install

# File railties/lib/commands/plugin.rb, line 170
  def install(method=nil, options = {})
    method ||= rails_env.best_install_method?
    method   = :export if method == :http and svn_url?

    uninstall if installed? and options[:force]

    unless installed?
      send("install_using_#{method}", options)
      run_install_hook
    else
      puts "already installed: #{name} (#{uri}).  pass --force to reinstall"
    end
  end