Updates were rejected because the remote contains work that you do_hint: updates were rejected because the remote con

 ! [rejected]        develop -> develop (fetch first)
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

提示：更新被拒绝，因为远程包含您所做的工作
提示：不要在本地使用。这通常是由另一个存储库推送引起的
提示：对于相同的ref。您可能需要首先集成远程更改
提示：（例如，“git pull…”）然后再次按下。
提示：有关详细信息，请参阅“git push --help”中的“关于快进的说明”
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参考: git pull –allow-unrelated-histories

默认情况下，git merge命令拒绝合并没有共同祖先的历史记录。当合并独立启动的两个项目的历史记录时，可以使用此选项来覆盖此安全性。由于这种情况非常罕见，所以缺省情况下不存在支持此功能的配置变量，因此不会添加。

只在合并时有用。

参考文档：file:///C:/Program%20Files/Git/mingw64/share/doc/git-doc/git-pull.html