Adds ability for Tweet plugin to be invoked on a twitter url.

lib/xombot/plugins/tweet.rb

@@ -7,12 +7,26 @@ class Tweet < XOmBot::Plugin
   help "Displays the latest tweet by the given user"
   usage "tweet noob -- displays the last tweet by noob"
 
+  def setup
+    url_plugin = XOmBot.plugins["URLAnnounce"]
+    if url_plugin
+      url_plugin.match_domain("twitter.com") do |m, url|
+        tweet_by_url m, url
+      end
+    end
+  end
+
   def tweet_by_id(m, id)
     status = Twitter.status(id)
     m.reply "@#{status.user.screen_name}: #{HTMLEntities.new.decode status.text}"
   end
 
   def tweet_by_username(m, username)
-   m.reply "@#{username}: #{HTMLEntities.new.decode Twitter.user_timeline(username).first.text}" 
+    m.reply "@#{username}: #{HTMLEntities.new.decode Twitter.user_timeline(username).first.text}" 
+  end
+
+  def tweet_by_url(m, url)
+    id = url[/^https?:\/\/.*\/status\/(\d+)/,1]
+    tweet_by_id m, id
   end
 end