1056 lines
43 KiB
Scheme
1056 lines
43 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
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;;; Copyright © 2013 Mark H Weaver <mhw@netris.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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(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 utils)
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#:use-module (guix config)
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#:use-module ((guix build utils) #:select (directory-exists? mkdir-p))
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#:use-module ((guix ftp-client) #:select (ftp-open))
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#:use-module (ice-9 ftw)
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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 regex)
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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-19)
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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-37)
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#:use-module (gnu packages)
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#:use-module ((gnu packages base) #:select (guile-final))
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#:use-module ((gnu packages bootstrap) #:select (%bootstrap-guile))
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#:use-module (guix gnu-maintenance)
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#:export (guix-package))
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(define %store
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(make-parameter #f))
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;;;
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;;; User environment.
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;;;
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(define %user-environment-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 (or (getenv "NIX_STATE_DIR") %state-directory) "/profiles/"
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(or (and=> (getenv "USER")
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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 (profile-manifest profile)
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"Return the PROFILE's manifest."
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(let ((manifest (string-append profile "/manifest")))
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(if (file-exists? manifest)
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(call-with-input-file manifest read)
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'(manifest (version 1) (packages ())))))
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(define (manifest-packages manifest)
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"Return the packages listed in MANIFEST."
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(match manifest
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(('manifest ('version 0)
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('packages ((name version output path) ...)))
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(zip name version output path
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(make-list (length name) '())))
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;; Version 1 adds a list of propagated inputs to the
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;; name/version/output/path tuples.
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(('manifest ('version 1)
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('packages (packages ...)))
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packages)
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(_
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(error "unsupported manifest format" manifest))))
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(define (profile-regexp profile)
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"Return a regular expression that matches PROFILE's name and number."
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(make-regexp (string-append "^" (regexp-quote (basename profile))
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"-([0-9]+)")))
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(define (generation-numbers profile)
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"Return the list of generation numbers of PROFILE, or '(0) if no
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former profiles were found."
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(define* (scandir name #:optional (select? (const #t))
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(entry<? (@ (ice-9 i18n) string-locale<?)))
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;; XXX: Bug-fix version introduced in Guile v2.0.6-62-g139ce19.
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(define (enter? dir stat result)
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(and stat (string=? dir name)))
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(define (visit basename result)
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(if (select? basename)
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(cons basename result)
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result))
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(define (leaf name stat result)
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(and result
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(visit (basename name) result)))
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(define (down name stat result)
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(visit "." '()))
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(define (up name stat result)
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(visit ".." result))
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(define (skip name stat result)
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;; All the sub-directories are skipped.
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(visit (basename name) result))
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(define (error name* stat errno result)
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(if (string=? name name*) ; top-level NAME is unreadable
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result
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(visit (basename name*) result)))
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(and=> (file-system-fold enter? leaf down up skip error #f name lstat)
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(lambda (files)
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(sort files entry<?))))
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(match (scandir (dirname profile)
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(cute regexp-exec (profile-regexp profile) <>))
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(#f ; no profile directory
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'(0))
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(() ; no profiles
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'(0))
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((profiles ...) ; former profiles around
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(map (compose string->number
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(cut match:substring <> 1)
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(cute regexp-exec (profile-regexp profile) <>))
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profiles))))
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(define (previous-generation-number profile number)
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"Return the number of the generation before generation NUMBER of
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PROFILE, or 0 if none exists. It could be NUMBER - 1, but it's not the
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case when generations have been deleted (there are \"holes\")."
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(fold (lambda (candidate highest)
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(if (and (< candidate number) (> candidate highest))
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candidate
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highest))
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0
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(generation-numbers profile)))
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(define (profile-derivation store packages)
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"Return a derivation that builds a profile (a user environment) with
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all of PACKAGES, a list of name/version/output/path/deps tuples."
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(define packages*
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;; Turn any package object in PACKAGES into its output path.
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(map (match-lambda
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((name version output path (deps ...))
