diff -r 000000000000 -r 7d84f4403d67 plugins/version.lua
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/version.lua	Mon Dec 21 19:27:08 2009 +0000
@@ -0,0 +1,50 @@
+local st = require "util.stanza";
+require "util.xstanza";
+
+local xmlns_version = "jabber:iq:version";
+
+function riddim.plugins.version(bot)
+	bot.stream:add_plugin("version");
+	bot.stream.version:set{
+		name = "Riddim";
+		version = "alpha";
+	};
+
+	bot:hook("commands/version", function (command)
+		local who, param = bot.stream.jid, command.param or (command.room and command.room.nick);
+		if param then
+			if command.room and command.room.occupants[param] then
+				who = command.room.occupants[param].jid;
+			elseif command.room and command.room.occupants[param:gsub("%s$", "")] then
+				who = command.room.occupants[param:gsub("%s$", "")].jid;
+			else
+				who = param;
+			end
+		end
+		
+		bot.stream:query_version(who,
+			function (reply)
+				if not reply.error then
+					local saywho = (who == command.sender.jid and "You are") or (param.." is");
+					command:reply(saywho.." running "..(reply.name or "something")
+						.." version "..(reply.version or "unknown")
+						.." on "..(reply.platform or "an unknown platform"));
+				else
+					local type, condition, text = reply.type, reply.condition, reply.text;
+					local r = "There was an error requesting "..param.."'s version";
+					if condition == "service-unavailable" then
+						r = param.." doesn't reply to version requests";
+					elseif condition == "remote-server-not-found" then
+						r = param.." can't be reached via XMPP"
+					elseif condition and not text then
+						r = r..": "..condition;
+					end
+					if text then
+						r = r .. " ("..text..")";
+					end
+					command:reply(r);
+				end
+			end);
+		return true;
+	end);	
+end