Chris@245: class SaltUserPasswords < ActiveRecord::Migration
Chris@245:   
Chris@245:   def self.up
Chris@245:     say_with_time "Salting user passwords, this may take some time..." do
Chris@245:       User.salt_unsalted_passwords!
Chris@245:     end
Chris@245:   end
Chris@245: 
Chris@245:   def self.down
Chris@245:     # Unsalted passwords can not be restored
Chris@245:     raise ActiveRecord::IrreversibleMigration, "Can't decypher salted passwords. This migration can not be rollback'ed."
Chris@245:   end
Chris@245: end