rm -rf os/repodata/
createrepo -d -g /home/Mash/KY3.4-3A-LS/loongarch64/comps.xml -o /home/Mash/KY3.4-3A-LS/loongarch64/os/ /home/Mash/KY3.4-3A-LS/loongarch64/os
rm -rf base/latest/repodata/
cp -r os/repodata/ base/latest/