Move railties/lib/* into railties/lib/*

13 files changed, 1096 insertions, 0 deletions

diff --git a/railties/lib/rails/commands/about.rb b/railties/lib/rails/commands/about.rb
new file mode 100644
index 0000000000..bc2cfcb948
--- /dev/null
+++ b/railties/lib/rails/commands/about.rb
@@ -0,0 +1,3 @@
+require "#{RAILS_ROOT}/config/environment"
+require 'rails/info'
+puts Rails::Info
diff --git a/railties/lib/rails/commands/console.rb b/railties/lib/rails/commands/console.rb
new file mode 100644
index 0000000000..31448bdf1a
--- /dev/null
+++ b/railties/lib/rails/commands/console.rb
@@ -0,0 +1,45 @@
+irb = RUBY_PLATFORM =~ /(:?mswin|mingw)/ ? 'irb.bat' : 'irb'
+
+require 'optparse'
+
+options = { :sandbox => false, :irb => irb }
+OptionParser.new do |opt|
+  opt.banner = "Usage: console [environment] [options]"
+  opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
+  opt.on("--irb=[#{irb}]", 'Invoke a different irb.') { |v| options[:irb] = v }
+  opt.on("--debugger", 'Enable ruby-debugging for the console.') { |v| options[:debugger] = v }
+  opt.parse!(ARGV)
+end
+
+libs =  " -r irb/completion"
+libs << %( -r "#{RAILS_ROOT}/config/environment")
+libs << " -r rails/console_app"
+libs << " -r rails/console_sandbox" if options[:sandbox]
+libs << " -r rails/console_with_helpers"
+
+if options[:debugger]
+  begin
+    require 'ruby-debug'
+    libs << " -r ruby-debug"
+    puts "=> Debugger enabled"
+  rescue Exception
+    puts "You need to install ruby-debug to run the console in debugging mode. With gems, use 'gem install ruby-debug'"
+    exit
+  end
+end
+
+ENV['RAILS_ENV'] = case ARGV.first
+  when "p"; "production"
+  when "d"; "development"
+  when "t"; "test"
+  else
+    ARGV.first || ENV['RAILS_ENV'] || 'development'
+end
+
+if options[:sandbox]
+  puts "Loading #{ENV['RAILS_ENV']} environment in sandbox (Rails #{Rails.version})"
+  puts "Any modifications you make will be rolled back on exit"
+else
+  puts "Loading #{ENV['RAILS_ENV']} environment (Rails #{Rails.version})"
+end
+exec "#{options[:irb]} #{libs} --simple-prompt"
diff --git a/railties/lib/rails/commands/dbconsole.rb b/railties/lib/rails/commands/dbconsole.rb
new file mode 100644
index 0000000000..e6f11a45db
--- /dev/null
+++ b/railties/lib/rails/commands/dbconsole.rb
@@ -0,0 +1,87 @@
+require 'erb'
+require 'yaml'
+require 'optparse'
+
+include_password = false
+options = {}
+
+OptionParser.new do |opt|
+  opt.banner = "Usage: dbconsole [options] [environment]"
+  opt.on("-p", "--include-password", "Automatically provide the password from database.yml") do |v|
+    include_password = true
+  end
+
+  opt.on("--mode [MODE]", ['html', 'list', 'line', 'column'],
+    "Automatically put the sqlite3 database in the specified mode (html, list, line, column).") do |mode|
+      options['mode'] = mode
+  end
+
+  opt.on("-h", "--header") do |h|
+    options['header'] = h
+  end
+
+  opt.parse!(ARGV)
+  abort opt.to_s unless (0..1).include?(ARGV.size)
+end
+
+env = ARGV.first || ENV['RAILS_ENV'] || 'development'
+unless config = YAML::load(ERB.new(IO.read(RAILS_ROOT + "/config/database.yml")).result)[env]
+  abort "No database is configured for the environment '#{env}'"
+end
+
+
+def find_cmd(*commands)
+  dirs_on_path = ENV['PATH'].to_s.split(File::PATH_SEPARATOR)
+  commands += commands.map{|cmd| "#{cmd}.exe"} if RUBY_PLATFORM =~ /win32/
+
+  full_path_command = nil
+  found = commands.detect do |cmd|
+    dir = dirs_on_path.detect do |path|
+      full_path_command = File.join(path, cmd)
+      File.executable? full_path_command
+    end
+  end
+  found ? full_path_command : abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.")
+end
+
+case config["adapter"]
+when "mysql"
+  args = {
+    'host'      => '--host',
+    'port'      => '--port',
+    'socket'    => '--socket',
+    'username'  => '--user',
+    'encoding'  => '--default-character-set'
+  }.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
+
+  if config['password'] && include_password
+    args << "--password=#{config['password']}"
+  elsif config['password'] && !config['password'].to_s.empty?
