From 2dd83960b9377372b6da9e759b6b1d8c620b2ea7 Mon Sep 17 00:00:00 2001
From: Pascal Birchler <pascal.birchler@gmail.com>
Date: Wed, 27 Sep 2017 09:44:45 +0000
Subject: [PATCH] Upgrade/Install: Show new version number when updating a
 theme on Multisite.

Props afragen.
Fixes #40764.

Built from https://develop.svn.wordpress.org/trunk@41611


git-svn-id: http://core.svn.wordpress.org/trunk@41446 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/ajax-actions.php | 8 +++++++-
 wp-includes/version.php            | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/wp-admin/includes/ajax-actions.php b/wp-admin/includes/ajax-actions.php
index 29cac97917..53fd8671d1 100644
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -3463,6 +3463,7 @@ function wp_ajax_update_theme() {
 	$status     = array(
 		'update'     => 'theme',
 		'slug'       => $stylesheet,
+		'oldVersion' => '',
 		'newVersion' => '',
 	);
 
@@ -3471,6 +3472,11 @@ function wp_ajax_update_theme() {
 		wp_send_json_error( $status );
 	}
 
+	$theme = wp_get_theme( $stylesheet );
+	if ( $theme->exists() ) {
+		$status['oldVersion'] = $theme->get( 'Version' );
+	}
+
 	include_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
 
 	$current = get_site_transient( 'update_themes' );
@@ -3502,7 +3508,7 @@ function wp_ajax_update_theme() {
 		}
 
 		$theme = wp_get_theme( $stylesheet );
-		if ( $theme->get( 'Version' ) ) {
+		if ( $theme->exists() ) {
 			$status['newVersion'] = $theme->get( 'Version' );
 		}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b47a89bab1..5160552b3b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41610';
+$wp_version = '4.9-alpha-41611';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.