$ git clone -n https://src.fedoraproject.org/rpms/python-sexpdata.git /var/lib/mock/f45-build-32934-665/root/chroot_tmpdir/scmroot/python-sexpdata
Cloning into '/var/lib/mock/f45-build-32934-665/root/chroot_tmpdir/scmroot/python-sexpdata'...
$ git fetch origin e70dda9e9cf2b8fcf4af666e4118830678e4cab5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sexpdata
 * [new ref]         e70dda9e9cf2b8fcf4af666e4118830678e4cab5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e70dda9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild