func waitForWatcher(ctx context.Context, watcher *inotify.Watcher, match matcherFunc, tpl *template.Template, monitor bool) {
defer watcher.Close()
for {
select {
case <-ctx.Done(): // Timeout
os.Exit(2)
return
case ev := <-watcher.Event:
if !match(ev) {
break
}
if tpl != nil {
tpl.Execute(os.Stdout, ev)
log.Infoln()
} else {
log.Infoln(ev)
}
// Finish if not monitoring mode.
if !monitor {
return
}
case err := <-watcher.Error:
log.Fatal(err)
}
}
}
