http://d.hatena.ne.jp/mobcov/20110904/1315130438
https://github.com/iwata/git-now
めも
以下古い記述
https://mistilteinn.readthedocs.org/en/latest/git-tools.html
https://gist.github.com/1324421/1182168da07a46a51bde95b6d52cff22ace317ad
http://takanosho.wordpress.com/2012/07/23/add-git-now-fixup/
https://gist.github.com/mzp/1127078
