interactive_migration.rb

require 'cli/ui'

unless ActiveRecord::SchemaMigration.table_exists?
  abort "Schema migrations table does not exist yet."
end

def migrations
  ActiveRecord::Base.connection.migration_context.migrations_status.map do |status, version, name|
    "#{status.ljust(8)}  #{version.ljust(14)}  #{name}"
  end
end


while migration = CLI::UI.ask('Select migration', options: [*migrations.last(10), 'EXIT'])
  exit 0 if migration == 'EXIT'
  operation = CLI::UI.ask("Select Operation for '#{migration}'", options: ['up', 'down'])
  _, version = migration.split

  ActiveRecord::Base.connection.migration_context.run(
    operation.to_sym,
    version.to_i
  )

  Rails.application.load_tasks
  Rake::Task['db:_dump'].invoke
end