$ /usr/bin/mergerepo_c --pkgorigins --all -a x86_64 -o /var/tmp/koji/tasks/129/129/repo --arch-expand -g /mnt/koji/repos/module-squid-4-8050020211123034736-b4937e53-build/56/groups/comps.xml -r file:///var/tmp/koji/tasks/129/129/repo_56_premerge/ -r http://mirrors.tencent.com/centos/8/BaseOS/x86_64/os/ -r http://mirrors.tencent.com/centos/8/AppStream/x86_64/os/
C_CREATEREPOLIB: Critical: cr_get_remote_metadata: curl_easy_perform failed: Server returned nothing (no headers, no data): Empty reply from server
Warning: Downloading of repodata failed: http://mirrors.tencent.com/centos/8/AppStream/x86_64/os/