github/hub — pull request #438 by kaosf (2013-11-24 07:30:39+00:00)
Title: Use "/usr/bin/env ruby" for shebang if it exists

I'm using rbenv usually but some other packages provided by system (Ubuntu) installed old Ruby to `/usr/bin/ruby`. If `/usr/bin/ruby` exists, it is used always. Can it be changed to `/usr/bin/env ruby`?