Re: "make check" changes have caused buildfarm deterioration.

On Tue, Jul 21, 2015 at 2:39 PM, Michael Paquier
<michael(dot)paquier(at)gmail(dot)com> wrote:
> On Tue, Jul 21, 2015 at 6:17 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Andrew Dunstan <andrew(dot)dunstan(at)pgexperts(dot)com> writes:
>>> Somewhere along the way some changes to the way we do "make check" have
>>> caused a significant deterioration in the buildfarm's logging. Compare
>>> these two from animal crake, which happens to be my test instance:
>>> <http://www.pgbuildfarm.org/cgi-bin/show_stage_log.pl?nm=crake&dt=2015-07-20%2013%3A09%3A02&stg=check>
>>> and
>>> <http://www.pgbuildfarm.org/cgi-bin/show_stage_log.pl?nm=crake&dt=2015-07-20%2017%3A23%3A08&stg=check>
>>
>> Yeah, I've been bitching about the poor logging for awhile, but I had
>> not realized that it's still working as-expected in the back branches.
>>
>> Comparing different branches, it looks like "somewhere along the way"
>> means "between 9.4 and 9.5". I suspect that commit dcae5faccab64776, or
>> perhaps the followon dbf2ec1a1c053379, is to blame.
>
> Regarding install.log, the use of stdout/stderr instead of a log file
> has been changed in dbf2ec1a after that:
> http://www.postgresql.org/message-id/553FE7FC.2040707@gmx.net
> Since 9.5 as the location of the temporary installation is global, we
> could basically revert some parts of dcae5fac if that helps so as
> install.log is saved in $ROOT/tmp_install/log/install.log... But I am
> not sure what we win with that, and the argument to remove install.log
> is that now the temporary installation is a make target. Both ways
> have advantages and disadvantages.
>
> Regarding initdb.log and postmaster.log, this is definitely a bug.
> Those have been moved by dcae5fa from log/ to tmp_check/log/,
> tmp_check/ getting removed at the end of pg_regress if there are no
> failures counted. Both files will be saved in log/ at the location
> pg_regress is called using outputdir whose default is ".". This way
> behavior is similar to ~9.4. Attached is a patch to fix this for 9.5
> and master.

Something I just noticed: an entry for log/ in test_ddl_deparse's
gitignore is missing.
--
Michael