shairport sync up

shairport_sync_up

#!/usr/bin/env ruby

def shairport!
  system "shairport-sync -d"
end

pidfile = "/usr/local/var/run/shairport-sync.pid"

if File.exist?(pidfile)
  pid = File.read(pidfile).chomp

  processes = `ps aux`.split("\n")
  if processes.map { |pr| pr.split("\s")[1].strip }.any? { |no| no == pid.to_s }
    puts "shairport is already running. pid: #{pid}"
    exit
  else
    puts "process not found pid: #{pid}"
    puts "remove pid file, and restart shairport"
    File.delete(pidfile)
    shairport!
    exit
  end
else
  puts "shairport is not running, start shairport..."
  shairport!
  exit
end