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From: Phillip Wood <phillip.wood@talktalk.net>
To: Eric Sunshine <sunshine@sunshineco.com>,
	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: Wed, 10 Oct 2018 11:14:02 +0100	[thread overview]
Message-ID: <28505444-0798-6fda-6d1b-b9dbc0007123@talktalk.net> (raw)
In-Reply-To: <CAPig+cTGYWoW+YiW5tJVPZVie3zsG+pmQiV7k+es-=y9e4=RZw@mail.gmail.com>

Hi Eric

Thanks for looking at this series, sorry it has taken so long for me to
reply.

On 14/09/2018 00:49, Eric Sunshine wrote:
> 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.

My aim was to try and to keep the changes to a minimum as this patch
isn't about changing the odd architecture of the original. I could add a
follow up patch that cleans things up as you suggest.

Best Wishes

Phillip


  reply	other threads:[~2018-10-10 10:14 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
2018-10-10 10:14     ` Phillip Wood [this message]
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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