$ git clone -n https://src.fedoraproject.org/rpms/qt5-qt3d.git /var/lib/mock/f40-build-800460-143563/root/chroot_tmpdir/scmroot/qt5-qt3d
Cloning into '/var/lib/mock/f40-build-800460-143563/root/chroot_tmpdir/scmroot/qt5-qt3d'...
$ git fetch origin 9f44ff394ddd00ed1f0702545a7f9e90048869a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qt3d
 * [new ref]         9f44ff394ddd00ed1f0702545a7f9e90048869a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f44ff3 5.15.13