$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtcharts.git /var/lib/mock/f45-build-34091-677/root/chroot_tmpdir/scmroot/qt6-qtcharts
Cloning into '/var/lib/mock/f45-build-34091-677/root/chroot_tmpdir/scmroot/qt6-qtcharts'...
$ git fetch origin 42931a464a21161e1d76cf9d03d82217137fad45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtcharts
 * [new ref]         42931a464a21161e1d76cf9d03d82217137fad45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42931a4 6.11.2