#!/usr/bin/env bash
# Print this machine's arch in docker naming (amd64 or arm64).
case "$(uname -m)" in
    x86_64 | amd64) echo amd64 ;;
    aarch64 | arm64) echo arm64 ;;
    *) echo "unsupported arch: $(uname -m)" >&2; exit 1 ;;
esac