$ git clone -n https://src.fedoraproject.org/rpms/linux-atm.git /var/lib/mock/f29-build-1443-530/root/thebuilddir/tmp/scmroot/linux-atm
Cloning into '/var/lib/mock/f29-build-1443-530/root/thebuilddir/tmp/scmroot/linux-atm'...
$ git reset --hard f8c4d8533159cb8fd5a2b5d7d6f9fde7d4e335fc
HEAD is now at f8c4d85 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild