lib/generators/sorcery/templates/migration/user_activation.rb
class SorceryUserActivation < <%= migration_class_name %>
def change
add_column :<%= model_class_name.tableize %>, :activation_state, :string, :default => nil
add_column :<%= model_class_name.tableize %>, :activation_token, :string, :default => nil
add_column :<%= model_class_name.tableize %>, :activation_token_expires_at, :datetime, :default => nil
add_index :<%= model_class_name.tableize %>, :activation_token
end
end