+    args << "-p"
+  end
+
+  args << config['database']
+
+  exec(find_cmd('mysql', 'mysql5'), *args)
+
+when "postgresql"
+  ENV['PGUSER']     = config["username"] if config["username"]
+  ENV['PGHOST']     = config["host"] if config["host"]
+  ENV['PGPORT']     = config["port"].to_s if config["port"]
+  ENV['PGPASSWORD'] = config["password"].to_s if config["password"] && include_password
+  exec(find_cmd('psql'), config["database"])
+
+when "sqlite"
+  exec(find_cmd('sqlite'), config["database"])
+
+when "sqlite3"
+  args = []
+
+  args << "-#{options['mode']}" if options['mode']
+  args << "-header" if options['header']
+  args << config['database']
+
+  exec(find_cmd('sqlite3'), *args)
+else
+  abort "Unknown command-line client for #{config['database']}. Submit a Rails patch to add support!"
+end
diff --git a/railties/lib/rails/commands/destroy.rb b/railties/lib/rails/commands/destroy.rb
new file mode 100644
index 0000000000..5013d30b83
--- /dev/null
+++ b/railties/lib/rails/commands/destroy.rb
@@ -0,0 +1,10 @@
+require File.expand_path(File.join(File.dirname(__FILE__), '..', 'generators'))
+require "#{RAILS_ROOT}/config/environment"
+
+if ARGV.size == 0
+  Rails::Generators.help
+  exit
+end
+
+name = ARGV.shift
+Rails::Generators.invoke name, ARGV, :behavior => :revoke
diff --git a/railties/lib/rails/commands/generate.rb b/railties/lib/rails/commands/generate.rb
new file mode 100755
index 0000000000..32cabcab10
--- /dev/null
+++ b/railties/lib/rails/commands/generate.rb
@@ -0,0 +1,10 @@
+require File.expand_path(File.join(File.dirname(__FILE__), '..', 'generators'))
+require "#{RAILS_ROOT}/config/environment"
+
+if ARGV.size == 0
+  Rails::Generators.help
+  exit
+end
+
+name = ARGV.shift
+Rails::Generators.invoke name, ARGV, :behavior => :invoke
diff --git a/railties/lib/rails/commands/ncgi/listener b/railties/lib/rails/commands/ncgi/listener
new file mode 100755
index 0000000000..7079ef78a6
--- /dev/null
+++ b/railties/lib/rails/commands/ncgi/listener
@@ -0,0 +1,86 @@
+#!/usr/bin/env ruby
+
+require 'stringio'
+require 'fileutils'
+require 'fcgi_handler'
+
+def message(s)
+  $stderr.puts "listener: #{s}" if ENV && ENV["DEBUG_GATEWAY"]
+end
+
+class RemoteCGI < CGI
+  attr_accessor :stdinput, :stdoutput, :env_table
+  def initialize(env_table, input = nil, output = nil)
+    self.env_table = env_table
+    self.stdinput = input || StringIO.new
+    self.stdoutput = output || StringIO.new
+    super()
+  end
+
+  def out(stream) # Ignore the requested output stream
+    super(stdoutput)
+  end
+end
+
+class Listener
+  include DRbUndumped
+
+  def initialize(timeout, socket_path)
+    @socket = File.expand_path(socket_path)
+    @mutex = Mutex.new
+    @active = false
+    @timeout = timeout
+
+    @handler = RailsFCGIHandler.new
+    @handler.extend DRbUndumped
+
+    message 'opening socket'
+    DRb.start_service("drbunix:#{@socket}", self)
+
+    message 'entering process loop'
+    @handler.process! self
+  end
+
+  def each_cgi(&cgi_block)
+    @cgi_block = cgi_block
+    message 'entering idle loop'
+    loop do
+      sleep @timeout rescue nil
+      die! unless @active
+      @active = false
+    end
+  end
+
+  def process(env, input)
+    message 'received request'
+    @mutex.synchronize do
+      @active = true
+
+      message 'creating input stream'
+      input_stream = StringIO.new(input)
+      message 'building CGI instance'
+      cgi = RemoteCGI.new(eval(env), input_stream)
+
+      message 'yielding to fcgi handler'
+      @cgi_block.call cgi
+      message 'yield finished -- sending output'
+
+      cgi.stdoutput.seek(0)
+      output = cgi.stdoutput.read
+
+      return output
+    end
+  end
+
+  def die!
