$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtquick3d.git /var/lib/mock/f38-build-side-42-init-devel-1033038-29729/root/chroot_tmpdir/scmroot/qt6-qtquick3d
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1033038-29729/root/chroot_tmpdir/scmroot/qt6-qtquick3d'...
$ git fetch origin a015a1ed99b03aff7349293730aef1b553f98d8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtquick3d
 * [new ref]         a015a1ed99b03aff7349293730aef1b553f98d8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a015a1e 6.5.2