$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtdatavis3d.git /var/lib/mock/f41-build-861332-169705/root/chroot_tmpdir/scmroot/qt6-qtdatavis3d
Cloning into '/var/lib/mock/f41-build-861332-169705/root/chroot_tmpdir/scmroot/qt6-qtdatavis3d'...
$ git fetch origin 86f54912b4cfd59c5f845e5abeed57adba6559d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtdatavis3d
 * [new ref]         86f54912b4cfd59c5f845e5abeed57adba6559d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86f5491 6.8.0