fixes #1234

app/models/tag_alias.rb

@@ -139,4 +139,27 @@ class TagAlias < ActiveRecord::Base
     antecedent_tag.fix_post_count if antecedent_tag
     consequent_tag.fix_post_count if consequent_tag
   end
+
+  def rename_wiki_and_artist
+    antecedent_wiki = WikiPage.titled(antecedent_name).first
+    if antecedent_wiki.present? && WikiPage.titled(consequent_name).blank?
+      CurrentUser.scoped(creator, creator_ip_addr) do
+        antecedent_wiki.update_attributes(
+          :title => consequent_name,
+          :body => "[i]This page was automatically renamed from [[#{antecedent_name}]] by a tag alias.[/i]\n\n#{antecedent_wiki.body}"
+        )
+      end
+    end
+
+    if antecedent_tag.category == Tag.categories.artist
+      antecedent_artist = Artist.name_matches(antecedent_name).first
+      if antecedent_artist.present? && Artist.name_matches(consequent_name).blank?
+        CurrentUser.scoped(creator, creator_ip_addr) do
+          antecedent_artist.update_attributes(
+            :name => consequent_name
+          )
+        end
+      end
+    end
+  end
 end