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From: ZheNing Hu <adlternative@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: ZheNing Hu via GitGitGadget <gitgitgadget@gmail.com>,
	Git List <git@vger.kernel.org>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>
Subject: Re: [PATCH] [GSOC] ref-filter: solve bugs caused by enumeration
Date: Fri, 7 May 2021 13:09:19 +0800	[thread overview]
Message-ID: <CAOLTT8RhVZQJX8z1gY5UM1jv0imZ4K9UnD14MgJFfvqBBiAZQg@mail.gmail.com> (raw)
In-Reply-To: <xmqq5yzvw3kk.fsf@gitster.g>

> If that is truly the concern (I do not know without measuring),
> perhaps we should add a member next to the union to say which one of
> the union members is valid, so that you can say
>
>     if (atom->atom_type == ATOM_TYPE_REMOTE_REF &&
>         atom->u.remote_ref.push)
>
> (introduce an enum and define ATOM_TYPE_* after the member in the
> union).
>

Yes, I think so. Since the content of this part needs to be modified for
 the parsing of all atoms, I will put it in a separate topic to complete.

> That would help futureproofing the code even further, as a new
> synonym of "push" introduced laster [*] would not invalidate the check you are
> adding there.
>

Yes, this enhances its generalization ability.

>
> [Footnote]
>
> * remote_ref_atom_parser() in the future may begin like so:
>
> -       if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:"))
> +       if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:") ||
> +           !strcmp(atom->name, "a-synonym-for-push"))
>                 atom->u.remote_ref.push = 1;
>

--
ZheNing Hu

  reply	other threads:[~2021-05-07  5:09 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-05 15:31 ZheNing Hu via GitGitGadget
2021-05-06  1:53 ` Junio C Hamano
2021-05-06  5:02   ` ZheNing Hu
2021-05-06  5:35     ` Junio C Hamano
2021-05-06 10:39       ` ZheNing Hu
2021-05-06 11:20         ` Junio C Hamano
2021-05-06 11:52           ` ZheNing Hu
2021-05-06 21:20             ` Junio C Hamano
2021-05-07  4:32               ` ZheNing Hu
2021-05-07  4:49                 ` Junio C Hamano
2021-05-07  5:09                   ` ZheNing Hu [this message]
2021-05-06 16:31 ` [PATCH v2] [GSOC] ref-filter: fix read invalid union member bug ZheNing Hu via GitGitGadget
2021-05-08 15:26   ` [PATCH v3] " ZheNing Hu via GitGitGadget
2021-05-10  7:21     ` Junio C Hamano
2021-05-10 12:35       ` ZheNing Hu
2021-05-10  7:27     ` Junio C Hamano
2021-05-10 12:51       ` ZheNing Hu
2021-05-10 15:01     ` [PATCH v4] " ZheNing Hu via GitGitGadget
2021-05-11  2:29       ` Junio C Hamano
2021-05-11  6:28         ` ZheNing Hu
2021-05-11  9:30           ` Junio C Hamano
2021-05-11 11:47             ` ZheNing Hu
2021-05-11 13:12               ` Junio C Hamano
2021-05-11 13:31                 ` ZheNing Hu
2021-05-11 15:35       ` [PATCH v5] " ZheNing Hu via GitGitGadget
2021-05-12  1:36         ` Junio C Hamano
2021-05-12 10:37           ` ZheNing Hu
2021-05-12 12:12         ` [PATCH v6] " ZheNing Hu via GitGitGadget
2021-05-12 23:24           ` Junio C Hamano
2021-05-13  9:29             ` ZheNing Hu
2021-05-13 15:13           ` [PATCH v7] " ZheNing Hu via GitGitGadget

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