From: Theo Buehler <tb@theobuehler.org>
Subject: Re: patch.sh: use test = op. instead of ==
To: Omar Polo <op@omarpolo.com>
Cc: gameoftrees@openbsd.org
Date: Tue, 8 Mar 2022 10:03:51 +0100

On Tue, Mar 08, 2022 at 09:49:22AM +0100, Omar Polo wrote:
> as per subject; i've used == when i really wanted to use just one =

[..]

>  	ret=$?
> -	if [ $ret == 0 ]; then # should fail
> +	if [ $ret = 0 ]; then # should fail

Since you're comparing integers, shouldn't you be using -eq and -ne,
respectively?