b8638f0347
* guix/scripts/package.scm (show-help): Call 'show-transformation-options-help'. (%options): Append %TRANSFORMATION-OPTIONS. (process-actions)[transform, transform-entry]: New procedures. * doc/guix.texi (Invoking guix package): Mention package transformations. (Package Transformation Options): Mention 'guix package'.
854 lines
34 KiB
Scheme
854 lines
34 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
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;;; Copyright © 2013, 2015 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
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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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(define-module (guix scripts package)
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#:use-module (guix ui)
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#:use-module (guix store)
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#:use-module (guix derivations)
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#:use-module (guix packages)
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#:use-module (guix profiles)
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#:use-module (guix search-paths)
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#:use-module (guix monads)
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#:use-module (guix utils)
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#:use-module (guix config)
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#:use-module (guix scripts)
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#:use-module (guix scripts build)
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#:use-module ((guix build utils)
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#:select (directory-exists? mkdir-p))
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#:use-module (ice-9 format)
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#:use-module (ice-9 match)
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#:use-module (ice-9 vlist)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (srfi srfi-37)
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#:use-module (gnu packages)
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#:autoload (gnu packages base) (canonical-package)
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#:autoload (gnu packages guile) (guile-2.0)
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#:autoload (gnu packages bootstrap) (%bootstrap-guile)
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#:export (delete-generations
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display-search-paths
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guix-package))
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(define %store
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(make-parameter #f))
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;;;
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;;; Profiles.
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;;;
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(define %user-profile-directory
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(and=> (getenv "HOME")
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(cut string-append <> "/.guix-profile")))
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(define %profile-directory
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(string-append %state-directory "/profiles/"
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(or (and=> (or (getenv "USER")
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(getenv "LOGNAME"))
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(cut string-append "per-user/" <>))
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"default")))
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(define %current-profile
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;; Call it `guix-profile', not `profile', to allow Guix profiles to
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;; coexist with Nix profiles.
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(string-append %profile-directory "/guix-profile"))
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(define (canonicalize-profile profile)
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"If PROFILE is %USER-PROFILE-DIRECTORY, return %CURRENT-PROFILE. Otherwise
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return PROFILE unchanged. The goal is to treat '-p ~/.guix-profile' as if
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'-p' was omitted." ; see <http://bugs.gnu.org/17939>
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(if (and %user-profile-directory
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(string=? (canonicalize-path (dirname profile))
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(dirname %user-profile-directory))
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(string=? (basename profile) (basename %user-profile-directory)))
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%current-profile
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profile))
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(define (user-friendly-profile profile)
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"Return either ~/.guix-profile if that's what PROFILE refers to, directly or
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indirectly, or PROFILE."
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(if (and %user-profile-directory
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(false-if-exception
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(string=? (readlink %user-profile-directory) profile)))
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%user-profile-directory
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profile))
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(define (ensure-default-profile)
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"Ensure the default profile symlink and directory exist and are writable."
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(define (rtfm)
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(format (current-error-port)
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(_ "Try \"info '(guix) Invoking guix package'\" for \
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more information.~%"))
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(exit 1))
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;; Create ~/.guix-profile if it doesn't exist yet.
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(when (and %user-profile-directory
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%current-profile
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(not (false-if-exception
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(lstat %user-profile-directory))))
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(symlink %current-profile %user-profile-directory))
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(let ((s (stat %profile-directory #f)))
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;; Attempt to create /…/profiles/per-user/$USER if needed.
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(unless (and s (eq? 'directory (stat:type s)))
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(catch 'system-error
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(lambda ()
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(mkdir-p %profile-directory))
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(lambda args
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;; Often, we cannot create %PROFILE-DIRECTORY because its
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;; parent directory is root-owned and we're running
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;; unprivileged.
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(format (current-error-port)
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(_ "error: while creating directory `~a': ~a~%")
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%profile-directory
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(strerror (system-error-errno args)))
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(format (current-error-port)
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(_ "Please create the `~a' directory, with you as the owner.~%")
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%profile-directory)
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(rtfm))))
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;; Bail out if it's not owned by the user.
