A bit clearer naming for gollum_wiki.

app/models/wiki_page.rb

@@ -175,7 +175,8 @@ class WikiPage
   end
   def save(method, *args)
-    if valid? && wiki.send(method, *args)
+    project_wiki = wiki
+    if valid? && project_wiki.send(method, *args)
       page_details = if method == :update_page
                        @page.path
@@ -183,14 +184,15 @@ class WikiPage
                        title
                      end
-      page_title, page_dir = wiki.page_title_and_dir(page_details)
-      @page = wiki.wiki.paged(page_title, page_dir)
+      page_title, page_dir = project_wiki.page_title_and_dir(page_details)
+      gollum_wiki = project_wiki.wiki
+      @page = gollum_wiki.paged(page_title, page_dir)
       set_attributes
       @persisted = true
     else
-      errors.add(:base, wiki.error_message) if wiki.error_message
+      errors.add(:base, project_wiki.error_message) if project_wiki.error_message
       @persisted = false
     end
     @persisted