Update console dep to 84eeaae905fa414d03e07bcd6c8d

This change removes the ClearONLCR from the console package providing
a console with the default settings from the console package.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

vendor.conf

@@ -1,6 +1,6 @@
 github.com/coreos/go-systemd 48702e0da86bd25e76cfef347e2adeb434a0d0a6
 github.com/containerd/go-runc b3c048c028ddd789c6f9510c597f8b9c62f25359
-github.com/containerd/console b28c739c79ce69d017e3691ad3664568d68e95c6
+github.com/containerd/console 84eeaae905fa414d03e07bcd6c8d3f19e7cf180e
 github.com/containerd/cgroups 5933ab4dc4f7caa3a73a1dc141bd11f42b5c9163
 github.com/containerd/typeurl f6943554a7e7e88b3c14aad190bf05932da84788
 github.com/docker/go-metrics 8fd5772bf1584597834c6f7961a530f06cbfbb87

vendor/github.com/containerd/console/console.go

@@ -44,7 +44,13 @@ type WinSize struct {
 
 // Current returns the current processes console
 func Current() Console {
-	return newMaster(os.Stdin)
+	c, err := ConsoleFromFile(os.Stdin)
+	if err != nil {
+		// stdin should always be a console for the design
+		// of this function
+		panic(err)
+	}
+	return c
 }
 
 // ConsoleFromFile returns a console using the provided file
@@ -52,5 +58,5 @@ func ConsoleFromFile(f *os.File) (Console, error) {
 	if err := checkConsole(f); err != nil {
 		return nil, err
 	}
-	return newMaster(f), nil
+	return newMaster(f)
 }

vendor/github.com/containerd/console/console_unix.go

@@ -16,9 +16,6 @@ func NewPty() (Console, string, error) {
 	if err != nil {
 		return nil, "", err
 	}
-	if err := saneTerminal(f); err != nil {
-		return nil, "", err
-	}
 	slave, err := ptsname(f)
 	if err != nil {
 		return nil, "", err
@@ -26,9 +23,11 @@ func NewPty() (Console, string, error) {
 	if err := unlockpt(f); err != nil {
 		return nil, "", err
 	}
-	return &master{
-		f: f,
-	}, slave, nil
+	m, err := newMaster(f)
+	if err != nil {
+		return nil, "", err
+	}
+	return m, slave, nil
 }
 
 type master struct {
@@ -72,9 +71,6 @@ func (m *master) getCurrent() (unix.Termios, error) {
 	if err := tcget(m.f.Fd(), &termios); err != nil {
 		return unix.Termios{}, err
 	}
-	if m.original == nil {
-		m.original = &termios
-	}
 	return termios, nil
 }
 
@@ -118,17 +114,29 @@ func checkConsole(f *os.File) error {
 	return nil
 }
 
-func newMaster(f *os.File) Console {
-	return &master{
+func newMaster(f *os.File) (Console, error) {
+	m := &master{
 		f: f,
 	}
+	t, err := m.getCurrent()
+	if err != nil {
+		return nil, err
+	}
+	m.original = &t
+	return m, nil
 }
 
-// SaneTerminal sets the necessary tty_ioctl(4)s to ensure that a pty pair
+// ClearONLCR sets the necessary tty_ioctl(4)s to ensure that a pty pair
 // created by us acts normally. In particular, a not-very-well-known default of
 // Linux unix98 ptys is that they have +onlcr by default. While this isn't a
 // problem for terminal emulators, because we relay data from the terminal we
 // also relay that funky line discipline.
-func SaneTerminal(f *os.File) error {
-	return saneTerminal(f)
+func ClearONLCR(fd uintptr) error {
+	return setONLCR(fd, false)
+}
+
+// SetONLCR sets the necessary tty_ioctl(4)s to ensure that a pty pair
+// created by us acts as intended for a terminal emulator.
+func SetONLCR(fd uintptr) error {
+	return setONLCR(fd, true)
 }

vendor/github.com/containerd/console/console_windows.go

@@ -190,13 +190,11 @@ func checkConsole(f *os.File) error {
 	return nil
 }
 
-func newMaster(f *os.File) Console {
+func newMaster(f *os.File) (Console, error) {
 	if f != os.Stdin && f != os.Stdout && f != os.Stderr {
-		panic("creating a console from a file is not supported on windows")
+		return nil, errors.New("creating a console from a file is not supported on windows")
 	}
-
 	m := &master{}
 	m.initStdios()
-
-	return m
+	return m, nil
 }

vendor/github.com/containerd/console/tc_unix.go

@@ -3,8 +3,6 @@
 package console
 
 import (
-	"os"
-
 	"golang.org/x/sys/unix"
 )
 
@@ -49,14 +47,19 @@ func tcswinsz(fd uintptr, ws WinSize) error {
 	return unix.IoctlSetWinsize(int(fd), unix.TIOCSWINSZ, &uws)
 }
 
-func saneTerminal(f *os.File) error {
+func setONLCR(fd uintptr, enable bool) error {
 	var termios unix.Termios
-	if err := tcget(f.Fd(), &termios); err != nil {
+	if err := tcget(fd, &termios); err != nil {
 		return err
 	}
+	if enable {
+		// Set +onlcr so we can act like a real terminal
+		termios.Oflag |= unix.ONLCR
+	} else {
 		// Set -onlcr so we don't have to deal with \r.
 		termios.Oflag &^= unix.ONLCR
-	return tcset(f.Fd(), &termios)
+	}
+	return tcset(fd, &termios)
 }
 
 func cfmakeraw(t unix.Termios) unix.Termios {