Re: pg_waldump: support decoding of WAL inside tarfile

[Tomas Vondra]

On 4/2/26 19:43, Tom Lane wrote:
> Tomas Vondra <to...@vondra.me> writes:
>> On 4/2/26 18:29, Tom Lane wrote:
>>> Pushed, thanks for reviewing!  In the event I decided to back-patch to
>>> v18, where these fixes could protect pg_verifybackup against tar files
>>> it can't handle.
> 
>> It seems jay/hippopotamus failed on this, for some reason.
> 
> Hmm:
> 
> #   Failed test 'corrupt backup fails verification: extra_file: matches'
> #   at t/003_corruption.pl line 198.
> #                   'pg_verifybackup: error: pax extensions to tar format are 
> not supported
> # '
> #     doesn't match '(?^:extra_file.*present (on disk|in archive "[^"]+") but 
> not in the manifest)'
> 
>> Maybe there's something special about OpenSUSE?
> 
> Apparently its version of "tar" will produce pax-extended files
> at the drop of a hat.  I have an OpenSUSE image around here
> somewhere, will see if I can reproduce this.  But while I'm
> asking, what filesystem are those animals running on top of?
> 

btrfs

-- 
Tomas Vondra