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`(,name ,version ,output ,path
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,(map input->name+path deps))))
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packages))
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(define builder
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`(begin
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(use-modules (ice-9 pretty-print)
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(guix build union))
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(setvbuf (current-output-port) _IOLBF)
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(setvbuf (current-error-port) _IOLBF)
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(let ((output (assoc-ref %outputs "out"))
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(inputs (map cdr %build-inputs)))
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(format #t "building user environment `~a' with ~a packages...~%"
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output (length inputs))
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(union-build output inputs)
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(call-with-output-file (string-append output "/manifest")
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(lambda (p)
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(pretty-print '(manifest (version 1)
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(packages ,packages*))
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p))))))
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(define ensure-valid-input
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;; If a package object appears in the given input, turn it into a
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;; derivation path.
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(match-lambda
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((name (? package? p) sub-drv ...)
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`(,name ,(package-derivation (%store) p) ,@sub-drv))
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(input
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input)))
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(build-expression->derivation store "user-environment"
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(%current-system)
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builder
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(append-map (match-lambda
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((name version output path deps)
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`((,name ,path)
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,@(map ensure-valid-input
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deps))))
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packages)
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#:modules '((guix build union))))
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(define (generation-number profile)
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"Return PROFILE's number or 0. An absolute file name must be used."
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(or (and=> (false-if-exception (regexp-exec (profile-regexp profile)
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(basename (readlink profile))))
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(compose string->number (cut match:substring <> 1)))
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0))
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(define (roll-back profile)
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"Roll back to the previous generation of PROFILE."
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(let* ((number (generation-number profile))
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(previous-number (previous-generation-number profile number))
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(previous-generation (format #f "~a-~a-link"
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profile previous-number))
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(manifest (string-append previous-generation "/manifest")))
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(define (switch-link)
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;; Atomically switch PROFILE to the previous generation.
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(format #t (_ "switching from generation ~a to ~a~%")
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number previous-number)
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(switch-symlinks profile previous-generation))
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(cond ((not (file-exists? profile)) ; invalid profile
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(leave (_ "profile `~a' does not exist~%")
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profile))
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((zero? number) ; empty profile
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(format (current-error-port)
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(_ "nothing to do: already at the empty profile~%")))
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((or (zero? previous-number) ; going to emptiness
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(not (file-exists? previous-generation)))
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(let* ((drv (profile-derivation (%store) '()))
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(prof (derivation->output-path drv "out")))
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(when (not (build-derivations (%store) (list drv)))
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(leave (_ "failed to build the empty profile~%")))
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(switch-symlinks previous-generation prof)
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(switch-link)))
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(else (switch-link))))) ; anything else
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(define (generation-time profile number)
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"Return the creation time of a generation in the UTC format."
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(make-time time-utc 0
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(stat:ctime (stat (format #f "~a-~a-link" profile number)))))
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(define* (matching-generations str #:optional (profile %current-profile))
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"Return the list of available generations matching a pattern in STR. See
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'string->generations' and 'string->duration' for the list of valid patterns."
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(define (valid-generations lst)
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(define (valid-generation? n)
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(any (cut = n <>) (generation-numbers profile)))
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(fold-right (lambda (x acc)
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(if (valid-generation? x)
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(cons x acc)
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acc))
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'()
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lst))
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(define (filter-generations generations)
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(match generations
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(() '())
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(('>= n)
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(drop-while (cut > n <>)
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(generation-numbers profile)))
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(('<= n)
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(valid-generations (iota n 1)))
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((lst ..1)
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(valid-generations lst))
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(_ #f)))
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(define (filter-by-duration duration)
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(define (time-at-midnight time)
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;; Return TIME at midnight by setting nanoseconds, seconds, minutes, and
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;; hours to zeros.
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(let ((d (time-utc->date time)))
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(date->time-utc
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(make-date 0 0 0 0
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(date-day d) (date-month d)
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(date-year d) (date-zone-offset d)))))
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(define generation-ctime-alist
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(map (lambda (number)
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(cons number
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(time-second
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(time-at-midnight
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(generation-time profile number)))))
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(generation-numbers profile)))
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(match duration
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(#f #f)
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(res
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(let ((s (time-second
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(subtract-duration (time-at-midnight (current-time))
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duration))))
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(delete #f (map (lambda (x)
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(and (<= s (cdr x))
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(first x)))
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generation-ctime-alist))))))
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(cond ((string->generations str)
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=>
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filter-generations)
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((string->duration str)
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=>
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filter-by-duration)
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(else #f)))
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(define (find-packages-by-description rx)
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"Search in SYNOPSIS and DESCRIPTION using RX. Return a list of
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matching packages."
