$ git clone -n https://src.fedoraproject.org/rpms/simfqt.git /var/lib/mock/f45-build-36061-701/root/chroot_tmpdir/scmroot/simfqt
Cloning into '/var/lib/mock/f45-build-36061-701/root/chroot_tmpdir/scmroot/simfqt'...
$ git fetch origin 0747c10d046fe8799b7cffeaad6ddd99e3251b9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simfqt
 * [new ref]         0747c10d046fe8799b7cffeaad6ddd99e3251b9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0747c10 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild