Function isTTYErr

cli/root.go:1123–1125

isTTYErr returns whether the passed invocation is having stderr written to a TTY

(inv *serpent.Invocation)

// isTTYErr returns whether the passed invocation is having stderr written to a TTY
func isTTYErr(inv *serpent.Invocation) bool {
	return isTTYWriter(inv, inv.Stderr)
}

func isTTYWriter(inv *serpent.Invocation, writer io.Writer) bool {
	// If the `--force-tty` command is available, and set,