golang and github cli

strap.sh

#!/bin/bash

## each separate version number must be less than 3 digit wide !
function version { echo "$@" | gawk -F. '{ printf("%03d%03d%03d\n", $1,$2,$3); }'; }

if ! command -v gh &> /dev/null
then
	# install github cli
	echo "github cli (gh) not installed"
	ver="$(go version)"
	ver="${ver:13:4}"
	if [ "$(version "$ver")" -ge "$(version "1.14")" ]
	then
		echo "go min(1.14) version found $ver"
	else
		echo "needed go min(1.14) but found $ver"
		exit
	fi

	echo "Cloning gh-cli"
	cd
	git clone --depth 1 https://github.com/cli/cli gh-cli
	cd gh-cli
	echo "Building gh-cli"
	make
	mv bin/gh $HOME/bin
	cd
	echo "Done"
else
	echo "github cli (gh) is installed"
fi