Managing configuration from plugins about bild

[greg-1-anderson]

Symfony/Config offers the ability to validate configuration; however, in the case of Robo, it seemed that configuration settings would be highly dynamic, and dependent entirely on the commands in the RoboFile and task plugins (and core tasks). Therefore, in keeping with Robo's design philosophy to keep Robo core simple and lightweight, no validation features are provided by default. That could change in the future, if there was demand and agreement. The current state of affairs relegates configuration issues such as this to applications that use Robo as a framework, if they desire to do so. If you wanted plugins to participate in validation, you'd have to provide a design and implementation for that.

In terms of providing sensible defaults, see Providing Default Configuration in the getting started guide.