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[bug#41164] [PATCH 0/3] Add 'guix graph --path'


From: Ludovic Courtès
Subject: [bug#41164] [PATCH 0/3] Add 'guix graph --path'
Date: Mon, 11 May 2020 22:55:26 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Hi,

zimoun <address@hidden> skribis:

> On Mon, 11 May 2020 at 14:36, Ludovic Courtès <address@hidden> wrote:
>
>> zimoun <address@hidden> skribis:
>>
>> > ./pre-inst-env guix graph --path -t references libreoffice llvm
>> > guix graph: error: no path from
>> > '/gnu/store/rd24gl402vy5g5sm3azhq13mwdg5fbi1-libreoffice-6.4.2.2' to
>> > '/gnu/store/bcgnx704v408sr7lcy480wcnbkcixwrw-llvm-10.0.0-opt-viewer'
>>
>> There’s a path to llvm@9 though.
>
> Well, I do not know if the issue is not about the "outputs" 'out' vs
> 'opt-viewer'.  I probably do not understand how 'references' works but
> 'dbus' is an 'inputs' of 'vlc' and:
>
>   ./pre-inst-env guix graph --path vlc -t references dbus
> guix graph: error: no path from
> '/gnu/store/2qk6h97bhm5zii59005ws5qk6drhdp3b-vlc-3.0.10' to
> '/gnu/store/6a65in084gfn5bbgyna179irhghvqfpy-dbus-1.12.16-doc'

You’re doing it right, but the ‘dbus’ package has two outputs and the
thing just picks the first one, which is not the one you’re interested
in.

I’ll check if we can just arrange to parse outputs instead of packages.

Thanks,
Ludo’.





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