From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 25 Aug 2022 16:25:25 GMT
Subject: Re: [BUG] git config --unset is not idempotent
Message-ID: <xmqqk06w2sui.fsf@gitster.g>
In-Reply-To: <CAHckPJS6ibtxbU+VKwDaU6pFMtJ5SMcWnBi6D2pY+ekqpWsqXg@mail.gmail.com>

Arturo Seijas Fernandez <arturo.seijas@canonical.com> writes:

> The command "git config --unset [option]" is not idempotent. It is
> currently returning a success  code when the property had already been
> set and a 5 error code otherwise.

"rm" is not "idempotent", either.

    echo >file
    rm file ; echo $?
    rm file ; echo $?

The "git config --unset" command signals the inability to unset a
variable when the variable to be unset does not even exist.