subr/*: reorganised as {ex{,_{pkg,rtl,setup}},pkg}_*.

1 files changed, 39 insertions, 0 deletions

diff --git a/subr/ex_pkg_vars.subr b/subr/ex_pkg_vars.subr
new file mode 100644
index 00000000..07c2cacd
--- /dev/null
+++ b/subr/ex_pkg_vars.subr
@@ -0,0 +1,39 @@
+#
+# set -o errexit -o noglob are assumed.
+#
+
+exp_pkg_vars() {
+	local _pkg_name="${1}" _pkg_name_uc _build_uc _vname_dst _vname_src;
+	_pkg_name_uc="$(ex_toupper "${_pkg_name}")";
+	_build_uc="$(ex_toupper "${BUILD}")";
+	for _vname_dst in PREFIX ${PKG_BUILD_VARS}; do
+		for _vname_src in					\
+				"DEFAULT_${_vname_dst}"			\
+				"${BUILD_TARGET}_${_vname_dst}"		\
+				"PKG_${_pkg_name_uc}_${_vname_dst}"	\
+				"PKG_${_pkg_name_uc}_${_vname_dst}_${_build_uc}"; do
+			if [ -n "$(ex_get_var_unsafe "${_vname_src}")" ]; then
+				ex_set_var_unsafe "PKG_${_vname_dst}" "$(ex_get_var_unsafe ${_vname_src})";
+				if ! ex_lmatch "${PKG_ENV_VARS}" " " "${_vname_src}"; then
+					PKG_ENV_VARS="${PKG_ENV_VARS:+${PKG_ENV_VARS} }${_vname_src}";
+				fi;
+			fi;
+		done;
+	done;
+};
+
+ex_pkg_vars() {
+	local _vars_path;
+	for _vars_path in vars/${PKG_NAME}.vars; do
+		if [ -e "${_vars_path}" ]\
+		|| [ -L "${_vars_path}" ]; then
+			. "${_vars_path}";
+		fi;
+	done;
+	if [ -n "${PKG_NAME_PARENT}" ]; then
+		exp_pkg_vars "${PKG_NAME_PARENT}";
+	fi;
+	exp_pkg_vars "${PKG_NAME}";
+};
+
+# vim:filetype=sh