func main() {
dev, _ := fsevents.DeviceForPath("/tmp")
log.Print(dev)
log.Println(fsevents.EventIDForDeviceBeforeTime(dev, time.Now()))
es := &fsevents.EventStream{
Paths: []string{"/tmp"},
Latency: 500 * time.Millisecond,
// Device: dev,
Flags: fsevents.FileEvents | fsevents.WatchRoot}
es.Start()
ec := es.Events
go func() {
for msg := range ec {
for _, event := range msg {
logEvent(event)
}
}
}()
in := bufio.NewReader(os.Stdin)
if false {
log.Print("Started, press enter to GC")
in.ReadString('\n')
runtime.GC()
log.Print("GC'd, press enter to quit")
in.ReadString('\n')
} else {
log.Print("Started, press enter to stop")
in.ReadString('\n')
es.Stop()
log.Print("Stopped, press enter to restart")
in.ReadString('\n')
es.Resume = true
es.Start()
log.Print("Restarted, press enter to quit")
in.ReadString('\n')
es.Stop()
}
}
func Watch(restart string, done <-chan struct{}, change func()) error {
lastStat, err := os.Stat(restart)
if err != nil {
return err
}
dev, err := fsevents.DeviceForPath(restart)
if err != nil {
return err
}
es := &fsevents.EventStream{
Paths: []string{restart},
Latency: 500 * time.Millisecond,
Device: dev,
Flags: fsevents.FileEvents | fsevents.IgnoreSelf,
}
es.Start()
defer es.Stop()
for {
select {
case <-es.Events:
cur, err := os.Stat(restart)
if err != nil {
return err
}
if cur.ModTime().After(lastStat.ModTime()) {
change()
}
case <-done:
return nil
}
}
}