$ git clone -n https://src.fedoraproject.org/rpms/YafaRay.git /var/lib/mock/f41-build-844842-162646/root/chroot_tmpdir/scmroot/YafaRay
Cloning into '/var/lib/mock/f41-build-844842-162646/root/chroot_tmpdir/scmroot/YafaRay'...
$ git fetch origin 9b7d2a71133e5db78fe820ac3829a2663f83ee49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/YafaRay
 * [new ref]         9b7d2a71133e5db78fe820ac3829a2663f83ee49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b7d2a7 Rebuild for opencv 4.10.0