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(unless (or (not s) (= (stat:uid s) (getuid)))
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(format (current-error-port)
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(_ "error: directory `~a' is not owned by you~%")
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%profile-directory)
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(format (current-error-port)
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(_ "Please change the owner of `~a' to user ~s.~%")
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%profile-directory (or (getenv "USER")
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(getenv "LOGNAME")
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(getuid)))
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(rtfm))))
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(define (delete-generations store profile generations)
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"Delete GENERATIONS from PROFILE.
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GENERATIONS is a list of generation numbers."
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(for-each (cut delete-generation* store profile <>)
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generations))
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(define (delete-matching-generations store profile pattern)
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"Delete from PROFILE all the generations matching PATTERN. PATTERN must be
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a string denoting a set of generations: the empty list means \"all generations
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but the current one\", a number designates a generation, and other patterns
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denote ranges as interpreted by 'matching-generations'."
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(let ((current (generation-number profile)))
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(cond ((not (file-exists? profile)) ; XXX: race condition
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(raise (condition (&profile-not-found-error
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(profile profile)))))
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((string-null? pattern)
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(delete-generations store profile
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(delv current (profile-generations profile))))
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;; Do not delete the zeroth generation.
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((equal? 0 (string->number pattern))
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#t)
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;; If PATTERN is a duration, match generations that are
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;; older than the specified duration.
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((matching-generations pattern profile
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#:duration-relation >)
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=>
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(lambda (numbers)
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(when (memv current numbers)
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(warning (_ "not removing generation ~a, which is current~%")
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current))
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;; Make sure we don't inadvertently remove the current
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;; generation.
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(let ((numbers (delv current numbers)))
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(when (null-list? numbers)
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(leave (_ "no matching generation~%")))
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(delete-generations store profile numbers))))
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(else
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(leave (_ "invalid syntax: ~a~%") pattern)))))
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(define* (build-and-use-profile store profile manifest
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#:key
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bootstrap? use-substitutes?
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dry-run?)
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"Build a new generation of PROFILE, a file name, using the packages
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specified in MANIFEST, a manifest object."
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(when (equal? profile %current-profile)
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(ensure-default-profile))
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(let* ((prof-drv (run-with-store store
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(profile-derivation manifest
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#:hooks (if bootstrap?
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'()
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%default-profile-hooks))))
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(prof (derivation->output-path prof-drv)))
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(show-what-to-build store (list prof-drv)
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#:use-substitutes? use-substitutes?
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#:dry-run? dry-run?)
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(cond
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(dry-run? #t)
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((and (file-exists? profile)
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(and=> (readlink* profile) (cut string=? prof <>)))
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(format (current-error-port) (_ "nothing to be done~%")))
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(else
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(let* ((number (generation-number profile))
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;; Always use NUMBER + 1 for the new profile, possibly
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;; overwriting a "previous future generation".
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(name (generation-file-name profile (+ 1 number))))
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(and (build-derivations store (list prof-drv))
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(let* ((entries (manifest-entries manifest))
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(count (length entries)))
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(switch-symlinks name prof)
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(switch-symlinks profile name)
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(unless (string=? profile %current-profile)
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(register-gc-root store name))
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(format #t (N_ "~a package in profile~%"
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"~a packages in profile~%"
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count)
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count)
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(display-search-paths entries (list profile)))))))))
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;;;
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;;; Package specifications.
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;;;
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(define (find-packages-by-description regexps)
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"Return the list of packages whose name matches one of REGEXPS, or whose
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synopsis or description matches all of REGEXPS."
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(define version<? (negate version>=?))
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(define (matches-all? str)
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(every (cut regexp-exec <> str) regexps))
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(define (matches-one? str)
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(find (cut regexp-exec <> str) regexps))
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(sort
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(fold-packages (lambda (package result)
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(if (or (matches-one? (package-name package))
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(and=> (package-synopsis package)
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(compose matches-all? P_))
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(and=> (package-description package)
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(compose matches-all? P_)))
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(cons package result)
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result))
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'())
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(lambda (p1 p2)
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(case (string-compare (package-name p1) (package-name p2)
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(const '<) (const '=) (const '>))
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((=) (version<? (package-version p1) (package-version p2)))
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((<) #t)
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(else #f)))))
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(define (upgradeable? name current-version current-path)
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"Return #t if there's a version of package NAME newer than CURRENT-VERSION,
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or if the newest available version is equal to CURRENT-VERSION but would have
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an output path different than CURRENT-PATH."
