Re: PATCH: add "--config-file=" option to pg_rewind

Gunnar "Nick" Bluth <gunnar.bluth@pro-open.de>

From: "Gunnar \"Nick\" Bluth" <gunnar.bluth@pro-open.de>
To: Michael Paquier <michael@paquier.xyz>
Cc: Daniel Gustafsson <daniel@yesql.se>, Alexander Kukushkin <cyberdemn@gmail.com>, Aleksander Alekseev <aleksander@timescale.com>, "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>, x4mmm@yandex-team.ru, kondratovaleksey@gmail.com
Date: 2022-02-27T13:30:33Z
Lists: pgsql-hackers

Attachments

Am 27.02.22 um 13:06 schrieb Michael Paquier:
> On Sat, Feb 26, 2022 at 09:55:20AM +0100, Gunnar "Nick" Bluth wrote:
>> Am 26.02.22 um 06:51 schrieb Michael Paquier:
>>> Shouldn't this one use appendShellString() on config_file?
>>
>> It probably should, yes. I don't fancy this repetitive code myself.
>> But then, pg_rewind as a whole could use an overhaul. I don't see any use of
>> PQExpBuffer in it, but a lot of char* ...
> 
> Having a lot of char* does not necessarily mean that all of them have
> to be changed to accomodate with PQExpBuffer.  My guess that this is a
> case-by-case, where we should apply that in places where it makes the
> code cleaner to follow.  In the case of your patch though, the two
> areas changed would make the logic correct, instead, because we have
> to apply correct quoting rules to any commands executed.

Alas! v3 attached.


>> GSOC project? ;-)
> 
> It does not seem so, though there are surely more areas that could
> gain in clarity.

That's universally true ;-)


Best regards,
-- 
Gunnar "Nick" Bluth

Eimermacherweg 106
D-48159 Münster

Mobil +49 172 8853339
Email: gunnar.bluth@pro-open.de
__________________________________________________________________________
"Ceterum censeo SystemD esse delendam" - Cato

Commits

  1. Add option --config-file to pg_rewind

  2. Rework internal command generation of pg_rewind