$ git clone -n https://src.fedoraproject.org/rpms/fvsp.git /var/lib/mock/f45-build-9357-403/root/chroot_tmpdir/scmroot/fvsp
Cloning into '/var/lib/mock/f45-build-9357-403/root/chroot_tmpdir/scmroot/fvsp'...
$ git fetch origin 07e62ab339f624eed97d696b2c105535cc1436e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fvsp
 * [new ref]         07e62ab339f624eed97d696b2c105535cc1436e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07e62ab Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild