$ /usr/bin/mergerepo_c --pkgorigins --all -a x86_64 -o /tmp/koji/tasks/1153/11153/repo --arch-expand -g /mnt/koji/repos/dist-an8-build/67/groups/comps.xml -r file:///tmp/koji/tasks/1153/11153/repo_67_premerge/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/BaseOS/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/AppStream/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/PowerTools/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/Devel/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/HighAvailability/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/centosplus/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/cr/x86_64/os/ -r https://mirrors.aliyun.com/centos-vault/8.2.2004/extras/x86_64/os/ -r http://build.openanolis.org/kojifiles/repos/anolis-8-local-repo-external/x86_64/
C_CREATEREPOLIB: Critical: cr_get_remote_metadata: Error while downloadig files: curl_easy_perform failed: Couldn't resolve host name: Could not resolve host: mirrors.aliyun.com
Warning: Downloading of repodata failed: https://mirrors.aliyun.com/centos-vault/8.2.2004/extras/x86_64/os/