openproject/lib/global_roles/roles_helper_patch.rb

require_dependency "roles_helper"

module GlobalRoles
  module RolesHelperPatch
    def self.included(base) # :nodoc:
      base.class_eval do
        unloadable

        def permissions_id permissions
          "permissions_" + permissions[0].hash.to_s
        end
      end
    end
  end
end

RolesHelper.send(:include, GlobalRoles::RolesHelperPatch)