+    message 'shutting down'
+    DRb.stop_service
+    FileUtils.rm_f @socket
+    Kernel.exit 0
+  end
+end
+
+socket_path = ARGV.shift
+timeout = (ARGV.shift || 90).to_i
+
+Listener.new(timeout, socket_path)
diff --git a/railties/lib/rails/commands/ncgi/tracker b/railties/lib/rails/commands/ncgi/tracker
new file mode 100755
index 0000000000..4ca12d779b
--- /dev/null
+++ b/railties/lib/rails/commands/ncgi/tracker
@@ -0,0 +1,69 @@
+#!/usr/bin/env ruby
+
+require 'drb'
+require 'thread'
+
+def message(s)
+  $stderr.puts "tracker: #{s}" if ENV && ENV["DEBUG_GATEWAY"]
+end
+
+class Tracker
+  include DRbUndumped
+
+  def initialize(instances, socket_path)
+    @instances = instances
+    @socket = File.expand_path(socket_path)
+    @active = false
+
+    @listeners = []
+    @instances.times { @listeners << Mutex.new }
+
+    message "using #{@listeners.length} listeners"
+    message "opening socket at #{@socket}"
+
+    @service = DRb.start_service("drbunix://#{@socket}", self)
+  end
+
+  def with_listener
+    message "listener requested"
+
+    mutex = has_lock = index = nil
+    3.times do 
+      @listeners.each_with_index do |mutex, index|
+        has_lock = mutex.try_lock
+        break if has_lock
+      end
+      break if has_lock
+      sleep 0.05
+    end
+
+    if has_lock
+      message "obtained listener #{index}"
+      @active = true
+      begin yield index
+      ensure
+        mutex.unlock
+        message "released listener #{index}"
+      end
+    else
+      message "dropping request because no listeners are available!"
+    end
+  end
+
+  def background(check_interval = nil)
+    if check_interval
+      loop do
+        sleep check_interval
+        message "Idle for #{check_interval}, shutting down" unless @active
+        @active = false
+        Kernel.exit 0
+      end
+    else DRb.thread.join
+    end
+  end
+end
+
+socket_path = ARGV.shift
+instances = ARGV.shift.to_i
+t = Tracker.new(instances, socket_path)
+t.background(ARGV.first ? ARGV.shift.to_i : 90)
diff --git a/railties/lib/rails/commands/performance/benchmarker.rb b/railties/lib/rails/commands/performance/benchmarker.rb
new file mode 100644
index 0000000000..e8804fe1bf
--- /dev/null
+++ b/railties/lib/rails/commands/performance/benchmarker.rb
@@ -0,0 +1,24 @@
+if ARGV.empty?
+  puts "Usage: ./script/performance/benchmarker [times] 'Person.expensive_way' 'Person.another_expensive_way' ..."
+  exit 1
+end
+
+begin
+  N = Integer(ARGV.first)
+  ARGV.shift
+rescue ArgumentError
+  N = 1
+end
+
+require RAILS_ROOT + '/config/environment'
+require 'benchmark'
+include Benchmark
+
+# Don't include compilation in the benchmark
+ARGV.each { |expression| eval(expression) }
+
+bm(6) do |x|
+  ARGV.each_with_index do |expression, idx|
+    x.report("##{idx + 1}") { N.times { eval(expression) } }
+  end
+end 
diff --git a/railties/lib/rails/commands/performance/profiler.rb b/railties/lib/rails/commands/performance/profiler.rb
new file mode 100644
index 0000000000..7df840f197
--- /dev/null
+++ b/railties/lib/rails/commands/performance/profiler.rb
@@ -0,0 +1,50 @@
+if ARGV.empty?
+  $stderr.puts "Usage: ./script/performance/profiler 'Person.expensive_method(10)' [times] [flat|graph|graph_html]"
+  exit(1)
+end
+
+# Keep the expensive require out of the profile.
+$stderr.puts 'Loading Rails...'
+require RAILS_ROOT + '/config/environment'
+
+# Define a method to profile.
+if ARGV[1] and ARGV[1].to_i > 1
+  eval "def profile_me() #{ARGV[1]}.times { #{ARGV[0]} } end"
+else
+  eval "def profile_me() #{ARGV[0]} end"
+end
+
+# Use the ruby-prof extension if available.  Fall back to stdlib profiler.
+begin
+  begin
+    require "ruby-prof"
+    $stderr.puts 'Using the ruby-prof extension.'
+    RubyProf.measure_mode = RubyProf::WALL_TIME
+    RubyProf.start
+    profile_me
+    results = RubyProf.stop
+    if ARGV[2]
+      printer_class = RubyProf.const_get((ARGV[2] + "_printer").classify)
+    else
+      printer_class = RubyProf::FlatPrinter
+    end
+    printer = printer_class.new(results)
+    printer.print($stderr)
+  rescue LoadError
+    require "prof"
+    $stderr.puts 'Using the old ruby-prof extension.'
+    Prof.clock_mode = Prof::GETTIMEOFDAY
+    Prof.start
+    profile_me
+    results = Prof.stop
+    require 'rubyprof_ext'
+    Prof.print_profile(results, $stderr)
+  end
+rescue LoadError
+  require 'profiler'
+  $stderr.puts 'Using the standard Ruby profiler.'
