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executable file 173 lines (140 sloc) 3.718 kB
#!/usr/bin/env ruby
# -*- ruby -*-
require 'optparse'
automatic = false
server = nil
env = "development"
daemonize = false
pid = nil
options = {:Port => 9292, :Host => "0.0.0.0", :AccessLog => []}
opts = OptionParser.new("", 24, ' ') { |opts|
opts.banner = "Usage: rackup [ruby options] [rack options] [rackup config]"
opts.separator ""
opts.separator "Ruby options:"
lineno = 1
opts.on("-e", "--eval LINE", "evaluate a LINE of code") { |line|
eval line, TOPLEVEL_BINDING, "-e", lineno
lineno += 1
}
opts.on("-d", "--debug", "set debugging flags (set $DEBUG to true)") {
$DEBUG = true
}
opts.on("-w", "--warn", "turn warnings on for your script") {
$-w = true
}
opts.on("-I", "--include PATH",
"specify $LOAD_PATH (may be used more than once)") { |path|
$LOAD_PATH.unshift(*path.split(":"))
}
opts.on("-r", "--require LIBRARY",
"require the library, before executing your script") { |library|
require library
}
opts.separator ""
opts.separator "Rack options:"
opts.on("-s", "--server SERVER", "serve using SERVER (webrick/mongrel)") { |s|
server = s
}
opts.on("-o", "--host HOST", "listen on HOST (default: 0.0.0.0)") { |host|
options[:Host] = host
}
opts.on("-p", "--port PORT", "use PORT (default: 9292)") { |port|
options[:Port] = port
}
opts.on("-E", "--env ENVIRONMENT", "use ENVIRONMENT for defaults (default: development)") { |e|
env = e
}
opts.on("-D", "--daemonize", "run daemonized in the background") { |d|
daemonize = d ? true : false
}
opts.on("-P", "--pid FILE", "file to store PID (default: rack.pid)") { |f|
pid = File.expand_path(f)
}
opts.separator ""
opts.separator "Common options:"
opts.on_tail("-h", "--help", "Show this message") do
puts opts
exit
end
opts.on_tail("--version", "Show version") do
require 'rack'
puts "Rack #{Rack.version}"
exit
end
opts.parse! ARGV
}
require 'pp' if $DEBUG
config = ARGV[0] || "config.ru"
if !File.exist? config
abort "configuration #{config} not found"
end
if config =~ /\.ru$/
cfgfile = File.read(config)
if cfgfile[/^#\\(.*)/]
opts.parse! $1.split(/\s+/)
end
require 'rack'
inner_app = eval "Rack::Builder.new {( " + cfgfile + "\n )}.to_app",
nil, config
else
require 'rack'
require config
inner_app = Object.const_get(File.basename(config, '.rb').capitalize)
end
unless server = Rack::Handler.get(server)
# Guess.
if ENV.include?("PHP_FCGI_CHILDREN")
server = Rack::Handler::FastCGI
# We already speak FastCGI
options.delete :File
options.delete :Port
elsif ENV.include?("REQUEST_METHOD")
server = Rack::Handler::CGI
else
begin
server = Rack::Handler::Mongrel
rescue LoadError => e
server = Rack::Handler::WEBrick
end
end
end
p server if $DEBUG
case env
when "development"
app = Rack::Builder.new {
use Rack::CommonLogger, $stderr unless server.name =~ /CGI/
use Rack::ShowExceptions
use Rack::Lint
run inner_app
}.to_app
when "deployment"
app = Rack::Builder.new {
use Rack::CommonLogger, $stderr unless server.name =~ /CGI/
run inner_app
}.to_app
when "none"
app = inner_app
end
if $DEBUG
pp app
pp inner_app
end
if daemonize
if RUBY_VERSION < "1.9"
exit if fork
Process.setsid
exit if fork
Dir.chdir "/"
File.umask 0000
STDIN.reopen "/dev/null"
STDOUT.reopen "/dev/null", "a"
STDERR.reopen "/dev/null", "a"
else
Process.daemon
end
if pid
File.open(pid, 'w'){ |f| f.write("#{Process.pid}") }
at_exit { File.delete(pid) if File.exist?(pid) }
end
end
server.run app, options
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