# frozen_string_literal: true require 'puma/plugin' Puma::Plugin.create do def start(launcher) path = File.join("tmp", "restart.txt") orig = nil # If we can't write to the path, then just don't bother with this plugin begin File.write(path, "") unless File.exist?(path) orig = File.stat(path).mtime rescue SystemCallError return end in_background do while true sleep 2 begin mtime = File.stat(path).mtime rescue SystemCallError # If the file has disappeared, assume that means don't restart else if mtime > orig launcher.restart break end end end end end end