+  Profiler__.start_profile
+  profile_me
+  Profiler__.stop_profile
+  Profiler__.print_profile($stderr)
+end
diff --git a/railties/lib/rails/commands/plugin.rb b/railties/lib/rails/commands/plugin.rb
new file mode 100644
index 0000000000..159db707e7
--- /dev/null
+++ b/railties/lib/rails/commands/plugin.rb
@@ -0,0 +1,542 @@
+# Rails Plugin Manager.
+#
+# Installing plugins:
+#
+#   $ ./script/plugin install continuous_builder asset_timestamping
+# 
+# Specifying revisions:
+#
+#   * Subversion revision is a single integer.
+#
+#   * Git revision format:
+#     - full - 'refs/tags/1.8.0' or 'refs/heads/experimental'
+#     - short: 'experimental' (equivalent to 'refs/heads/experimental')
+#              'tag 1.8.0' (equivalent to 'refs/tags/1.8.0')
+#
+#
+# This is Free Software, copyright 2005 by Ryan Tomayko (rtomayko@gmail.com) 
+# and is licensed MIT: (http://www.opensource.org/licenses/mit-license.php)
+
+$verbose = false
+
+
+require 'open-uri'
+require 'fileutils'
+require 'tempfile'
+
+include FileUtils
+
+class RailsEnvironment
+  attr_reader :root
+
+  def initialize(dir)
+    @root = dir
+  end
+
+  def self.find(dir=nil)
+    dir ||= pwd
+    while dir.length > 1
+      return new(dir) if File.exist?(File.join(dir, 'config', 'environment.rb'))
+      dir = File.dirname(dir)
+    end
+  end
+  
+  def self.default
+    @default ||= find
+  end
+  
+  def self.default=(rails_env)
+    @default = rails_env
+  end
+  
+  def install(name_uri_or_plugin)
+    if name_uri_or_plugin.is_a? String
+      if name_uri_or_plugin =~ /:\/\// 
+        plugin = Plugin.new(name_uri_or_plugin)
+      else
+        plugin = Plugins[name_uri_or_plugin]
+      end
+    else
+      plugin = name_uri_or_plugin
+    end
+    unless plugin.nil?
+      plugin.install
+    else
+      puts "Plugin not found: #{name_uri_or_plugin}"
+    end
+  end
+ 
+  def use_svn?
+    require 'active_support/core_ext/kernel'
+    silence_stderr {`svn --version` rescue nil}
+    !$?.nil? && $?.success?
+  end
+
+  def use_externals?
+    use_svn? && File.directory?("#{root}/vendor/plugins/.svn")
+  end
+
+  def use_checkout?
+    # this is a bit of a guess. we assume that if the rails environment
+    # is under subversion then they probably want the plugin checked out
+    # instead of exported. This can be overridden on the command line
+    File.directory?("#{root}/.svn")
+  end
+
+  def best_install_method
+    return :http unless use_svn?
+    case
+      when use_externals? then :externals
+      when use_checkout? then :checkout
+      else :export
+    end
+  end
+
+  def externals
+    return [] unless use_externals?
+    ext = `svn propget svn:externals "#{root}/vendor/plugins"`
+    lines = ext.respond_to?(:lines) ? ext.lines : ext
+    lines.reject{ |line| line.strip == '' }.map do |line|
+      line.strip.split(/\s+/, 2) 
+    end
+  end
+
+  def externals=(items)
+    unless items.is_a? String
+      items = items.map{|name,uri| "#{name.ljust(29)} #{uri.chomp('/')}"}.join("\n")
+    end
+    Tempfile.open("svn-set-prop") do |file|
+      file.write(items)
+      file.flush
+      system("svn propset -q svn:externals -F \"#{file.path}\" \"#{root}/vendor/plugins\"")
+    end
+  end
+  
+end
+
+class Plugin
+  attr_reader :name, :uri
+  
+  def initialize(uri, name = nil)
+    @uri = uri
+    guess_name(uri)
+  end
+  
+  def self.find(name)
+    new(name)
+  end
+  
+  def to_s
+    "#{@name.ljust(30)}#{@uri}"
+  end
+  
+  def svn_url?
+    @uri =~ /svn(?:\+ssh)?:\/\/*/
+  end
+  
+  def git_url?
+    @uri =~ /^git:\/\// || @uri =~ /\.git$/
+  end
+  
+  def installed?
+    File.directory?("#{rails_env.root}/vendor/plugins/#{name}") \
+      or rails_env.externals.detect{ |name, repo| self.uri == repo }
+  end
+  
+  def install(method=nil, options = {})
+    method ||= rails_env.best_install_method?
+    if :http == method
+      method = :export if svn_url?
+      method = :git    if git_url?
+    end
+
+    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
+
+  def uninstall
+    path = "#{rails_env.root}/vendor/plugins/#{name}"
+    if File.directory?(path)
+      puts "Removing 'vendor/plugins/#{name}'" if $verbose
+      run_uninstall_hook
+      rm_r path
+    else
+      puts "Plugin doesn't exist: #{path}"
+    end
+
+    if rails_env.use_externals?
