Great idea! Would happily donate to this project/developer.
Doesn’t seem to work well if you use RVM on OS X to manage your Rubies, though… Might be a general problem in Sublime, though, but it runs my other ruby code in-editor just fine with the “build” command… Here’s the error from running “docs”:
docs
/Users/lumbergh/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find xiki (>= 0) amongst [bigdecimal-1.1.0, io-console-0.3, json-1.5.4, minitest-2.5.1, rake-0.9.2.2, rdoc-3.9.4] (Gem::LoadError)
from /Users/lumbergh/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
from /Users/lumbergh/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems.rb:1231:in `gem'
from /Users/lumbergh/.rvm/gems/ruby-1.9.3-p194/bin/xiki:18:in `<main>'