下面这几条是svn的，主要弄清楚truck tag branches就可以
https://blog.csdn.net/quwenzhe/article/details/61922274
https://www.cnblogs.com/secying/p/3695389.html
https://blog.csdn.net/vbirdbest/article/details/51122637
原文：https://www.cnblogs.com/jialanshun/p/10703111.html