Conan_Kudo / build / midipix_build

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#
# . ./build.vars and set -o errexit -o noglob are assumed.
# See warning at the top of build.vars.
#

date() { command date +"${1:-${TIMESTAMP_FMT}}"; };
get_var_unsafe() { eval echo \${${1}}; };
set_var_unsafe() { eval ${1}=\"${2}\"; };
push_IFS() { _pI_IFS="${IFS}"; IFS="${1}"; };
pop_IFS() { IFS="${_pI_IFS}"; unset _pI_IFS; };
set_build_dir() { PKG_BUILD_DIR=${1}-${2}-${PKG_TARGET}; };
split() { push_IFS "${1}"; set -- ${2}; pop_IFS; echo "${*}"; };
test_cmd() { command -v "${1}" >/dev/null; };
unsplit() { push_IFS "${1}"; shift; set -- "${@}"; echo "${*}"; pop_IFS; };

get_vars_unsafe() {
	while [ ${#} -gt 0 ]; do
		_gvu_vval="$(eval echo \${${1}})";
		[ -z "${_gvu_vval}" ] || _gvu_vval_="${_gvu_vval}";
		shift;
	done; echo "${_gvu_vval_}";
	unset _gvu_vval _gvu_vval_;
};

set_env_vars_with_sep() {
	_sevws_sep=${1}; shift; push_IFS ${_sevws_sep}; set -- ${1};
	while [ ${#} -gt 0 ]; do
		export "${1}"; shift;
	done; unset _sevws_sep; pop_IFS;
};

lfilter() {
	_lf_list="${1}"; _lf_filter="${2}"; _lf_lnew="";
	for _lf_litem in ${_lf_list}; do
		for _lf_lfilter in ${_lf_filter}; do
			if [ "${_lf_lfilter}" = "${_lf_litem}" ]; then
				_lf_lnew="${_lf_lnew:+${_lf_lnew} }${_lf_litem}"; break;
			fi; 
		done;
	done;
	echo ${_lf_lnew}; unset _lf_list _lf_filter _lf_lnew _lf_litem _lf_lfilter;
};

log_msg() {
	_lm_lvl=${1}; shift;
	if [ "${_lm_lvl#v}" != "${_lm_lvl}" ]\
	&& [ ${ARG_VERBOSE:-0} -eq 0 ]; then
		return;
	fi;
	case ${_lm_lvl} in
		failexit) printf "\033[0m\033[${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[${LOG_MSG_INFO_COLOUR}m"; ;;
		succ) printf "\033[0m\033[${LOG_MSG_SUCC_COLOUR}m"; ;;
		warn) printf "\033[0m\033[${LOG_MSG_WARN_COLOUR}m"; ;;
		varn) printf "\033[0m\033[${LOG_MSG_WARN_COLOUR}m"; ;;
	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; [ ${_lm_lvl} = failexit ] && exit 1 || unset _lm_lvl;
};

install_files() {
	if [ "${1}" = "-v" ]; then
		_if_verbose="${1}"; shift;
	fi; _if_prefix="${1}"; shift;
	while [ ${#} -gt 0 ]; do
	case "${1}" in
	@*=*)
		__ln_target="${1%=*}";
		__ln_target="${__ln_target#@}";
		__ln_fname="${1#*=}";
		if [ -e ${__ln_fname} ]; then
			if [ ${_if_verbose:-0} -eq 1 ]; then
				echo build_fileop rm ${__ln_fname};
			fi;
			build_fileop rm ${__ln_fname};
		fi;
		build_fileop ln_symbolic ${__ln_target} ${_if_prefix:+${_if_prefix}/}${__ln_fname};
		;;
	/=*)
		__mkdir_fname="${1#/=}";
		build_fileop mkdir ${_if_prefix:+${_if_prefix}/}${__mkdir_fname};
		;;
	*)
		__file_fname_src="${1%=*}";
		__file_fname_dst="${1#*=}";
		build_fileop cp ${__file_fname_src} ${_if_prefix:+${_if_prefix}/}${__file_fname_dst};
		;;
	esac; shift;
	done; unset _if_verbose _if_prefix;
};

