微软MVP写的, 条例很清楚
https://www.cnblogs.com/wangiqngpei557/p/6056624.html
官方教材的翻译, 还是有点费解
https://git-scm.com/book/zh/v2/Git-%E5%88%86%E6%94%AF-%E5%8F%98%E5%9F%BA
Fatal: Not possible to fast-forward, aborting 之后的 git pull --rebase
https://www.jianshu.com/p/5f4772dc60c2
git rebase
https://www.jianshu.com/p/b37ff443de15