chore: vendor

vendor/github.com/moby/term/term_unix.go

@@ -0,0 +1,98 @@
+//go:build !windows
+// +build !windows
+
+package term
+
+import (
+	"errors"
+	"io"
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+// ErrInvalidState is returned if the state of the terminal is invalid.
+//
+// Deprecated: ErrInvalidState is no longer used.
+var ErrInvalidState = errors.New("Invalid terminal state")
+
+// terminalState holds the platform-specific state / console mode for the terminal.
+type terminalState struct {
+	termios unix.Termios
+}
+
+func stdStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
+	return os.Stdin, os.Stdout, os.Stderr
+}
+
+func getFdInfo(in interface{}) (uintptr, bool) {
+	var inFd uintptr
+	var isTerminalIn bool
+	if file, ok := in.(*os.File); ok {
+		inFd = file.Fd()
+		isTerminalIn = isTerminal(inFd)
+	}
+	return inFd, isTerminalIn
+}
+
+func getWinsize(fd uintptr) (*Winsize, error) {
+	uws, err := unix.IoctlGetWinsize(int(fd), unix.TIOCGWINSZ)
+	ws := &Winsize{Height: uws.Row, Width: uws.Col, x: uws.Xpixel, y: uws.Ypixel}
+	return ws, err
+}
+
+func setWinsize(fd uintptr, ws *Winsize) error {
+	return unix.IoctlSetWinsize(int(fd), unix.TIOCSWINSZ, &unix.Winsize{
+		Row:    ws.Height,
+		Col:    ws.Width,
+		Xpixel: ws.x,
+		Ypixel: ws.y,
+	})
+}
+
+func isTerminal(fd uintptr) bool {
+	_, err := tcget(fd)
+	return err == nil
+}
+
+func restoreTerminal(fd uintptr, state *State) error {
+	if state == nil {
+		return errors.New("invalid terminal state")
+	}
+	return tcset(fd, &state.termios)
+}
+
+func saveState(fd uintptr) (*State, error) {
+	termios, err := tcget(fd)
+	if err != nil {
+		return nil, err
+	}
+	return &State{termios: *termios}, nil
+}
+
+func disableEcho(fd uintptr, state *State) error {
+	newState := state.termios
+	newState.Lflag &^= unix.ECHO
+
+	return tcset(fd, &newState)
+}
+
+func setRawTerminal(fd uintptr) (*State, error) {
+	return makeRaw(fd)
+}
+
+func setRawTerminalOutput(fd uintptr) (*State, error) {
+	return nil, nil
+}
+
+func tcget(fd uintptr) (*unix.Termios, error) {
+	p, err := unix.IoctlGetTermios(int(fd), getTermios)
+	if err != nil {
+		return nil, err
+	}
+	return p, nil
+}
+
+func tcset(fd uintptr, p *unix.Termios) error {
+	return unix.IoctlSetTermios(int(fd), setTermios, p)
+}