First step with rugged

app/models/repository.rb

@@ -34,6 +34,10 @@ class Repository
     @repo ||= Grit::Repo.new(path_to_repo)
   end
 
+  def rugged
+    @rugged ||= Rugged::Repository.new(path_to_repo)
+  end
+
   def commit(commit_id = nil)
     Commit.find_or_first(repo, commit_id, root_ref)
   end
@@ -64,17 +68,17 @@ class Repository
 
   # Returns an Array of branch names
   def branch_names
-    repo.branches.collect(&:name).sort
+    branches.map(&:name).sort
   end
 
   # Returns an Array of Branches
   def branches
-    repo.branches.sort_by(&:name)
+    rugged.branches.sort_by(&:name)
   end
 
   # Returns an Array of tag names
   def tag_names
-    repo.tags.collect(&:name).sort.reverse
+    rugged.tags.sort.reverse
   end
 
   # Returns an Array of Tags