package main

import (
  "fmt"
  "log"

  "github.com/fsnotify/fsnotify"
)

func watchForConfigChanges() {
  watcher, err := fsnotify.NewWatcher()
  if err != nil {
    log.Fatal(err)
  }
  defer watcher.Close()

  done := make(chan bool)
  go func() {
    for {
      select {
      case event := <-watcher.Events:
        log.Println("event: ", event)
        if event.Op&fsnotify.Write == fsnotify.Write {
          log.Println("modified file:", event.Name)
        }
      case err := <-watcher.Errors:
        log.Println("error:", err)
      }
    }
  }()

  // TODO: Add working directory
  err = watcher.Add("/tmp/test")
  if err != nil {
    log.Fatal(err)
  }
  <-done
}

func main() {
  fmt.Printf("Ready\n")
  watchForConfigChanges()
}