added pretty print option for json logs

README.md

@@ -1,5 +1,7 @@
 # Logrus <img src="http://i.imgur.com/hTeVwmJ.png" width="40" height="40" alt=":walrus:" class="emoji" title=":walrus:"/>&nbsp;[![Build Status](https://travis-ci.org/sirupsen/logrus.svg?branch=master)](https://travis-ci.org/sirupsen/logrus)&nbsp;[![GoDoc](https://godoc.org/github.com/sirupsen/logrus?status.svg)](https://godoc.org/github.com/sirupsen/logrus)
 
+**this is an exact clone of the Logrus repo [here](https://github.com/sirupsen/logrus), the only change that has been made is json formatter takes in a setting to pretty print json logs for easier debugging**
+
 Logrus is a structured logger for Go (golang), completely API compatible with
 the standard library logger.
 

json_formatter.go

@@ -43,6 +43,9 @@ type JSONFormatter struct {
 	//    },
 	// }
 	FieldMap FieldMap
+
+	// PrettyPrint will indent all json logs
+	PrettyPrint bool
 }
 
 // Format renders a single log entry
@@ -71,7 +74,15 @@ func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
 	data[f.FieldMap.resolve(FieldKeyMsg)] = entry.Message
 	data[f.FieldMap.resolve(FieldKeyLevel)] = entry.Level.String()
 
-	serialized, err := json.Marshal(data)
+	var serialized []byte
+	var err error
+
+	if f.PrettyPrint {
+		serialized, err = json.MarshalIndent(data, "", "\t")
+	} else {
+		serialized, err = json.Marshal(data)
+	}
+
 	if err != nil {
 		return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
 	}