internal/debug: support color terminal for cygwin/msys2 (#17740)

internal/debug/flags.go

@@ -25,10 +25,10 @@ import (
 	"runtime"
 
 	"github.com/XinFinOrg/XDPoSChain/log"
-	"github.com/XinFinOrg/XDPoSChain/log/term"
 	"github.com/XinFinOrg/XDPoSChain/metrics"
 	"github.com/XinFinOrg/XDPoSChain/metrics/exp"
 	colorable "github.com/mattn/go-colorable"
+	"github.com/mattn/go-isatty"
 	"gopkg.in/urfave/cli.v1"
 )
 
@@ -113,7 +113,7 @@ var Flags = []cli.Flag{
 var Glogger *log.GlogHandler
 
 func init() {
-	usecolor := term.IsTty(os.Stderr.Fd()) && os.Getenv("TERM") != "dumb"
+	usecolor := (isatty.IsTerminal(os.Stderr.Fd()) || isatty.IsCygwinTerminal(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb"
 	output := io.Writer(os.Stderr)
 	if usecolor {
 		output = colorable.NewColorableStderr()

log/term/LICENSE

@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2014 Simon Eskildsen
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

log/term/terminal_appengine.go

@@ -1,13 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build appengine
-
-package term
-
-// IsTty always returns false on AppEngine.
-func IsTty(fd uintptr) bool {
-	return false
-}

log/term/terminal_darwin.go

@@ -1,13 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-// +build !appengine
-
-package term
-
-import "syscall"
-
-const ioctlReadTermios = syscall.TIOCGETA
-
-type Termios syscall.Termios

log/term/terminal_freebsd.go

@@ -1,18 +0,0 @@
-package term
-
-import (
-	"syscall"
-)
-
-const ioctlReadTermios = syscall.TIOCGETA
-
-// Go 1.2 doesn't include Termios for FreeBSD. This should be added in 1.3 and this could be merged with terminal_darwin.
-type Termios struct {
-	Iflag  uint32
-	Oflag  uint32
-	Cflag  uint32
-	Lflag  uint32
-	Cc     [20]uint8
-	Ispeed uint32
-	Ospeed uint32
-}

log/term/terminal_linux.go

@@ -1,14 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !appengine
-
-package term
-
-import "syscall"
-
-const ioctlReadTermios = syscall.TCGETS
-
-type Termios syscall.Termios

log/term/terminal_netbsd.go

@@ -1,7 +0,0 @@
-package term
-
-import "syscall"
-
-const ioctlReadTermios = syscall.TIOCGETA
-
-type Termios syscall.Termios

log/term/terminal_notwindows.go

@@ -1,20 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build linux,!appengine darwin freebsd openbsd netbsd
-
-package term
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-// IsTty returns true if the given file descriptor is a terminal.
-func IsTty(fd uintptr) bool {
-	var termios Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
-	return err == 0
-}

log/term/terminal_openbsd.go

@@ -1,7 +0,0 @@
-package term
-
-import "syscall"
-
-const ioctlReadTermios = syscall.TIOCGETA
-
-type Termios syscall.Termios

log/term/terminal_solaris.go

@@ -1,9 +0,0 @@
-package term
-
-import "golang.org/x/sys/unix"
-
-// IsTty returns true if the given file descriptor is a terminal.
-func IsTty(fd uintptr) bool {
-	_, err := unix.IoctlGetTermios(int(fd), unix.TCGETA)
-	return err == nil
-}

log/term/terminal_windows.go

@@ -1,26 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build windows
-
-package term
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var kernel32 = syscall.NewLazyDLL("kernel32.dll")
-
-var (
-	procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
-)
-
-// IsTty returns true if the given file descriptor is a terminal.
-func IsTty(fd uintptr) bool {
-	var st uint32
-	r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, fd, uintptr(unsafe.Pointer(&st)), 0)
-	return r != 0 && e == 0
-}