* [gentoo-user] Where does Portage store what USE flags are required for binhost packages?
@ 2024-12-08 14:57 Dr Rainer Woitok
2024-12-08 15:24 ` Eli Schwartz
0 siblings, 1 reply; 4+ messages in thread
From: Dr Rainer Woitok @ 2024-12-08 14:57 UTC (permalink / raw
To: Gentoo-User
Greetings,
off and on my attempts to coax Portage into installing a binary package
fail. Current example: "sys-libs/readline-8.2_p13" was installed as bi-
nary some weeks ago, while my current attempts to install "sys-libs/
readline-8.2_p13-r1" as binary are ignored, "emerge" insists in install-
ing it as an ebuild. Same happened with a few more packages.
I downloaded file "Packages" from my binhost mirror which provides quite
some information and helped me specifying the correct USE flags for se-
veral packages. But not for all -- apparently Portage's decicions are
based on different information.
Where should I look?
Sincerely,
Rainer
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [gentoo-user] Where does Portage store what USE flags are required for binhost packages?
2024-12-08 14:57 [gentoo-user] Where does Portage store what USE flags are required for binhost packages? Dr Rainer Woitok
@ 2024-12-08 15:24 ` Eli Schwartz
2024-12-08 17:57 ` Dr Rainer Woitok
0 siblings, 1 reply; 4+ messages in thread
From: Eli Schwartz @ 2024-12-08 15:24 UTC (permalink / raw
To: gentoo-user
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On 12/8/24 9:57 AM, Dr Rainer Woitok wrote:
> Greetings,
>
> off and on my attempts to coax Portage into installing a binary package
> fail. Current example: "sys-libs/readline-8.2_p13" was installed as bi-
> nary some weeks ago, while my current attempts to install "sys-libs/
> readline-8.2_p13-r1" as binary are ignored, "emerge" insists in install-
> ing it as an ebuild. Same happened with a few more packages.
>
> I downloaded file "Packages" from my binhost mirror which provides quite
> some information and helped me specifying the correct USE flags for se-
> veral packages. But not for all -- apparently Portage's decicions are
> based on different information.
>
> Where should I look?
There's no subtlety to where USE flags are stored. They are stored in
the Packages file right where you looked. :)
There are other reasons a binpackage might be ineligible. For example,
if dependencies have changed (including build-time dependencies IIRC)
via ebuild / eclass edits, or when an RDEPEND has a subslot binding
dependency and your installed version of the dependency has been
upgraded, the binpackage won't work (and in a world update, you'd see a
red "r" to indicate that one package is forcing another package to rebuild).
By the way you don't need to download the Packages file manually. It
will be in /var/cache/edb/binhost/ using a directory structure based on
your binhost uri. For example, my cached copy is at:
/var/cache/edb/binhost/gentoo.osuosl.org/releases/amd64/binpackages/23.0/x86-64-v3/Packages
--
Eli Schwartz
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [gentoo-user] Where does Portage store what USE flags are required for binhost packages?
2024-12-08 15:24 ` Eli Schwartz
@ 2024-12-08 17:57 ` Dr Rainer Woitok
2024-12-08 18:13 ` Eli Schwartz
0 siblings, 1 reply; 4+ messages in thread
From: Dr Rainer Woitok @ 2024-12-08 17:57 UTC (permalink / raw
To: gentoo-user; +Cc: Eli Schwartz
Eli,
On Sun, 8 Dec 2024 10:24:42 -0500 you wrote:
> ...
> By the way you don't need to download the Packages file manually. It
> will be in /var/cache/edb/binhost/ using a directory structure based on
> your binhost uri.
Great. Thankyou for this pointer!
But: the file "/var/cache/edb/binhost/**/Packages" has a time stamp from
December 2-nd and differs from the "Packages" file I downloaded manually
yesterday. So when does Portage sync it? I ran "emaint sync -A" yes-
terday and then experimented with "emerge --pretend". But this did not
update file "/var/cache/edb/binhost/**/Packages".
In any case the differences between these two files could well explain
my problems.
Sincerely,
Rainer
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [gentoo-user] Where does Portage store what USE flags are required for binhost packages?
2024-12-08 17:57 ` Dr Rainer Woitok
@ 2024-12-08 18:13 ` Eli Schwartz
0 siblings, 0 replies; 4+ messages in thread
From: Eli Schwartz @ 2024-12-08 18:13 UTC (permalink / raw
To: Dr Rainer Woitok, gentoo-user
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On 12/8/24 12:57 PM, Dr Rainer Woitok wrote:
> Eli,
>
> On Sun, 8 Dec 2024 10:24:42 -0500 you wrote:
>
>> ...
>> By the way you don't need to download the Packages file manually. It
>> will be in /var/cache/edb/binhost/ using a directory structure based on
>> your binhost uri.
>
> Great. Thankyou for this pointer!
>
> But: the file "/var/cache/edb/binhost/**/Packages" has a time stamp from
> December 2-nd and differs from the "Packages" file I downloaded manually
> yesterday. So when does Portage sync it? I ran "emaint sync -A" yes-
> terday and then experimented with "emerge --pretend". But this did not
> update file "/var/cache/edb/binhost/**/Packages".
>
> In any case the differences between these two files could well explain
> my problems.
It is definitely downloaded by emerge --pretend --getbinpkg.
It is not downloaded by emaint sync.
If neither FEATURES="getbinpkg" nor EMERGE_DEFAULT_OPTS="--getbinpkg"
are set, then you have to manually pass --getbinpkg on the CLI every
time you want binpackages -- correspondingly, it will only download the
Packages file when you manually pass --getbinpkg (as root). In theory,
this should mean you always have a fresh cached index any time you
actually check for binary updates...
It also will check the timestamp to figure out whether to redownload.
The downloaded file will have a new "DOWNLOAD_TIMESTAMP:" field but you
can ignore that specific line. A timestamp of December 2 is definitely
way too old.
...
So the two possibilities I can think of are that:
- you ran --pretend as non-root, so emerge couldn't update the index
- you usually update with -uDU --getbinpkg, and didn't pass --getbinpkg
with --pretend
--
Eli Schwartz
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2024-12-08 14:57 [gentoo-user] Where does Portage store what USE flags are required for binhost packages? Dr Rainer Woitok
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2024-12-08 18:13 ` Eli Schwartz
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