Version 5.0.0 is available upstream. Please consider updating! It seems that version 5.0.0 is available upstream, while the latest version in the Gentoo tree is 4.1.0. You think this warning is false? Read more about it here.
r10k provides a general purpose toolset for deploying Puppet environments and modules. It implements the Puppetfile format and provides a native implementation of Puppet dynamic environments.