What is this spec?

Forked from hansode's ruby-2.1.x-rpm project at https://github.com/hansode/ruby-2.1.x-rpm and updated for 2.2.2.

build SRPM and RPM

It's Simple.

1. Create your feature branch(e.g ruby-2.2.4)
2. Edit ruby.spec
3. Push to the branch.
4. Create a Pull request.
5. When the Pull request is merged, CircleCI will release ruby rpms to https://github.com/feedforce/ruby-rpm/releases .