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To: alice <alice@ayaya.dev>
From: Mogens Jensen <mogens-jensen@protonmail.com>
Cc: Jakub Jirutka <jakub@jirutka.cz>, "~alpine/devel@lists.alpinelinux.org" <~alpine/devel@lists.alpinelinux.org>
Reply-To: Mogens Jensen <mogens-jensen@protonmail.com>
Subject: Re: Downgrading of x264-libs?
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Indeed there is no issue with the functionality of the system, but
I do like to deduce a hypothesis when "weird" stuff happens on the
systems I manage.

If I understand correctly, the only scenario where apk could
"downgrade" is if the previous x264-libs pkgver was 20210613 or lower?

If version 20210613-r0 was installed when the following was committed:

community/x264: change version number to include ABI version
https://gitlab.alpinelinux.org/alpine/aports/-/commit/a180db09f3b271548ca42=
478f2c6d27c2abe2f70

Is it 100% sure that the package should have been upgraded on the
system after that? Of course, normally a new version in pkgver would
make apk upgrade the package, but maybe because of the change in
version number scheme, the pkgrel should also have been set to 1 for
apk to upgrade?

I have tried to manually install x264-libs-20210613-r0.apk on an edge
system with all repositories enabled, remove the string appended to
package name in /etc/apk/world and run "apk update && apk upgrade -v".
The result is that x264-libs is NOT upgraded. Even after running
"apk add -v --upgrade x264-libs" apk still shows no updates.

With the following commit, pgrel was set to 1:

community/x264: enable lto
https://gitlab.alpinelinux.org/alpine/aports/-/commit/eecb4709387b5c56b5e4d=
fc8d28cf4923c754b24

I know for a fact that this was the version installed on the systems I
updated yesterday, that did not "downgrade" x264-libs. So maybe last
time I updated these system, it was in the short window while
x264-libs-0.163_git20210613-r1.apk was available on the mirror, which
made apk upgrade from x264-libs-20210613-r0, that's why no "downgrade"
happened on these yesterday.

I see that ffmpeg4-libs-4.4.2-r2 and ffmpeg-libs-5.0.1-r3 depends on
x264-libs-0.164_git20220602-r0, so maybe updating ffmpeg4-libs and
ffmpeg-libs was the cause of x264-libs-20210613-r0 finally being
upgraded to x264-libs-0.164_git20220602-r0 which caused the
"Downgrading" message on this single system.

Does that sounds plausible?

I know there have been some work on adding log file functionality to
apk, does anyone know the status of that?

Best regards,
Mogens Jensen