Asteroid::runがダメらしい。
# shooting_star start /usr/local/lib/ruby/gems/1.8/gems/shooting_star-1.0.5/bin/../lib/shooting_star.rb:71:in `run': Function not implemented (RuntimeError) from /usr/local/lib/ruby/gems/1.8/gems/shooting_star-1.0.5/bin/../lib/shooting_star.rb:71:in `start' from /usr/local/lib/ruby/gems/1.8/gems/shooting_star-1.0.5/bin/shooting_star:61 from /usr/local/bin/shooting_star:16:in `load' from /usr/local/bin/shooting_star:16