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From: Chinmoy Chakraborty <chinmoy12c@gmail.com>
To: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org
Subject: Re: [PATCH v4] cache-tree.c: remove implicit dependency on the_repository
Date: Thu, 8 Apr 2021 09:26:12 +0530	[thread overview]
Message-ID: <0df415b7-73b7-6e72-1885-3ca606acf8fd@gmail.com> (raw)
In-Reply-To: <xmqqsg41wvdi.fsf@gitster.g>


On 4/8/21 4:33 AM, Junio C Hamano wrote:
> "Chinmoy via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
>> From: Chinmoy Chakraborty <chinmoy12c@gmail.com>
>>
>> This kills the_repository dependency in cache_tree_update()
>> and prime_cache_tree().
>>
>> Signed-off-by: Chinmoy Chakraborty <chinmoy12c@gmail.com>
>> ---
>>      Replace the_repository with r
> Huh???


Sorry I forgot to change the cover letter.


> The patch assumes that istate->repo will always set, but it does not
> even try to justify why that assumption is safe to make (e.g. "the
> entire codebase that leads to this function has been audited and
> made sure istate at this point will always have its .repo member is
> set" in the log message, if such an audit has actually been done,
> may have been convincing), which I find quite troubling.


Is it safe to make this assumption? I mean to be completely

sure of this, one would have to track back to all the callers.

Should a check like:

     if(!istate->repo)

         istate->repo = the_repository;


be required?


  reply	other threads:[~2021-04-08  3:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25 19:48 [PATCH] " Chinmoy via GitGitGadget
2021-03-25 20:31 ` Derrick Stolee
2021-03-26  6:49   ` Chinmoy Chakraborty
2021-03-26  7:54   ` Chinmoy Chakraborty
2021-03-26 15:35 ` [PATCH v2] " Chinmoy via GitGitGadget
2021-04-03 15:57   ` [PATCH v3] " Chinmoy via GitGitGadget
2021-04-04  1:49     ` Junio C Hamano
2021-04-04  5:11       ` Chinmoy Chakraborty
2021-04-04  5:36         ` Junio C Hamano
2021-04-04  5:18       ` Chinmoy Chakraborty
2021-04-04  6:09     ` Junio C Hamano
2021-04-05 13:08       ` Derrick Stolee
2021-04-05 17:48         ` Junio C Hamano
2021-04-07  6:54     ` [PATCH v4] " Chinmoy via GitGitGadget
2021-04-07 23:03       ` Junio C Hamano
2021-04-08  3:56         ` Chinmoy Chakraborty [this message]
2021-04-08 13:23           ` Junio C Hamano

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