$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7-build/14904/x86_64/blocklist -a x86_64 -o /tmp/koji/tasks/7502/97502/repo --arch-expand -g /mnt/koji/repos/dist-an7-build/14904/groups/comps.xml -r file:///tmp/koji/tasks/7502/97502/repo_14904_premerge/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/updates/x86_64/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os/x86_64/
C_CREATEREPOLIB: Critical: cr_get_remote_metadata: curl_easy_perform failed: HTTP response code said error: The requested URL returned error: 404 Not Found
Warning: Downloading of repodata failed: http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os/x86_64/