Re: [PATCH] Solve git-submodule issues with detached work trees

> Am 23.07.2012 07:09, schrieb Junio C Hamano:
>> Daniel Graña <dangra@gmail.com> writes:
>>
>>> A common way to track dotfiles with git is using GIT_DIR and
>>> GIT_WORK_TREE to move repository out of ~/.git with something like:
>>>
>>>     git init --bare ~/.dotfiles
>>>     alias dotfiles="GIT_DIR=~/.dotfiles GIT_WORK_TREE=~ git"
>>>
>>>     dotfiles add ~/.bashrc
>>>     dotfiles commit -a -m "add my bashrc"
>>>     ...
>>>
>>> but git-submodule complains when trying to add submodules:
>>>
>>>     dotfiles submodule add http://path.to/submodule
>>>     fatal: working tree '/home/user' already exists.
>>>
>>>     git --git-dir ~/.dotfiles submodule add http://path.to/submodule
>>>     fatal: /usr/lib/git-core/git-submodule cannot be used without a
>>> working tree.
>>>
>>> Signed-off-by: Daniel Graña <dangra@gmail.com>
>>> ---
>>
>> I think this is in line with what we discussed earlier on list when
>> the interaction between GIT_DIR/GIT_WORK_TREE and submodules came up
>> the last time.  Jens?
>
> Yes, I think this is the only way submodules in current git can
> be used with the GIT_DIR and GIT_WORK_TREE environment variables:
> set them when adding or initializing the submodule and always use
> the same settings when accessing them later. Daniel's dotfile
> alias achieves exactly that, so his fix looks good. But I agree
> the tests should be improved as you already pointed out.