git clone git://github.com/yas375/emacs-config.git ~/.emacs.d
cd ~/.emacs.d
git submodule update --init --recursive
cp env.el.example env.el
# edit env.el
Env.el is under gitignore. This file used for system independent configuration. Now I specify there path to ruby 1.9 binary. It is required by enhanced-ruby-mode.