class <%= @class_name %><%= @class_suffix %> < ActiveRecord::Migration[<%= ActiveRecord::Migration.current_version.to_s %>]
  def change
<% @checks[:foreign_keys].each do |fk| %>
    reversible do |dir|
      dir.up do
<% if fk.nullable? %>
        # <%= fk.to_zombie.migration %>
        <%= fk.to_zombie.migration(set_null: true) %>
<% else %>
        # column <%= fk.from_column %> can't be set to null
        <%= fk.to_zombie.migration %>
<% end %>
      end
    end
    <%= fk.migration %>
<% end %>
  end
end