From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date: Mon, 16 Aug 2010 21:50:32 GMT
Subject: Re: Commit ID of a branch
Message-ID: <AANLkTik0FFHCdMTa_MDpdg-df2fAkpKgyVyRUCuhZ5=c@mail.gmail.com>
In-Reply-To: <loom.20100816T231539-211@post.gmane.org>

On Mon, Aug 16, 2010 at 21:19, Guillermo <guillermog@tricuspide.com> wrote:
> Hello,
>
> I want to write a script what checks in all my projects which is the submodule
> commit that is registered in every git repo.
>
> Lets say we have the following structure:
>
> project1
> - submodule1
> project2
> - submodule1
>
> I want to find out what file within the .git dir of every project contains the
> proper submodule Commit ID that should be checkout with git submodule update.

That ID is stored in a tree object, See e.g. git-ls-tree for how to get it.