A function for .bashrc to update go to latest version

updatego.sh

function updatego(){
	GOVERSION=`git ls-remote --tags https://go.googlesource.com/go | grep -E "refs\/tags\/go[[:digit:]]*\.[[:digit:]]*(\.[[:digit:]]*)?$" | cut -f2 -- | sort -V  | tail -n 1 | cut -d'/' -f3`
	FILENAME=$GOVERSION.linux-amd64.tar.gz
	FILEPATH="/home/$USER/$FILENAME"
	URL=https://golang.org/dl/$FILENAME
	echo "Downloading $URL"
	echo "Saving to $FILEPATH"
	echo "wget -nc -c -O $FILEPATH $URL"
	wget -nc -c -O $FILEPATH $URL
	sudo rm -rf /usr/local/go
	sudo tar -C /usr/local -xzf $FILEPATH
}