$ /usr/bin/mergerepo_c --koji --simple -b /mnt/koji/repos/dist-an23-riscv64-build/72623/riscv64/blocklist -a riscv64 -o /tmp/koji/tasks/5440/885440/repo --arch-expand -g /mnt/koji/repos/dist-an23-riscv64-build/72623/groups/comps.xml -r file:///tmp/koji/tasks/5440/885440/repo_72623_premerge/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/an8dev/riscv64/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/an8-ext/riscv64/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/an8/riscv64/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/an8-pm/riscv64/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/an8-extra/riscv64/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/tmp/riscv64/ -r http://8.131.87.1/kojifiles/repos/anolis23-riscv64-repo-external/an8-tmp-extra/ -r https://mirror.iscas.ac.cn/fedora.riscv.rocks/riscv64/
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: https://mirror.iscas.ac.cn/fedora.riscv.rocks/riscv64/