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From: Eric Sunshine <sunshine@sunshineco.com>
To: Phillip Wood <phillip.wood@dunelm.org.uk>
Cc: Junio C Hamano <gitster@pobox.com>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Git List <git@vger.kernel.org>
Subject: Re: [PATCH 2/3] add read_author_script() to libgit
Date: Thu, 13 Sep 2018 19:49:36 -0400	[thread overview]
Message-ID: <CAPig+cTGYWoW+YiW5tJVPZVie3zsG+pmQiV7k+es-=y9e4=RZw@mail.gmail.com> (raw)
In-Reply-To: <20180912101029.28052-3-phillip.wood@talktalk.net>

On Wed, Sep 12, 2018 at 6:11 AM Phillip Wood <phillip.wood@talktalk.net> wrote:
> Add read_author_script() to sequencer.c based on the implementation in
> builtin/am.c and update read_am_author_script() to use
> read_author_script(). The sequencer code that reads the author script
> will be updated in the next commit.
>
> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
> ---
> diff --git a/builtin/am.c b/builtin/am.c
> @@ -305,39 +279,16 @@ static int parse_key_value_squoted(char *buf, struct string_list *list)
>  static int read_am_author_script(struct am_state *state)
>  {

This function returns 'int'...

>         const char *filename = am_path(state, "author-script");
> +       if (read_author_script(filename, &state->author_name,
> +                              &state->author_email, &state->author_date, 1))
> +               exit(128);

...but only ever exit()s...

> +       return 0;

... or returns 0.

>  }

It's a little disturbing that it now invokes exit() directly rather
than calling die() since die() may involve extra functionality before
actually exiting.

What if, instead of exit()ing directly, you drop the conditional and
instead return the value of read_author_script():

    return read_author_script(...);

and let the caller deal with the zero or non-zero return value as
usual? (True, you'd get two error messages upon failure rather than
just one, but that's not necessarily a bad thing.)

A possibly valid response is that such a change is outside the scope
of this series since the original code shared this odd architecture of
sometimes returning 0, sometimes -1, and sometimes die()ing.

  reply	other threads:[~2018-09-13 23:49 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-12 10:10 [PATCH 0/3] am/rebase: share read_author_script() Phillip Wood
2018-09-12 10:10 ` [PATCH 1/3] am: rename read_author_script() Phillip Wood
2018-09-12 10:10 ` [PATCH 2/3] add read_author_script() to libgit Phillip Wood
2018-09-13 23:49   ` Eric Sunshine [this message]
2018-10-10 10:14     ` Phillip Wood
2018-10-10 10:22       ` Eric Sunshine
2018-09-12 10:10 ` [PATCH 3/3] sequencer: use read_author_script() Phillip Wood
2018-09-12 12:14   ` Eric Sunshine
2018-09-14  0:31   ` Eric Sunshine
2018-10-10 10:35     ` Phillip Wood
2018-10-18 10:00 ` [PATCH v2 0/5] am/rebase: share read_author_script() Phillip Wood
2018-10-18 10:00   ` [PATCH v2 1/5] am: don't die in read_author_script() Phillip Wood
2018-10-25  8:44     ` Junio C Hamano
2018-10-18 10:00   ` [PATCH v2 2/5] am: improve author-script error reporting Phillip Wood
2018-10-25  8:55     ` Junio C Hamano
2018-10-18 10:00   ` [PATCH v2 3/5] am: rename read_author_script() Phillip Wood
2018-10-18 10:00   ` [PATCH v2 4/5] add read_author_script() to libgit Phillip Wood
2018-10-18 10:00   ` [PATCH v2 5/5] sequencer: use read_author_script() Phillip Wood
2018-10-25  8:59   ` [PATCH v2 0/5] am/rebase: share read_author_script() Junio C Hamano
2018-10-26  9:00     ` Phillip Wood
2018-10-26 13:32       ` Junio C Hamano
2018-10-30 10:39 ` [PATCH v3 " Phillip Wood
2018-10-30 10:39   ` [PATCH v3 1/5] am: don't die in read_author_script() Phillip Wood
2018-10-30 10:39   ` [PATCH v3 2/5] am: improve author-script error reporting Phillip Wood
2018-10-30 10:39   ` [PATCH v3 3/5] am: rename read_author_script() Phillip Wood
2018-10-30 10:39   ` [PATCH v3 4/5] add read_author_script() to libgit Phillip Wood
2018-10-30 10:39   ` [PATCH v3 5/5] sequencer: use read_author_script() Phillip Wood
2018-10-31  2:50   ` [PATCH v3 0/5] am/rebase: share read_author_script() Junio C Hamano
2018-10-31 10:14     ` Phillip Wood
2018-10-31 10:15 ` [PATCH v4 " Phillip Wood
2018-10-31 10:15   ` [PATCH v4 1/5] am: don't die in read_author_script() Phillip Wood
2018-10-31 10:15   ` [PATCH v4 2/5] am: improve author-script error reporting Phillip Wood
2018-11-04  4:12     ` Eric Sunshine
2018-11-05  1:53       ` Junio C Hamano
2018-10-31 10:15   ` [PATCH v4 3/5] am: rename read_author_script() Phillip Wood
2018-10-31 10:15   ` [PATCH v4 4/5] add read_author_script() to libgit Phillip Wood
2018-10-31 10:15   ` [PATCH v4 5/5] sequencer: use read_author_script() Phillip Wood
2018-11-01  3:01   ` [PATCH v4 0/5] am/rebase: share read_author_script() Junio C Hamano
2018-11-01  3:12     ` [PATCH v4fixed 2/5] am: improve author-script error reporting Junio C Hamano
2018-11-01  3:12       ` [PATCH v4fixed 4/5] add read_author_script() to libgit Junio C Hamano
2018-11-01 16:27     ` [PATCH v4 0/5] am/rebase: share read_author_script() Phillip Wood

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