package main

import (
	"fmt"
	"log"

	"github.com/fsnotify/fsnotify"
)

// create .hold
//     CREATE + CHMOD
// remove
//     REMOVE
// touch existing:
//     CHMOD
// echo > .hold
//
// file name:    ./.hold on linux and just .hold on windows

func main() {
	// Create a new watcher
	watcher, err := fsnotify.NewWatcher()
	if err != nil {
		log.Fatal(err)
	}
	defer watcher.Close()

	// Start listening for events
	go func() {
		for {
			select {
			case event, ok := <-watcher.Events:
				if !ok {
					return
				}
				fmt.Printf("Event: %s File: %s\n", event.Op, event.Name)

				if event.Op&fsnotify.Write == fsnotify.Write {
					fmt.Println("Modified file:", event.Name)
				}
			case err, ok := <-watcher.Errors:
				if !ok {
					return
				}
				fmt.Println("Error:", err)
			}
		}
	}()

	// Add a directory to watch
	err = watcher.Add(".")
	if err != nil {
		log.Fatal(err)
	}

	// Block main goroutine forever
	<-make(chan struct{}, 10)
}