go-ethereum/vendor/github.com/mattn/go-isatty/isatty_not_windows.go

// +build !windows appengine

package isatty

// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2
// terminal. This is also always false on this environment.
func IsCygwinTerminal(fd uintptr) bool {
	return false
}