[boost] [git] Effect of "git checkout develop" on submodule?

Subject: [boost] [git] Effect of "git checkout develop" on submodule?
From: Beman Dawes (bdawes_at_[hidden])
Date: 2013-12-02 11:15:13

If I do this:

git clone --recursive git_at_[hidden]:boostorg/boost.git modular-boost
cd modular-boost/libs/math
git checkout develop

What commit of math develop branch should be checked out?

The current head?

The head at the time of the git clone?

Some other head?

--Beman