Redmine

In my use case I have to move configuration.yml to another folder, how can I do this?

I can change the location of the data directory, I would also like to change the location of the configuration.yml file from /usr/src/redmine/config/configuration.yml to /mnt/redmine-config/configuration.yml without having to edit the code. Is it possible or will I have to edit the code over here :

grep config /usr/src/redmine/lib/redmine/configuration.rb
    @config = nil
      # Loads the Redmine configuration file
      # * <tt>:file</tt>: the configuration file to load (default: config/configuration.yml)
      # * <tt>:env</tt>: the environment to load the configuration for (default: Rails.env)
        filename = options[:file] || File.join(Rails.root, 'config', 'configuration.yml')

I don't have much Ruby knowledge so I don't know what this means exactly options[:file].