版本库创建添加事务处理（两边数据一致性）

app/controllers/repositories_controller.rb

@@ -265,12 +265,23 @@ update
       @repository.type = 'Repository::Gitlab'
       @repository.identifier = @repository.identifier.downcase
       @repository.url = @repository.identifier
-      if request.post? && @repository.save
-        s = Trustie::Gitlab::Sync.new
-        s.create_project(@project, @repository)
-        redirect_to(:controller => 'repositories', :action => 'show', :id => @project, :repository_id => gitlab_repository(@project).try(:identifier))
-      else
-        redirect_to settings_project_url(@project, :tab => 'repositories',:repository_error_message=>@repository.errors.full_messages)
+      ActiveRecord::Base.transaction do
+        begin
+          if request.post? && @repository.save
+            s = Trustie::Gitlab::Sync.new
+            s.create_project(@project, @repository)
+            raise "sync failed" if @project.gpid.blank?
+            redirect_to(:controller => 'repositories', :action => 'show', :id => @project, :repository_id => gitlab_repository(@project).try(:identifier))
+          else
+            redirect_to settings_project_url(@project, :tab => 'repositories',:repository_error_message=>@repository.errors.full_messages)
+          end
+        rescue Gitlab::Error::Forbidden => e
+          @message = l(:label_pull_request_forbidden)
+        rescue Gitlab::Error::NotFound => e
+          @message = l(:label_pull_request_notfound)
+        rescue Exception => e
+          puts e
+        end
       end
     end
   end