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(match (vhash-assoc name (find-newest-available-packages))
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((_ candidate-version pkg . rest)
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(case (version-compare candidate-version current-version)
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((>) #t)
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((<) #f)
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((=) (let ((candidate-path (derivation->output-path
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(package-derivation (%store) pkg))))
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(not (string=? current-path candidate-path))))))
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(#f #f)))
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;;;
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;;; Search paths.
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;;;
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(define* (search-path-environment-variables entries profiles
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#:optional (getenv getenv)
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#:key (kind 'exact))
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"Return environment variable definitions that may be needed for the use of
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ENTRIES, a list of manifest entries, in PROFILES. Use GETENV to determine the
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current settings and report only settings not already effective. KIND
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must be one of 'exact, 'prefix, or 'suffix, depending on the kind of search
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path definition to be returned."
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(let ((search-paths (delete-duplicates
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(cons $PATH
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(append-map manifest-entry-search-paths
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entries)))))
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(filter-map (match-lambda
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((spec . value)
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(let ((variable (search-path-specification-variable spec))
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(sep (search-path-specification-separator spec)))
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(environment-variable-definition variable value
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#:separator sep
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#:kind kind))))
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(evaluate-search-paths search-paths profiles
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getenv))))
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(define* (display-search-paths entries profiles
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#:key (kind 'exact))
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"Display the search path environment variables that may need to be set for
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ENTRIES, a list of manifest entries, in the context of PROFILE."
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(let* ((profiles (map user-friendly-profile profiles))
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(settings (search-path-environment-variables entries profiles
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#:kind kind)))
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(unless (null? settings)
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(format #t (_ "The following environment variable definitions may be needed:~%"))
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(format #t "~{ ~a~%~}" settings))))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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;; Alist of default option values.
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`((max-silent-time . 3600)
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(verbosity . 0)
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(substitutes? . #t)))
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(define (show-help)
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(display (_ "Usage: guix package [OPTION]...
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Install, remove, or upgrade packages in a single transaction.\n"))
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(display (_ "
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-i, --install PACKAGE ...
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install PACKAGEs"))
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(display (_ "
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-e, --install-from-expression=EXP
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install the package EXP evaluates to"))
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(display (_ "
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-f, --install-from-file=FILE
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install the package that the code within FILE
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evaluates to"))
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(display (_ "
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-r, --remove PACKAGE ...
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remove PACKAGEs"))
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(display (_ "
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-u, --upgrade[=REGEXP] upgrade all the installed packages matching REGEXP"))
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(display (_ "
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-m, --manifest=FILE create a new profile generation with the manifest
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from FILE"))
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(display (_ "
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--do-not-upgrade[=REGEXP] do not upgrade any packages matching REGEXP"))
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(display (_ "
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--roll-back roll back to the previous generation"))
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(display (_ "
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--search-paths[=KIND]
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display needed environment variable definitions"))
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(display (_ "
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-l, --list-generations[=PATTERN]
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list generations matching PATTERN"))
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(display (_ "
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-d, --delete-generations[=PATTERN]
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delete generations matching PATTERN"))
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(display (_ "
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-S, --switch-generation=PATTERN
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switch to a generation matching PATTERN"))
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(display (_ "
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-p, --profile=PROFILE use PROFILE instead of the user's default profile"))
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(newline)
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(display (_ "
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--bootstrap use the bootstrap Guile to build the profile"))
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(display (_ "
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--verbose produce verbose output"))
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(newline)
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(display (_ "
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-s, --search=REGEXP search in synopsis and description using REGEXP"))
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(display (_ "
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-I, --list-installed[=REGEXP]
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list installed packages matching REGEXP"))
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(display (_ "
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-A, --list-available[=REGEXP]
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list available packages matching REGEXP"))
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(display (_ "
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--show=PACKAGE show details about PACKAGE"))
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(newline)
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(show-build-options-help)
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(newline)
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(show-transformation-options-help)
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(newline)
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(display (_ "
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-h, --help display this help and exit"))
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(display (_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specification of the command-line options.
