This looks awesome. I'll need to try this out. I've used aptly to create repos before. Here are my ansible scripts:

https://github.com/BigSense/vSense/blob/master/ansible/roles...

https://github.com/BigSense/vSense/blob/master/ansible/roles...

Publishing was kinda a nightmare:

https://github.com/BigSense/vSense/blob/master/ansible/roles...

It's still using the very old Jenkins pipelines (the server is gone now so none of that even works) and a config management system that's long dead. I desperately need to rewrite it and this looks like a good starting point for at least the deb repos!