public function getChangeDate($identifier)
    {
        $this->process->execute('fossil finfo -b -n 1 composer.json', $output, $this->checkoutDir);
        list($ckout, $date, $message) = explode(' ', trim($output), 3);

        return new \DateTime($date, new \DateTimeZone('UTC'));
    }
public function getChangeDate($identifier)
    {
        $this->process->execute('fossil finfo -b -n 1 composer.json', $output, $this->checkoutDir);
        list($ckout, $date, $message) = explode(' ', trim($output), 3);

        return new \DateTime($date, new \DateTimeZone('UTC'));
    }
{@inheritdoc}