From 37a12997628fcab722512f8a6370b92d44e33529 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Fri, 2 Oct 2009 20:44:03 -0700
Subject: initial revision

No tests yet, but the old "gossamer" and "rainbows" branches
seem to be basically working.
---
 bin/rainbows | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 bin/rainbows

(limited to 'bin/rainbows')

diff --git a/bin/rainbows b/bin/rainbows
new file mode 100644
index 0000000..b3f3a26
--- /dev/null
+++ b/bin/rainbows
@@ -0,0 +1,166 @@
+#!/home/ew/bin/ruby
+# -*- encoding: binary -*-
+require 'unicorn/launcher'
+require 'rainbows'
+require 'optparse'
+
+env = "development"
+daemonize = false
+listeners = []
+options = { :listeners => listeners }
+host, port = Unicorn::Const::DEFAULT_HOST, Unicorn::Const::DEFAULT_PORT
+set_listener = false
+
+opts = OptionParser.new("", 24, '  ') do |opts|
+  opts.banner = "Usage: #{File.basename($0)} " \
+                "[ruby options] [unicorn 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 "Unicorn 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: #{Unicorn::Const::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 = e
+  end
+
+  opts.on("-D", "--daemonize", "run daemonized in the background") do |d|
+    daemonize = d ? true : false
+  end
+
+  opts.on("-P", "--pid FILE", "DEPRECATED") do |f|
+    warn %q{Use of --pid/-P is strongly discouraged}
+    warn %q{Use the 'pid' directive in the Unicorn config file instead}
+    options[:pid] = File.expand_path(f)
+  end
+
+  opts.on("-s", "--server SERVER",
+          "this flag only exists for compatibility") do |s|
+    warn "-s/--server only exists for compatibility with rackup"
+  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
+
+  # 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.to_s.gsub(/^.*DEPRECATED.*$/s, '')
+    exit
+  end
+
+  opts.on_tail("-v", "--version", "Show version") do
+    puts "unicorn v#{Unicorn::Const::UNICORN_VERSION}"
+    exit
+  end
+
+  opts.parse! ARGV
+end
+
+config = ARGV[0] || "config.ru"
+abort "configuration file #{config} not found" unless File.exist?(config)
+
+if 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
+
+app = lambda do ||
+  # require Rack as late as possible in case $LOAD_PATH is modified
+  # in config.ru or command-line
+  inner_app = case config
+  when /\.ru$/
+    raw = File.open(config, "rb") { |fp| fp.sysread(fp.stat.size) }
+    raw.sub!(/^__END__\n.*/, '')
+    eval("Rack::Builder.new {(#{raw}\n)}.to_app", nil, config)
+  else
+    require config
+    Object.const_get(File.basename(config, '.rb').capitalize)
+  end
+  pp({ :inner_app => inner_app }) if $DEBUG
+  case env
+  when "development"
+    Rack::Builder.new do
+      use Rack::CommonLogger, $stderr
+      use Rack::ShowExceptions
+      use Rack::Lint
+      run inner_app
+    end.to_app
+  when "deployment"
+    Rack::Builder.new do
+      use Rack::CommonLogger, $stderr
+      run inner_app
+    end.to_app
+  else
+    inner_app
+  end
+end
+
+listeners << "#{host}:#{port}" if set_listener
+
+if $DEBUG
+  pp({
+    :unicorn_options => options,
+    :app => app,
+    :daemonize => daemonize,
+  })
+end
+
+Unicorn::Launcher.daemonize! if daemonize
+Rainbows.run(app, options)
-- 
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