rfc2812.rb: skip unknown channel modes altogether

Some servers set non-advertized channel modes. Since we
cannot handle them (as we don't know what type they are)
and setting them crashes the bot, we remove them.

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/rbot/rfc2812.rb b/lib/rbot/rfc2812.rb
index ce71026a..0100fc3c 100644
--- a/lib/rbot/rfc2812.rb
+++ b/lib/rbot/rfc2812.rb
@@ -1509,7 +1509,8 @@ module Irc
                 when *@server.supports[:prefix][:modes]
                   who_wants_params << data[:modes].length - 1
                 else
-                  warning "Unknown mode #{m} in #{serverstring.inspect}"
+                  warning "Ignoring unknown mode #{m} in #{serverstring.inspect}"
+                  data[:modes].pop
                 end
               end
             end