Re: pgsql: Move tar detection and compression logic to common.

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, amul sul <sulamul(at)gmail(dot)com>
Subject: Re: pgsql: Move tar detection and compression logic to common.
Date: 2026-07-22 16:23:02
Message-ID: CA+TgmoYJY8FkoeYKGF_YF1S6uOK7fd0Bd3zrw0XY_oZXbmVFpQ@mail.gmail.com
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-committers pgsql-hackers

On Fri, Mar 20, 2026 at 3:32 PM Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
> Move tar detection and compression logic to common.
>
> Consolidate tar archive identification and compression-type detection
> logic into a shared location. Currently used by pg_basebackup and
> pg_verifybackup, this functionality is also required for upcoming
> pg_waldump enhancements.
>
> https://git.postgresql.org/pg/commitdiff/c8a350a439826267186c187dbfbf1f839f7521aa

Unfortunately, this commit not only consolidated the logic but also
changed the behavior at both of the then-existing call sites for the
worse.

I attach a patch to undo those behavior changes, which I intend to
commit and back-patch to v19.

--
Robert Haas
EDB: http://www.enterprisedb.com

Attachment Content-Type Size
v1-0001-Undo-inadvertent-loosening-of-archive-filename-ch.patch application/octet-stream 6.0 KB

In response to

Responses

Browse pgsql-committers by date

  From Date Subject
Next Message Andrew Dunstan 2026-07-22 19:28:02 Re: pgsql: Move tar detection and compression logic to common.
Previous Message Robert Haas 2026-07-22 13:09:52 pgsql: walsummarizer: Guard against WAL files whose tail ends are not v

Browse pgsql-hackers by date

  From Date Subject
Next Message Andres Freund 2026-07-22 16:24:48 Re: [PATCH] Batched clock sweep to reduce cross-socket atomic contention
Previous Message Peter Eisentraut 2026-07-22 16:15:35 Re: [PATCH] Rebuild CHECK constraints after generated column SET EXPRESSION