$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtcharts.git /var/lib/mock/f40-build-2068268-49293/root/chroot_tmpdir/scmroot/mingw-qt6-qtcharts
Cloning into '/var/lib/mock/f40-build-2068268-49293/root/chroot_tmpdir/scmroot/mingw-qt6-qtcharts'...
$ git fetch origin 85acfc1649206b3c9d35f0811785eabc2d3f11c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtcharts
 * [new ref]         85acfc1649206b3c9d35f0811785eabc2d3f11c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85acfc1 Update to 6.6.1