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Date:      Tue, 02 Jan 2024 13:45:47 +0800
From:      Philip Paeps <philip@freebsd.org>
To:        Mark Millard <marklmi@yahoo.com>
Cc:        dan@langille.org, FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: list of valid ABI combinations
Message-ID:  <C65DA713-09FF-4548-8292-D659B9DE5B58@freebsd.org>
In-Reply-To: <B1BA45B2-7463-458A-A059-4F0FC17D6119@yahoo.com>
References:  <BB2A3B4D-3AED-42BA-8FD2-B245176C6BB4@freebsd.org> <B1BA45B2-7463-458A-A059-4F0FC17D6119@yahoo.com>

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On 2024-01-02 12:38:47 (+0800), Mark Millard wrote:
> [FYI: My internet access is limited to a cellphone for some number of 
> days.]
>
>> On Jan 1, 2024, at 19:26, Philip Paeps <philip@freebsd.org> wrote:
>>
>> On 2023-12-07 23:03:33 (+0800), Mark Millard wrote:
>>> Dan Langille <dan_at_langille.org> wrote:
>>>> My goal is to automatically maintain this table, from which 
>>>> FreshPorts fetches package information:
>>>>
>>>> freshports.dev=# select * from abi order by name;
>>>> id | name | active
>>>> ----+----------------------+--------
>>>> 9 | FreeBSD:12:aarch64 | t
>>>> [...]
>>>> 53 | FreeBSD:15:riscv64 | t
>>>> (31 rows)
>>>
>>> The name list in the middle (/bin/sh context):
>>>
>>> # fetch https://pkg.freebsd.org/index.html
>>> index.html                                            3606  B  103 
>>> MBps    00s
>>>
>>> # grep FreeBSD: index.html | sed -e 's@.*\(FreeBSD:[^ <]*\).*@\1@' | 
>>> sort
>>> FreeBSD:12:aarch64
>>> [...]
>>> FreeBSD:15:powerpc64le
>>>
>>> There might be issues at times with 
>>> https://pkg.freebsd.org/index.html not
>>> being in sync. As far as I can tell, that page is manually 
>>> maintained.
>>
>> clusteradm updates that page to match what we're actually 
>> distributing.  If it doesn't reflect reality, that's a bug, and we'd 
>> like to know please. :-)
>
> Does that include the “only ??? Is updated” sorts of notes?

Yes.  Please let clusteradm know if the notes don't appear to reflect 
reality.

clusteradm maintains the pkgsync infrastructure, which includes the 
index page on the mirrors.  pkgmgr is responsible for scheduling the 
builds.  (And ports committers are responsible for making sure packages 
are even buildable).

> For example, FreeBSD:13:armv6 Latest dates back to 2021-Jan-25 but 
> there is no note about quarterly only. Various FreeBSD:15:* do not 
> have notes about Latest only, despite having no quarterly at all. Some 
> other cases have notable but shorter differences in the Latest vs. 
> Quarterly time frames, suggesting only one is being updated but no 
> fixed difference is definitive for that status.

The pkgsync infrastructure doesn't really care how often packages are 
updated.  If memory serves, we first added a "quarterly only" note when 
the thunderxX generation of aarch64 builders broke with distressing 
regularity.  The ampereX builders are much more reliable.

I think the current situation for armv6 is "updated irregularly".  
PowerPC is in the same boat as aarch64 in the ThunderX era: when the 
hardware works, packages are updated.

> Dan’s activities with the page do not use such notes as far as I 
> know.

Would it help if we added an easy to parse text file listing the ABIs 
we're currently distributing?  That won't tell you anything about the 
build schedule, but it'll at least tell you what's live, without having 
to parse HTML and hope we don't break it.

Philip

-- 
Philip Paeps
Senior Reality Engineer
Alternative Enterprises



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