1 files changed, 101 insertions, 0 deletions
diff --git a/build.subr b/build.subr
new file mode 100644
index 00000000..e8a9fca1
--- /dev/null
+++ b/build.subr
@@ -0,0 +1,101 @@
+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