Move the RepositoryMirroring concern to the EE namespace

app/models/concerns/repository_mirroring.rb

-module RepositoryMirroring
-  def storage_path
-    @project.repository_storage_path
-  end
-
-  def push_remote_branches(remote, branches)
-    gitlab_shell.push_remote_branches(storage_path, disk_path, remote, branches)
-  end
-
-  def delete_remote_branches(remote, branches)
-    gitlab_shell.delete_remote_branches(storage_path, disk_path, remote, branches)
-  end
-end

app/models/repository.rb

@@ -18,7 +18,6 @@ class Repository
 
   include Gitlab::ShellAdapter
   include Elastic::RepositoriesSearch
-  include RepositoryMirroring
   prepend EE::Repository
 
   attr_accessor :full_path, :disk_path, :project, :is_wiki

ee/app/models/concerns/ee/repository_mirroring.rb

+module EE
+  module RepositoryMirroring
+    def storage_path
+      @project.repository_storage_path
+    end
+
+    def push_remote_branches(remote, branches)
+      gitlab_shell.push_remote_branches(storage_path, disk_path, remote, branches)
+    end
+
+    def delete_remote_branches(remote, branches)
+      gitlab_shell.delete_remote_branches(storage_path, disk_path, remote, branches)
+    end
+  end
+end

ee/app/models/ee/repository.rb

@@ -4,6 +4,7 @@ module EE
   # This module is intended to encapsulate EE-specific model logic
   # and be prepended in the `Repository` model
   module Repository
+    prepend RepositoryMirroring
     extend ActiveSupport::Concern
 
     # Transiently sets a configuration variable