The source tree contains service files for google-guest-agent-manager.service and google-guest-compat-manager.service while the Go source code for both daemons is missing.
Also, depending on which revision is checked out, the service file google-startup-scripts.service sometimes adds a dependency on google-guest-agent-manager.service and sometimes not.
Could you please add the sources for these two daemons or at least remove the references to them? It's rather confusing for downstream packagers to work on the source when half the source is missing.