ti.variants.add(var)

      repomd_path = os.path.join(var.repository, "repodata", "repomd.xml")

      for i in variant.get_variants(types=["addon"], arch=arch):

          addon = productmd.treeinfo.Variant(ti)

          var.add(addon)

          repomd_path = os.path.join(addon.repository, "repodata", "repomd.xml")

      class LoraxProduct(productmd.treeinfo.Release):

          def _check_short(self):

              # stage2 - mainimage

              if bi_ti.stage2.mainimage:

                  ti.stage2.mainimage = bi_ti.stage2.mainimage

              # stage2 - instimage

              if bi_ti.stage2.instimage:

                  ti.stage2.instimage = bi_ti.stage2.instimage

              # images

              for platform in bi_ti.images.images:

                  ti.tree.platforms.add(platform)

                  for image, path in bi_ti.images.images[platform].items():

                      ti.images.images[platform][image] = path

          # add product.img to images-$arch

          product_img = os.path.join(os_tree, "images", "product.img")

          if os.path.isfile(product_img):

              for platform in ti.images.images:

                  ti.images.images[platform]["product.img"] = product_img_relpath

      path = os.path.join(compose.paths.compose.os_tree(arch=arch, variant=variant), ".treeinfo")

      compose.log_info("Writing treeinfo: %s" % path)

              cmd = repo.get_createrepo_cmd(tree_dir, update=True, database=True, skip_stat=True, pkglist=file_list, outputdir=iso_dir, workers=3, checksum=createrepo_checksum)

              run(cmd)

              # add repodata/repomd.xml back to checksums

      new_ti_path = os.path.join(iso_dir, ".treeinfo")

      ti.dump(new_ti_path)