13 files changed, 20 insertions, 147 deletions
diff --git a/vendor/golang.org/x/term/AUTHORS b/vendor/golang.org/x/term/AUTHORS
deleted file mode 100644
index 15167cd..0000000
--- a/vendor/golang.org/x/term/AUTHORS
+++ /dev/null
@@ -1,3 +0,0 @@
-# This source code refers to The Go Authors for copyright purposes.
-# The master list of authors is in the main Go distribution,
-# visible at http://tip.golang.org/AUTHORS.
diff --git a/vendor/golang.org/x/term/CONTRIBUTORS b/vendor/golang.org/x/term/CONTRIBUTORS
deleted file mode 100644
index 1c4577e..0000000
--- a/vendor/golang.org/x/term/CONTRIBUTORS
+++ /dev/null
@@ -1,3 +0,0 @@
-# This source code was written by the Go contributors.
-# The master list of contributors is in the main Go distribution,
-# visible at http://tip.golang.org/CONTRIBUTORS.
diff --git a/vendor/golang.org/x/term/README.md b/vendor/golang.org/x/term/README.md
index e0f390c..d03d0ae 100644
--- a/vendor/golang.org/x/term/README.md
+++ b/vendor/golang.org/x/term/README.md
@@ -1,5 +1,7 @@
 # Go terminal/console support
 
+[![Go Reference](https://pkg.go.dev/badge/golang.org/x/term.svg)](https://pkg.go.dev/golang.org/x/term)
+
 This repository provides Go terminal and console support packages.
 
 ## Download/Install
diff --git a/vendor/golang.org/x/term/codereview.cfg b/vendor/golang.org/x/term/codereview.cfg
new file mode 100644
index 0000000..3f8b14b
--- /dev/null
+++ b/vendor/golang.org/x/term/codereview.cfg
@@ -0,0 +1 @@
+issuerepo: golang/go
diff --git a/vendor/golang.org/x/term/term.go b/vendor/golang.org/x/term/term.go
index 69931cc..1a40d10 100644
--- a/vendor/golang.org/x/term/term.go
+++ b/vendor/golang.org/x/term/term.go
@@ -7,11 +7,13 @@
 //
 // Putting a terminal into raw mode is the most common requirement:
 //
-// 	oldState, err := terminal.MakeRaw(0)
-// 	if err != nil {
-// 	        panic(err)
-// 	}
-// 	defer terminal.Restore(0, oldState)
+//	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+//	if err != nil {
+//	        panic(err)
+//	}
+//	defer term.Restore(int(os.Stdin.Fd()), oldState)
+//
+// Note that on non-Unix systems os.Stdin.Fd() may not be 0.
 package term
 
 // State contains the state of a terminal.
diff --git a/vendor/golang.org/x/term/term_solaris.go b/vendor/golang.org/x/term/term_solaris.go
deleted file mode 100644
index b9da297..0000000
--- a/vendor/golang.org/x/term/term_solaris.go
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2019 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.
-
-package term
-
-import (
-	"io"
-	"syscall"
-
-	"golang.org/x/sys/unix"
-)
-
-// State contains the state of a terminal.
-type state struct {
-	termios unix.Termios
-}
-
-func isTerminal(fd int) bool {
-	_, err := unix.IoctlGetTermio(fd, unix.TCGETA)
-	return err == nil
-}
-
-func readPassword(fd int) ([]byte, error) {
-	// see also: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c
-	val, err := unix.IoctlGetTermios(fd, unix.TCGETS)
-	if err != nil {
-		return nil, err
-	}
-	oldState := *val
-
-	newState := oldState
-	newState.Lflag &^= syscall.ECHO
-	newState.Lflag |= syscall.ICANON | syscall.ISIG
-	newState.Iflag |= syscall.ICRNL
-	err = unix.IoctlSetTermios(fd, unix.TCSETS, &newState)
-	if err != nil {
-		return nil, err
-	}
-
-	defer unix.IoctlSetTermios(fd, unix.TCSETS, &oldState)
-
-	var buf [16]byte
-	var ret []byte
-	for {
-		n, err := syscall.Read(fd, buf[:])
-		if err != nil {
-			return nil, err
-		}
-		if n == 0 {
-			if len(ret) == 0 {
-				return nil, io.EOF
-			}
-			break
-		}
-		if buf[n-1] == '\n' {
-			n--
-		}
-		ret = append(ret, buf[:n]...)
-		if n < len(buf) {
-			break
-		}
-	}
-
-	return ret, nil
-}
-
-func makeRaw(fd int) (*State, error) {
-	// see http://cr.illumos.org/~webrev/andy_js/1060/
-	termios, err := unix.IoctlGetTermios(fd, unix.TCGETS)
-	if err != nil {
-		return nil, err
-	}
-
-	oldState := State{state{termios: *termios}}
-
-	termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
-	termios.Oflag &^= unix.OPOST
-	termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN
-	termios.Cflag &^= unix.CSIZE | unix.PARENB
-	termios.Cflag |= unix.CS8
-	termios.Cc[unix.VMIN] = 1
-	termios.Cc[unix.VTIME] = 0
-
-	if err := unix.IoctlSetTermios(fd, unix.TCSETS, termios); err != nil {
-		return nil, err
-	}
-
-	return &oldState, nil
-}
-
-func restore(fd int, oldState *State) error {
-	return unix.IoctlSetTermios(fd, unix.TCSETS, &oldState.termios)
-}
-
-func getState(fd int) (*State, error) {
-	termios, err := unix.IoctlGetTermios(fd, unix.TCGETS)
-	if err != nil {
-		return nil, err
-	}
-
-	return &State{state{termios: *termios}}, nil
-}
-
-func getSize(fd int) (width, height int, err error) {
-	ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
-	if err != nil {
-		return 0, 0, err
-	}
-	return int(ws.Col), int(ws.Row), nil
-}
diff --git a/vendor/golang.org/x/term/term_unix.go b/vendor/golang.org/x/term/term_unix.go
index 4c60e45..62c2b3f 100644
--- a/vendor/golang.org/x/term/term_unix.go
+++ b/vendor/golang.org/x/term/term_unix.go
@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux netbsd openbsd zos
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package term
 
