$ git clone -n https://src.fedoraproject.org/rpms/dnf.git /var/lib/mock/f41-build-side-1-2817259-32985/root/chroot_tmpdir/scmroot/dnf
Cloning into '/var/lib/mock/f41-build-side-1-2817259-32985/root/chroot_tmpdir/scmroot/dnf'...
$ git fetch origin 872b5207c1912ef6ee59534b705bc0f0784441e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnf
 * [new ref]         872b5207c1912ef6ee59534b705bc0f0784441e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 872b520 Gate on Fedora CI tests