+      # clean up svn:externals
+      externals = rails_env.externals
+      externals.reject!{|n,u| name == n or name == u}
+      rails_env.externals = externals
+    end
+  end
+
+  def info
+    tmp = "#{rails_env.root}/_tmp_about.yml"
+    if svn_url?
+      cmd = "svn export #{@uri} \"#{rails_env.root}/#{tmp}\""
+      puts cmd if $verbose
+      system(cmd)
+    end
+    open(svn_url? ? tmp : File.join(@uri, 'about.yml')) do |stream|
+      stream.read
+    end rescue "No about.yml found in #{uri}"
+  ensure
+    FileUtils.rm_rf tmp if svn_url?
+  end
+
+  private 
+
+    def run_install_hook
+      install_hook_file = "#{rails_env.root}/vendor/plugins/#{name}/install.rb"
+      load install_hook_file if File.exist? install_hook_file
+    end
+
+    def run_uninstall_hook
+      uninstall_hook_file = "#{rails_env.root}/vendor/plugins/#{name}/uninstall.rb"
+      load uninstall_hook_file if File.exist? uninstall_hook_file
+    end
+
+    def install_using_export(options = {})
+      svn_command :export, options
+    end
+    
+    def install_using_checkout(options = {})
+      svn_command :checkout, options
+    end
+    
+    def install_using_externals(options = {})
+      externals = rails_env.externals
+      externals.push([@name, uri])
+      rails_env.externals = externals
+      install_using_checkout(options)
+    end
+
+    def install_using_http(options = {})
+      root = rails_env.root
+      mkdir_p "#{root}/vendor/plugins/#{@name}"
+      Dir.chdir "#{root}/vendor/plugins/#{@name}" do
+        puts "fetching from '#{uri}'" if $verbose
+        fetcher = RecursiveHTTPFetcher.new(uri, -1)
+        fetcher.quiet = true if options[:quiet]
+        fetcher.fetch
+      end
+    end
+    
+    def install_using_git(options = {})
+      root = rails_env.root
+      mkdir_p(install_path = "#{root}/vendor/plugins/#{name}")
+      Dir.chdir install_path do
+        init_cmd = "git init"
+        init_cmd += " -q" if options[:quiet] and not $verbose
+        puts init_cmd if $verbose
+        system(init_cmd)
+        base_cmd = "git pull --depth 1 #{uri}"
+        base_cmd += " -q" if options[:quiet] and not $verbose
+        base_cmd += " #{options[:revision]}" if options[:revision]
+        puts base_cmd if $verbose
+        if system(base_cmd)
+          puts "removing: .git .gitignore" if $verbose
+          rm_rf %w(.git .gitignore)
+        else
+          rm_rf install_path
+        end
+      end
+    end
+
+    def svn_command(cmd, options = {})
+      root = rails_env.root
+      mkdir_p "#{root}/vendor/plugins"
+      base_cmd = "svn #{cmd} #{uri} \"#{root}/vendor/plugins/#{name}\""
+      base_cmd += ' -q' if options[:quiet] and not $verbose
+      base_cmd += " -r #{options[:revision]}" if options[:revision]
+      puts base_cmd if $verbose
+      system(base_cmd)
+    end
+
+    def guess_name(url)
+      @name = File.basename(url)
+      if @name == 'trunk' || @name.empty?
+        @name = File.basename(File.dirname(url))
+      end
+      @name.gsub!(/\.git$/, '') if @name =~ /\.git$/
+    end
+    
+    def rails_env
+      @rails_env || RailsEnvironment.default
+    end
+end
+
+# load default environment and parse arguments
+require 'optparse'
+module Commands
+
+  class Plugin
+    attr_reader :environment, :script_name, :sources
+    def initialize
+      @environment = RailsEnvironment.default
+      @rails_root = RailsEnvironment.default.root
+      @script_name = File.basename($0) 
+      @sources = []
+    end
+    
+    def environment=(value)
+      @environment = value
+      RailsEnvironment.default = value
+    end
+    
+    def options
+      OptionParser.new do |o|
+        o.set_summary_indent('  ')
+        o.banner =    "Usage: #{@script_name} [OPTIONS] command"
+        o.define_head "Rails plugin manager."
+        
+        o.separator ""        
+        o.separator "GENERAL OPTIONS"
+        
+        o.on("-r", "--root=DIR", String,
+             "Set an explicit rails app directory.",
+             "Default: #{@rails_root}") { |rails_root| @rails_root = rails_root; self.environment = RailsEnvironment.new(@rails_root) }
+        o.on("-s", "--source=URL1,URL2", Array,
+             "Use the specified plugin repositories instead of the defaults.") { |sources| @sources = sources}
+        
+        o.on("-v", "--verbose", "Turn on verbose output.") { |verbose| $verbose = verbose }
+        o.on("-h", "--help", "Show this help message.") { puts o; exit }
+        
+        o.separator ""
+        o.separator "COMMANDS"
+        
+        o.separator "  install    Install plugin(s) from known repositories or URLs."