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(define (same-location? p1 p2)
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;; Compare locations of two packages.
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(equal? (package-location p1) (package-location p2)))
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(delete-duplicates
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(sort
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(fold-packages (lambda (package result)
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(define matches?
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(cut regexp-exec rx <>))
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(if (or (and=> (package-synopsis package)
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(compose matches? gettext))
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(and=> (package-description package)
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(compose matches? gettext)))
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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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(string<? (package-name p1)
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(package-name p2))))
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same-location?))
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(define (input->name+path input)
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"Convert the name/package/sub-drv tuple INPUT to a name/store-path tuple."
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(let loop ((input input))
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(match input
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((name (? package? package))
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(loop `(,name ,package "out")))
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((name (? package? package) sub-drv)
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`(,name ,(package-output (%store) package sub-drv)))
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(_
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input))))
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(define %sigint-prompt
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;; The prompt to jump to upon SIGINT.
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(make-prompt-tag "interruptible"))
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(define (call-with-sigint-handler thunk handler)
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"Call THUNK and return its value. Upon SIGINT, call HANDLER with the signal
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number in the context of the continuation of the call to this function, and
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return its return value."
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(call-with-prompt %sigint-prompt
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(lambda ()
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(sigaction SIGINT
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(lambda (signum)
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(sigaction SIGINT SIG_DFL)
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(abort-to-prompt %sigint-prompt signum)))
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(dynamic-wind
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(const #t)
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thunk
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(cut sigaction SIGINT SIG_DFL)))
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(lambda (k signum)
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(handler signum))))
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(define-syntax-rule (waiting exp fmt rest ...)
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"Display the given message while EXP is being evaluated."
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(let* ((message (format #f fmt rest ...))
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(blank (make-string (string-length message) #\space)))
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(display message (current-error-port))
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(force-output (current-error-port))
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(call-with-sigint-handler
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(lambda ()
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(dynamic-wind
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(const #f)
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(lambda () exp)
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(lambda ()
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;; Clear the line.
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(display #\cr (current-error-port))
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(display blank (current-error-port))
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(display #\cr (current-error-port))
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(force-output (current-error-port)))))
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(lambda (signum)
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(format (current-error-port) " interrupted by signal ~a~%" SIGINT)
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#f))))
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|
||
(define ftp-open*
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||
;; Memoizing version of `ftp-open'. The goal is to avoid initiating a new
|
||
;; FTP connection for each package, esp. since most of them are to the same
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;; server. This has a noticeable impact when doing "guix upgrade -u".
|
||
(memoize ftp-open))
|
||
|
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(define (check-package-freshness package)
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"Check whether PACKAGE has a newer version available upstream, and report
|
||
it."
|
||
;; TODO: Automatically inject the upstream version when desired.
|
||
|
||
(catch #t
|
||
(lambda ()
|
||
(when (false-if-exception (gnu-package? package))
|
||
(let ((name (package-name package))
|
||
(full-name (package-full-name package)))
|
||
(match (waiting (latest-release name
|
||
#:ftp-open ftp-open*
|
||
#:ftp-close (const #f))
|
||
(_ "looking for the latest release of GNU ~a...") name)
|
||
((latest-version . _)
|
||
(when (version>? latest-version full-name)
|
||
(format (current-error-port)
|
||
(_ "~a: note: using ~a \
|
||
but ~a is available upstream~%")
|
||
(location->string (package-location package))
|
||
full-name latest-version)))
|
||
(_ #t)))))
|
||
(lambda (key . args)
|
||
;; Silently ignore networking errors rather than preventing
|
||
;; installation.
|
||
(case key
|
||
((getaddrinfo-error ftp-error) #f)
|
||
(else (apply throw key args))))))
|
||
|
||
(define* (search-path-environment-variables packages profile
|
||
#:optional (getenv getenv))
|
||
"Return environment variable definitions that may be needed for the use of
|
||
PACKAGES in PROFILE. Use GETENV to determine the current settings and report
|
||
only settings not already effective."
