pending_migrations.rb

#!/usr/bin/env ruby
require File.dirname(__FILE__) + "/../config/boot"
require File.dirname(__FILE__) + "/../config/environment"

dir = File.dirname(__FILE__) + "/../db/migrate"
migrations = ActiveRecord::Migrator.new(:up, dir).pending_migrations

if migrations.present?
  puts "#{migrations.size} pending migrations:"
  migrations.each do |m|
    puts "  %4d %s" % [m.version, m.name]
  end
  exit 0
else
  puts "no pending migrations"
  exit 1
end