$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an7-build/15854/aarch64/blocklist -a aarch64 -o /tmp/koji/tasks/127/110127/repo --arch-expand -g /mnt/koji/repos/dist-an7-build/15854/groups/comps.xml -r file:///tmp/koji/tasks/127/110127/repo_15854_premerge/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/updates/aarch64/ -r http://build.openanolis.cn/kojifiles/repos/centos/7.7.1908/os/aarch64/