$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7_9-updates-build/67884/x86_64/blocklist -a x86_64 -o /tmp/koji/tasks/1118/731118/repo --arch-expand -g /mnt/koji/repos/dist-an7_9-updates-build/67884/groups/comps.xml -r file:///tmp/koji/tasks/1118/731118/repo_67884_premerge/ -r http://build.openanolis.cn/kojifiles/repos/anolis-7-local-repo-external/x86_64/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.9.2009/updates/x86_64/ -r https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/ -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: Error while downloadig files: curl_easy_perform failed: HTTP response code said error: The requested URL returned error: 403 Forbidden
Warning: Downloading of repodata failed: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/
type group added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/9585b88283adb08e9b70345ed8fb02e0a0cb212adc9fd810822c44112cec059c-comps-Everything.x86_64.xml 
type group_gz added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/748f422618d1cf4753622efb58005e55a0412282a1a3db57c5e5d9f3a248c2ad-comps-Everything.x86_64.xml.gz 
type prestodelta added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/b68e32c3f32c97af3c5ca5bd513aaf867a98e3f7de4d97cd239e3f819cbe2cbd-prestodelta.xml.gz 
type updateinfo added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/3033ccbc85fef6996a5b2515690b963b0cc9c20fffc89567a571aea9c6dc5bc4-updateinfo.xml.bz2