have been loaded.
+ */
+function sharedaddy_loaded() {
+	Jetpack::enable_module_configurable( __FILE__ );
+	add_filter( 'jetpack_module_configuration_url_sharedaddy', 'jetpack_sharedaddy_configuration_url' );
+}
+
+/**
+ * Return Jetpack Sharing configuration URL
+ *
+ * @return string Sharing config URL
+ */
+function jetpack_sharedaddy_configuration_url() {
+	if ( Jetpack::is_development_mode() || Jetpack::is_staging_site() || ! Jetpack::is_user_connected() ) {
+		return admin_url( 'options-general.php?page=sharing' );
+	}
+
+	$site_suffix = Jetpack::build_raw_urls( get_home_url() );
+	return 'https://wordpress.com/marketing/sharing-buttons/' . $site_suffix;
+}