+        o.separator "  remove     Uninstall plugins."
+        
+        o.separator ""
+        o.separator "EXAMPLES"
+        o.separator "  Install a plugin:"
+        o.separator "    #{@script_name} install continuous_builder\n"
+        o.separator "  Install a plugin from a subversion URL:"
+        o.separator "    #{@script_name} install http://dev.rubyonrails.com/svn/rails/plugins/continuous_builder\n"
+        o.separator "  Install a plugin from a git URL:"
+        o.separator "    #{@script_name} install git://github.com/SomeGuy/my_awesome_plugin.git\n"
+        o.separator "  Install a plugin and add a svn:externals entry to vendor/plugins"
+        o.separator "    #{@script_name} install -x continuous_builder\n"
+      end
+    end
+    
+    def parse!(args=ARGV)
+      general, sub = split_args(args)
+      options.parse!(general)
+      
+      command = general.shift
+      if command =~ /^(install|remove)$/
+        command = Commands.const_get(command.capitalize).new(self)
+        command.parse!(sub)
+      else
+        puts "Unknown command: #{command}"
+        puts options
+        exit 1
+      end
+    end
+    
+    def split_args(args)
+      left = []
+      left << args.shift while args[0] and args[0] =~ /^-/
+      left << args.shift if args[0]
+      return [left, args]
+    end
+    
+    def self.parse!(args=ARGV)
+      Plugin.new.parse!(args)
+    end
+  end
+  
+  class Install
+    def initialize(base_command)
+      @base_command = base_command
+      @method = :http
+      @options = { :quiet => false, :revision => nil, :force => false }
+    end
+    
+    def options
+      OptionParser.new do |o|
+        o.set_summary_indent('  ')
+        o.banner =    "Usage: #{@base_command.script_name} install PLUGIN [PLUGIN [PLUGIN] ...]"
+        o.define_head "Install one or more plugins."
+        o.separator   ""
+        o.separator   "Options:"
+        o.on(         "-x", "--externals", 
+                      "Use svn:externals to grab the plugin.", 
+                      "Enables plugin updates and plugin versioning.") { |v| @method = :externals }
+        o.on(         "-o", "--checkout",
+                      "Use svn checkout to grab the plugin.",
+                      "Enables updating but does not add a svn:externals entry.") { |v| @method = :checkout }
+        o.on(         "-e", "--export",
+                      "Use svn export to grab the plugin.",
+                      "Exports the plugin, allowing you to check it into your local repository. Does not enable updates, or add an svn:externals entry.") { |v| @method = :export }
+        o.on(         "-q", "--quiet",
+                      "Suppresses the output from installation.",
+                      "Ignored if -v is passed (./script/plugin -v install ...)") { |v| @options[:quiet] = true }
+        o.on(         "-r REVISION", "--revision REVISION",
+                      "Checks out the given revision from subversion or git.",
+                      "Ignored if subversion/git is not used.") { |v| @options[:revision] = v }
+        o.on(         "-f", "--force",
+                      "Reinstalls a plugin if it's already installed.") { |v| @options[:force] = true }
+        o.separator   ""
+        o.separator   "You can specify plugin names as given in 'plugin list' output or absolute URLs to "
+        o.separator   "a plugin repository."
+      end
+    end
+    
+    def determine_install_method
+      best = @base_command.environment.best_install_method
+      @method = :http if best == :http and @method == :export
+      case
+      when (best == :http and @method != :http)
+        msg = "Cannot install using subversion because `svn' cannot be found in your PATH"
+      when (best == :export and (@method != :export and @method != :http))
+        msg = "Cannot install using #{@method} because this project is not under subversion."
+      when (best != :externals and @method == :externals)
+        msg = "Cannot install using externals because vendor/plugins is not under subversion."
+      end
+      if msg
+        puts msg
+        exit 1
+      end
+      @method
+    end
+    
+    def parse!(args)
+      options.parse!(args)
+      environment = @base_command.environment
+      install_method = determine_install_method
+      puts "Plugins will be installed using #{install_method}" if $verbose
+      args.each do |name|
+        ::Plugin.find(name).install(install_method, @options)
+      end
+    rescue StandardError => e
+      puts "Plugin not found: #{args.inspect}"
+      puts e.inspect if $verbose
+      exit 1
+    end
+  end
+
+  class Remove
+    def initialize(base_command)
+      @base_command = base_command
+    end
+    
+    def options
+      OptionParser.new do |o|
+        o.set_summary_indent('  ')
+        o.banner =    "Usage: #{@base_command.script_name} remove name [name]..."
+        o.define_head "Remove plugins."
