zerone/msh/winsize_others.go

//go:build linux || darwin

package main

import (
	"os"
	"os/signal"
	"syscall"

	"git.wecise.com/wecise/common/matrix/logger"
	"github.com/creack/pty"
)

func HandlePTYSize(ptmx *os.File) chan os.Signal {
	ch := make(chan os.Signal, 1)
	signal.Notify(ch, syscall.SIGWINCH)
	go func() {
		for range ch {
			if err := pty.InheritSize(os.Stdin, ptmx); err != nil {
				logger.Error("error resizing pty:", err)
			}
		}
	}()
	ch <- syscall.SIGWINCH // Initial resize.
	return ch
}