github fork出来的项目同步上游

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_32768743/article/details/82963131

以https://github.com/PikachuHy/flatpak-docs.git为例，它的上游是 https://github.com/flatpak/flatpak-docs.git 。
同步master分支

 git remote add upstream https://github.com/flatpak/flatpak-docs.git
 git remote update upstream
 git rebase upstream/master

参考： https://blog.csdn.net/qdujunjie/article/details/42100469