public function is_active( $args, $assoc_args = array() ) {
		$theme = wp_get_theme( $args[0] );

		if ( ! $theme->exists() ) {
			WP_CLI::halt( 1 );
		}

		$this->is_active_theme( $theme ) ? WP_CLI::halt( 0 ) : WP_CLI::halt( 1 );
	}