cf60a0a906
* guix/build-system/channel.scm (latest-channel-instances*): New variable. (build-channels): New procedure, with code formerly in 'channel-build-system', augmented with clauses for when SOURCE is a channel instance or a channel. * doc/guix.texi (Build Systems): Adjust accordingly.
72 lines
2.9 KiB
Scheme
72 lines
2.9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2019-2022 Ludovic Courtès <ludo@gnu.org>
|
|
;;;
|
|
;;; This file is part of GNU Guix.
|
|
;;;
|
|
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
|
;;; under the terms of the GNU General Public License as published by
|
|
;;; the Free Software Foundation; either version 3 of the License, or (at
|
|
;;; your option) any later version.
|
|
;;;
|
|
;;; GNU Guix is distributed in the hope that it will be useful, but
|
|
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;;; GNU General Public License for more details.
|
|
;;;
|
|
;;; You should have received a copy of the GNU General Public License
|
|
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(define-module (guix build-system channel)
|
|
#:use-module ((guix store) #:select (%store-monad store-lift))
|
|
#:use-module ((guix gexp) #:select (lower-object))
|
|
#:use-module (guix monads)
|
|
#:use-module (guix channels)
|
|
#:use-module (guix build-system)
|
|
#:export (channel-build-system))
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; The "channel" build system lets you build Guix instances from channel
|
|
;;; specifications, similar to how 'guix time-machine' would do it, as regular
|
|
;;; packages.
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define latest-channel-instances*
|
|
(store-lift latest-channel-instances))
|
|
|
|
(define* (build-channels name inputs
|
|
#:key source system commit
|
|
(authenticate? #t)
|
|
#:allow-other-keys)
|
|
(mlet* %store-monad ((instances
|
|
(cond ((channel-instance? source)
|
|
(return (list source)))
|
|
((channel? source)
|
|
(latest-channel-instances*
|
|
(list source)
|
|
#:authenticate? authenticate?))
|
|
(else
|
|
(mlet %store-monad ((source
|
|
(lower-object source)))
|
|
(return
|
|
(list (checkout->channel-instance
|
|
source #:commit commit))))))))
|
|
(channel-instances->derivation instances)))
|
|
|
|
(define channel-build-system
|
|
;; Build system used to "convert" a channel instance to a package.
|
|
(let ((lower (lambda* (name #:key system source commit (authenticate? #t)
|
|
#:allow-other-keys)
|
|
(bag
|
|
(name name)
|
|
(system system)
|
|
(build build-channels)
|
|
(arguments `(#:source ,source
|
|
#:authenticate? ,authenticate?
|
|
#:commit ,commit))))))
|
|
(build-system (name 'channel)
|
|
(description "Turn a channel instance into a package.")
|
|
(lower lower))))
|
|
|