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(cons* (option '(#\h "help") #f #f
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(lambda args
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(show-help)
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(exit 0)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix package")))
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(option '(#\i "install") #f #t
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(lambda (opt name arg result arg-handler)
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(let arg-handler ((arg arg) (result result))
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(values (if arg
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(alist-cons 'install arg result)
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result)
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arg-handler))))
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(option '(#\e "install-from-expression") #t #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'install (read/eval-package-expression arg)
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result)
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#f)))
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(option '(#\f "install-from-file") #t #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'install
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(load* arg (make-user-module '()))
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result)
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#f)))
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(option '(#\r "remove") #f #t
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(lambda (opt name arg result arg-handler)
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(let arg-handler ((arg arg) (result result))
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(values (if arg
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(alist-cons 'remove arg result)
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result)
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arg-handler))))
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(option '(#\u "upgrade") #f #t
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(lambda (opt name arg result arg-handler)
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(let arg-handler ((arg arg) (result result))
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(values (alist-cons 'upgrade arg
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;; Delete any prior "upgrade all"
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;; command, or else "--upgrade gcc"
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;; would upgrade everything.
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(delete '(upgrade . #f) result))
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arg-handler))))
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(option '("do-not-upgrade") #f #t
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(lambda (opt name arg result arg-handler)
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(let arg-handler ((arg arg) (result result))
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(values (if arg
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(alist-cons 'do-not-upgrade arg result)
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result)
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arg-handler))))
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(option '("roll-back") #f #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'roll-back? #t result)
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#f)))
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(option '(#\m "manifest") #t #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'manifest arg result)
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arg-handler)))
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(option '(#\l "list-generations") #f #t
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(lambda (opt name arg result arg-handler)
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(values (cons `(query list-generations ,(or arg ""))
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result)
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#f)))
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(option '(#\d "delete-generations") #f #t
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'delete-generations (or arg "")
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result)
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#f)))
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(option '(#\S "switch-generation") #t #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'switch-generation arg result)
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#f)))
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(option '("search-paths") #f #t
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(lambda (opt name arg result arg-handler)
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(let ((kind (match arg
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((or "exact" "prefix" "suffix")
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(string->symbol arg))
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(#f
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'exact)
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(x
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(leave (_ "~a: unsupported \
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kind of search path~%")
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x)))))
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(values (cons `(query search-paths ,kind)
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result)
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#f))))
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(option '(#\p "profile") #t #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'profile (canonicalize-profile arg)
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result)
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#f)))
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(option '(#\n "dry-run") #f #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'dry-run? #t result)
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#f)))
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(option '("bootstrap") #f #f
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(lambda (opt name arg result arg-handler)
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(values (alist-cons 'bootstrap? #t result)
|
||
#f)))
|
||
(option '("verbose") #f #f
|
||
(lambda (opt name arg result arg-handler)
|
||
(values (alist-cons 'verbose? #t result)
|
||
#f)))
|
||
(option '(#\s "search") #t #f
|
||
(lambda (opt name arg result arg-handler)
|
||
(values (cons `(query search ,(or arg ""))
|
||
result)
|
||
#f)))
|
||
(option '(#\I "list-installed") #f #t
|
||
(lambda (opt name arg result arg-handler)
|
||
(values (cons `(query list-installed ,(or arg ""))
|
||
result)
|
||
#f)))
|
||
(option '(#\A "list-available") #f #t
|
||
(lambda (opt name arg result arg-handler)
|
||
(values (cons `(query list-available ,(or arg ""))
|
||
result)
|
||
#f)))
|
||
(option '("show") #t #t
|
||
(lambda (opt name arg result arg-handler)
|
||
(values (cons `(query show ,arg)
|
||
result)
|
||
#f)))
|
||
|
||
(append %transformation-options
|
||
%standard-build-options)))
|
||
|
||
(define (options->upgrade-predicate opts)
|
||
"Return a predicate based on the upgrade/do-not-upgrade regexps in OPTS
|
||
that, given a package name, returns true if the package is a candidate for
|
||
upgrading, #f otherwise."
