$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7-build/16239/x86_64/blocklist -a x86_64 -o /tmp/koji/tasks/4784/114784/repo --arch-expand -g /mnt/koji/repos/dist-an7-build/16239/groups/comps.xml -r file:///tmp/koji/tasks/4784/114784/repo_16239_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/
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/anolis-7-local-repo-external/x86_64/
type group added to list from path: http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os/x86_64/repodata/521f322f05f9802f2438d8bb7d97558c64ff3ff74c03322d77787ade9152d8bb-c7-x86_64-comps.xml 
type group_gz added to list from path: http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os/x86_64/repodata/4af1fba0c1d6175b7e3c862b4bddfef93fffb84c37f7d5f18cfbff08abc47f8a-c7-x86_64-comps.xml.gz 
type group added to list from path: /tmp/koji/tasks/4784/114784/createrepo_c_tmp_repo_2CoRtL/repodata/521f322f05f9802f2438d8bb7d97558c64ff3ff74c03322d77787ade9152d8bb-c7-x86_64-comps.xml 
type group_gz added to list from path: /tmp/koji/tasks/4784/114784/createrepo_c_tmp_repo_2CoRtL/repodata/4af1fba0c1d6175b7e3c862b4bddfef93fffb84c37f7d5f18cfbff08abc47f8a-c7-x86_64-comps.xml.gz