Install Golang version

upgrade_go.sh

#!/bin/bash

# e.g 1.15.4
# ./upgrade_go.sh 1.15.4
version=$1

if [ "$version" == "" ]; then
    echo "invalid version"
    exit 1
fi

file=go$version.linux-amd64.tar.gz

# download version
echo "download $file..."
curl https://dl.google.com/go/$file -o /tmp/$file

# remove existing go version
echo "removing existing go version..."
[ -d "/usr/local/go" ] && sudo rm -rf /usr/local/go || echo "previous go don't exist"

# extract file
echo "extracting file..."
sudo tar -C /usr/local -xzf /tmp/$file || exit 1

# remove tmp file
echo "removing tmp"
rm /tmp/$file

echo "Add this to your your \$HOME/.profile 'export PATH=\$PATH:/usr/local/go/bin'"