match_list() {
	_ml_cmp="${3}"; push_IFS "${2}"; set -- ${1}; pop_IFS;
	while [ ${#} -gt 0 ]; do
		if [ "${1}" = "${_ml_cmp}" ]; then
			unset _ml_cmp; return 0;
		fi; shift;
	done; unset _ml_cmp; return 1;
};

build_fileop() {
	_bf_op=${1}; shift;
	if [ "${_bf_op}" = cd ]; then
		log_msg varn "Changing working directory to \`${1}'.";
		[ \( -n "${1}" \) -a \( -e "${1}" \) ] && cd -- ${1};
	elif [ "${_bf_op}" = cp ]; then
		log_msg varn "Copying \`${1}' to \`${2}' w/ -pPR.";
		[ ${#} -ge 2 ] && cp -pPR -- "${@}";
	elif [ "${_bf_op}" = ln_symbolic ]; then
		log_msg varn "Linking \`${1}' to \`${2}' w/ -fs";
		[ \( -n "${1}" \) -a \( -n "${2}" \) ] && ln -fs -- ${1} ${2};
	elif [ "${_bf_op}" = mkdir ]\
	||   [ "${_bf_op}" = rm ]; then
		while [ ${#} -gt 0 ]; do
			if [ -z "${1}" ]; then
				return 1;
			elif [ "${_bf_op}" = mkdir ]\
			&&   [ ! -e "${1}" ]; then
				log_msg varn "Making directory \`${1}'.";
				mkdir -p -- "${1}";
			elif [ "${_bf_op}" = rm ]\
			&&   [ -e "${1}" ]; then
				log_msg varn "Removing directory or file \`${1}'.";
				rm -rf -- "${1}";
			fi; shift;
		done;
	else
		log_msg failexit "Error: build_fileop() called w/ invalid parameter(s) \`${@}'.";
	fi;
};

is_build_script_done() {
	if [ "${1}" = "clean" ]\
	|| [ "${1}" = distclean ]; then
		if match_list "${ARG_RESTART}" , ${BUILD_PACKAGE_LC}	\
		&& [ -n "${ARG_RESTART_AT}" ]				\
		&& match_list "${ARG_RESTART_AT}" , "${1}"; then
			return 1;		# Build
		else
			return 0;		# Skip
		fi;
	elif [ "${ARG_RESTART}" = "ALL" ]; then
		return 1;			# Build
	elif match_list "${ARG_RESTART}" , ${BUILD_PACKAGE_LC}; then
		if [ -n "${ARG_RESTART_AT}" ]; then
			if [ "${ARG_RESTART_AT}" = "ALL" ]; then
				return 1;	# Build
			elif match_list "${ARG_RESTART_AT}" , "${1}"; then
				return 1;	# Build
			else
				return 0;	# Skip
			fi;
		else
			return 1;		# Build
		fi;
	elif [ -f ${WORKDIR}/.${2:-${BUILD_PACKAGE_LC}}.${1} ]; then
		return 0;		# Skip
	else
		return 1;		# Build
	fi;
};

set_build_script_done() {
	_sbsd_script_fname=${BUILD_PACKAGE_LC};
	_sbsd_done_fname=${WORKDIR}/.${_sbsd_script_fname};
	while [ $# -ge 1 ]; do
		if [ "${1#-}" != "${1}" ]; then
			build_fileop rm ${_sbsd_done_fname}.${1#-};
		else
			touch ${_sbsd_done_fname}.${1};
			log_msg info "Finished build step ${1} of \`${_sbsd_script_fname}'.";
		fi; shift;
	done; unset _sbsd_script_fname _sbsd_done_fname;
};

