What are the differences between Git submodules and Git subtree?

What are the differences between Git submodules and Git subtree?

Git submodules allow you to include and manage repositories within a parent repository, while Git subtree lets you merge repositories into a single project. Submodules maintain separate histories, whereas subtree integrates the histories.

Which one is easier to use for beginners?

Git subtree is generally considered easier for beginners because it doesn't require managing separate repositories. You can work with everything in one repository.

Are there any performance differences between them?

Yes, Git submodules can lead to slower performance when cloning, as each submodule needs to be initialized separately. Git subtree, on the other hand, can be faster since it combines everything into one repository.

Can I convert a submodule to a subtree later?

Yes, you can convert a submodule to a subtree, but it requires some manual steps to merge the histories and adjust the repository structure.

What are some common use cases for each?

Common use cases for submodules include managing dependencies that need to be versioned separately, while subtrees are great for integrating libraries or components directly into your project.