From b26d956e07852e31402c41018d5d4dd9807a9f0c Mon Sep 17 00:00:00 2001
From: Bo-Yi Wu <appleboy.tw@gmail.com>
Date: Sun, 4 Dec 2016 00:30:59 +0800
Subject: [PATCH] fix #752 ignore appengine os.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
---
 logger.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/logger.go b/logger.go
index b4743a7f..ad442d0c 100644
--- a/logger.go
+++ b/logger.go
@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"runtime"
 	"time"
 
 	"golang.org/x/crypto/ssh/terminal"
@@ -48,8 +49,11 @@ func Logger() HandlerFunc {
 // Example: os.Stdout, a file opened in write mode, a socket...
 func LoggerWithWriter(out io.Writer, notlogged ...string) HandlerFunc {
 	isTerm := true
-	if outFile, ok := out.(*os.File); ok {
-		isTerm = terminal.IsTerminal(int(outFile.Fd()))
+
+	if runtime.GOOS != "appengine" && runtime.GOOS != "netbsd" && runtime.GOOS != "openbsd" {
+		if outFile, ok := out.(*os.File); ok {
+			isTerm = terminal.IsTerminal(int(outFile.Fd()))
+		}
 	}
 
 	var skip map[string]struct{}