以下是一些有关子树合并的有用文章:
http://blog.brad.jones.name/2011/10/52/merging-two-git-repositories-history
http://kernel.org/pub/software/scm/git/docs/howto/using-merge-subtree.html
https://help.github.com/articles/working-with-subtree-merge
自要求日期以来,子树合并的状态已发生变化,包括添加--Xsubtree=参数以允许您绕过“猜测”。