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From: Simon Tournier <zimon.toutoune@HIDDEN>
To: Ulf Herrman <striness@HIDDEN>, 67221 <at> debbugs.gnu.org
Subject: Re: bug#67221: Package identity transformation produces different
derivation
In-Reply-To: <87leaye4h5.fsf@HIDDEN>
References: <87leaye4h5.fsf@HIDDEN>
Date: Fri, 12 Jan 2024 11:50:23 +0100
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Hi,
On Wed, 15 Nov 2023 at 21:56, Ulf Herrman <striness@HIDDEN> wrote:
> $ guix build --no-grafts --derivations -e \
> '(begin
> (use-modules (guix packages) (gnu packages gtk))
> ((package-mapping identity) cairo-sans-poppler))' \
> -e '(@ (gnu packages gtk) cairo-sans-poppler)'
> =3D>
> /gnu/store/51hwf2mc2ig76a3nm86msv4z9az3s0j3-cairo-1.16.0.drv
> /gnu/store/q78ziqcg2dvi2lzj18hzdld85bcydzwk-cairo-1.16.0.drv
The only difference is from the builder: %build-inputs contains
("util-linux" . "/gnu/store/gwx2sf5wl9bsl21lwv35g5la63bwyy95-util-linux-=
2.37.4-lib")
for the non-transformed =E2=80=99(@ (gnu packages gtk) cairo-sans-poppler)=
=E2=80=99
package, only.
Hum, is =E2=80=99package-mapping=E2=80=99 removing it?
> 1. (package-mapping identity #:deep? #t) *does* produce the same
> derivation.
Well, it means that #:deep? #t adds =E2=80=9Cutil-linux=E2=80=9D in the bui=
lder.
Cheers,
simon
bug-guix@HIDDEN:bug#67221; Package guix.
Full text available.Ludovic Courtès <ludo@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.
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From: Ulf Herrman <striness@HIDDEN>
To: bug-guix@HIDDEN
Subject: Package identity transformation produces different derivation
Date: Wed, 15 Nov 2023 21:56:06 -0600
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--=-=-=
Content-Type: text/plain
$ guix build --no-grafts --derivations -e \
'(begin
(use-modules (guix packages) (gnu packages gtk))
((package-mapping identity) cairo-sans-poppler))' \
-e '(@ (gnu packages gtk) cairo-sans-poppler)'
=>
/gnu/store/51hwf2mc2ig76a3nm86msv4z9az3s0j3-cairo-1.16.0.drv
/gnu/store/q78ziqcg2dvi2lzj18hzdld85bcydzwk-cairo-1.16.0.drv
Some interesting notes:
1. (package-mapping identity #:deep? #t) *does* produce the same
derivation.
2. bag->derivation's `delete-duplicates' call uses `input=?', but its
input objects in the second tuple position are all <gexp-input>s
produced by `expand-input'. Consequently, `input=?' will fall back
to using `equal?' instead of `derivation=?'. I don't know to what
extent this has to do with the observed bug.
- ulfvonbelow
--=-=-=
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--=-=-=--
Ulf Herrman <striness@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#67221; Package guix.
Full text available.
GNU bug tracking system
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1994-97 Ian Jackson.