|
||
(define upgrade-regexps
|
||
(filter-map (match-lambda
|
||
(('upgrade . regexp)
|
||
(make-regexp* (or regexp "")))
|
||
(_ #f))
|
||
opts))
|
||
|
||
(define do-not-upgrade-regexps
|
||
(filter-map (match-lambda
|
||
(('do-not-upgrade . regexp)
|
||
(make-regexp* regexp))
|
||
(_ #f))
|
||
opts))
|
||
|
||
(lambda (name)
|
||
(and (any (cut regexp-exec <> name) upgrade-regexps)
|
||
(not (any (cut regexp-exec <> name) do-not-upgrade-regexps)))))
|
||
|
||
(define (store-item->manifest-entry item)
|
||
"Return a manifest entry for ITEM, a \"/gnu/store/...\" file name."
|
||
(let-values (((name version)
|
||
(package-name->name+version (store-path-package-name item))))
|
||
(manifest-entry
|
||
(name name)
|
||
(version version)
|
||
(output #f)
|
||
(item item))))
|
||
|
||
(define (options->installable opts manifest)
|
||
"Given MANIFEST, the current manifest, and OPTS, the result of 'args-fold',
|
||
return the new list of manifest entries."
|
||
(define (package->manifest-entry* package output)
|
||
(check-package-freshness package)
|
||
(package->manifest-entry package output))
|
||
|
||
(define upgrade?
|
||
(options->upgrade-predicate opts))
|
||
|
||
(define to-upgrade
|
||
(filter-map (match-lambda
|
||
(($ <manifest-entry> name version output path _)
|
||
(and (upgrade? name)
|
||
(upgradeable? name version path)
|
||
(let ((output (or output "out")))
|
||
(call-with-values
|
||
(lambda ()
|
||
(specification->package+output name output))
|
||
package->manifest-entry*))))
|
||
(_ #f))
|
||
(manifest-entries manifest)))
|
||
|
||
(define to-install
|
||
(filter-map (match-lambda
|
||
(('install . (? package? p))
|
||
;; When given a package via `-e', install the first of its
|
||
;; outputs (XXX).
|
||
(package->manifest-entry* p "out"))
|
||
(('install . (? string? spec))
|
||
(if (store-path? spec)
|
||
(store-item->manifest-entry spec)
|
||
(let-values (((package output)
|
||
(specification->package+output spec)))
|
||
(package->manifest-entry* package output))))
|
||
(_ #f))
|
||
opts))
|
||
|
||
(append to-upgrade to-install))
|
||
|
||
(define (options->removable options manifest)
|
||
"Given options, return the list of manifest patterns of packages to be
|
||
removed from MANIFEST."
|
||
(filter-map (match-lambda
|
||
(('remove . spec)
|
||
(call-with-values
|
||
(lambda ()
|
||
(package-specification->name+version+output spec))
|
||
(lambda (name version output)
|
||
(manifest-pattern
|
||
(name name)
|
||
(version version)
|
||
(output output)))))
|
||
(_ #f))
|
||
options))
|
||
|
||
(define (register-gc-root store profile)
|
||
"Register PROFILE, a profile generation symlink, as a GC root, unless it
|
||
doesn't need it."
|
||
(define absolute
|
||
;; We must pass the daemon an absolute file name for PROFILE. However, we
|
||
;; cannot use (canonicalize-path profile) because that would return us the
|
||
;; target of PROFILE in the store; using a store item as an indirect root
|
||
;; would mean that said store item will always remain live, which is not
|
||
;; what we want here.
|
||
(if (string-prefix? "/" profile)
|
||
profile
|
||
(string-append (getcwd) "/" profile)))
|
||
|
||
(add-indirect-root store absolute))
|
||
|
||
|
||
;;;
|
||
;;; Queries and actions.
|
||
;;;
|
||
|
||
(define (process-query opts)
|
||
"Process any query specified by OPTS. Return #t when a query was actually
|
||
processed, #f otherwise."
