$ git clone -n https://src.fedoraproject.org/rpms/nazghul.git /var/lib/mock/f41-build-side-1-2649085-27466/root/chroot_tmpdir/scmroot/nazghul
Cloning into '/var/lib/mock/f41-build-side-1-2649085-27466/root/chroot_tmpdir/scmroot/nazghul'...
$ git fetch origin 164a56ee445f1478f1b78a9ab7f96e37e4b842c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nazghul
 * [new ref]         164a56ee445f1478f1b78a9ab7f96e37e4b842c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 164a56e convert GPLv2+ license to SPDX