minad/olelo

#!/usr/bin/env ruby

require 'rack'
require 'optparse'

help = %{Usage: olelo [OPTIONS] [PATH]

        PATH                         The path to the git repository to serve from (default .).

Options:
}

options = {
  port: 8080,
  host: '0.0.0.0'
}

app_path = File.expand_path(File.join(__FILE__, '..', '..'))

opts = OptionParser.new do |opts|
  opts.banner = help

  opts.on('-p', '--port PORT', 'Bind port (default 8080).') do |port|
    options[:port] = port.to_i
  end

  opts.on('-o', '--host HOST', 'Hostname or IP address to listen on (default 0.0.0.0).') do |host|
    options[:host] = host
  end

  opts.on('-s', '--server SERVER', 'serve using SERVER (webrick/mongrel/thin)') do |server|
    options[:server] = server
  end

  opts.on('-c', '--config CONFIG', 'Path to the Olelo configuration, sets the $OLELO_CONFIG environment variable.') do |config|
    ENV['OLELO_CONFIG'] = File.expand_path(config)
  end

  opts.on('-v', '--version', 'Display current version.') do
    require File.join(app_path, 'lib', 'olelo', 'version.rb')
    puts "Olelo #{Olelo::VERSION}"
    exit
  end

  opts.on_tail('-h', '--help', 'Show this message') do
    puts opts
    exit
  end
end
opts.parse!(ARGV)

if ARGV.size == 1
  Dir.chdir(ARGV.first)
elsif ARGV.size > 1
  puts "Too many arguments: #{ARGV.join(' ')}"
  puts opts
  exit
end

Rack::Server.start(Port: options[:port],
                   Host: options[:host],
                   server: options[:server],
                   config: File.join(app_path, 'config.ru'))