#

# set -o errexit -o noglob are assumed.

#

ex_log_env_vars() {

	local _nvar=1 _arg _arg_len_max=0;

	ex_log_msg info "Variables for this ${1:-build}:"; shift;

	while [ ${_nvar} -le ${#} ]; do

		_arg="$(eval echo \${${_nvar}})";

		_arg="${_arg%%=*}";

		if [ ${#_arg} -gt ${_arg_len_max} ]; then

			_arg_len_max=${#_arg};

		fi; : $((_nvar+=1));

	done;

	while [ ${#} -gt 0 ]; do

		ex_log_msg info "$(printf					\

			"%${_arg_len_max}.${_arg_len_max}s=%s"	\

			"${1%%=*}" "$(ex_get_var_unsafe ${1#*=})")";

		shift;

	done;

};

ex_log_msg() {

	local _lvl="${1}"; shift;

	if [ "${_lvl}" = vnfo ]\

	&& [ ${ARG_VERBOSE:-0} -eq 0 ]; then

		return;

	elif [ "${_lvl}" = vvfo ]\

	&& [ ${ARG_VERBOSE2:-0} -eq 0 ]; then

		return;

	elif [ "${_lvl}" = vvvo ]\

	&& [ ${ARG_VERBOSE3:-0} -eq 0 ]; then

		return;

	fi;

	case "${_lvl}" in

		failexit) printf "\033[0m\033[${LOG_MSG_FAIL_COLOUR}m"; ;;

		fail) printf "\033[0m\033[${LOG_MSG_FAIL_COLOUR}m"; ;;

		info) printf "\033[0m\033[${LOG_MSG_INFO_COLOUR}m"; ;;

		vnfo) printf "\033[0m\033[${LOG_MSG_VNFO_COLOUR}m"; ;;

		vvfo) printf "\033[0m\033[${LOG_MSG_VVFO_COLOUR}m"; ;;

		vvvo) printf "\033[0m\033[${LOG_MSG_VVVO_COLOUR}m"; ;;

		succ) printf "\033[0m\033[${LOG_MSG_SUCC_COLOUR}m"; ;;

	esac;

	if [ ${#} -gt 1 ]; then

		printf "==> %s %s %s\033[0m\n" "$(ex_date)" "${1}" "$*";

	else

		printf "==> %s %s\033[0m\n" "$(ex_date)" "${1}";

	fi; [ ${_lvl} = failexit ] && exit 1 || return 0;

};

# vim:filetype=sh