$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtcharts.git /var/lib/mock/f41-build-861330-169705/root/chroot_tmpdir/scmroot/qt6-qtcharts
Cloning into '/var/lib/mock/f41-build-861330-169705/root/chroot_tmpdir/scmroot/qt6-qtcharts'...
$ git fetch origin af14462a0c8b55184771a1a7f5d1eed514b16799:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtcharts
 * [new ref]         af14462a0c8b55184771a1a7f5d1eed514b16799 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af14462 6.8.0