$ git clone -n https://src.fedoraproject.org/rpms/python-OBD.git /var/lib/mock/f45-build-29211-636/root/chroot_tmpdir/scmroot/python-OBD
Cloning into '/var/lib/mock/f45-build-29211-636/root/chroot_tmpdir/scmroot/python-OBD'...
$ git fetch origin 4b2f318cc8e163deb36ccbb64960e6d6f746abd7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-OBD
 * [new ref]         4b2f318cc8e163deb36ccbb64960e6d6f746abd7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b2f318 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild