1 files changed, 202 insertions, 0 deletions
diff --git a/bin/unicorn_rails b/bin/unicorn_rails
new file mode 100755
index 0000000..b3fda7b
--- /dev/null
+++ b/bin/unicorn_rails
@@ -0,0 +1,202 @@
+#!/home/ew/bin/ruby
+require 'unicorn/launcher'
+require 'optparse'
+require 'fileutils'
+
+rails_pid = "#{Unicorn::HttpServer::START_CTX[:cwd]}/tmp/pids/unicorn.pid"
+cmd = File.basename($0)
+daemonize = false
+listeners = []
+options = { :listeners => listeners }
+host, port = Unicorn::Const::DEFAULT_HOST, Unicorn::Const::DEFAULT_PORT
+set_listener = false
+ENV['RAILS_ENV'] ||= "development"
+map_path = ENV['RAILS_RELATIVE_URL_ROOT']
+
+opts = OptionParser.new("", 24, '  ') do |opts|
+  opts.banner = "Usage: #{cmd} " \
+                "[ruby options] [#{cmd} options] [rackup config file]"
+  opts.separator "Ruby options:"
+
+  lineno = 1
+  opts.on("-e", "--eval LINE", "evaluate a LINE of code") do |line|
+    eval line, TOPLEVEL_BINDING, "-e", lineno
+    lineno += 1
+  end
+
+  opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") do
+    $DEBUG = true
+  end
+
+  opts.on("-w", "--warn", "turn warnings on for your script") do
+    $-w = true
+  end
+
+  opts.on("-I", "--include PATH",
+          "specify $LOAD_PATH (may be used more than once)") do |path|
+    $LOAD_PATH.unshift(*path.split(/:/))
+  end
+
+  opts.on("-r", "--require LIBRARY",
+          "require the library, before executing your script") do |library|
+    require library
+  end
+
+  opts.separator "#{cmd} options:"
+
+  # some of these switches exist for rackup command-line compatibility,
+
+  opts.on("-o", "--host HOST",
+          "listen on HOST (default: #{Unicorn::Const::DEFAULT_HOST})") do |h|
+    host = h
+    set_listener = true
+  end
+
+  opts.on("-p", "--port PORT", "use PORT (default: #{port})") do |p|
+    port = p.to_i
+    set_listener = true
+  end
+
+  opts.on("-E", "--env ENVIRONMENT",
+          "use ENVIRONMENT for defaults (default: development)") do |e|
+    ENV['RAILS_ENV'] = e
+  end
+
+  opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
+    daemonize = d ? true : false
+  end
+
+  # Unicorn-specific stuff
+  opts.on("-l", "--listen {HOST:PORT|PATH}",
+          "listen on HOST:PORT or PATH",
+          "this may be specified multiple times",
+          "(default: #{Unicorn::Const::DEFAULT_LISTEN})") do |address|
+    listeners << address
+  end
+
+  opts.on("-c", "--config-file FILE", "Unicorn-specific config file") do |f|
+    options[:config_file] = File.expand_path(f)
+  end
+
+  opts.on("-P", "--path PATH", "Runs Rails app mounted at a specific path.",
+          "(default: /") do |v|
+    ENV['RAILS_RELATIVE_URL_ROOT'] = map_path = v
+  end
+
+  # I'm avoiding Unicorn-specific config options on the command-line.
+  # IMNSHO, config options on the command-line are redundant given
+  # config files and make things unnecessarily complicated with multiple
+  # places to look for a config option.
+
+  opts.separator "Common options:"
+
+  opts.on_tail("-h", "--help", "Show this message") do
+    puts opts
+    exit
+  end
+
+  opts.on_tail("-v", "--version", "Show version") do
+    puts " v#{Unicorn::Const::UNICORN_VERSION}"
+    exit
+  end
+
+  opts.parse! ARGV
+end
+
+config = ARGV[0] || (File.exist?('config.ru') ? 'config.ru' : nil)
+
+if config && config =~ /\.ru$/
+  # parse embedded command-line options in config.ru comments
+  if File.open(config, "rb") { |fp| fp.sysread(fp.stat.size) } =~ /^#\\(.*)/
+    opts.parse! $1.split(/\s+/)
+  end
+end
+
+require 'pp' if $DEBUG
+
+# this won't run until after forking if preload_app is false
+app = lambda do ||
+  # Load Rails and the private version of Rack it bundles.
+  begin
+    require 'config/boot'
+  rescue LoadError => err
+    abort "#$0 must be run inside RAILS_ROOT: #{err.inspect}"
+  end
+  defined?(::RAILS_ROOT) or abort "RAILS_ROOT not defined by config/boot"
+  defined?(::RAILS_ENV) or abort "RAILS_ENV not defined by config/boot"
+  defined?(::Rails::VERSION::STRING) or
+    abort "Rails::VERSION::STRING not defined by config/boot"
+
+  inner_app = case config
+  when nil
+    require 'config/environment'
+
+    # it seems Rails >=2.2 support Rack, but only >=2.3 requires it
+    old_rails = case ::Rails::VERSION::MAJOR
+    when 0, 1 then true
+    when 2 then Rails::VERSION::MINOR < 3 ? true : false
+    else
+      false
+    end
+
+    if old_rails
+      require 'rack'
+      require 'unicorn/app/old_rails'
+      Unicorn::App::OldRails.new
+    else
+      ActionController::Dispatcher.new
+    end
+  when /\.ru$/
+    raw = File.open(config, "rb") { |fp| fp.sysread(fp.stat.size) }
+    eval("Rack::Builder.new {(#{raw}\n)}.to_app", nil, config)
+  else
+    require config
+    Object.const_get(File.basename(config, '.rb').capitalize)
+  end
+
+  map_path ||= '/'
+  Rack::Builder.new do
+    if inner_app.class.to_s == "Unicorn::App::OldRails"
+      if map_path != '/'
+        # patches + tests welcome, but I really cbf to deal with this
+        # since all apps I've ever dealt with just use "/" ...
+        $stderr.puts "relative URL roots may not work for older Rails"
+      end
+      $stderr.puts "LogTailer not available for Rails < 2.3" unless daemonize
+      $stderr.puts "Debugger not available" if $DEBUG
+      map(map_path) do
+        require 'unicorn/app/old_rails/static'
+        use Unicorn::App::OldRails::Static
+        run inner_app
+      end
+    else
+      use Rails::Rack::LogTailer unless daemonize
+      use Rails::Rack::Debugger if $DEBUG
+      map(map_path) do
+        use Rails::Rack::Static
+        run inner_app
+      end
+    end
+  end.to_app
+end
+
+listeners << "#{host}:#{port}" if set_listener
+
+if $DEBUG
+  pp({
+    :unicorn_options => options,
+    :app => app,
+    :daemonize => daemonize,
+  })
+end
+
+# ensure Rails standard tmp paths exist
+%w(cache pids sessions sockets).each do |dir|
+  FileUtils.mkdir_p("tmp/#{dir}")
+end
+
+if daemonize
+  options[:pid] = rails_pid
+  Unicorn::Launcher.daemonize!
+end
+Unicorn.run(app, options)