$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7_9-updates-build/63881/aarch64/blocklist -a aarch64 -o /tmp/koji/tasks/2900/612900/repo --arch-expand -g /mnt/koji/repos/dist-an7_9-updates-build/63881/groups/comps.xml -r file:///tmp/koji/tasks/2900/612900/repo_63881_premerge/ -r http://build.openanolis.cn/kojifiles/repos/anolis-7-local-repo-external/aarch64/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.9.2009/updates/aarch64/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/updates/aarch64/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os/aarch64/ -r https://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: https://mirrors.aliyun.com/epel/7/aarch64/