$ git clone -n https://src.fedoraproject.org/rpms/tng.git /var/lib/mock/f41-build-side-1-2670843-29064/root/chroot_tmpdir/scmroot/tng
Cloning into '/var/lib/mock/f41-build-side-1-2670843-29064/root/chroot_tmpdir/scmroot/tng'...
$ git fetch origin 552810d32d5272c077cc3faec99be5d0ccd5b88b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tng
 * [new ref]         552810d32d5272c077cc3faec99be5d0ccd5b88b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 552810d convert license to SPDX