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Re: [bug#47163] Using package transformations declaratively (was: [bug#4

From: Xinglu Chen
Subject: Re: [bug#47163] Using package transformations declaratively (was: [bug#47163] [PATCH] refresh: Add '--installed' option.)
Date: Tue, 16 Mar 2021 19:35:41 +0100

On Tue, Mar 16 2021, zimoun wrote:

>> I really like package transformations but is there a way to use specify
>> them with Guile so I can use them with `guix home`[1] or in manifests?
> There is several ways to have package transformations at the manifest
> level.  One is:
> --8<---------------cut here---------------start------------->8---
> (use-modules (guix transformations))
> (define transform1
>   (options->transformation
>     '((with-c-toolchain . "hello=gcc-toolchain@8"))))
> (packages->manifest
>   (list (transform1 (specification->package "hello"))))
> --8<---------------cut here---------------end--------------->8---

Cool, thanks for the help.

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