Shell script to install the latest version of Go on a linux system (AMD64)

install-go.sh

LATEST_VERSION=$(curl 'https://go.dev/VERSION?m=text' | head -n1)
if [ ! -n "$LATEST_VERSION" ]
then
	echo "Failed to retrieve latest go version"
	exit 1
fi

FILE_NAME="$LATEST_VERSION.linux-amd64.tar.gz"
echo "Retrieving tar for latest go version..."
wget https://dl.google.com/go/$FILE_NAME -O $FILE_NAME

MIN_FILE_SIZE=30000000
FILE_SIZE=$(stat -c%s "$FILE_NAME") 
if [ $FILE_SIZE -lt $MIN_FILE_SIZE ]; then
	echo "Failed to download archive file for latest go version"
	exit 1;
fi

# Unzip and install go files according to https://go.dev/doc/install
echo "Clearing current go folder..."
sudo rm -rf /usr/local/go

echo "Unpacking latest go files..."
sudo tar -C /usr/local -xzf $FILE_NAME

echo "Done!"