|
||
(let* ((profiles (match (filter-map (match-lambda
|
||
(('profile . p) p)
|
||
(_ #f))
|
||
opts)
|
||
(() (list %current-profile))
|
||
(lst lst)))
|
||
(profile (match profiles
|
||
((head tail ...) head))))
|
||
(match (assoc-ref opts 'query)
|
||
(('list-generations pattern)
|
||
(define (list-generation number)
|
||
(unless (zero? number)
|
||
(display-generation profile number)
|
||
(display-profile-content profile number)
|
||
(newline)))
|
||
|
||
(cond ((not (file-exists? profile)) ; XXX: race condition
|
||
(raise (condition (&profile-not-found-error
|
||
(profile profile)))))
|
||
((string-null? pattern)
|
||
(for-each list-generation (profile-generations profile)))
|
||
((matching-generations pattern profile)
|
||
=>
|
||
(lambda (numbers)
|
||
(if (null-list? numbers)
|
||
(exit 1)
|
||
(leave-on-EPIPE
|
||
(for-each list-generation numbers)))))
|
||
(else
|
||
(leave (_ "invalid syntax: ~a~%")
|
||
pattern)))
|
||
#t)
|
||
|
||
(('list-installed regexp)
|
||
(let* ((regexp (and regexp (make-regexp* regexp)))
|
||
(manifest (profile-manifest profile))
|
||
(installed (manifest-entries manifest)))
|
||
(leave-on-EPIPE
|
||
(for-each (match-lambda
|
||
(($ <manifest-entry> name version output path _)
|
||
(when (or (not regexp)
|
||
(regexp-exec regexp name))
|
||
(format #t "~a\t~a\t~a\t~a~%"
|
||
name (or version "?") output path))))
|
||
|
||
;; Show most recently installed packages last.
|
||
(reverse installed)))
|
||
#t))
|
||
|
||
(('list-available regexp)
|
||
(let* ((regexp (and regexp (make-regexp* regexp)))
|
||
(available (fold-packages
|
||
(lambda (p r)
|
||
(let ((n (package-name p)))
|
||
(if (supported-package? p)
|
||
(if regexp
|
||
(if (regexp-exec regexp n)
|
||
(cons p r)
|
||
r)
|
||
(cons p r))
|
||
r)))
|
||
'())))
|
||
(leave-on-EPIPE
|
||
(for-each (lambda (p)
|
||
(format #t "~a\t~a\t~a\t~a~%"
|
||
(package-name p)
|
||
(package-version p)
|
||
(string-join (package-outputs p) ",")
|
||
(location->string (package-location p))))
|
||
(sort available
|
||
(lambda (p1 p2)
|
||
(string<? (package-name p1)
|
||
(package-name p2))))))
|
||
#t))
|
||
|
||
(('search _)
|
||
(let* ((patterns (filter-map (match-lambda
|
||
(('query 'search rx) rx)
|
||
(_ #f))
|
||
opts))
|
||
(regexps (map (cut make-regexp* <> regexp/icase) patterns)))
|
||
(leave-on-EPIPE
|
||
(for-each (cute package->recutils <> (current-output-port))
|
||
(find-packages-by-description regexps)))
|
||
#t))
|
||
|
||
(('show requested-name)
|
||
(let-values (((name version)
|
||
(package-name->name+version requested-name)))
|
||
(leave-on-EPIPE
|
||
(for-each (cute package->recutils <> (current-output-port))
|
||
(find-packages-by-name name version)))
|
||
#t))
|
||
|
||
(('search-paths kind)
|
||
(let* ((manifests (map profile-manifest profiles))
|
||
(entries (append-map manifest-entries manifests))
|
||
(profiles (map user-friendly-profile profiles))
|
||
(settings (search-path-environment-variables entries profiles
|
||
(const #f)
|
||
#:kind kind)))
|
||
(format #t "~{~a~%~}" settings)
|
||
#t))
|
||
|
||
(_ #f))))
|
||
|
||
|
||
(define* (roll-back-action store profile arg opts
|
||
#:key dry-run?)
|
||
"Roll back PROFILE to its previous generation."
|
||
(unless dry-run?
|
||
(roll-back* store profile)))
|
||
|
||
(define* (switch-generation-action store profile spec opts
|
||
#:key dry-run?)
|
||
"Switch PROFILE to the generation specified by SPEC."
|
||
(unless dry-run?
|
||
(let* ((number (string->number spec))
|
||
(number (and number
|
||
(case (string-ref spec 0)
|
||
((#\+ #\-)
|
||
(relative-generation profile number))
|
||
(else number)))))
|
||
(if number
|
||
(switch-to-generation* profile number)
|
||
(leave (_ "cannot switch to generation '~a'~%") spec)))))
|
||
|
||
(define* (delete-generations-action store profile pattern opts
|
||
#:key dry-run?)
