code: def run(self):
          
          yum_repos = {k: v for k, v in self.workflow.files.items() if k.startswith(YUM_REPOS_DIR)}
          if not yum_repos:
              return
          # absolute path in containers -> relative path within context
          host_repos_path = os.path.join(self.workflow.builder.df_dir, RELATIVE_REPOS_PATH)
          self.log.info("creating directory for yum repos: %s", host_repos_path)
          os.mkdir(host_repos_path)
  
          for repo, repo_content in self.workflow.files.items():
              yum_repo = YumRepo(repourl=repo, content=repo_content, dst_repos_dir=host_repos_path,
                                 add_hash=False)
              yum_repo.write_content()
  
          # Find out the USER inherited from the base image
          inspect = self.workflow.builder.base_image_inspect
          inherited_user = ''
          if not self.workflow.builder.base_from_scratch:
              inherited_user = inspect.get(INSPECT_CONFIG).get('User', '')
          df = df_parser(self.workflow.builder.df_path, workflow=self.workflow)
          yum_repos = list(self.workflow.files)
          add_yum_repos_to_dockerfile(yum_repos, df, inherited_user,
                                      self.workflow.builder.base_from_scratch)
docs: run the plugin