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bug#26645: guix potluck
From: |
Maxim Cournoyer |
Subject: |
bug#26645: guix potluck |
Date: |
Fri, 21 Jul 2023 12:57:56 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) |
Hi,
Ricardo Wurmus <rekado@elephly.net> writes:
> Hi Brice,
>
>> Reading through the initial email[0] by Andy the potlock feature seems
>> to be way more extensive than channels: it allows one to create simple
>> packages in an interactive manner and centralize the discoverability of
>> such packages. Channels provide us a way to create package outise of
>> Guix proper but finding channels containing the package you are looking
>> for is still an unsolved problem.
>
> One of the objectives was to provide a simpler and more robust way to
> define packages that would not break when package variables in Guix
> proper are moved around:
>
>> +Guix's @dfn{potluck} facility fills this gap. A @dfn{potluck package}
>> +is like a normal Guix package, except it expresses its inputs in the
>> +form of package specifications instead of direct references.
>> +@xref{potluck-package Reference}. Potluck packages also have a simpler
>> +package structure with fewer fields; compared to normal Guix packages,
>> +they are less expressive but more isolated from details of upstream
>> +Guix.
>
> We have the same facilities in JSON package definitions such as this one:
>
> [
> {
> "name": "myhello",
> "version": "2.10",
> "source": "mirror://gnu/hello/hello-2.10.tar.gz",
> "build-system": "gnu",
> "arguments": {
> "tests?": false
> }
> "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"]
> },
> {
> "name": "greeter",
> "version": "1.0",
> "source": "https://example.com/greeter-1.0.tar.gz",
> "build-system": "gnu",
> "arguments": {
> "test-target": "foo",
> "parallel-build?": false,
> },
> "home-page": "https://example.com/",
> "synopsis": "Greeter using GNU Hello",
> "description": "This is a wrapper around GNU Hello.",
> "license": "GPL-3.0+",
> "inputs": ["myhello", "hello"]
> }
> ]
>
> Since this can be fed to “guix build -f” directly, there doesn’t seem to
> be a need for “guix potluck init” any more.
>
> While I think it would be very convenient to be able to publish package
> definitions with “guix potluck update <url> <branch>”, it would require
> maintenance of the host-channel service that accepts possibly hostile
> user input. To prevent denial of service it should probably require
> authentication and enforce quotas.
>
> Since users can also push packages for non-free software we cannot host
> this on Guix project infrastructure. (I guess this was why the proposed
> domain was guix-potluck.org.)
OK. I'm closing the issue since it's been opened for 6 years with no
sign of it being driven home. Do send a refreshed version again if it's
still relevant/desired.
--
Thanks,
Maxim
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