$ git clone -n https://src.fedoraproject.org/rpms/dnf.git /var/lib/mock/f41-build-side-1-2818601-33023/root/chroot_tmpdir/scmroot/dnf
Cloning into '/var/lib/mock/f41-build-side-1-2818601-33023/root/chroot_tmpdir/scmroot/dnf'...
$ git fetch origin c4c3f6681c5981682255e6afd657c72c7538c5f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnf
 * [new ref]         c4c3f6681c5981682255e6afd657c72c7538c5f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4c3f66 Gate on Fedora CI tests