From 25a120401b340602b34207412a581d699704a8b2 Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Sat, 10 Sep 2016 22:39:16 +0900
Subject: [PATCH 1/2] use go-isatty since ssh/terminal is bigger

---
 options.go | 6 +++---
 sift.go    | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/options.go b/options.go
index d9e20bf7..3e1438a6 100644
--- a/options.go
+++ b/options.go
@@ -30,7 +30,7 @@ import (
 	"strconv"
 	"strings"
 
-	"golang.org/x/crypto/ssh/terminal"
+	"github.com/mattn/go-isatty"
 )
 
 type Options struct {
@@ -714,7 +714,7 @@ func (o *Options) performAutoDetections(patterns []string, targets []string) {
 	if o.Color == "auto" {
 		// auto activate colored output only if STDOUT is a terminal
 		if o.Output == "" {
-			if runtime.GOOS != "windows" && terminal.IsTerminal(int(os.Stdout.Fd())) {
+			if isatty.IsTerminal(os.Stdout.Fd()) {
 				o.Color = "on"
 			} else {
 				o.Color = "off"
@@ -725,7 +725,7 @@ func (o *Options) performAutoDetections(patterns []string, targets []string) {
 	}
 
 	if o.GroupByFile {
-		if !terminal.IsTerminal(int(os.Stdout.Fd())) {
+		if !isatty.IsTerminal(os.Stdout.Fd()) {
 			o.GroupByFile = false
 		}
 	}
diff --git a/sift.go b/sift.go
index 3b55134b..5c9dab90 100644
--- a/sift.go
+++ b/sift.go
@@ -31,10 +31,10 @@ import (
 	"sync"
 	"time"
 
+	"github.com/mattn/go-isatty"
 	"github.com/svent/go-flags"
 	"github.com/svent/go-nbreader"
 	"github.com/svent/sift/gitignore"
-	"golang.org/x/crypto/ssh/terminal"
 )
 
 const (
@@ -641,7 +641,7 @@ func main() {
 
 	if len(args) == 0 {
 		// check whether there is input on STDIN
-		if !terminal.IsTerminal(int(os.Stdin.Fd())) {
+		if !isatty.IsTerminal(os.Stdin.Fd()) {
 			targets = []string{"-"}
 		} else {
 			targets = []string{"."}

From 044828d75048dc24989f5589cf3a113f3e32bf06 Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Sat, 10 Sep 2016 22:42:28 +0900
Subject: [PATCH 2/2] wrap with go-colorable on windows

---
 options.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/options.go b/options.go
index 3e1438a6..a20a8734 100644
--- a/options.go
+++ b/options.go
@@ -30,6 +30,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/mattn/go-colorable"
 	"github.com/mattn/go-isatty"
 )
 
@@ -716,6 +717,9 @@ func (o *Options) performAutoDetections(patterns []string, targets []string) {
 		if o.Output == "" {
 			if isatty.IsTerminal(os.Stdout.Fd()) {
 				o.Color = "on"
+				if runtime.GOOS == "windows" {
+					global.outputFile = colorable.NewColorableStdout()
+				}
 			} else {
 				o.Color = "off"
 			}