Interactive Capistrano deploys

set :svn_user, ENV['svn_user'] || "jonathan"
 set :svn_password, Proc.new { Capistrano::CLI.password_prompt('SVN Password: ') }
 set :repository,
  Proc.new { "--username #{svn_user} " +
             "--password #{svn_password} " +
             "http://your.domain.tld/path/to/svn/#{application}/trunk/" }