标签：ret stack question over git head als ons https
https://stackoverflow.com/questions/26785118/head-vs-head-vs-head-also-known-as-tilde-vs-caret-vs-at-sign/26785200
https://stackoverflow.com/questions/2221658/whats-the-difference-between-head-and-head-in-git
标签：ret stack question over git head als ons https
原文地址：https://www.cnblogs.com/hangj/p/9262199.html
