bump dependencies

vendor/github.com/gdamore/tcell/v2/README.adoc

@@ -54,6 +54,7 @@ Version 1.x remains available using the import `github.com/gdamore/tcell`.
 * https://github.com/noborus/ov[ov] - Terminal pager
 * https://github.com/gcla/tmux-wormhole[tmux-wormhole] - A tmux plugin to transfer files with magic wormhole
 * https://github.com/anaseto/gruid-tcell[gruid-tcell] - A tcell driver for the grid based UI and game framework gruid.
+* https://github.com/aretext/aretext[aretext] - Minimalist text editor with vim key bindings.
 
 == Pure Go Terminfo Database
 

vendor/github.com/gdamore/tcell/v2/go.sum

@@ -6,8 +6,6 @@ github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRR
 github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
 github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
 github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
-golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 h1:9nuHUbU8dRnRRfj9KjWUVrJeoexdbeMjttk6Oh1rD10=
-golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 h1:nxC68pudNYkKU6jWhgrqdreuFiOQWj1Fs7T3VrH4Pjw=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf h1:MZ2shdL+ZM/XzY3ZGOnh4Nlpnxz5GSOhOmtHo3iPU6M=

vendor/github.com/gdamore/tcell/v2/nonblock_bsd.go

@@ -26,6 +26,7 @@ import (
 
 // tcSetBufParams is used by the tty driver on UNIX systems to configure the
 // buffering parameters (minimum character count and minimum wait time in msec.)
+// This also waits for output to drain first.
 func tcSetBufParams(fd int, vMin uint8, vTime uint8) error {
 	_ = syscall.SetNonblock(fd, true)
 	tio, err := unix.IoctlGetTermios(fd, unix.TIOCGETA)
@@ -34,7 +35,7 @@ func tcSetBufParams(fd int, vMin uint8, vTime uint8) error {
 	}
 	tio.Cc[unix.VMIN] = vMin
 	tio.Cc[unix.VTIME] = vTime
-	if err = unix.IoctlSetTermios(fd, unix.TIOCSETA, tio); err != nil {
+	if err = unix.IoctlSetTermios(fd, unix.TIOCSETAW, tio); err != nil {
 		return err
 	}
 	return nil

vendor/github.com/gdamore/tcell/v2/nonblock_unix.go

@@ -24,6 +24,7 @@ import (
 
 // tcSetBufParams is used by the tty driver on UNIX systems to configure the
 // buffering parameters (minimum character count and minimum wait time in msec.)
+// This also waits for output to drain first.
 func tcSetBufParams(fd int, vMin uint8, vTime uint8) error {
 	_ = syscall.SetNonblock(fd, true)
 	tio, err := unix.IoctlGetTermios(fd, unix.TCGETS)
@@ -32,7 +33,7 @@ func tcSetBufParams(fd int, vMin uint8, vTime uint8) error {
 	}
 	tio.Cc[unix.VMIN] = vMin
 	tio.Cc[unix.VTIME] = vTime
-	if err = unix.IoctlSetTermios(fd, unix.TCSETS, tio); err != nil {
+	if err = unix.IoctlSetTermios(fd, unix.TCSETSW, tio); err != nil {
 		return err
 	}
 	return nil

