$ git clone -n https://src.fedoraproject.org/rpms/supertuxkart.git /var/lib/mock/f41-build-side-1-2771379-32225/root/chroot_tmpdir/scmroot/supertuxkart
Cloning into '/var/lib/mock/f41-build-side-1-2771379-32225/root/chroot_tmpdir/scmroot/supertuxkart'...
$ git fetch origin 1057adea94b2a2fd71a5dfc9d3ca070e8da72b56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/supertuxkart
 * [new ref]         1057adea94b2a2fd71a5dfc9d3ca070e8da72b56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1057ade Correct SPDX license formula