+      end
+    end
+    
+    def parse!(args)
+      options.parse!(args)
+      root = @base_command.environment.root
+      args.each do |name|
+        ::Plugin.new(name).uninstall
+      end
+    end
+  end
+
+  class Info
+    def initialize(base_command)
+      @base_command = base_command
+    end
+
+    def options
+      OptionParser.new do |o|
+        o.set_summary_indent('  ')
+        o.banner =    "Usage: #{@base_command.script_name} info name [name]..."
+        o.define_head "Shows plugin info at {url}/about.yml."
+      end
+    end
+
+    def parse!(args)
+      options.parse!(args)
+      args.each do |name|
+        puts ::Plugin.find(name).info
+        puts
+      end
+    end
+  end
+end
+ 
+class RecursiveHTTPFetcher
+  attr_accessor :quiet
+  def initialize(urls_to_fetch, level = 1, cwd = ".")
+    @level = level
+    @cwd = cwd
+    @urls_to_fetch = RUBY_VERSION >= '1.9' ? urls_to_fetch.lines : urls_to_fetch.to_a
+    @quiet = false
+  end
+
+  def ls
+    @urls_to_fetch.collect do |url|
+      if url =~ /^svn(\+ssh)?:\/\/.*/
+        `svn ls #{url}`.split("\n").map {|entry| "/#{entry}"} rescue nil
+      else
+        open(url) do |stream|
+          links("", stream.read)
+        end rescue nil
+      end
+    end.flatten
+  end
+
+  def push_d(dir)
+    @cwd = File.join(@cwd, dir)
+    FileUtils.mkdir_p(@cwd)
+  end
+
+  def pop_d
+    @cwd = File.dirname(@cwd)
+  end
+
+  def links(base_url, contents)
+    links = []
+    contents.scan(/href\s*=\s*\"*[^\">]*/i) do |link|
+      link = link.sub(/href="/i, "")
+      next if link =~ /svnindex.xsl$/
+      next if link =~ /^(\w*:|)\/\// || link =~ /^\./
+      links << File.join(base_url, link)
+    end
+    links
+  end
+  
+  def download(link)
+    puts "+ #{File.join(@cwd, File.basename(link))}" unless @quiet
+    open(link) do |stream|
+      File.open(File.join(@cwd, File.basename(link)), "wb") do |file|
+        file.write(stream.read)
+      end
+    end
+  end
+  
+  def fetch(links = @urls_to_fetch)
+    links.each do |l|
+      (l =~ /\/$/ || links == @urls_to_fetch) ? fetch_dir(l) : download(l)
+    end
+  end
+  
+  def fetch_dir(url)
+    @level += 1
+    push_d(File.basename(url)) if @level > 0
+    open(url) do |stream|
+      contents =  stream.read
+      fetch(links(url, contents))
+    end
+    pop_d if @level > 0
+    @level -= 1
+  end
+end
+
+Commands::Plugin.parse!
diff --git a/railties/lib/rails/commands/runner.rb b/railties/lib/rails/commands/runner.rb
new file mode 100644
index 0000000000..510128318a
--- /dev/null
+++ b/railties/lib/rails/commands/runner.rb
@@ -0,0 +1,54 @@
+require 'optparse'
+
+options = { :environment => (ENV['RAILS_ENV'] || "development").dup }
+code_or_file = nil
+
+ARGV.clone.options do |opts|
+  script_name = File.basename($0)
+  opts.banner = "Usage: #{$0} [options] ('Some.ruby(code)' or a filename)"
+
+  opts.separator ""
+
+  opts.on("-e", "--environment=name", String,
+          "Specifies the environment for the runner to operate under (test/development/production).",
+          "Default: development") { |v| options[:environment] = v }
+
+  opts.separator ""
+
+  opts.on("-h", "--help",
+          "Show this help message.") { $stderr.puts opts; exit }
+
+  if RUBY_PLATFORM !~ /mswin/
+    opts.separator ""
+    opts.separator "You can also use runner as a shebang line for your scripts like this:"
+    opts.separator "-------------------------------------------------------------"
+    opts.separator "#!/usr/bin/env #{File.expand_path($0)}"
+    opts.separator ""
+    opts.separator "Product.find(:all).each { |p| p.price *= 2 ; p.save! }"
+    opts.separator "-------------------------------------------------------------"
+  end
+
+  opts.order! { |o| code_or_file ||= o } rescue retry
+end
+
+ARGV.delete(code_or_file)
+
+ENV["RAILS_ENV"] = options[:environment]
+RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
+
+require RAILS_ROOT + '/config/environment'
+
+begin
+  if code_or_file.nil?
+    $stderr.puts "Run '#{$0} -h' for help."
