The repo list can be a plugin, you don’t need to maintain it in every build. That being said, reading them from Maven settings.xml is also just a simple plugin away 
Whichever way works better for you right now.
The repo list can be a plugin, you don’t need to maintain it in every build. That being said, reading them from Maven settings.xml is also just a simple plugin away Whichever way works better for you right now.