Message-ID: <fb2c5702-a51d-4d15-a523-83a0443f0df5@dunslane.net>
Date: Mon, 24 Jun 2024 10:17:32 -0400
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Subject: Re: pgsql: Skip some permissions checks on Cygwin
To: Noah Misch <noah@leadboat.com>
Cc: pgsql-committers@lists.postgresql.org
References: <E1sHjJc-001KCN-H6@gemulon.postgresql.org>
 <20240624010311.0b.nmisch@google.com>
From: Andrew Dunstan <andrew@dunslane.net>
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On 2024-06-23 Su 9:03 PM, Noah Misch wrote:
> On Thu, Jun 13, 2024 at 12:12:29PM +0000, Andrew Dunstan wrote:
>> Skip some permissions checks on Cygwin
>>
>> These are checks that are already skipped on other Windows systems.
>>   	skip "unix-style permissions not supported on Windows", 2
>> -	  if ($windows_os);
>> +	  if ($windows_os || $Config::Config{osname} eq 'cygwin');
>> -	skip "group access not supported on Windows", 3 if ($windows_os);
>> +	skip "group access not supported on Windows", 3
>> +	  if ($windows_os || $Config::Config{osname} eq 'cygwin');
> Cygwin does support Unix-style permissions, so I'm not following the rationale
> for this change.  Can you say more?


It seems to have some difficulties with group permissions in some cases. 
I improved the error message a bit, and got a bunch that all look like this:

build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/global/6303 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/global/pg_control 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/global/pg_filenode.map 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5 
mode must be 0750, not 0000000000000000000000000000000000000700
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5/112 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5/113 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5/1247 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5/1247_fsm 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5/1247_vm 
mode must be 0640, not 0600
build/testrun/initdb/001_initdb/log/regress_log_001_initdb:*main::STDERR/home/Administrator/postgresql/build/testrun/initdb/001_initdb/data/tmp_test_qlhf/data_group/base/5/1249 
mode must be 0640, not 0600


Apparently there's some issue with the group None. I don't mind digging 
further if you think it might be worthwhile, but it seemed to me that 
since we didn't mind too much skipping these checks on native Windows we 
wouldn't mind on Cygwin either.

Up to now we haven't been covering Cygwin with TAP tests, and I'd like 
to change that.


cheers


andrew

--
Andrew Dunstan
EDB: https://www.enterprisedb.com