# rubocop:disable all class RemoveProjectIdFromKey < ActiveRecord::Migration def up puts 'Migrate deploy keys: ' Key.where('project_id IS NOT NULL').update_all(type: 'DeployKey') DeployKey.all.each do |key| project = Project.find_by(id: key.project_id) if project project.deploy_keys << key print '.' end end puts 'Done' remove_column :keys, :project_id end def down add_column :keys, :project_id, :integer end end