prosody: Don't silently ignore unknown command-line options

diff --git a/prosody b/prosody
index 47998583168463b238f6998e038f3a544e18c99b..a2cb0e6cdb09319aa1650d7b51f4597728947aab 100755 (executable)
--- a/prosody
+++ b/prosody
@@ -43,6 +43,12 @@ if CFG_DATADIR then
        end
 end
 
+if #arg > 0 and arg[1] ~= "--config" then
+       print("Unknown command-line option: "..tostring(arg[1]));
+       print("Perhaps you meant to use prosodyctl instead?");
+       return 1;
+end
+
 -- Global 'prosody' object
 local prosody = { events = require "util.events".new(); };
 _G.prosody = prosody;