$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtconnectivity.git /var/lib/mock/f39-build-1662400-40667/root/chroot_tmpdir/scmroot/qt6-qtconnectivity
Cloning into '/var/lib/mock/f39-build-1662400-40667/root/chroot_tmpdir/scmroot/qt6-qtconnectivity'...
$ git fetch origin 6ad57731f362b6c0741ac7e4835750ae08ec207e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtconnectivity
 * [new ref]         6ad57731f362b6c0741ac7e4835750ae08ec207e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ad5773 6.6.0