Description of problem:
Fedora 22 is planning to switch over to dnf from yum as per
Please switch from yum/yum-utils to dnf/dnf-plugins-core. Thanks!
Created attachment 984656 [details]
switch from yum to dnf
Here is a patch to replace yum with dnf.
Please apply before Fedora 22 branching because yum won't be in Fedora 22 @base.
Fixed in rolekit-0.2.2-1 in F-22 and F-23.