7 aarch64) echo "arm64" ;;
8 x86_64) echo "amd64" ;;
26 amd64) echo "ubuntu:17.10" ;;
27 arm64) echo "arm64v8/ubuntu:17.10" ;;
29 echo "${name}: ERROR: Unknown arch ${a}" >&2
38 if [[ -n ${verbose} || -n "${dry_run}" ]]; then
42 if [[ -n "${dry_run}" ]]; then
54 : ${ARCH_TAG:="$(arch_tag)"}
55 : ${DOCKER_NAME:="pb-builder"}
56 : ${DOCKER_TAG:="${DOCKER_NAME}:${VERSION}${ARCH_TAG}"}