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From:   Junio C Hamano <gitster@pobox.com>
To:     Elijah Newren <newren@gmail.com>
Cc:     Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>,
        Git Mailing List <git@vger.kernel.org>,
        Taylor Blau <me@ttaylorr.com>,
        Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: [PATCH v2] merge-tree: fix segmentation fault in read-only
 repositories
References: <pull.1362.git.1663774248660.gitgitgadget@gmail.com>
        <pull.1362.v2.git.1663798083240.gitgitgadget@gmail.com>
        <CABPp-BGUiDXxv8eQhKQXHcem3ke9e=Q99a_FDExZ5XZYUgir6A@mail.gmail.com>
Date:   Wed, 21 Sep 2022 16:11:08 -0700
In-Reply-To: <CABPp-BGUiDXxv8eQhKQXHcem3ke9e=Q99a_FDExZ5XZYUgir6A@mail.gmail.com>
        (Elijah Newren's message of "Wed, 21 Sep 2022 15:56:37 -0700")
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Elijah Newren <newren@gmail.com> writes:

>> @@ -473,7 +475,7 @@ static int real_merge(struct merge_tree_options *o,
>>                                               &result);
>>         }
>>         merge_finalize(&opt, &result);
>> -       return !result.clean; /* result.clean < 0 handled above */
>> +       return !result.tree || !result.clean; /* result.clean < 0 handled above */
>
> Thinking out loud, should this logic be at the merge-ort.c level,

True.

> ...  However, I do think
> merge-ort should be returning a negative value for the "clean" status
> in such a case.

True, too.