From 57e36f1ed2ba16c28141f5b3d926dc7781cfc3d6 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Sun, 29 Apr 2018 23:10:26 +0000
Subject: [PATCH] Login and Registration: Send `nocache_headers()` on Multisite
 signup pages.

Props herregroen.
Merges [43030] to the 4.9 branch.
Fixes #43843.
Built from https://develop.svn.wordpress.org/branches/4.9@43031


git-svn-id: http://core.svn.wordpress.org/branches/4.9@42860 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/version.php | 2 +-
 wp-signup.php           | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2a18a23564..46db32406d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9.6-alpha-43029';
+$wp_version = '4.9.6-alpha-43031';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-signup.php b/wp-signup.php
index f0f14f539d..764f4edd90 100644
--- a/wp-signup.php
+++ b/wp-signup.php
@@ -7,6 +7,8 @@ add_action( 'wp_head', 'wp_no_robots' );
 
 require( dirname( __FILE__ ) . '/wp-blog-header.php' );
 
+nocache_headers();
+
 if ( is_array( get_site_option( 'illegal_names' )) && isset( $_GET[ 'new' ] ) && in_array( $_GET[ 'new' ], get_site_option( 'illegal_names' ) ) ) {
 	wp_redirect( network_home_url() );
 	die();