如何将git子模块更改为指向子文件夹？ [英] How to change a git submodule to point to a subfolder?

问题描述

浏览 SubModule教程，我从博托项目。然后，我发现我实际上只需要这个项目的一个子集 - 特别是 boto 文件夹。 / p>

我想将我的子模块更改为指向此文件夹。当我查看.gitmodules时，我看到

$ p $ [submodulebackup / src / boto]
path = backup / src / boto
url = https://github.com/boto/boto.git


我应该使用哪个网址而不是 https://github.com/boto/boto.git ？在我更改URL后，是否应该在本地删除boto文件夹并重新进行拔取？

解决方案

子模块总是指向存储库 - 不能指定只需要存储库的子文件夹，就像git不支持狭义克隆一样。

如果您无法将整个存储库作为子模块来运行，那么您可以始终创建一个从boto克隆的新存储库，然后设置一个cron作业：

1. git fetch 将该存储库转换为目录


2. 使用 git filter-branch 更新子目录位于顶层的分支。


3. 将存储库的该分支添加为子模块。但是，这一切都有点烦琐，我的偏好只是将整个存储库作为一个子模块。

Skimming through the SubModule tutorial, I created a submodule out of the boto project. Then, I discovered that I actually need only a subset of this project - specifically, the boto folder.

I would like to change my submodule to point to this folder. When I look in .gitmodules, I see

[submodule "backup/src/boto"]
    path = backup/src/boto
    url = https://github.com/boto/boto.git

What URL should I use instead of https://github.com/boto/boto.git? After I change the URL, should I delete the boto folder locally and re-pull?

解决方案

I'm afraid the URL for submodules always just points to the repository - you can't specify that you only want a subfolder of a repository, in the same way that git doesn't support "narrow clones" in general.

If you can't live with having the whole repository as a submodule, you could always create a new repository that's cloned from boto and then set up a cron job to:

1. git fetch that repository into a directory
2. Use git filter-branch to update a branch where the subdirectory is at the top level.
3. Add that branch of the repository as the submodule. However, that's all a bit fiddly and my preference would just be to live with having the whole repository as a submodule.

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