$ git clone -n https://src.fedoraproject.org/rpms/YafaRay.git /var/lib/mock/f40-build-769793-125781/root/chroot_tmpdir/scmroot/YafaRay
Cloning into '/var/lib/mock/f40-build-769793-125781/root/chroot_tmpdir/scmroot/YafaRay'...
$ git fetch origin cbd5c4b11959e006eefb4bd03d6e95b10264c73f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/YafaRay
 * [new ref]         cbd5c4b11959e006eefb4bd03d6e95b10264c73f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbd5c4b Rebuild for opencv 4.8.0