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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 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/>.
;;; This file returns a manifest containing origins of all the packages. The
;;; main purpose is to allow continuous integration services to keep upstream
;;; source code around. It can also be passed to 'guix weather -m'.
(use-modules (srfi srfi-1) (srfi srfi-26)
(ice-9 match) (ice-9 vlist)
(guix packages) (guix profiles)
(gnu packages))
(define (all-packages)
"Return the list of all the packages, public or private, omitting only
superseded packages."
(fold-packages (lambda (package lst)
(match (package-replacement package)
(#f (cons package lst))
(replacement
(append (list replacement package) lst))))
'()
#:select? (negate package-superseded)))
(define (upstream-origin source)
"Return SOURCE without any patches or snippet."
(origin (inherit source)
(snippet #f) (patches '())))
(define (all-origins)
"Return the list of origins referred to by all the packages."
(let loop ((packages (all-packages))
(origins '())
(visited vlist-null))
(match packages
((head . tail)
(let ((new (remove (cut vhash-assq <> visited)
(package-direct-sources head))))
(loop tail (append new origins)
(fold (cut vhash-consq <> #t <>)
visited new))))
(()
origins))))
;; Return a manifest containing all the origins.
(manifest (map (lambda (origin)
(manifest-entry
(name (or (origin-actual-file-name origin)
"origin"))
(version "0")
(item (upstream-origin origin))))
(all-origins)))
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