diskimage-builder/diskimage_builder/elements/block-device-efi-lvm/environment.d/15-block-device.bash

#
# Arch gate
#

if [[ "ppc64 ppc64le ppc64el" =~ "$ARCH" ]]; then
    echo "block-device-efi is not supported on Power; use block-device-gpt or block-device-mbr"
    exit 1
fi

export DIB_BLOCK_DEVICE=efi