$ mount -t none -o bind /mnt/koji/ /var/lib/mock/f40-build-730213-102602/root/mnt/koji
$ mount -t none -o bind /mnt/koji/compose/rawhide/Fedora-Rawhide-20230903.n.0 /var/lib/mock/f40-build-730213-102602/root/mnt/koji/compose/rawhide/Fedora-Rawhide-20230903.n.0