Move workhorse protocol code into lib

app/controllers/projects/git_http_controller.rb

@@ -115,12 +115,12 @@ class Projects::GitHttpController < Projects::ApplicationController
     end
   end
 
-  def repo_path
-    @repo_path ||= begin
+  def repository
+    @repository ||= begin
       if params[:project_id].end_with?('.wiki.git')
-        project.wiki.wiki.path
+        project.wiki.repository
       else
-        repository.path_to_repo
+        project.repository
       end
     end
   end
@@ -142,10 +142,7 @@ class Projects::GitHttpController < Projects::ApplicationController
   end
     
   def render_ok
-    render json: {
-      'GL_ID' => Gitlab::ShellEnv.gl_id(@user),
-      'RepoPath' => repo_path,
-    }
+    render json: Gitlab::Workhorse.git_http_ok(repository, user)
   end
   
   def render_not_found

lib/gitlab/workhorse.rb

@@ -6,6 +6,13 @@ module Gitlab
     SEND_DATA_HEADER = 'Gitlab-Workhorse-Send-Data'
 
     class << self
+      def git_http_ok(repository, user)
+        {
+          'GL_ID' => Gitlab::ShellEnv.gl_id(user),
+          'RepoPath' => repository.path_to_repo,
+        }
+      end
+
       def send_git_blob(repository, blob)
         params = {
           'RepoPath' => repository.path_to_repo,