$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt6-qtcharts.git /var/lib/mock/f40-build-2700016-70194/root/chroot_tmpdir/scmroot/mingw-qt6-qtcharts
Cloning into '/var/lib/mock/f40-build-2700016-70194/root/chroot_tmpdir/scmroot/mingw-qt6-qtcharts'...
$ git fetch origin 4c8eb79f6a659aea9b74a4b267330d9fb728023c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt6-qtcharts
 * [new ref]         4c8eb79f6a659aea9b74a4b267330d9fb728023c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c8eb79 Update to 6.6.2