Ticket #27754: 27754.3.patch

wp-admin/includes/class-wp-upgrader.php

@@ -347 +347 @@
                 );
 
                 $options = wp_parse_args($options, $defaults);
+                
+                /**
+                 * Filter the package options before running an update. 
+                 * 
+                 * @param array $options {
+                 *              Options used by the upgrader. 
+                 * 
+                 *              @type string $package                   Package for update.
+                 *              @type string $destination               Update location.
+                 *              @type bool $clear_destination           Clear the destination resource.
+                 *              @type bool $clear_working               Clear the working resource.
+                 *              @type bool $abort_if_destination_exists Abort if the Destination directory exists.
+                 *              @type bool $is_multi                    Whether the upgrader is running multiple times.
+                 *              @type array $hook_extra                 Extra hook arguments.
+                 * }
+                 */
+                $options = apply_filters( 'upgrader_package_options', $options );
                 extract($options);
 
                 if ( ! $is_multi ) // call $this->header separately if running multiple times