$ git clone -n https://src.fedoraproject.org/rpms/flent.git /var/lib/mock/f45-build-9039-398/root/chroot_tmpdir/scmroot/flent
Cloning into '/var/lib/mock/f45-build-9039-398/root/chroot_tmpdir/scmroot/flent'...
$ git fetch origin 9d492d0068a8538812dea92705f6a1e9525bf880:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flent
 * [new ref]         9d492d0068a8538812dea92705f6a1e9525bf880 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d492d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild