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Re: git reset <tree-ish> <paths> of addition of a submodule?

On Thu, 2017-11-30 at 12:05 -0500, David Turner wrote:
> git submodule add https://my-git-repo blort
> git commit -m 'add a submodule'
> git reset HEAD^ blort
> The reset deletes the gitlink, but does not delete the entry in
> .gitmodules.  On one hand, this is exactly what the user asked for --
> they wanted the path 'blort' to be changed in the index, and that's
> what they got.  On the other hand, the behavior differs from git rm,
> and seems confusing: most folks don't want an entry in .gitmodules
> which doesn't correspond to a gitlink.  
> If reset isn't the right thing for me to do when I want to say "oops"
> about adding a submodule, then what is?  I could do:
> git reset HEAD^ blort .gitmodules
> but what if I added two submodules and only wanted to undo the
> addition
> of one?

Also, resetting the deletion of a submodule has an even worse issue --
you end up with a gitlink but no entry in .gitmodules.