Re: git: 988da7290c99 - main - ./UPDATING: mention the python default version change

On Mon, 2024-06-03 at 15:45, Baptiste Daroussin <bapt@freebsd.org> wrote:

> On Wed 29 May 14:20, Ruslan Makhmatkhanov wrote:
>> The branch main has been updated by rm:

>> URL: https://cgit.FreeBSD.org/ports/commit/?id=988da7290c997a29581bb828bd59257060d8ddbc

>> commit 988da7290c997a29581bb828bd59257060d8ddbc
>> Author:     Ruslan Makhmatkhanov <rm@FreeBSD.org>
>> AuthorDate: 2024-05-29 14:20:07 +0000
>> Commit:     Ruslan Makhmatkhanov <rm@FreeBSD.org>
>> CommitDate: 2024-05-29 14:20:07 +0000

>>     ./UPDATING: mention the python default version change
>> ---
>>  UPDATING | 33 +++++++++++++++++++++++++++++++++
>>  1 file changed, 33 insertions(+)

>> diff --git a/UPDATING b/UPDATING
>> index 7a5fc11c35ec..f0077905cb2d 100644
>> --- a/UPDATING
>> +++ b/UPDATING
>> @@ -5,6 +5,39 @@ they are unavoidable.
>>  You should get into the habit of checking this file for changes each time
>>  you update your ports collection, before attempting any port upgrades.

>> +20240529:
>> +  AFFECTS: users of python
>> +  AUTHOR: rm@FreeBSD.org
>> +
>> +  The default version of python3 and python was switched to 3.11.
>> +
>> +  For ports users wanting to keep version 3.9 as default,
>> +  add DEFAULT_VERSIONS+= python=3.9 python3=3.9 to make.conf
>> +
>> +  Following procedures may ease the upgrade:
>> +
>> +  For users of pre-build packages:
>> +  # sh
>> +  # for i in $(pkg query -g %n 'py39-*'); do pkg set -yn ${i}:py311-${i#py39-}; done

> I don't think it is a good advice at all, pkg set should not be necessary at
> all, what case are we trying to fix by providing this advice?

A user has the package py39-blah, which was explicitly installed.  Now,
when the user does `pkg upgrade`, py311-blah won't replace py39-blah.
IMO, that's a problem.

We gave similar advice when the emacs ports had version information in
the package name (other than PKGVERSION at the end).