The First meant use is to allow the consumer to exclude sure dependencies from getting extra/eradicated/modified when "vendoring" dependencies. Mainly because fileMatch is mergeable, you need not copy the defaults and will increase the lacking file such as this: This is particularly handy when combined with assigneesSampleSize and assigneesFromCodeOwners, making https://edgarfhged.blogtov.com/13211203/renovate-can-be-fun-for-anyone