#!/usr/bin/env ruby
require 'rb-fsevent'

if ARGV.length < 2
  STDERR.puts "watchr dir ruby-parameter(s)..."
  abort
end

paths = ARGV.shift.split(",")
$args = ARGV.dup


def do_ruby
  STDERR.puts $args.join(" ")
  STDERR.puts "=" * 80
  
  system(*$args)
end

puts "Initial run"
do_ruby

fsevent = FSEvent.new
fsevent.watch paths do |directories|
  puts "Detected change inside: #{directories.inspect}"
  do_ruby
end
fsevent.run