|
||
|
||
;; Prefer ~/.guix-profile to the real profile directory name.
|
||
(let ((profile (if (and %user-environment-directory
|
||
(false-if-exception
|
||
(string=? (readlink %user-environment-directory)
|
||
profile)))
|
||
%user-environment-directory
|
||
profile)))
|
||
|
||
;; The search path info is not stored in the manifest. Thus, we infer the
|
||
;; search paths from same-named packages found in the distro.
|
||
|
||
(define package-in-manifest->package
|
||
(match-lambda
|
||
((name version _ ...)
|
||
(match (append (find-packages-by-name name version)
|
||
(find-packages-by-name name))
|
||
((p _ ...) p)
|
||
(_ #f)))))
|
||
|
||
(define search-path-definition
|
||
(match-lambda
|
||
(($ <search-path-specification> variable directories separator)
|
||
(let ((values (or (and=> (getenv variable)
|
||
(cut string-tokenize* <> separator))
|
||
'()))
|
||
(directories (filter file-exists?
|
||
(map (cut string-append profile
|
||
"/" <>)
|
||
directories))))
|
||
(if (every (cut member <> values) directories)
|
||
#f
|
||
(format #f "export ~a=\"~a\""
|
||
variable
|
||
(string-join directories separator)))))))
|
||
|
||
(let* ((packages (filter-map package-in-manifest->package packages))
|
||
(search-paths (delete-duplicates
|
||
(append-map package-native-search-paths
|
||
packages))))
|
||
(filter-map search-path-definition search-paths))))
|
||
|
||
(define (display-search-paths packages profile)
|
||
"Display the search path environment variables that may need to be set for
|
||
PACKAGES, in the context of PROFILE."
|
||
(let ((settings (search-path-environment-variables packages profile)))
|
||
(unless (null? settings)
|
||
(format #t (_ "The following environment variable definitions may be needed:~%"))
|
||
(format #t "~{ ~a~%~}" settings))))
|
||
|
||
|
||
;;;
|
||
;;; Command-line options.
|
||
;;;
|
||
|
||
(define %default-options
|
||
;; Alist of default option values.
|
||
`((profile . ,%current-profile)
|
||
(max-silent-time . 3600)
|
||
(substitutes? . #t)))
|
||
|
||
(define (show-help)
|
||
(display (_ "Usage: guix package [OPTION]... PACKAGES...
|
||
Install, remove, or upgrade PACKAGES in a single transaction.\n"))
|
||
(display (_ "
|
||
-i, --install=PACKAGE install PACKAGE"))
|
||
(display (_ "
|
||
-e, --install-from-expression=EXP
|
||
install the package EXP evaluates to"))
|
||
(display (_ "
|
||
-r, --remove=PACKAGE remove PACKAGE"))
|
||
(display (_ "
|
||
-u, --upgrade[=REGEXP] upgrade all the installed packages matching REGEXP"))
|
||
(display (_ "
|
||
--roll-back roll back to the previous generation"))
|
||
(display (_ "
|
||
--search-paths display needed environment variable definitions"))
|
||
(display (_ "
|
||
-l, --list-generations[=PATTERN]
|
||
list generations matching PATTERN"))
|
||
(newline)
|
||
(display (_ "
|
||
-p, --profile=PROFILE use PROFILE instead of the user's default profile"))
|
||
(display (_ "
|
||
-n, --dry-run show what would be done without actually doing it"))
|
||
(display (_ "
|
||
--fallback fall back to building when the substituter fails"))
|
||
(display (_ "
|
||
--no-substitutes build instead of resorting to pre-built substitutes"))
|
||
(display (_ "
|
||
--max-silent-time=SECONDS
|
||
mark the build as failed after SECONDS of silence"))
|
||
(display (_ "
|
||
--bootstrap use the bootstrap Guile to build the profile"))
|
||
(display (_ "
|
||
--verbose produce verbose output"))
|
||
(newline)
|
||
(display (_ "
|
||
-s, --search=REGEXP search in synopsis and description using REGEXP"))
|
||
(display (_ "
|
||
-I, --list-installed[=REGEXP]
|
||
list installed packages matching REGEXP"))
|
||
(display (_ "
|
||
-A, --list-available[=REGEXP]
|
||
list available packages matching REGEXP"))
|
||
(newline)
|
||
(display (_ "
|
||
-h, --help display this help and exit"))
|
||
(display (_ "
|
||
-V, --version display version information and exit"))
|
||
(newline)
|
||
(show-bug-report-information))
|
||
|
||
(define %options
|
||
;; Specification of the command-line options.
