$ git clone -n https://src.fedoraproject.org/rpms/qt6-qt3d.git /var/lib/mock/f40-build-2339538-59657/root/chroot_tmpdir/scmroot/qt6-qt3d
Cloning into '/var/lib/mock/f40-build-2339538-59657/root/chroot_tmpdir/scmroot/qt6-qt3d'...
$ git fetch origin 1a69ad92a751734ccd9a6c475fe9268f02ca3a5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qt3d
 * [new ref]         1a69ad92a751734ccd9a6c475fe9268f02ca3a5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a69ad9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild