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maint: Add ungrafting manifest.

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* etc/manifests/ungraft.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.

Change-Id: If4aa7649721b93d3297ecd967d5db4a6b71ec6eb
This commit is contained in:
Ludovic Courtès 2024-12-02 16:20:04 +01:00
parent 46a8922105
commit 5e2daf4b10
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2 changed files with 50 additions and 0 deletions
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1
Makefile.am
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@ -751,6 +751,7 @@ EXTRA_DIST += \
etc/manifests/source.scm \
etc/manifests/system-tests.scm \
etc/manifests/time-travel.scm \
etc/manifests/ungraft.scm \
etc/manifests/upgrade.scm \
scripts/guix.in \
tests/cve-sample.json \

49
etc/manifests/ungraft.scm Normal file
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@ -0,0 +1,49 @@
;;; 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))
(manifest
(with-store store
(let* ((grafted (grafted-packages))
(ungraft-all (package-input-rewriting
(map (lambda (package)
`(,package . ,(package-replacement package)))
grafted))))
(map (lambda (package)
(manifest-entry
(inherit (package->manifest-entry (ungraft-all package)))
(name (string-append (package-name package) "-ungrafted"))))
(dependents store grafted)))))