log_env_vars() {
	log_msg info "Variables for this ${1:-build}:"; shift;
	while [ ${_lev_nvar:=0} -lt ${#} ]; do
		_lev_arg="$(eval echo \${${_lev_nvar}})";
		_lev_arg="${_lev_arg%%=*}";
		if [ ${#_lev_arg} -gt ${_lev_arg_len_max:=0} ]; then
			_lev_arg_len_max=${#_lev_arg};
		fi; : $((_lev_nvar+=1));
	done; unset _lev_nvar _lev_arg;
	while [ ${#} -gt 0 ]; do
		log_msg info "$(printf					\
			"%${_lev_arg_len_max}.${_lev_arg_len_max}s=%s"	\
			"${1%%=*}" "$(get_var_unsafe ${1#*=})")";
		shift;
	done; unset _lev_arg_len_max;
};

parse_with_pkg_name() {
	PKG_NAME=${1}; shift; PKG_TARGET=${TARGET};
	MIDIPIX_BUILD_PWD=$(pwd); build_fileop cd ${WORKDIR};
	for __ in vars/${PKG_NAME}.vars; do
		[ -e ${MIDIPIX_BUILD_PWD}/${__} ] && . ${MIDIPIX_BUILD_PWD}/${__};
	done;
	_pwpn_pkg_name_uc=$(echo ${PKG_NAME} | tr a-z A-Z);
	if [ -z "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_URL)" ]\
	&& [ -z "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_URLS_GIT)" ]\
	&& [ -z "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_VERSION)" ]; then
		unset _pwpn_pkg_name_uc;
		log_msg failexit "Error: package \`${PKG_NAME}' missing in build.vars.";
	else
		for _pwpn_vname in PREFIX ${PKG_BUILD_VARS}; do
			if [ -n "$(get_var_unsafe DEFAULT_${_pwpn_vname})" ]; then
				set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe DEFAULT_${_pwpn_vname})";
			fi;
			if [ -n "$(get_var_unsafe ${BUILD_TARGET}_${_pwpn_vname})" ]; then
				set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe ${BUILD_TARGET}_${_pwpn_vname})";
			fi;
			if [ "${BUILD}" = "debug" ]	\
			&& [ -n "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_DEBUG)" ]; then
				set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_DEBUG)";
			elif [ "${BUILD}" = "release" ]	\
			&& [ -n "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_RELEASE)" ]; then
				set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname}_RELEASE)";
			elif [ -n "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname})" ]; then
				set_var_unsafe PKG_${_pwpn_vname} "$(get_var_unsafe PKG_${_pwpn_pkg_name_uc}_${_pwpn_vname})";
			fi;
		done; unset _pwpn_vname;
	fi;
	[ -z "${PKG_FNAME}" ] && PKG_FNAME=${PKG_URL##*/};
	[ -z "${PKG_SUBDIR}" ] && PKG_SUBDIR=${PKG_FNAME%%.tar*};
	[ -n "${PKG_ENV_VARS_EXTRA}" ] && set_env_vars_with_sep : "${PKG_ENV_VARS_EXTRA}";
	for _pwpn_env_var in $(set); do
		if [ "${_pwpn_env_var#PKG_${_pwpn_pkg_name_uc}}" != "${_pwpn_env_var}" ]; then
			_pwpn_env_vars="${_pwpn_env_vars:+${_pwpn_env_vars} }${_pwpn_env_var%%=*}";
		fi;
	done;
	if [ -n "${_pwpn_env_vars}" ]; then
		log_env_vars "build" ${_pwpn_env_vars};
	fi; unset _pwpn_pkg_name_uc _pwpn_env_var _pwpn_env_vars;
};

run_cmd_unsplit() {
	_rcu_cmd=${1}; shift;
	while [ ${#} -gt 0 ]; do
		[ -n "${1}" ] &&\
			_rcu_cmdline="${_rcu_cmdline:+${_rcu_cmdline}:}${1}";
		shift;
	done;
	push_IFS :; ${_rcu_cmd} ${_rcu_cmdline}; _rcu_rc=$?; pop_IFS;
	unset _rcu_cmd _rcu_cmdline; return ${_rcu_rc};
};

subst_tgts() {
	while [ ${#} -ge 1 ]; do
	case "${1}" in
	devroot)
		echo ${DEVROOT_PACKAGES}; ;;
	world)	echo ${WORLD_PACKAGES}; ;;
	*)	echo ${1}; ;;
	esac; shift;
	done;
};

# vim:filetype=sh