http://usefulfor.com/ruby/2009/02/09/nsis-installer-for-a-ruby-application-part-2-install-ruby-and-a-gem/

NSIS wrapper: https://github.com/cowlibob/ruby-nsis/blob/master/spec/config_spec.rb

http://usefulfor.com/ruby/2009/02/02/nsis-installer-for-a-ruby-application-part-1-hm-nis-wizard-output/ the “dradis” installer.

https://github.com/DavidMikeSimon/ocra/commit/4bab00b9cccf325e48cb53ac5a2cdf33528ce42e “kind of innosetup” integration.

possibly not worth integrating tho…but it may have code to reveal compiled dependencies…if I even want that..