$ mount -t none -o bind /mnt/koji/ /var/lib/mock/f41-build-58970531-6569515/root/mnt/koji
$ mount -t none -o bind /mnt/koji/compose/updates/Fedora-41-updates-testing-20250421.0 /var/lib/mock/f41-build-58970531-6569515/root/mnt/koji/compose/updates/Fedora-41-updates-testing-20250421.0