$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtquick3d.git /var/lib/mock/f40-build-2189234-51404/root/chroot_tmpdir/scmroot/qt6-qtquick3d
Cloning into '/var/lib/mock/f40-build-2189234-51404/root/chroot_tmpdir/scmroot/qt6-qtquick3d'...
$ git fetch origin 17bf939fac2edb674ff73f305d9e4ecd9e4bfaef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtquick3d
 * [new ref]         17bf939fac2edb674ff73f305d9e4ecd9e4bfaef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17bf939 6.6.1