inotify-freeze.go

package main

import (
	"fmt"
	"gopkg.in/fsnotify.v1"
	"os"
)

var watcher *fsnotify.Watcher

func doWatch(path string) {
	fmt.Printf("watching %v\n", path)
	watcher.Add(path)
}

func unWatch(path string) {
	fmt.Printf("unwatching %v\n", path)
	watcher.Remove(path)
}

func main() {
	watcher, _ = fsnotify.NewWatcher()
	os.Mkdir("/tmp/watch-test", 0777)
	os.Mkdir("/tmp/watch-test/a", 0777)
	os.Mkdir("/tmp/watch-test/a", 0777)

	doWatch("/tmp/watch-test")
	doWatch("/tmp/watch-test/a")
	doWatch("/tmp/watch-test/b")

	unWatch("/tmp/watch-test")
	doWatch("/tmp/watch-test")

	fmt.Println("removing /tmp/watch-test/a")
	os.Remove("/tmp/watch-test/a")
	unWatch("/tmp/watch-test")
	doWatch("/tmp/watch-test")

	fmt.Println("done")
}