Exception on GitHub search result pages: "Could not find commit link in snippet code view"

Created by: lguychard

From Sentry: https://sentry.io/organizations/sourcegraph/issues/1264421932/events/9dc7a4ffcaa6425aa5f2806caa63306a/

Example page: https://github.com/75nineteen/order-simulator-woocommerce/search?q=WooCommerce+test&unscoped_q=WooCommerce+test