$ git clone -n https://src.fedoraproject.org/rpms/conflict.git /var/lib/mock/f45-build-4893-336/root/chroot_tmpdir/scmroot/conflict
Cloning into '/var/lib/mock/f45-build-4893-336/root/chroot_tmpdir/scmroot/conflict'...
$ git fetch origin d40f591ae60081a4cd7074f8b1a061e87ca8fcb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/conflict
 * [new ref]         d40f591ae60081a4cd7074f8b1a061e87ca8fcb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d40f591 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild