From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jens Lehmann <Jens.Lehmann@web.de>
Subject: Re: [PATCH] git-submodule add: Record branch name in .gitmodules
Date: Wed, 24 Oct 2012 21:10:41 +0200
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Cc: git@vger.kernel.org, wking@tremily.us
To: Nahor <nahor.j+gmane@gmail.com>
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Am 24.10.2012 00:02, schrieb Nahor:
> On 2012-10-23 13:36, Jens Lehmann wrote:
>> Am 23.10.2012 21:16, schrieb Nahor:
>>> Last issue, the branch that exists in your local repository may not
>>> exist in someone else's repository, either because the branch is
>>> purely local, or because it has a different name on the remote repo.
>>
>> You'll always face this kind of problems with commits too when using
>> submodules, so I don't see that as a problem here.
> 
> Commits can't change or disappear during "normal" git operation (i.e. without using "git push -f" or "git branch -D").
> A commit also has the same id in all the clones repository so there is no issue of a different name between the local and the remote repositories.

But if you forget to push a submodule commit it won't exist in someone
else's repository and so he won't be able to update the submodule after
checking out a commit in the superproject that records that unpushed
submodule commit.