codekitchen/ruby-protocol-buffers — pull request #10 by yugui (2013-06-18 01:58:39+00:00)
Title: Add a new executable bin/protoc-gen-ruby, which behaves as a Ruby code generator plugin of protoc.

Plugin is the preferred way of adding a support of non-official
language to proto compiler.

You can generate Ruby sources by commands like the following when
this plugin is installed in a location on the path.

% protoc --ruby_out=/path/to/output/dir foo.proto