# -*- mode: bash -*-

function abort() {
	local status="${1:?"abort requires status"}"
	local reason="${2:?"abort requires reason"}"
	shift 2
	# here we want the string as template
	# shellcheck disable=SC2059
	printf "error: ${reason}\n" "$@" >&2
	exit "${status}"
}

function has_software() {
	for software in "$@"; do
		type "${software}" >/dev/null 2>&1 ||
		abort 1 $"%s not found in path\n" "${software}"
	done
}

function import() {
	local name path file
	for name in "$@"; do
		local IFS=:; set -o noglob
		for path in ${IMPORTPATH}; do
			file="${path}/${name}"
			[[ -e "${file}" && -r "${file}" ]] && {
				source "${file}" && continue 2 || return 1
			}
		done
	done
}