#! /bin/bash --
[ ! -z "${GREZZO_MAIN}" ] && return; GREZZO_MAIN=0

function this_script_path() {
    unset CDPATH
    echo "$(cd "$(dirname "$(readlink -f -- "${BASH_SOURCE[1]}")")" > /dev/null && pwd -P)"
}

function feat_missing() {
	! command -v "$1" >/dev/null 2>&1
}

function feat_needed() {
	FEAT="$1"
	if feat_missing "$FEAT"; then
		eval "feat_add_$FEAT"
	fi
}