$ git clone -n https://src.fedoraproject.org/rpms/qcad.git /var/lib/mock/f39-build-1706401-41221/root/chroot_tmpdir/scmroot/qcad
Cloning into '/var/lib/mock/f39-build-1706401-41221/root/chroot_tmpdir/scmroot/qcad'...
$ git fetch origin 55609dcc510f63aaac4e44a7187c030796f27442:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qcad
 * [new ref]         55609dcc510f63aaac4e44a7187c030796f27442 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55609dc Remove unbundling of spatialindex lib| Epoch 1| Use latest stable release (rhbz#2239159)