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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 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 manifest "ungrafts" all the currently grafted packages and returns
;; said packages and all their dependents.
(use-modules (guix diagnostics)
(guix i18n)
(guix packages)
(guix profiles)
(guix store)
((guix scripts build) #:select (dependents))
((gnu packages) #:select (all-packages))
(srfi srfi-1))
(define (grafted-packages)
(info (G_ "enumerating grafted packages...~%"))
(let ((result (filter package-replacement (all-packages))))
(info (G_ "found ~d grafted packages:~{ ~a~}~%")
(length result) (map package-full-name result))
result))
(define ungraft
(package-mapping (lambda (p)
(or (package-replacement p) p))
#:deep? #t))
(manifest
(with-store store
(let ((grafted (grafted-packages)))
(map (lambda (package)
(manifest-entry
(inherit (package->manifest-entry (ungraft package)))
(name (string-append (package-name package) "-ungrafted"))))
(dependents store grafted)))))
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