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//go:build darwin
// +build darwin
package watchers
import (
"time"
"git.sr.ht/~rjarry/aerc/log"
"github.com/fsnotify/fsevents"
)
func init() {
RegisterWatcherFactory(newDarwinWatcher)
}
type darwinWatcher struct {
ch chan *FSEvent
w *fsevents.EventStream
watcherCh chan []fsevents.Event
}
func newDarwinWatcher() (FSWatcher, error) {
watcher := &darwinWatcher{
watcherCh: make(chan []fsevents.Event),
ch: make(chan *FSEvent),
w: &fsevents.EventStream{
Flags: fsevents.FileEvents | fsevents.WatchRoot,
Latency: 500 * time.Millisecond,
},
}
return watcher, nil
}
func (w *darwinWatcher) watch() {
defer log.PanicHandler()
for events := range w.w.Events {
for _, ev := range events {
switch {
case ev.Flags&fsevents.ItemCreated > 0:
w.ch <- &FSEvent{
Operation: FSCreate,
Path: ev.Path,
}
case ev.Flags&fsevents.ItemRenamed > 0:
w.ch <- &FSEvent{
Operation: FSRename,
Path: ev.Path,
}
case ev.Flags&fsevents.ItemRemoved > 0:
w.ch <- &FSEvent{
Operation: FSRemove,
Path: ev.Path,
}
}
}
}
}
func (w *darwinWatcher) Configure(root string) error {
dev, err := fsevents.DeviceForPath(root)
if err != nil {
return err
}
w.w.Device = dev
w.w.Paths = []string{root}
w.w.Start()
go w.watch()
return nil
}
func (w *darwinWatcher) Events() chan *FSEvent {
return w.ch
}
func (w *darwinWatcher) Add(p string) error {
return nil
}
func (w *darwinWatcher) Remove(p string) error {
return nil
}
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