Vagrant Guest Guard HTTP Solution

Guardfile.rb

require 'sinatra'
require 'json'

# Use of guard-yield based on wisdom from https://github.com/e2
# use of HTTP crime by @joshco

class SinatraGuard < Sinatra::Base

  set :bind, '0.0.0.0'
  set :port, 4000

  post '/v1/change' do
    obj=JSON.parse(request.body.read,:symbolize_names => true)

    modified=obj[:modified]
    added=obj[:added]
    removed=obj[:removed]
    Guard.async_queue_add(modified: modified, added: added, removed: removed)
  end

end

sinatra_start = proc do
  th=Thread.new do
    SinatraGuard.run!
  end

end

sinatra_quit = proc do
  SinatraGuard.quit!
end

guard :yield, {start: sinatra_start, stop: sinatra_quit } do
  # nothing
end

win_listen.rb

require 'faraday'
require 'listen'
require 'json'

# @joshco

url = 'http://192.168.10.10:4000'
watch_dir='../vb2/tmx'

$abs_path=File.absolute_path(watch_dir) + '/'

def relative_path(file)
  return nil if file.nil?
  relative_path=file.sub($abs_path,'')
  relative_path
end

def relativize_array(array)
  return [] if array.empty?
  array.map { |m| relative_path(m) }
end

listener = Listen.to(watch_dir) do |modified, added, removed|
  modified_relative=relativize_array(modified)
  added_relative=relativize_array(added)
  removed_relative=relativize_array(removed)

  payload = {
      modified: modified_relative,
      added: added_relative,
      removed: removed_relative
  }

  puts payload

  http=Faraday.new(url: url) do |conn|
    conn.adapter :net_http
  end

  http.post do |req|
    req.url '/v1/change'
    req.headers['Content-Type']='application/json'
    req.body=payload.to_json
  end
end

listener.start # not blocking

puts "Listening to #{watch_dir}"

sleep