Re: Submodule "git branch" says (HEAD detached at <incorrect-commit>)

[Julius Smith <jos@ccrma.stanford.edu>]

I should add:
> git --version
git version 2.20.1 (Apple Git-117)

On Wed, Jul 3, 2019 at 1:28 AM Julius Smith <jos@ccrma.stanford.edu> wrote:
>
> Greetings,
>
> I have a repo with two branches A and B, say, and a submodule pointing
> to a repo also with two branches, say C and D.  Branch A of the parent
> uses branch C of the submodule, while B uses D.  My clone is in a
> state (that I've seen often) where branch A's submodule directory
> _appears_ to be using a commit for D when really it's a commit for C.
> "git branch" in the the submodule directory says "(detached from
> <commit-for-D>)" but this seems to be wrong.  I did "git diff
> <commit>" in the submodule directory to show that it was the C-commit
> and not the D-commit as it appeared.  Could "git branch" in the
> submodule directory be referring to the commit at the time it was
> first detached and not updating after a "git submodule update --init"
> in the parent?
>
> Thanks,
> - Julius
>
> --
> Julius O. Smith III <jos@ccrma.stanford.edu>