|
||
"Delete PROFILE's generations that match PATTERN."
|
||
(unless dry-run?
|
||
(delete-matching-generations store profile pattern)))
|
||
|
||
(define* (manifest-action store profile file opts
|
||
#:key dry-run?)
|
||
"Change PROFILE to contain the packages specified in FILE."
|
||
(let* ((user-module (make-user-module '((guix profiles) (gnu))))
|
||
(manifest (load* file user-module))
|
||
(bootstrap? (assoc-ref opts 'bootstrap?))
|
||
(substitutes? (assoc-ref opts 'substitutes?)))
|
||
(if dry-run?
|
||
(format #t (_ "would install new manifest from '~a' with ~d entries~%")
|
||
file (length (manifest-entries manifest)))
|
||
(format #t (_ "installing new manifest from '~a' with ~d entries~%")
|
||
file (length (manifest-entries manifest))))
|
||
(build-and-use-profile store profile manifest
|
||
#:bootstrap? bootstrap?
|
||
#:use-substitutes? substitutes?
|
||
#:dry-run? dry-run?)))
|
||
|
||
(define %actions
|
||
;; List of actions that may be processed. The car of each pair is the
|
||
;; action's symbol in the option list; the cdr is the action's procedure.
|
||
`((roll-back? . ,roll-back-action)
|
||
(switch-generation . ,switch-generation-action)
|
||
(delete-generations . ,delete-generations-action)
|
||
(manifest . ,manifest-action)))
|
||
|
||
(define (process-actions store opts)
|
||
"Process any install/remove/upgrade action from OPTS."
|
||
|
||
(define dry-run? (assoc-ref opts 'dry-run?))
|
||
(define bootstrap? (assoc-ref opts 'bootstrap?))
|
||
(define substitutes? (assoc-ref opts 'substitutes?))
|
||
(define profile (or (assoc-ref opts 'profile) %current-profile))
|
||
(define transform (options->transformation opts))
|
||
|
||
(define (transform-entry entry)
|
||
(manifest-entry
|
||
(inherit entry)
|
||
(item (transform store (manifest-entry-item entry)))))
|
||
|
||
;; First, process roll-backs, generation removals, etc.
|
||
(for-each (match-lambda
|
||
((key . arg)
|
||
(and=> (assoc-ref %actions key)
|
||
(lambda (proc)
|
||
(proc store profile arg opts
|
||
#:dry-run? dry-run?)))))
|
||
opts)
|
||
|
||
;; Then, process normal package installation/removal/upgrade.
|
||
(let* ((manifest (profile-manifest profile))
|
||
(install (options->installable opts manifest))
|
||
(remove (options->removable opts manifest))
|
||
(transaction (manifest-transaction
|
||
(install (map transform-entry install))
|
||
(remove remove)))
|
||
(new (manifest-perform-transaction manifest transaction)))
|
||
|
||
(unless (and (null? install) (null? remove))
|
||
(show-manifest-transaction store manifest transaction
|
||
#:dry-run? dry-run?)
|
||
(build-and-use-profile store profile new
|
||
#:bootstrap? bootstrap?
|
||
#:use-substitutes? substitutes?
|
||
#:dry-run? dry-run?))))
|
||
|
||
|
||
;;;
|
||
;;; Entry point.
|
||
;;;
|
||
|
||
(define (guix-package . args)
|
||
(define (handle-argument arg result arg-handler)
|
||
;; Process non-option argument ARG by calling back ARG-HANDLER.
|
||
(if arg-handler
|
||
(arg-handler arg result)
|
||
(leave (_ "~A: extraneous argument~%") arg)))
|
||
|
||
(let ((opts (parse-command-line args %options (list %default-options #f)
|
||
#:argument-handler handle-argument)))
|
||
(with-error-handling
|
||
(or (process-query opts)
|
||
(parameterize ((%store (open-connection)))
|
||
(set-build-options-from-command-line (%store) opts)
|
||
|
||
(parameterize ((%guile-for-build
|
||
(package-derivation
|
||
(%store)
|
||
(if (assoc-ref opts 'bootstrap?)
|
||
%bootstrap-guile
|
||
(canonical-package guile-2.0)))))
|
||
(process-actions (%store) opts)))))))
|