GNU bug report logs - #40629
Build and install packages from JSON definitions

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From: Christopher Baines <mail <at> cbaines.net>
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: 40629 <at> debbugs.gnu.org
Subject: [bug#40629] Build and install packages from JSON definitions
Date: Wed, 15 Apr 2020 19:26:52 +0100

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Ricardo Wurmus <rekado <at> elephly.net> writes:

> did you know that we have JSON importer?  Admittedly, it’s not very
> useful because people don’t generally use JSON syntax to define Guix
> packages.  Not even Guix lets you build and install packages from JSON
> definitions, so what’s the point really?
>
> Well, fret not!  This patch set adds support for JSON package
> definitions to “guix package -f” and “guix build -f”.  You can now dump
> this into a file “hello.json”:
>
> --8<---------------cut here---------------start------------->8---
> {
>   "name": "hello",
>   "version": "2.10",
>   "source": "mirror://gnu/hello/hello-2.10.tar.gz",
>   "build-system": "gnu",
>   "home-page": "https://www.gnu.org/software/hello/",
>   "synopsis": "Hello, GNU world: An example GNU package",
>   "description": "GNU Hello prints a greeting.",
>   "license": "GPL-3.0+",
>   "native-inputs": ["gettext"]
> }
> --8<---------------cut here---------------end--------------->8---
>
> and then install the hello package with “guix package -f hello.json”
> without having to first run the JSON importer.
>
> Since the JSON importer doesn’t know how to work with more than one
> definition you can’t have more than one custom definition in your JSON
> file, but if there’s interest we can easily add support for this.
>
> (My patch set does not come with documentation changes for “guix
> package” or “guix build”.)
>
> What do you think?

I haven't played with the JSON importer, but this sounds cool. Did you
have any ideas for using this in mind?

Thanks,

Chris

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