# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1367071140 -3600
# Node ID 7e7f45f587a1e7c2b3b810fd34143f9de180422e
# Parent  d54011a23b201715d86f45b5f4d807bede6cd9f7
moduleapi: Add module:get_option_inherited_set() to return a set that inherits items from a globally set set, if set

diff -r d54011a23b20 -r 7e7f45f587a1 core/moduleapi.lua
--- a/core/moduleapi.lua	Sat Apr 27 14:57:24 2013 +0100
+++ b/core/moduleapi.lua	Sat Apr 27 14:59:00 2013 +0100
@@ -270,6 +270,18 @@
 	return set.new(value);
 end
 
+function api:get_option_inherited_set(name, ...)
+	local value = self:get_option_set(name, ...);
+	local global_value = self:context("*"):get_option_set(name, ...);
+	if not value then
+		return global_value;
+	elseif not global_value then
+		return value;
+	end
+	value:include(global_value);
+	return value;
+end
+
 function api:context(host)
 	return setmetatable({host=host or "*"}, {__index=self,__newindex=self});
 end