Watch more file events for CRL files

pkg/crlcertdb/crlcertdb.go

@@ -122,14 +122,21 @@ func (d *CRLCertDB) LookupResponseTemplate(number *big.Int) *ocsp.Response {
 }
 
 func (d *CRLCertDB) watchCRLFile(watcher *fsnotify.Watcher) {
+	const eventMask = fsnotify.Create | fsnotify.Write | fsnotify.Chmod | fsnotify.Rename
+
 	for {
 		select {
 		case event, ok := <-watcher.Events:
 			if !ok {
+				logrus.Trace("could not read file watcher event")
 				return
 			}
 
-			if event.Op&fsnotify.Write == fsnotify.Write {
+			logrus.Tracef("received event %s", event)
+
+			if event.Op&eventMask >= 1 {
+				logrus.Tracef("event matches event mask %s", event)
+
 				if event.Name == d.crlPath {
 					logrus.Infof("modified: %s", event.Name)