Can I use git submodule to manage individual files as well as directories?

I have a complex repository where sometimes the logical boundaries between code segments crosses directory boundaries. Some开发者_开发技巧times a single file in directory X really needs to go with files in directory Y.

E.g., pretend I have a central repo that looks like this:

a/foo
a/bar
b/baz1
b/baz2

...and I want my local repository to end up with a/* and b/baz1, but not b/baz2.

(Yes, the long term solution is to move the files, but while I am working on that refactoring, I need to version-control the files appropriately.)

Can I use git submodule to work on a set of code that includes some directories and some other random files? How would I do this?

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No, the Git "submodule" feature is limited to subdirectories and all the files they contain.

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Gists act as mini repositories and even include revision history. You can put your single files on gist.github.com and add them as submodules.

Even if hidden gists are public -- it's important to keep that in mind. Using gists may not be appropriate in all situations.