$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7-updates-build/44110/x86_64/blocklist -a x86_64 -o /tmp/koji/tasks/7029/287029/repo --arch-expand -g /mnt/koji/repos/dist-an7-updates-build/44110/groups/comps.xml -r file:///tmp/koji/tasks/7029/287029/repo_44110_premerge/ -r http://build.openanolis.cn/kojifiles/repos/anolis-7-local-repo-external/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/ -r https://mirrors.tuna.tsinghua.edu.cn/epel/7/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/2b95f559435c2865571d992229a67cbd5eed8074e2f39b39b0eec5c77c712b9d-comps-Everything.x86_64.xml 
type group_gz added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/fc334125dfdab0550c061a11903dbc11d412a6123ee2b1cb34c33599fad8f8c6-comps-Everything.x86_64.xml.gz 
type prestodelta added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/05886568a26cc208353e69bd15c97e2a6bbe17bbc0dc90a1a3392169fe2d77ad-prestodelta.xml.gz 
type updateinfo added to list from path: https://mirrors.tuna.tsinghua.edu.cn/epel/7/x86_64/repodata/d5654936bf5e089796d91154d77327c74ff9e660a7019f222c0d0d7fccfffbfe-updateinfo.xml.bz2