> I think the ordering of checks in main() and setup() is the culprit
> here. main() calls adjust_data_dir() first, which does this:
>
>>        snprintf(cmd, sizeof(cmd), "\"%s/postgres\" -D \"%s\" -C
data_directory",
>>                         cluster->bindir, cluster->pgconfig);
>
> to get the path to the data directory from the config. But
> cluster->bindir isn't initialized yet.

Agreed on the ordering. The main() should first call check_bin_dirs()
to resolve the default new binary directory first and then call
adjust_data_dir()
to find the actual data directory when a configuration-only directory
is specified, and then check_data_dir().

Best regards,
Bohyun

On Wed, Oct 14, 2026 at 9:17 AM Heikki Linnakangas <[email protected]> wrote:

> On 14/10/2026 04:39, Chao Li wrote:
> > However, the updated test in 002_pg_upgrade.pl doesn’t seem to cover
> the bug being fixed. I tried to ran the updated test against master, and it
> still passed. Is that intentional?
>
> Yes, I didn't include a test for the bug being fixed. The test change
> was just to reflect that the behavior with a bogus --old-bindir changed
> slightly -- the error on that now occurs earlier, before the
> pg_upgrade_output.d directory is created.
>
> - Heikki
>
>

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