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Message-ID: <f8262c3b-2ca5-4920-1379-41ff29b37d9f@mit.edu>
Date:   Wed, 1 Dec 2021 15:47:40 -0800
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Subject: Re: [PATCH v7 4/8] worktree: simplify find_shared_symref() memory
 ownership model
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To:     Eric Sunshine <sunshine@sunshineco.com>
Cc:     Junio C Hamano <gitster@pobox.com>, Git List <git@vger.kernel.org>,
        Johannes Schindelin <Johannes.Schindelin@gmx.de>,
        Jeff King <peff@peff.net>,
        Andreas Heiduk <andreas.heiduk@mathema.de>,
        =?UTF-8?B?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= <avarab@gmail.com>,
        Jiang Xin <worldhello.net@gmail.com>
References: <20211201221547.1796213-1-andersk@mit.edu>
 <20211201221547.1796213-5-andersk@mit.edu>
 <CAPig+cSNP-RBmsWWfT690-shFUCZ3J0X+FBiNjCqg=AkoBMBqQ@mail.gmail.com>
From:   Anders Kaseorg <andersk@mit.edu>
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On 12/1/21 15:10, Eric Sunshine wrote:
> As far as I can see, this code only cares whether find_shared_symref()
> returned a result; it doesn't actually consult the returned worktree
> at all, thus it semantically considers `worktree` as a boolean, not as
> a `struct worktree`.

No, the update_worktree(new_oid->hash, worktree) call uses it in a 
non-boolean way, so we do need to keep it around.

Anders