go installation script

goupdate.sh

#!/bin/bash

ARCH="amd64"
LATEST_VERSION="go1.19.3"

# "$(curl -sL https://golang.org/VERSION?m=text)"
ZIP_FILE="${LATEST_VERSION}.linux-${ARCH}.tar.gz"

if [ -f "$ZIP_FILE" ]; then
  echo "go version $LATEST_VERSION already downloaded"
else
  wget --no-check-certificate --continue --show-progress "https://golang.org/dl/$ZIP_FILE"
fi

if [ $? -eq 0 ]; then
  echo "Uninstalling previous go version"
  echo

  sudo rm -rf /usr/local/go
  sudo tar -C /usr/local -xzf "$ZIP_FILE" && rm -f "$ZIP_FILE"
else
  echo "Installation aborted" >&2
fi