$ git clone -n https://src.fedoraproject.org/rpms/statserial.git /var/lib/mock/f45-build-36516-706/root/chroot_tmpdir/scmroot/statserial
Cloning into '/var/lib/mock/f45-build-36516-706/root/chroot_tmpdir/scmroot/statserial'...
$ git fetch origin 607d3a185498dcbffdec4961dd46d4ed8569bef3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/statserial
 * [new ref]         607d3a185498dcbffdec4961dd46d4ed8569bef3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 607d3a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild