reagent

class Credential
  include ActiveModel::Validations

  attr_accessor :screen_name, :oauth_token, :oauth_secret, :token, :description

  validates_presence_of :screen_name, :oauth_token, :oauth_secret, :message => 'required'
  validate :user_exists, :unless => :errors?

  def initialize(attributes = {})
    attributes.each {|k, v| set_recognized_attribute(k, v) }

andrik

require 'bundler/capistrano'

default_run_options[:pty] = true
ssh_options[:forward_agent] = true

set :user, "<<your webfaction user>>"
set :domain, "#{user}@<<your domain>>"
set :application, "<<your application>>"
set :repository, "<< your ssh repository link >>"
set :deploy_to, "/home/#{user}/webapps/#{application}"