Coming Soon! We’re launching a new sub-community within the Google Cloud Community dedicated to cloud security: The Google Cloud Security Community. In preparation for the launch, this site will be in read only mode from 22 September 12am PST - 23 September 7pm PST
Best practice is one repo per project always. Otherwise you have multiple projects updating one repo, that can mess with the code a fair bit if not set correctly. If the project is set up to be read-only on one project, that is an exception.