#!/bin/bash

# Installs golang from the web

ARCH=$(uname -m)
if [ "$ARCH" = "x86_64" ]; then
    ARCH=amd64
fi

function install_go() {
	local version="1.21.4"
	if command -v "go" > /dev/null 2>&1 && go version | grep "$version"; then
		echo "Go version $version is already installed"
		return 0
	fi

	if [[ "$UNAME_STR" == "Darwin" ]]; then
	    wget -P "$TMP_DIR/" "https://go.dev/dl/go${version}.darwin-$ARCH.pkg"
	    sudo installer -target / -pkg "$TMP_DIR/go${version}.darwin-$ARCH.pkg"
	elif [[ "$UNAME_STR" == "Linux" ]]; then
	    wget -P "$TMP_DIR/" "https://go.dev/dl/go${version}.linux-$ARCH.tar.gz"
	    sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf "$TMP_DIR/go${version}.linux-$ARCH.tar.gz"
	fi
}

install_go