Regenerate the language binding source from gtfs-realtime.proto.
protoc --ruby_out=lib/google/transit --proto_path=.. ../gtfs-realtime.proto
Add the license header back to the generated source file.
Test the generated code:
rspec
Update the version number in gtfs-realtime-bindings.gemspec.
Build and deploy the gem to rubygems.org
gem build gtfs-realtime-bindings.gemspec
gem push gtfs-realtime-bindings-0.0.1.gem