Added shell_opts to reduce duplicate commands.
Added shell_opts to reduce duplicate commands.

postmodern/chruby,regularfry/chruby,kbrock/chruby,ngpestelos/chruby,kbrock/chruby,ngpestelos/chruby,ilikepi/chruby,postmodern/chruby,ilikepi/chruby,regularfry/chruby