git subtree：可以更改分叉存储库中的子树分支/路径吗？
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git subtree: possible to change subtree branch/path in a forked repository?
提问by LearnCocos2D
In a repository Athe folder subis included as git subtree of the repository S- pointing to masterbranch.
在存储库中，A该文件夹sub作为存储库的git 子树包含S- 指向master分支。
I have forked repository Ainto F. Now I want to do one of the following in F:
我已将存储库分叉A到F. 现在我想在以下内容中执行以下操作之一F：
- change
subto use a different branch ofS(iedevelopbranch) - or: change
subto use a different repository altogether
- 更改
sub为使用不同的分支S（即develop分支） - 或：更改
sub为完全使用不同的存储库
Is either one of these possible, and if so, how? Will there be any side effects I should know of?
其中任何一个是否可能，如果是，如何？我应该知道有什么副作用吗？
And how can I make sure my subtree change won't be updated in repository Awhen I merge my changes (pull request)? I mean besides isolating commits.
A当我合并更改（拉取请求）时，如何确保我的子树更改不会在存储库中更新？我的意思是除了隔离提交。
回答by elmart
If you used git subtree(and not git submodule) to create the subtree, then it's just a normal dir. To switch it to another branch, just delete it and recreate the subtree from the new branch. This is:
如果你使用git subtree（而不是git submodule）来创建子树，那么它只是一个普通的目录。要将其切换到另一个分支，只需将其删除并从新分支重新创建子树。这是：
git rm <subtree>
git commit
git subtree add --prefix=<subtree> <repository_url> <branch>
That should work without problems.
这应该没有问题。
