expanded on pull request 7 by @sm3142 and made same changes to all handlers.

Author: joeybloggs

README.md

@@ -1,6 +1,6 @@
 ## log
 <img align="right" src="https://raw.githubusercontent.com/go-playground/log/master/logo.png">
-![Project status](https://img.shields.io/badge/version-4.0.0-green.svg)
+![Project status](https://img.shields.io/badge/version-4.0.1-green.svg)
 [![Build Status](https://semaphoreci.com/api/v1/joeybloggs/log/branches/master/badge.svg)](https://semaphoreci.com/joeybloggs/log)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/log/badge.svg?branch=master)](https://coveralls.io/github/go-playground/log?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/go-playground/log)](https://goreportcard.com/report/github.com/go-playground/log)

handlers/console/console.go

@@ -7,6 +7,7 @@ import (
 	stdlog "log"
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/go-playground/log"
 )
@@ -358,7 +359,12 @@ func defaultFormatFunc(c *Console) Formatter {
 					}
 				}
 			} else {
-				file = file[len(gopath):]
+
+				// additional check, just in case user does
+				// have a $GOPATH but code isnt under it.
+				if strings.HasPrefix(file, gopath) {
+					file = file[len(gopath):]
+				}
 			}
 
 			b = append(b, e.Timestamp.Format(tsFormat)...)

handlers/email/email.go

@@ -5,6 +5,7 @@ import (
 	"html/template"
 	stdlog "log"
 	"os"
+	"strings"
 	"sync"
 	"time"
 
@@ -171,7 +172,12 @@ func (email *Email) Run() chan<- *log.Entry {
 						}
 					}
 				} else {
-					file = file[len(email.gopath):]
+
+					// additional check, just in case user does
+					// have a $GOPATH but code isnt under it.
+					if strings.HasPrefix(file, email.gopath) {
+						file = file[len(email.gopath):]
+					}
 				}
 
 				return

handlers/http/hipchat/hipchat.go

@@ -209,7 +209,12 @@ func (hc *HipChat) Run() chan<- *log.Entry {
 						}
 					}
 				} else {
-					file = file[len(hc.GOPATH()):]
+
+					// additional check, just in case user does
+					// have a $GOPATH but code isnt under it.
+					if strings.HasPrefix(file, hc.GOPATH()) {
+						file = file[len(hc.GOPATH()):]
+					}
 				}
 
 				return

handlers/http/http.go

@@ -9,6 +9,7 @@ import (
 	"net/url"
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/go-playground/log"
 )
@@ -221,7 +222,12 @@ func defaultFormatFunc(h HTTP) Formatter {
 					}
 				}
 			} else {
-				file = file[len(gopath):]
+
+				// additional check, just in case user does
+				// have a $GOPATH but code isnt under it.
+				if strings.HasPrefix(file, gopath) {
+					file = file[len(gopath):]
+				}
 			}
 
 			b = append(b, e.Timestamp.Format(tsFormat)...)

handlers/syslog/syslog.go

@@ -350,6 +350,9 @@ func defaultFormatFunc(s *Syslog) Formatter {
 					}
 				}
 			} else {
+
+				// additional check, just in case user does
+				// have a $GOPATH but code isnt under it.
 				if strings.HasPrefix(file, gopath) {
 					file = file[len(gopath):]
 				}