$ git clone -n https://src.fedoraproject.org/rpms/python-optuna.git /var/lib/mock/f45-build-31813-655/root/chroot_tmpdir/scmroot/python-optuna
Cloning into '/var/lib/mock/f45-build-31813-655/root/chroot_tmpdir/scmroot/python-optuna'...
$ git fetch origin 5a723b42f9ab95da358d6d6446d3299190f868c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-optuna
 * [new ref]         5a723b42f9ab95da358d6d6446d3299190f868c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a723b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild