https://www.reddit.com/r/golang/comments/dkthf7/help_how_to_detect_keyboard_interrupts/?

keypresshelp.go

package utils

import (
	"bufio"
	"os"
)

func chanNBRead(c chan bool, def bool) bool {
	var e bool
	select {
	case e = <-c:
	default:
		e = true
	}
	return e
}

// Keypress : Starts a keypress loop
func Keypress() (chan byte, chan bool, chan bool) {
	abort := make(chan bool)
	out := make(chan byte, 1)
	enable := make(chan bool)

	scanner := bufio.NewScanner(os.Stdin)
	go func() {
		for chanNBRead(abort, false) && scanner.Scan() {
			if scanner.Err() != nil {
				abort <- true
			}

			t := scanner.Bytes()
			for _, b := range t {
				if chanNBRead(enable, true) {
					out <- b
				}
			}
		}
	}()

	e := scanner.Err() != nil
	abort <- e

	return out, abort, enable
}