vendor/github.com/gdamore/tcell/v2/stdin_unix.go

@@ -0,0 +1,177 @@
+// Copyright 2021 The TCell Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use file except in compliance with the License.
+// You may obtain a copy of the license at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
+
+package tcell
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"os/signal"
+	"strconv"
+	"sync"
+	"syscall"
+	"time"
+
+	"golang.org/x/term"
+)
+
+// stdIoTty is an implementation of the Tty API based upon stdin/stdout.
+type stdIoTty struct {
+	fd    int
+	in    *os.File
+	out   *os.File
+	saved *term.State
+	sig   chan os.Signal
+	cb    func()
+	stopQ chan struct{}
+	dev   string
+	wg    sync.WaitGroup
+	l     sync.Mutex
+}
+
+func (tty *stdIoTty) Read(b []byte) (int, error) {
+	return tty.in.Read(b)
+}
+
+func (tty *stdIoTty) Write(b []byte) (int, error) {
+	return tty.out.Write(b)
+}
+
+func (tty *stdIoTty) Close() error {
+	return nil
+}
+
+func (tty *stdIoTty) Start() error {
+	tty.l.Lock()
+	defer tty.l.Unlock()
+
+	// We open another copy of /dev/tty.  This is a workaround for unusual behavior
+	// observed in macOS, apparently caused when a subshell (for example) closes our
+	// own tty device (when it exits for example).  Getting a fresh new one seems to
+	// resolve the problem.  (We believe this is a bug in the macOS tty driver that
+	// fails to account for dup() references to the same file before applying close()
+	// related behaviors to the tty.)  We're also holding the original copy we opened
+	// since closing that might have deleterious effects as well.  The upshot is that
+	// we will have up to two separate file handles open on /dev/tty.  (Note that when
+	// using stdin/stdout instead of /dev/tty this problem is not observed.)
+	var err error
+	tty.in = os.Stdin
+	tty.out = os.Stdout
+	tty.fd = int(tty.in.Fd())
+
+	if !term.IsTerminal(tty.fd) {
+		return errors.New("device is not a terminal")
+	}
+
+	_ = tty.in.SetReadDeadline(time.Time{})
+	saved, err := term.MakeRaw(tty.fd) // also sets vMin and vTime
+	if err != nil {
+		return err
+	}
+	tty.saved = saved
+
+	tty.stopQ = make(chan struct{})
+	tty.wg.Add(1)
+	go func(stopQ chan struct{}) {
+		defer tty.wg.Done()
+		for {
+			select {
+			case <-tty.sig:
+				tty.l.Lock()
+				cb := tty.cb
+				tty.l.Unlock()
+				if cb != nil {
+					cb()
+				}
+			case <-stopQ:
+				return
+			}
+		}
+	}(tty.stopQ)
+
+	signal.Notify(tty.sig, syscall.SIGWINCH)
+	return nil
+}
+
+func (tty *stdIoTty) Drain() error {
+	_ = tty.in.SetReadDeadline(time.Now())
+	if err := tcSetBufParams(tty.fd, 0, 0); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (tty *stdIoTty) Stop() error {
+	tty.l.Lock()
+	if err := term.Restore(tty.fd, tty.saved); err != nil {
+		tty.l.Unlock()
+		return err
+	}
+	_ = tty.in.SetReadDeadline(time.Now())
+
+	signal.Stop(tty.sig)
+	close(tty.stopQ)
+	tty.l.Unlock()
+
+	tty.wg.Wait()
+
+	return nil
+}
+
+func (tty *stdIoTty) WindowSize() (int, int, error) {
+	w, h, err := term.GetSize(tty.fd)
+	if err != nil {
+		return 0, 0, err
+	}
+	if w == 0 {
+		w, _ = strconv.Atoi(os.Getenv("COLUMNS"))
+	}
+	if w == 0 {
+		w = 80 // default
+	}
+	if h == 0 {
+		h, _ = strconv.Atoi(os.Getenv("LINES"))
+	}
+	if h == 0 {
+		h = 25 // default
+	}
+	return w, h, nil
+}
+
+func (tty *stdIoTty) NotifyResize(cb func()) {
+	tty.l.Lock()
+	tty.cb = cb
+	tty.l.Unlock()
+}
+
+// NewStdioTty opens a tty using standard input/output.
+func NewStdIoTty() (Tty, error) {
+	tty := &stdIoTty{
+		sig: make(chan os.Signal),
+		in: os.Stdin,
+		out: os.Stdout,
+	}
+	var err error
+	tty.fd = int(tty.in.Fd())
+	if !term.IsTerminal(tty.fd) {
+		return nil, errors.New("not a terminal")
+	}
+	if tty.saved, err = term.GetState(tty.fd); err != nil {
+		return nil, fmt.Errorf("failed to get state: %w", err)
+	}
+	return tty, nil
+}

vendor/github.com/gdamore/tcell/v2/terminfo/extended/extended.go

@@ -28,6 +28,7 @@ import (
 	_ "github.com/gdamore/tcell/v2/terminfo/c/cygwin"
 	_ "github.com/gdamore/tcell/v2/terminfo/d/dtterm"
 	_ "github.com/gdamore/tcell/v2/terminfo/e/emacs"
+	_ "github.com/gdamore/tcell/v2/terminfo/f/foot"
 	_ "github.com/gdamore/tcell/v2/terminfo/g/gnome"
 	_ "github.com/gdamore/tcell/v2/terminfo/h/hpterm"
 	_ "github.com/gdamore/tcell/v2/terminfo/k/konsole"