+    exit 1
+  elsif File.exist?(code_or_file)
+    eval(File.read(code_or_file), nil, code_or_file)
+  else
+    eval(code_or_file)
+  end
+ensure
+  if defined? Rails
+    Rails.logger.flush if Rails.logger.respond_to?(:flush)
+  end
+end
diff --git a/railties/lib/rails/commands/server.rb b/railties/lib/rails/commands/server.rb
new file mode 100644
index 0000000000..823916b1dc
--- /dev/null
+++ b/railties/lib/rails/commands/server.rb
@@ -0,0 +1,106 @@
+require 'action_controller'
+
+require 'fileutils'
+require 'optparse'
+
+options = {
+  :Port        => 3000,
+  :Host        => "0.0.0.0",
+  :environment => (ENV['RAILS_ENV'] || "development").dup,
+  :config      => RAILS_ROOT + "/config.ru",
+  :detach      => false,
+  :debugger    => false,
+  :path        => nil
+}
+
+ARGV.clone.options do |opts|
+  opts.on("-p", "--port=port", Integer,
+          "Runs Rails on the specified port.", "Default: #{options[:Port]}") { |v| options[:Port] = v }
+  opts.on("-b", "--binding=ip", String,
+          "Binds Rails to the specified ip.", "Default: #{options[:Host]}") { |v| options[:Host] = v }
+  opts.on("-c", "--config=file", String,
+          "Use custom rackup configuration file") { |v| options[:config] = v }
+  opts.on("-d", "--daemon", "Make server run as a Daemon.") { options[:detach] = true }
+  opts.on("-u", "--debugger", "Enable ruby-debugging for the server.") { options[:debugger] = true }
+  opts.on("-e", "--environment=name", String,
+          "Specifies the environment to run this server under (test/development/production).",
+          "Default: #{options[:environment]}") { |v| options[:environment] = v }
+  opts.on("-P", "--path=/path", String, "Runs Rails app mounted at a specific path.", "Default: #{options[:path]}") { |v| options[:path] = v }
+
+  opts.separator ""
+
+  opts.on("-h", "--help", "Show this help message.") { puts opts; exit }
+
+  opts.parse!
+end
+
+server = Rack::Handler.get(ARGV.first) rescue nil
+unless server
+  begin
+    server = Rack::Handler::Mongrel
+  rescue LoadError => e
+    server = Rack::Handler::WEBrick
+  end
+end
+
+puts "=> Booting #{ActiveSupport::Inflector.demodulize(server)}"
+puts "=> Rails #{Rails.version} application starting on http://#{options[:Host]}:#{options[:Port]}#{options[:path]}"
+
+%w(cache pids sessions sockets).each do |dir_to_make|
+  FileUtils.mkdir_p(File.join(RAILS_ROOT, 'tmp', dir_to_make))
+end
+
+if options[:detach]
+  Process.daemon
+  pid = "#{RAILS_ROOT}/tmp/pids/server.pid"
+  File.open(pid, 'w'){ |f| f.write(Process.pid) }
+  at_exit { File.delete(pid) if File.exist?(pid) }
+end
+
+ENV["RAILS_ENV"] = options[:environment]
+RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
+
+if File.exist?(options[:config])
+  config = options[:config]
+  if config =~ /\.ru$/
+    cfgfile = File.read(config)
+    if cfgfile[/^#\\(.*)/]
+      opts.parse!($1.split(/\s+/))
+    end
+    inner_app = eval("Rack::Builder.new {( " + cfgfile + "\n )}.to_app", nil, config)
+  else
+    require config
+    inner_app = Object.const_get(File.basename(config, '.rb').capitalize)
+  end
+else
+  require RAILS_ROOT + "/config/environment"
+  inner_app = ActionController::Dispatcher.new
+end
+
+if options[:path].nil?
+  map_path = "/"
+else
+  ActionController::Base.relative_url_root = options[:path]
+  map_path = options[:path]
+end
+
+app = Rack::Builder.new {
+  use Rails::Rack::LogTailer unless options[:detach]
+  use Rails::Rack::Debugger if options[:debugger]
+  map map_path do
+    use Rails::Rack::Static 
+    run inner_app
+  end
+}.to_app
+
+puts "=> Call with -d to detach"
+
+trap(:INT) { exit }
+
+puts "=> Ctrl-C to shutdown server"
+
+begin
+  server.run(app, options.merge(:AccessLog => []))
+ensure
+  puts 'Exiting'
+end
diff --git a/railties/lib/rails/commands/update.rb b/railties/lib/rails/commands/update.rb
new file mode 100644
index 0000000000..f3b3ad0775
--- /dev/null
+++ b/railties/lib/rails/commands/update.rb
@@ -0,0 +1,10 @@
+require File.expand_path(File.join(File.dirname(__FILE__), '..', 'generators'))
+require "#{RAILS_ROOT}/config/environment"
+
+if ARGV.size == 0
+  Rails::Generators.help
+  exit
+end
+
+name = ARGV.shift
+Rails::Generators.invoke name, ARGV, :behavior => :skip