git svn

https://www.kernel.org/pub/software/scm/git/docs/git-svn.html

http://www.blogjava.net/lishunli/archive/2012/01/15/368562.html

http://www.open-open.com/lib/view/open1328070404827.html

http://www.open-open.com/lib/view/open1328070404827.html