@@ -59,7 +60,7 @@ func restore(fd int, state *State) error {
 func getSize(fd int) (width, height int, err error) {
 	ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ)
 	if err != nil {
-		return -1, -1, err
+		return 0, 0, err
 	}
 	return int(ws.Col), int(ws.Row), nil
 }
diff --git a/vendor/golang.org/x/term/term_unix_aix.go b/vendor/golang.org/x/term/term_unix_aix.go
deleted file mode 100644
index 2d5efd2..0000000
--- a/vendor/golang.org/x/term/term_unix_aix.go
+++ /dev/null
@@ -1,10 +0,0 @@
-// Copyright 2019 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.
-
-package term
-
-import "golang.org/x/sys/unix"
-
-const ioctlReadTermios = unix.TCGETS
-const ioctlWriteTermios = unix.TCSETS
diff --git a/vendor/golang.org/x/term/term_unix_bsd.go b/vendor/golang.org/x/term/term_unix_bsd.go
index 3342be0..853b3d6 100644
--- a/vendor/golang.org/x/term/term_unix_bsd.go
+++ b/vendor/golang.org/x/term/term_unix_bsd.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
 // +build darwin dragonfly freebsd netbsd openbsd
 
 package term
diff --git a/vendor/golang.org/x/term/term_unix_linux.go b/vendor/golang.org/x/term/term_unix_other.go
index 2d5efd2..1e8955c 100644
--- a/vendor/golang.org/x/term/term_unix_linux.go
+++ b/vendor/golang.org/x/term/term_unix_other.go
@@ -1,7 +1,10 @@
-// Copyright 2019 The Go Authors. All rights reserved.
+// Copyright 2021 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.
 
+//go:build aix || linux || solaris || zos
+// +build aix linux solaris zos
+
 package term
 
 import "golang.org/x/sys/unix"
diff --git a/vendor/golang.org/x/term/term_unix_zos.go b/vendor/golang.org/x/term/term_unix_zos.go
deleted file mode 100644
index b85ab89..0000000
--- a/vendor/golang.org/x/term/term_unix_zos.go
+++ /dev/null
@@ -1,10 +0,0 @@
-// Copyright 2020 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.
-
-package term
-
-import "golang.org/x/sys/unix"
-
-const ioctlReadTermios = unix.TCGETS
-const ioctlWriteTermios = unix.TCSETS
diff --git a/vendor/golang.org/x/term/term_unsupported.go b/vendor/golang.org/x/term/term_unsupported.go
index 8b5d1ba..f1df850 100644
--- a/vendor/golang.org/x/term/term_unsupported.go
+++ b/vendor/golang.org/x/term/term_unsupported.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !zos && !windows && !solaris && !plan9
 // +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!zos,!windows,!solaris,!plan9
 
 package term
diff --git a/vendor/golang.org/x/term/terminal.go b/vendor/golang.org/x/term/terminal.go
index 535ab82..f636667 100644
--- a/vendor/golang.org/x/term/terminal.go
+++ b/vendor/golang.org/x/term/terminal.go
@@ -233,7 +233,6 @@ func (t *Terminal) queue(data []rune) {
 	t.outBuf = append(t.outBuf, []byte(string(data))...)
 }
 
-var eraseUnderCursor = []rune{' ', keyEscape, '[', 'D'}
 var space = []rune{' '}
 
 func isPrintable(key rune) bool {
@@ -935,7 +934,7 @@ func (s *stRingBuffer) Add(a string) {
 // next most recent, and so on. If such an element doesn't exist then ok is
 // false.
 func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) {
-	if n >= s.size {
+	if n < 0 || n >= s.size {
 		return "", false
 	}
 	index := s.head - n