$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtdatavis3d.git /var/lib/mock/f45-build-34024-676/root/chroot_tmpdir/scmroot/qt5-qtdatavis3d
Cloning into '/var/lib/mock/f45-build-34024-676/root/chroot_tmpdir/scmroot/qt5-qtdatavis3d'...
$ git fetch origin fa66cd236a1a5be5231c484262f6bbde746fd91a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtdatavis3d
 * [new ref]         fa66cd236a1a5be5231c484262f6bbde746fd91a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa66cd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild