Fix non interactive brew install error

[ElvisDot]

lewagon-setup/doc.sh

Lines 563 to 592 in 244735e

	# TODO:
	# https://github.com/ElvisDot/lewagon-setup/issues/24
	# will fail with the following brew warning
	#
	# Warning: Running in non-interactive mode because `stdin` is not a TTY.
	# Need sudo access on macOS (e.g. the user $USER needs to be an Administrator)!
	#
	# then the doctor will fail in the next step
	# can we either invoke this with sudo or force the doctor to be interactive?
	# otherwise this does not make sense
	if ! /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
	then
	error "Error: failed to install brew."
	error " Please run the following command and check the errors"
	error ""
	error " ${_color_WHITE}/bin/bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\""
	error ""
	exit 1
	fi
	# failed install
	if [ ! -f ${HOMEBREW_PREFIX}/bin/brew ]
	then
	error "Error: Unexpected brew install. Try restarting your terminal"
	error " if that does not help please report the issue here"
	error ""
	error " https://github.com/ElvisDot/lewagon-setup/issues"
	error ""
	exit 1
	fi