mirror of git://git.savannah.gnu.org/guix.git
67 lines
2.5 KiB
Scheme
67 lines
2.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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;;; This file returns a manifest containing origins of all the packages. The
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;;; main purpose is to allow continuous integration services to keep upstream
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;;; source code around. It can also be passed to 'guix weather -m'.
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(use-modules (srfi srfi-1) (srfi srfi-26)
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(ice-9 match) (ice-9 vlist)
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(guix packages) (guix profiles)
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(gnu packages))
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(define (all-packages)
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"Return the list of all the packages, public or private, omitting only
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superseded packages."
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(fold-packages (lambda (package lst)
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(match (package-replacement package)
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(#f (cons package lst))
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(replacement
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(append (list replacement package) lst))))
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'()
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#:select? (negate package-superseded)))
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(define (upstream-origin source)
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"Return SOURCE without any patches or snippet."
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(origin (inherit source)
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(snippet #f) (patches '())))
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(define (all-origins)
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"Return the list of origins referred to by all the packages."
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(let loop ((packages (all-packages))
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(origins '())
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(visited vlist-null))
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(match packages
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((head . tail)
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(let ((new (remove (cut vhash-assq <> visited)
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(package-direct-sources head))))
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(loop tail (append new origins)
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(fold (cut vhash-consq <> #t <>)
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visited new))))
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(()
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origins))))
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;; Return a manifest containing all the origins.
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(manifest (map (lambda (origin)
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(manifest-entry
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(name (or (origin-actual-file-name origin)
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"origin"))
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(version "0")
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(item (upstream-origin origin))))
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(all-origins)))
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