Ticket #51742: 51742.diff

src/wp-admin/update-core.php

@@ -322 +322 @@
         $upgrade_minor = get_site_option( 'auto_update_core_minor', true );
         $upgrade_major = get_site_option( 'auto_update_core_major', false );
 
+        $major_optin_disabled = '';
         // WP_AUTO_UPDATE_CORE = true (all), 'beta', 'rc', 'minor', false.
         if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) {
                 if ( false === WP_AUTO_UPDATE_CORE ) {
@@ -343 +344 @@
                         $upgrade_minor = true;
                         $upgrade_major = false;
                 }
+                $major_optin_disabled = ' disabled';
         }
 
         /** This filter is documented in wp-admin/includes/class-core-upgrader.php */
@@ -352 +354 @@
         /** This filter is documented in wp-admin/includes/class-core-upgrader.php */
         $upgrade_major = apply_filters( 'allow_major_auto_core_updates', $upgrade_major );
 
+        $is_major_optin_disabled = apply_filters( 'allow_major_auto_core_updates', null );
+        if ( isset( $is_major_optin_disabled ) ) {
+                $major_optin_disabled = ' disabled';
+        }
+
         $auto_update_settings = array(
                 'dev'   => $upgrade_dev,
                 'minor' => $upgrade_minor,
@@ -373 +380 @@
                         ?>
                 </p>
                 <p>
-                        <input type="checkbox" name="core-auto-updates-major" id="core-auto-updates-major" value="1" <?php checked( $auto_update_settings['major'], 1 ); ?> />
+                        <input type="checkbox" name="core-auto-updates-major" id="core-auto-updates-major" value="1" <?php checked( $auto_update_settings['major'], 1 ); ?> <?php echo $major_optin_disabled; ?> />
                         <label for="core-auto-updates-major">
                                 <?php _e( 'Automatically keep this site up-to-date with regular feature updates.' ); ?>
+                                <?php if ( ! empty( $major_optin_disabled ) ) : ?>
+                                        <em><?php _e( 'This setting has been disabled using a constant or a filter.' ); ?></em>
+                                <?php endif; ?>
                         </label>
                 </p>
                 <?php