rails/rails — pull request #9396 by fukayatsu (2013-02-24 08:25:04+00:00)
Title: Add `--open` option to `rails server`

Type `rails s -o` to run server and open in browser.
I think this option is useful for development.

$ rails server -h
Usage: rails server [mongrel, thin, etc] [options]
...
-o, --open Open in default browser.
...