auto refresh moai main.lua

run_moai.rb

#! /usr/bin/ruby

# run_moai.rb
# wookay.noh at gmail.com


# sudo gem install filewatcher

require 'rubygems'
require 'filewatcher'

WatchFiles = []
WATCH_PATTERN = /.lua$/
require 'find'
Find.find('.') do |filename|
  if filename =~ WATCH_PATTERN
    path = Dir.pwd + filename[1..-1]
    WatchFiles.push path
  end
end


$main_lua = 'main.lua'

$job = nil
def kill_previous_job
  if nil == $job
  else
     Process.kill("HUP", $job)
  end
end
def run_main
  kill_previous_job
  $job = fork do
    exec "moai #{$main_lua}"
  end
  Process.detach($job)
end

if ARGV.to_s == ''
else
  $main_lua = ARGV.to_s
end

run_main

FileWatcher.new(WatchFiles).watch(0.5) do |filename|
  puts "Updated " + filename
  run_main
end