❯ buildah bud -f Containerfile.nvidia --build-arg BUILDER_IMAGE=quay.io/fedora/fedora --build-arg KERNEL_ORG=ublue-os --build-arg KERNEL_FLAVOR=main --build-arg FEDORA_MAJOR_VERSION=40 --build-arg RPMFUSION_MIRROR= --build-arg NVIDIA_FLAVOR=nvidia-legacy --build-arg DUAL_SIGN=true --format docker --tls-verify=true -t akmods-nvidia-open:pr-225-main-40
...
[2/3] STEP 16/18: ARG NVIDIA_FLAVOR
[2/3] STEP 17/18: RUN DRIVER_TYPE=$([ "${NVIDIA_FLAVOR}" = "nvidia-legacy" ] && echo "kernel" || echo "kernel-open") && echo nf ${NVIDIA_FLAVOR} - dt $DRIVER_TYPE
nf nvidia-legacy - dt kernel