mac 下删除xcode后使用git
1. http://blog.bobbyallen.me/2014/03/07/how-to-install-git-without-having-to-install-xcode-on-macosx/
2. https://www.atlassian.com/git/tutorials/install-git
1. http://blog.bobbyallen.me/2014/03/07/how-to-install-git-without-having-to-install-xcode-on-macosx/
2. https://www.atlassian.com/git/tutorials/install-git