From 442ef0bd3616c4335dc9ab04f59454e1e5632e4b Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 16 Jul 2014 16:31:31 +0200
Subject: [PATCH] check_site_lib: add need_boolean check

---
 scripts/check_site_lib.lua | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/scripts/check_site_lib.lua b/scripts/check_site_lib.lua
index a2b5500b..ec2498ec 100644
--- a/scripts/check_site_lib.lua
+++ b/scripts/check_site_lib.lua
@@ -47,6 +47,18 @@ function need_number(varname, required)
    return var
 end
 
+function need_boolean(varname, required)
+   local var = loadvar(varname)
+
+   if required == false and var == nil then
+      return nil
+   end
+
+   assert_type(var, 'boolean', "site.conf error: expected `" .. varname .. "' to be a boolean")
+
+   return var
+end
+
 function need_array(varname, subcheck, required)
    local var = loadvar(varname)