TIMESTAMP_FMT="${TIMESTAMP_FMT:-"%Y/%m/%d %H:%M:%S"}";

date() {

	command date +"${TIMESTAMP_FMT}";

};

fetch() {

	wget --no-check-certificate -N "${@}";

};

fetch_git() {

	local _subdir="${1}" _repo="${2}";

	if [ -d "${_subdir}" ]; then

		(cd "${_subdir}" && git pull origin main);

	else

		git clone "${_repo}" "${_subdir}";

	fi;

};

is_build_script_done() {

	local _op="${1}" _script_fname="${SCRIPT_FNAME##*/}";

	[ -f "${WORKDIR}/.${_script_fname%.build}.${_op}" ];

};

set_build_script_done() {

	local _script_fname="${SCRIPT_FNAME##*/}" _done_fname;

	_done_fname="${WORKDIR}/.${_script_fname%.build}";

	while [ $# -ge 1 ]; do

		if [ "x${1#-}" != "x${1}" ]; then

			rm -f "${_done_fname}.${1#-}";

		else

			printf "" >| "${_done_fname}.${1}";

			log_msg info "Finished build step ${1} of build script \`${_script_fname}'.";

		fi; shift;

	done;

};

log_msg() {

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

	case "${_lvl}" in

		fail) printf "\033[91m"; ;;

		info) printf "\033[97m"; ;;

		succ) printf "\033[92m"; ;;

	esac;

	if [ $# -gt 1 ]; then

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

	else

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

	fi;

};

parse_with_pkg_name() {

	_pkg_name="${1}"; local _envvs _envv; shift;

	while [ $# -ge 0 ]; do

		_pkg_url="${1}"; _envvs="${2}"; _pkg_fname="${_pkg_url##*/}";

		if [ "x${_pkg_fname%%-*}" = "x${_pkg_name}" ]; then

			IFS=:; for _envv in ${_envvs}; do

				export ${_envv};

			done;

			_pkg_subdir="${_pkg_fname%%.tar*}";

			return;

		fi; shift 2;

	done; exit 1;

};

rm_if_exists() {

	while [ $# -gt 1 ]; do [ "x${1%[a-z]}" = "x-" ] &&\

		eval local _${1#-}flag=1; shift; done;

	local _dir="${1}";

	if [ -d "${_dir}" ]; then

		rm -rf "${_dir}" || return 1;

	fi;

	if [ ${_mflag:-0} -eq 1 ]; then

		mkdir "${_dir}" || return 2;

	fi;

	if [ ${_cflag:-0} -eq 1 ]; then

		cd "${_dir}" || return 3;

	fi;

};

run_configure_with_extra_args() {

	local IFS="," _script="${1}" _extra_args="${2}";

	shift 2; "${_script}" "${@}" ${_extra_args};

};

set_build_dir() {

	export _build_dir="${1}-build-${2}";

};

set_env_vars() {

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

	while [ $# -ge 1 ]; do

		export "${1}=${_val}"; shift;

	done;

};

split() {

	local _IFS="${IFS}" IFS="${1}" _txt="${2}";

	set -- ${_txt}; IFS="${_IFS}"; echo "${*}";

};

# vim:filetype=sh