[SHELL] Install golang

install-golang.sh

#!/bin/bash

# GoLang installer

# https://golang.org/doc/install
# https://www.vultr.com/docs/install-the-latest-version-of-golang-on-ubuntu

# if [ "$EUID" -ne 0 ]
#   then echo "*** root permissions required ***"
#   exit
# fi

[ $1 ] && VERSION="$1" || VERSION="1.17.5"
FILE="go$VERSION.linux-amd64.tar.gz"

cd /usr/src
sudo rm -rf "$FILE" /usr/local/go

sudo wget "https://golang.org/dl/$FILE"
sudo tar -C /usr/local -xzf "$FILE"
sudo chown $USER: -R /usr/local/go

echo "export PATH=$PATH:/usr/local/go/bin" >> ~/.profile
echo "export GOPATH=~/.go" >> ~/.profile
source ~/.profile

echo "$(go version)"
echo "NOTE: now run \`source ~/.profile\` to apply new env vars"