x-cray#24 Fix double space in log line with empty message

formatter.go

@@ -327,16 +327,27 @@ func (f *TextFormatter) printColored(b *bytes.Buffer, entry *logrus.Entry, keys
 	}
 
 	if f.DisableTimestamp {
-		fmt.Fprintf(b, "%s"+ prefixFormat + " " + messageFormat, level, prefix, message)
+		if message == "" {
+			fmt.Fprintf(b, "%s"+ prefixFormat, level, prefix)
+		} else {
+			fmt.Fprintf(b, "%s"+ prefixFormat + " " + messageFormat, level, prefix, message)
+		}
 	} else {
 		var timestamp string
 		if !f.FullTimestamp {
 			timestamp = fmt.Sprintf("[%04d]", miniTS())
 		} else {
 			timestamp = fmt.Sprintf("[%s]", entry.Time.Format(timestampFormat))
 		}
-		fmt.Fprintf(b, "%s %s" + prefixFormat + " " + messageFormat, colorScheme.TimestampColor(timestamp), level, prefix, message)
+
+		coloredTimestamp := colorScheme.TimestampColor(timestamp)
+		if message == "" {
+			fmt.Fprintf(b, "%s %s" + prefixFormat, coloredTimestamp, level, prefix)
+		} else {
+			fmt.Fprintf(b, "%s %s" + prefixFormat + " " + messageFormat, coloredTimestamp, level, prefix, message)
+		}
 	}
+
 	for _, k := range keys {
 		if k != "prefix" {
 			v := entry.Data[k]