block RSS_BACKEND_TYPEs other than magpie

diff --git a/sanity_check.php b/sanity_check.php
index 7a3913337dffc103713d582b0256255f18eb3021..e234307363c364bd81530fcddd40d98a5fbca84a 100644 (file)
--- a/sanity_check.php
+++ b/sanity_check.php
@@ -47,4 +47,10 @@
                from your TT-RSS instance.";
                exit;
        }
+
+       if (RSS_BACKEND_TYPE != "magpie") {
+               print "<b>Fatal Error</b>: RSS backends other than magpie are not
+               supported now.";
+               exit;
+       }
 ?>