Am 27.03.2014 16:52, schrieb W. Trevor King:
> On Thu, Mar 27, 2014 at 03:21:49PM +0100, Johan Herland wrote:
>> I just found a failure to checkout a project with submodules where
>> there is no explicit submodule branch configuration, and the
>> submodules happen to not have a "master" branch:
> The docs say [1]:
>   A remote branch name for tracking updates in the upstream submodule.
>   If the option is not specified, it defaults to 'master'.

But the "branch" setting isn't configured for Qt, the .gitmodules
file contains only this:

[submodule "qtbase"]
        path = qtbase
        url = ../qtbase.git

> which is what we do now.  Working around that to default to the
> upstream submodule's HEAD is possible (you can just use --branch
> HEAD), but I think it's easier to just explicitly specify your
> preferred branch.

That is *not* easier, as Johan did not have to do that before.

I think your patch 23d25e48f5ead73c9ce233986f90791abec9f1e8 does
not do what the commit message promised:

    With this change, folks cloning submodules for the first time via:

      $ git submodule update ...

    will get a local branch instead of a detached HEAD, unless they are
    using the default checkout-mode updates.

And Qt uses the "default checkout-mode updates" and doesn't have
"branch" configured either. So we are facing a serious regression

> Cheers,
> Trevor
> [1]: submodule.<name>.branch in gitmodules(5)

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