Hello Stuart,

On 7/8/26 12:15 PM, Stuart Henderson wrote:
> On 2026/07/08 10:26, Olivier Cherrier wrote:
>>      Hello,
>>
>> While upgrading using method 1 (dump / restore),
>> the 'postgresql-pg_upgrade' pkg is not installed.
>>
>> Please see attached patch.
>> @@ -120,7 +120,7 @@ Examine your old file for local changes
>>   (/var/postgresql/data/postgresql.conf). The following command may help
>>   identify them:
>>   
>> -# diff -wu ${LOCALBASE}/share/postgresql-${PREV_MAJOR}/postgresql.conf.sample \
>> +# diff -wu ${LOCALBASE}/share/postgresql/postgresql.conf.sample \
>>       /var/postgresql/data-${PREV_MAJOR}/postgresql.conf
> It's probably better to install postgresql-pg_upgrade. This will allow
> comparing the live config file against a default one with fewer
> differences as it's from a more similar version. e.g.

Yes, we could do it this way too.

Ideally the user has to merge its postgresql.conf file with the more 
recent version.
The "postgresql-pg_upgrade" package does provide an old version.

Thanks,
Best
oc