canvas-lms/bin/byebug-remote

#!/usr/bin/env ruby

require 'byebug/core'
require 'tmpdir'

def byebug_port_file
  File.join(Dir.tmpdir, 'byebug.port')
end

def byebug_port
  return unless File.exist?(byebug_port_file)

  File.read(byebug_port_file).to_i
end

def connect
  begin
    while !byebug_port do
      puts "Waiting for byebug port..."
      sleep 0.5
    end

    Byebug.start_client('localhost', byebug_port)
  rescue Errno::ECONNREFUSED
  end
end

while !connect do
  sleep 0.5
end