Issue #3255195 by eiriksm: Avoid logging empty Sha log messages

          throw new NeedsUpdateException("No sha stored for package $dep");

        }

        $current_package_sha = $this->getNewShaForPackage($dep, $composer_json, $env, $auth_json);

        $this->logger->info('Current package sha for package @package is @sha', [

          '@package' => $dep,

          '@sha' => $current_package_sha,

        ]);

        if (FALSE === $current_package_sha) {

          // Some error prevented us from finding the sha, We do not want to

          // store that, so we keep on checking other packages.

          continue;

        }

        $this->logger->info('Current package sha for package @package is @sha', [

          '@package' => $dep,

          '@sha' => $current_package_sha,

        ]);

        if ($sha->getSha() != $current_package_sha) {

          // Run update.

          $new_sha = new UpdateCheckSha($current_package_sha, time());