$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7-build/14838/aarch64/blocklist -a aarch64 -o /tmp/koji/tasks/7244/97244/repo --arch-expand -g /mnt/koji/repos/dist-an7-build/14838/groups/comps.xml -r file:///tmp/koji/tasks/7244/97244/repo_14838_premerge/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/updates// -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os// -r http://mirrors.aliyun.com/epel/7/aarch64/
C_CREATEREPOLIB: Critical: cr_get_remote_metadata: curl_easy_perform failed: HTTP response code said error: The requested URL returned error: 403 Forbidden
Warning: Downloading of repodata failed: http://mirrors.aliyun.com/epel/7/aarch64/