You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: user_access_snippet.rb
    path of file: ./repos/gitlabhq/lib/gitlab
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module Gitlab
  class UserAccessSnippet 
    
    def can_do_action?(action)
      return true if snippet_migration?
      return false unless can_access_git?

      permission_cache[action] =
        permission_cache.fetch(action) do
          Ability.allowed?(user, action, snippet)
        end
    end