;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021, 2024 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 (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)))
/a>/<a href='/guix/log/tests/cran.scm?id=2db9a145140869cc3b66813ecaf797d2805a5afa'>cran.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/cran.scm?id=2db9a145140869cc3b66813ecaf797d2805a5afa&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-18 04:09:47 +0100'>2021-12-18</span></td><td><a href='/guix/commit/tests/cran.scm?id=10ceb3e84654e024f14a4b048e7d68492ed9dc7c'>import: cran: Fix description-&gt;package test.</a><span class='msg-avail'>...<span class='msg-tooltip'>This follows up on commit 5cd1019488c44081aaf030fbe8bc357d78daef23.

* tests/cran.scm (description): Include a very long line.
(description-&gt;package): Update the golden description to match the
paragraph filling now performed by BEAUTIFY-DESCRIPTION.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-07-11 00:49:16 +0200'>2021-07-11</span></td><td><a href='/guix/commit/tests/cran.scm?id=aa6921634b4ea9988af0e37bfbb56780c431ef64'>import: cran: Emit new-style package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/cran.scm (format-inputs): Emit symbols or
'specification-&gt;package' calls.
(maybe-inputs): Wrap in 'list' instead of 'quasiquote'.
* tests/cran.scm ("description-&gt;package"): Adjust accordingly.
</span></span></td><td>Ludovic Courtès</td></tr>