* Theme upgrader used in REST API response.
namespace Automattic\WooCommerce\Admin\Overrides;
defined( 'ABSPATH' ) || exit;
* Admin\Overrides\ThemeUpgrader Class.
class ThemeUpgrader extends \Theme_Upgrader {
* Install a theme package.
* @param string $package The full local path or URI of the package.
* Optional. Other arguments for installing a theme package. Default empty array.
* @type bool $clear_update_cache Whether to clear the updates cache if successful.
* @return bool|WP_Error True if the installation was successful, false or a WP_Error object otherwise.
public function install( $package, $args = array() ) {
'clear_update_cache' => true,
$parsed_args = wp_parse_args( $args, $defaults );
$this->install_strings();
add_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
add_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ), 10, 3 );
if ( $parsed_args['clear_update_cache'] ) {
// Clear cache so wp_update_themes() knows about the new theme.
add_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9, 0 );
'destination' => get_theme_root(),
'clear_destination' => false, // Do not overwrite files.
remove_action( 'upgrader_process_complete', 'wp_clean_themes_cache', 9 );
remove_filter( 'upgrader_source_selection', array( $this, 'check_package' ) );
remove_filter( 'upgrader_post_install', array( $this, 'check_parent_theme_filter' ) );
if ( $result && ! is_wp_error( $result ) ) {
// Refresh the Theme Update information.
wp_clean_themes_cache( $parsed_args['clear_update_cache'] );