$ git clone -n https://src.fedoraproject.org/rpms/YafaRay.git /var/lib/mock/f42-build-868996-176376/root/chroot_tmpdir/scmroot/YafaRay
Cloning into '/var/lib/mock/f42-build-868996-176376/root/chroot_tmpdir/scmroot/YafaRay'...
$ git fetch origin 2b4facc1f88b6345df9100b6072d4a6f2debe584:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/YafaRay
 * [new ref]         2b4facc1f88b6345df9100b6072d4a6f2debe584 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b4facc Rebuild for opencv-4.11.0