From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: Subtree with submodule inside?
Date: Wed, 06 Aug 2014 16:32:54 -0700
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Cc: Jens Lehmann <Jens.Lehmann@web.de>,
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To: Jonathan Nieder <jrnieder@gmail.com>
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In-Reply-To: <20140806220832.GA12427@google.com> (Jonathan Nieder's message of
	"Wed, 6 Aug 2014 15:08:32 -0700")
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Jonathan Nieder <jrnieder@gmail.com> writes:

>  2. Submodules aware of their superproject and of the parent's branches.
>     In other words, submodules would act as thought under refs/ they
>     had a symlink
>
> 	parent -> ../../../refs
>
>     So you could do
>
> 	git checkout --recurse-submodules master
>
> 	cd path/to/submodule
> 	git checkout parent/heads/next
>
>     This would avoid danger from "git gc" in submodules and would
>     get rid of most of the motivation for named branches in the
>     submodule, I'd think.

Are you assuming that they share their object stores?