#!/usr/bin/env bash

arch=$(uname -m)
case "$arch" in
    x86_64)        arch="amd64" ;;
    aarch64|arm64) arch="arm64" ;;
    *)             echo "unsupported architecture: $arch"; exit 1 ;;
esac

case "$OSTYPE" in
    darwin*)  re="mac_${arch}.*[.]tar[.]gz$" ;;
    linux*)   re="linux_${arch}.*[.]tar[.]gz$" ;;
    msys*)    re="windows_${arch}.*[.]zip$" ;;
    *)        echo "unknown OS: $OSTYPE"; exit 1 ;;
esac

rel=$(wget -qO- https://latest.fast.ai/latest/caddyserver/caddy/$re)

if [[ $OSTYPE == msys* ]]; then
    wget -qO- ${rel}
    unzip *.zip
else
    wget -qO- ${rel} | tar xz
fi