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From: Zhu Zihao <all_but_last@163.com>
To: jgart <jgart@dismail.de>
Cc: guix-devel@gnu.org
Subject: Re: foreign-distro?
Date: Wed, 23 Nov 2022 18:36:49 +0800	[thread overview]
Message-ID: <86k03mvtu3.fsf@163.com> (raw)
In-Reply-To: <20221120145440.GB23557@dismail.de>

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If you want to left the choice to user. You can just don't patch it. Or
you can always patch it because user can still use package transformer
to specify a custom ffmpeg.


jgart <jgart@dismail.de> writes:

> Does Guix have a declarative Guix API way of knowing if it is installing
> a package into foreign distro versus Guix System?
>
> I'm thinking of a function like `foreign-distro?`:
>
> ```
> (define-public peek
>   (package
>    (name "peek")
>    ...
> (inputs 
>   `(,@(if (foreign-distro?) `(("ffmpeg" ,ffmpeg)) '())))
> ```
>
> The above includes ffmpeg in the inputs only if installing peek on a
> foreign distro. It could additionally patch the ffmpeg executable in
> a peek package phases if foreign-distro? returns #t.
>
> WDYT


-- 
Retrieve my PGP public key:

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Zihao

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  parent reply	other threads:[~2022-11-23 10:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-20 20:54 foreign-distro? jgart
2022-11-20 22:08 ` foreign-distro? Julien Lepiller
2022-11-21  1:57   ` foreign-distro? Jake Shilling
2022-11-23 10:36 ` Zhu Zihao [this message]
2022-11-23 12:34   ` foreign-distro? Wojtek Kosior via Development of GNU Guix and the GNU System distribution.

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