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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org> | |
3 | ;;; | |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | ;;; This file returns a manifest containing origins of all the packages. The | |
20 | ;;; main purpose is to allow continuous integration services to keep upstream | |
21 | ;;; source code around. It can also be passed to 'guix weather -m'. | |
22 | ||
23 | (use-modules (srfi srfi-1) (srfi srfi-26) | |
24 | (ice-9 match) (ice-9 vlist) | |
25 | (guix packages) (guix profiles) | |
26 | (gnu packages)) | |
27 | ||
28 | (define (all-packages) | |
29 | "Return the list of all the packages, public or private, omitting only | |
30 | superseded packages." | |
31 | (fold-packages (lambda (package lst) | |
32 | (match (package-replacement package) | |
33 | (#f (cons package lst)) | |
34 | (replacement | |
35 | (append (list replacement package) lst)))) | |
36 | '() | |
37 | #:select? (negate package-superseded))) | |
38 | ||
39 | (define (upstream-origin source) | |
40 | "Return SOURCE without any patches or snippet." | |
41 | (origin (inherit source) | |
42 | (snippet #f) (patches '()))) | |
43 | ||
44 | (define (all-origins) | |
45 | "Return the list of origins referred to by all the packages." | |
46 | (let loop ((packages (all-packages)) | |
47 | (origins '()) | |
48 | (visited vlist-null)) | |
49 | (match packages | |
50 | ((head . tail) | |
51 | (let ((new (remove (cut vhash-assq <> visited) | |
52 | (package-direct-sources head)))) | |
53 | (loop tail (append new origins) | |
54 | (fold (cut vhash-consq <> #t <>) | |
55 | visited new)))) | |
56 | (() | |
57 | origins)))) | |
58 | ||
59 | ;; Return a manifest containing all the origins. | |
60 | (manifest (map (lambda (origin) | |
61 | (manifest-entry | |
62 | (name (or (origin-actual-file-name origin) | |
63 | "origin")) | |
64 | (version "0") | |
65 | (item (upstream-origin origin)))) | |
66 | (all-origins))) |