>>Developers, please delete and re-download the top-level GIT
> supermodule.
>>I have temporarily locked out commit access to that top level
> supermodule
>>to prevent accidental merges of the old history.  All other GIT
> modules
>>continue to have normal read/write permissions for the TDE
> development
>>team, so the impact of this should be minimal.
>
> Supermodule? Delete exactly what directory in the tree?
>
> Darrell

The easiest way I have found to do this is:
cd tde
mv .git .git.bkp
git clone http://scm.trinitydesktop.org/scm/git/tde
mv tde/.git .
rm -rf tde
cp -Rp .git.bkp/config .git/config
rm -rf .git.bkp
git reset --hard HEAD
git pull
git submodule init
git submodule update

Tim