Rename method to Project#track_project_repository

This is a more sensible name to make clear it tracks it in the
database and not just saves it on disk.

app/models/project.rb

@@ -120,7 +120,7 @@ class Project < ActiveRecord::Base
   after_create :ensure_storage_path_exists
   after_save :ensure_storage_path_exists, if: :namespace_id_changed?
 
-  after_create :save_project_repository
+  after_create :track_project_repository
 
   acts_as_ordered_taggable
 
@@ -1210,7 +1210,7 @@ class Project < ActiveRecord::Base
     false
   end
 
-  def save_project_repository
+  def track_project_repository
     return unless hashed_storage?(:repository)
 
     project_repo = project_repository || build_project_repository

app/services/projects/hashed_storage/migrate_repository_service.rb

@@ -32,7 +32,7 @@ module Projects
 
         if result
           project.write_repository_config
-          project.create_project_repository
+          project.track_project_repository
         else
           rollback_folder_move
           project.storage_version = nil

spec/models/project_spec.rb

@@ -1730,11 +1730,11 @@ describe Project do
     end
   end
 
-  describe '#save_project_repository' do
+  describe '#track_project_repository' do
     let(:project) { create(:project, :repository) }
 
     it 'creates a project_repository' do
-      project.save_project_repository
+      project.track_project_repository
 
       expect(project.reload.project_repository).to be_present
       expect(project.project_repository.disk_path).to eq(project.disk_path)
@@ -1742,12 +1742,12 @@ describe Project do
     end
 
     it 'updates the project_repository' do
-      project.save_project_repository
+      project.track_project_repository
 
       allow(project).to receive(:disk_path).and_return('@fancy/new/path')
 
       expect do
-        project.save_project_repository
+        project.track_project_repository
       end.not_to change(ProjectRepository, :count)
 
       expect(project.reload.project_repository.disk_path).to eq(project.disk_path)