vendor/github.com/gdamore/tcell/v2/terminfo/f/foot/foot.go

@@ -0,0 +1,69 @@
+// Generated automatically.  DO NOT HAND-EDIT.
+
+package foot
+
+import "github.com/gdamore/tcell/v2/terminfo"
+
+func init() {
+
+	// foot terminal emulator
+	terminfo.AddTerminfo(&terminfo.Terminfo{
+		Name:         "foot",
+		Columns:      80,
+		Lines:        24,
+		Colors:       256,
+		Bell:         "\a",
+		Clear:        "\x1b[H\x1b[2J",
+		EnterCA:      "\x1b[?1049h\x1b[22;0;0t",
+		ExitCA:       "\x1b[?1049l\x1b[23;0;0t",
+		ShowCursor:   "\x1b[?12l\x1b[?25h",
+		HideCursor:   "\x1b[?25l",
+		AttrOff:      "\x1b(B\x1b[m",
+		Underline:    "\x1b[4m",
+		Bold:         "\x1b[1m",
+		Dim:          "\x1b[2m",
+		Italic:       "\x1b[3m",
+		Blink:        "\x1b[5m",
+		Reverse:      "\x1b[7m",
+		EnterKeypad:  "\x1b[?1h\x1b=",
+		ExitKeypad:   "\x1b[?1l\x1b>",
+		SetFg:        "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38:5:%p1%d%;m",
+		SetBg:        "\x1b[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48:5:%p1%d%;m",
+		SetFgBg:      "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38:5:%p1%d%;;%?%p2%{8}%<%t4%p2%d%e%p2%{16}%<%t10%p2%{8}%-%d%e48:5:%p2%d%;m",
+		ResetFgBg:    "\x1b[39;49m",
+		AltChars:     "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~",
+		EnterAcs:     "\x1b(0",
+		ExitAcs:      "\x1b(B",
+		StrikeThrough: "\x1b[9m",
+		Mouse:        "\x1b[M",
+		SetCursor:    "\x1b[%i%p1%d;%p2%dH",
+		CursorBack1:  "\b",
+		CursorUp1:    "\x1b[A",
+		KeyUp:        "\x1bOA",
+		KeyDown:      "\x1bOB",
+		KeyRight:     "\x1bOC",
+		KeyLeft:      "\x1bOD",
+		KeyInsert:    "\x1b[2~",
+		KeyDelete:    "\x1b[3~",
+		KeyBackspace: "\u007f",
+		KeyHome:      "\x1bOH",
+		KeyEnd:       "\x1bOF",
+		KeyPgUp:      "\x1b[5~",
+		KeyPgDn:      "\x1b[6~",
+		KeyF1:        "\x1bOP",
+		KeyF2:        "\x1bOQ",
+		KeyF3:        "\x1bOR",
+		KeyF4:        "\x1bOS",
+		KeyF5:        "\x1b[15~",
+		KeyF6:        "\x1b[17~",
+		KeyF7:        "\x1b[18~",
+		KeyF8:        "\x1b[19~",
+		KeyF9:        "\x1b[20~",
+		KeyF10:       "\x1b[21~",
+		KeyF11:       "\x1b[23~",
+		KeyF12:       "\x1b[24~",
+		KeyBacktab:   "\x1b[Z",
+		Modifiers:    1,
+		AutoMargin:   true,
+	})
+}

vendor/github.com/gdamore/tcell/v2/tscreen.go

@@ -1682,6 +1682,7 @@ func (t *tScreen) disengage() {
 	ti := t.ti
 	t.cells.Resize(0, 0)
 	t.TPuts(ti.ShowCursor)
+	t.TPuts(ti.ResetFgBg)
 	t.TPuts(ti.AttrOff)
 	t.TPuts(ti.Clear)
 	t.TPuts(ti.ExitCA)

vendor/github.com/gdamore/tcell/v2/tty_unix.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"os"
 	"os/signal"
+	"strconv"
 	"sync"
 	"syscall"
 	"time"
@@ -51,7 +52,7 @@ func (tty *devTty) Write(b []byte) (int, error) {
 }
 
 func (tty *devTty) Close() error {
-	return nil
+	return tty.f.Close()
 }
 
 func (tty *devTty) Start() error {
@@ -136,7 +137,23 @@ func (tty *devTty) Stop() error {
 }
 
 func (tty *devTty) WindowSize() (int, int, error) {
-	return term.GetSize(tty.fd)
+	w, h, err := term.GetSize(tty.fd)
+	if err != nil {
+		return 0, 0, err
+	}
+	if w == 0 {
+		w, _ = strconv.Atoi(os.Getenv("COLUMNS"))
+	}
+	if w == 0 {
+		w = 80 // default
+	}
+	if h == 0 {
+		h, _ = strconv.Atoi(os.Getenv("LINES"))
+	}
+	if h == 0 {
+		h = 25 // default
+	}
+	return w, h, nil
 }
 
 func (tty *devTty) NotifyResize(cb func()) {