self.resultsdir = os.path.join(self.tag_dir, "results")

          if not os.path.exists(self.resultsdir):

              os.makedirs(self.resultsdir)

          # Create "config" sub-directory.

          self.configdir = os.path.join(self.tag_dir, "config")

          # before the first build is done, otherwise we would remove files

          # which we already build in this module build.

          if MockModuleBuilder._build_id == 1:

              # Remove all RPMs from the results directory, but keep old logs.

              for name in os.listdir(self.resultsdir):

                  if name.endswith(".rpm"):

                      os.remove(os.path.join(self.resultsdir, name))

                  os.remove(os.path.join(self.resultsdir, "repodata/repomd.xml"))

              # Remove old config files from config directory.

      'noarch']) in Koji tag `tag` to `repo_dir` and creates repository in that

      directory. Needs config.koji_profile and config.koji_config to be set.

      """

      # Placed here to avoid py2/py3 conflicts...

      import koji

      log.info("Downloading %d packages from Koji tag %s to %s" % (len(download_args), tag, repo_dir))

      def _download_file(url_and_dest):

          """

          Download a file in a memory efficient manner

      # If we downloaded something, run the createrepo_c.

      if repo_changed:

          if os.path.exists(repodata_path):

              shutil.rmtree(repodata_path)