require ‘active_record’
namespace :db do
task :migrate_requires_shunt? => [:environment, :load_config] do pending_migrations = ActiveRecord::Migrator.new(:up, ActiveRecord::Migrator.migrations_paths).pending_migrations migrations_requiring_shunt = pending_migrations.select(&:shunt_required?) if migrations_requiring_shunt.any? puts "These pending migrations require shunt:" migrations_requiring_shunt.each do |pending_migration| puts ' %4d %s' % [pending_migration.version, pending_migration.name] end else puts "No pending migrations require shunt." end end
end