debian-mirror-gitlab/db/migrate/20180503141722_add_remote_mirror_available_overridden_to_projects.rb

class AddRemoteMirrorAvailableOverriddenToProjects < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_column(:projects, :remote_mirror_available_overridden, :boolean) unless column_exists?(:projects, :remote_mirror_available_overridden)
  end

  def down
    remove_column(:projects, :remote_mirror_available_overridden) if column_exists?(:projects, :remote_mirror_available_overridden)
  end
end