#!/bin/bash set -e set -o pipefail os="$(uname -s | tr "[:upper:]" "[:lower:]")" case "${os}" in darwin | linux) url="https://github.com/nokia/ntt/releases/latest/download/ntt_${os}_x86_64.tar.gz" curl -L "$url" | tar xz ntt chmod +x ntt ;; *) echo >&2 "$os is not supported" exit 1 ;; esac