check to distinguish between current log file and rotated log files

nats-io · Aug 22, 2024 · c66470f · c66470f
1 parent e6e5153
commit c66470f
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/logger/log.go b/logger/log.go
@@ -213,10 +213,13 @@ func (l *fileLogger) logPurge(fname string) {
 		if entry.IsDir() || entry.Name() == lBase || !strings.HasPrefix(entry.Name(), baseWithoutExt+".") {
 			continue
 		}
-		if stamp, found := strings.CutPrefix(entry.Name(), fmt.Sprintf("%s.", baseWithoutExt)); found {
-			_, err := time.Parse("2006:01:02:15:04:05.999999999", strings.Replace(stamp, ".", ":", 5))
-			if err == nil {
-				backups = append(backups, entry.Name())
+		if strings.HasSuffix(entry.Name(), ".log") {
+			if stamp, found := strings.CutPrefix(entry.Name(), fmt.Sprintf("%s.", baseWithoutExt)); found {
+				stamp = strings.TrimSuffix(stamp, ".log")
+				_, err := time.Parse("2006:01:02:15:04:05.999999999", strings.Replace(stamp, ".", ":", 5))
+				if err == nil {
+					backups = append(backups, entry.Name())
+				}
 			}
 		}
 	}