GNU bug report logs - #31456
guix size tries to fetch substitute information for installed package.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Martin Castillo <castilma <at> uni-bremen.de>
To: bug-guix <at> gnu.org
Subject: guix size tries to fetch substitute information for installed package.
Date: Mon, 14 May 2018 22:10:07 +0200

[Message part 1 (text/plain, inline)]

I'm on guix 563ab27bd4caead5676bbd515c54b25100c98960 on guixsd.
$ guix package -I; contains
lilypond	2.19.80	out
/gnu/store/jhmz7wpb93hryzqq32kcb4fs9cd84jyi-lilypond-2.19.80
I installed lilypond with that guix version.

$ guix size lilypond; gives me
guix size: error: no available substitute information for
'/gnu/store/6zyrglcmk8l4xpwvg6hgq1al81d7fr1w-lilypond-2.19.80'

I have no idea how this happens.
A wild guess is that store/jhmz.. is a grafted version, and guix size
looks for the ungrafted one?

Martin
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Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Martin Castillo <castilma <at> uni-bremen.de>
To: bug-guix <at> gnu.org
Subject: Re: guix size tries to fetch substitute information for installed
 package.
Date: Tue, 15 May 2018 00:22:17 +0200

[Message part 1 (text/plain, inline)]

On 14.05.2018 22:10, Martin Castillo wrote:
> I'm on guix 563ab27bd4caead5676bbd515c54b25100c98960 on guixsd.
> $ guix package -I; contains
> lilypond	2.19.80	out
> /gnu/store/jhmz7wpb93hryzqq32kcb4fs9cd84jyi-lilypond-2.19.80
> I installed lilypond with that guix version.
> 
> $ guix size lilypond; gives me
> guix size: error: no available substitute information for
> '/gnu/store/6zyrglcmk8l4xpwvg6hgq1al81d7fr1w-lilypond-2.19.80'
> 
> I have no idea how this happens.
> A wild guess is that store/jhmz.. is a grafted version, and guix size
> looks for the ungrafted one?

Seems like this is exactly what is happening. guix build --no-grafts
lilypond gave me
/gnu/store/6zyrglcmk8l4xpwvg6hgq1al81d7fr1w-lilypond-2.19.80
and guix size lilypond works as usual.

-- 
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Message #11 received at 31456 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Martin Castillo <castilma <at> uni-bremen.de>
Cc: 31456 <at> debbugs.gnu.org
Subject: Re: bug#31456: guix size tries to fetch substitute information for
 installed package.
Date: Tue, 15 May 2018 10:50:10 +0200

Hello,

Martin Castillo <castilma <at> uni-bremen.de> skribis:

> On 14.05.2018 22:10, Martin Castillo wrote:
>> I'm on guix 563ab27bd4caead5676bbd515c54b25100c98960 on guixsd.
>> $ guix package -I; contains
>> lilypond	2.19.80	out
>> /gnu/store/jhmz7wpb93hryzqq32kcb4fs9cd84jyi-lilypond-2.19.80
>> I installed lilypond with that guix version.
>> 
>> $ guix size lilypond; gives me
>> guix size: error: no available substitute information for
>> '/gnu/store/6zyrglcmk8l4xpwvg6hgq1al81d7fr1w-lilypond-2.19.80'
>> 
>> I have no idea how this happens.
>> A wild guess is that store/jhmz.. is a grafted version, and guix size
>> looks for the ungrafted one?
>
> Seems like this is exactly what is happening. guix build --no-grafts
> lilypond gave me
> /gnu/store/6zyrglcmk8l4xpwvg6hgq1al81d7fr1w-lilypond-2.19.80
> and guix size lilypond works as usual.

Exactly.  So I don’t think it’s a bug per se, just that no substitutes
were unavailable when you checked.

Right now I get (purely from substitutes):

--8<---------------cut here---------------start------------->8---
$ guix size --sort=closure lilypond | head
store item                                                       total    self
/gnu/store/s4wbbm0krpnlv22j5r5byb9iv7f3d4gg-lilypond-2.19.80       325.7    26.6   8.2%
/gnu/store/pwbx5fhjrq9crr1c0d2x08ch0l6vr3cv-pango-1.40.14          196.8     3.9   1.2%
/gnu/store/67b00bcqsgq4q6x01pkl7bmrl65hr1n2-harfbuzz-1.7.3         166.5     2.6   0.8%
/gnu/store/j4vj7h3wyb532g2j0axzjj43z2a0dg81-python-2.7.14          152.2    54.6  16.8%
/gnu/store/fs5f2mhnz2czgkcwd594f3i8yh0lyrfd-cairo-1.14.10          135.2     6.1   1.9%
/gnu/store/rrs4fwbsjz59a1gay7m5bhks6xyzl5ha-icu4c-60.2             116.0    36.1  11.1%
/gnu/store/sm37m59gq3smxxz8gs4jikn50qg0g7xh-glib-2.54.2            104.1    14.0   4.3%
/gnu/store/7b5ykfl6jbrdl8j7xp630fga4as3234z-ghostscript-9.22        91.5    22.4   6.9%
/gnu/store/23576gzvv6jdp9f547x6dgah1q9hwcna-libxft-2.3.2            85.1     0.3   0.1%
$ guix --version
guix (GNU Guix) cbcdb777900618f0858e26c91415c603e2a44fb8
Copyright (C) 2018 the Guix authors
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
--8<---------------cut here---------------end--------------->8---

I think we can close the bug, WDYT?

Ludo’.

Message #14 received at 31456 <at> debbugs.gnu.org (full text, mbox):

From: Martin Castillo <castilma <at> uni-bremen.de>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 31456 <at> debbugs.gnu.org
Subject: Re: bug#31456: guix size tries to fetch substitute information for
 installed package.
Date: Tue, 15 May 2018 12:19:12 +0200

[Message part 1 (text/plain, inline)]

> Exactly.  So I don’t think it’s a bug per se, just that no substitutes
> were unavailable when you checked.

The documentation gives me the impression that it should work without
substitutes, when I have the package installed.

> 
> I think we can close the bug, WDYT?

I think guix size should automatically search for the grafted version,
unless there is a technical reason/another use-case for guix size that
I'm not aware of, for which it makes more sense to use the ungrafted
version.

If that's the case, maybe say that in the documentation?


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Message #19 received at 31456-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Martin Castillo <castilma <at> uni-bremen.de>
Cc: 31456-done <at> debbugs.gnu.org
Subject: Re: bug#31456: guix size tries to fetch substitute information for
 installed package.
Date: Wed, 16 May 2018 15:29:04 +0200

Hello Martin,

Martin Castillo <castilma <at> uni-bremen.de> skribis:

>> Exactly.  So I don’t think it’s a bug per se, just that no substitutes
>> were unavailable when you checked.
>
> The documentation gives me the impression that it should work without
> substitutes, when I have the package installed.

Right, it will work out-of-the-box if you have the ungrafted version in
the store.

> I think guix size should automatically search for the grafted version,
> unless there is a technical reason/another use-case for guix size that
> I'm not aware of, for which it makes more sense to use the ungrafted
> version.

‘guix size’ resorts to substitutes if it can’t find what it’s looking
for locally.

It explicitly search for the ungrafted version because substitute
servers only have the ungrafted version, and because computing the
derivation of the grafted version may require building the ungrafted on.

> If that's the case, maybe say that in the documentation?

Agreed, done in 2fd345cdfdd45dd48c9392a26793e442d680968b.

Thank you!

Ludo’.

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