|
||
(list (option '(#\h "help") #f #f
|
||
(lambda args
|
||
(show-help)
|
||
(exit 0)))
|
||
(option '(#\V "version") #f #f
|
||
(lambda args
|
||
(show-version-and-exit "guix package")))
|
||
|
||
(option '(#\i "install") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'install arg result)))
|
||
(option '(#\e "install-from-expression") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'install (read/eval-package-expression arg)
|
||
result)))
|
||
(option '(#\r "remove") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'remove arg result)))
|
||
(option '(#\u "upgrade") #f #t
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'upgrade arg result)))
|
||
(option '("roll-back") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'roll-back? #t result)))
|
||
(option '(#\l "list-generations") #f #t
|
||
(lambda (opt name arg result)
|
||
(cons `(query list-generations ,(or arg ""))
|
||
result)))
|
||
(option '("search-paths") #f #f
|
||
(lambda (opt name arg result)
|
||
(cons `(query search-paths) result)))
|
||
(option '(#\p "profile") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'profile arg
|
||
(alist-delete 'profile result))))
|
||
(option '(#\n "dry-run") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'dry-run? #t result)))
|
||
(option '("fallback") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'fallback? #t
|
||
(alist-delete 'fallback? result))))
|
||
(option '("no-substitutes") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'substitutes? #f
|
||
(alist-delete 'substitutes? result))))
|
||
(option '("max-silent-time") #t #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'max-silent-time (string->number* arg)
|
||
result)))
|
||
(option '("bootstrap") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'bootstrap? #t result)))
|
||
(option '("verbose") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'verbose? #t result)))
|
||
(option '(#\s "search") #t #f
|
||
(lambda (opt name arg result)
|
||
(cons `(query search ,(or arg ""))
|
||
result)))
|
||
(option '(#\I "list-installed") #f #t
|
||
(lambda (opt name arg result)
|
||
(cons `(query list-installed ,(or arg ""))
|
||
result)))
|
||
(option '(#\A "list-available") #f #t
|
||
(lambda (opt name arg result)
|
||
(cons `(query list-available ,(or arg ""))
|
||
result)))))
|
||
|
||
|
||
;;;
|
||
;;; Entry point.
|
||
;;;
|
||
|
||
(define (guix-package . args)
|
||
(define (parse-options)
|
||
;; Return the alist of option values.
|
||
(args-fold* args %options
|
||
(lambda (opt name arg result)
|
||
(leave (_ "~A: unrecognized option~%") name))
|
||
(lambda (arg result)
|
||
(leave (_ "~A: extraneous argument~%") arg))
|
||
%default-options))
|
||
|
||
(define (guile-missing?)
|
||
;; Return #t if %GUILE-FOR-BUILD is not available yet.
|
||
(let ((out (derivation->output-path (%guile-for-build))))
|
||
(not (valid-path? (%store) out))))
|
||
|
||
(define newest-available-packages
|
||
(memoize find-newest-available-packages))
|
||
|
||
(define (find-best-packages-by-name name version)
|
||
(if version
|
||
(find-packages-by-name name version)
|
||
(match (vhash-assoc name (newest-available-packages))
|
||
((_ version pkgs ...) pkgs)
|
||
(#f '()))))
|
||
|
||
(define* (find-package name #:optional (output "out"))
|
||
;; Find the package NAME; NAME may contain a version number and a
|
||
;; sub-derivation name. If the version number is not present,
|
||
;; return the preferred newest version. If the sub-derivation name is not
|
||
;; present, use OUTPUT.
|
||
(define request name)
|
||
|
||
(define (ensure-output p sub-drv)
|
||
(if (member sub-drv (package-outputs p))
|
||
p
|
||
(leave (_ "package `~a' lacks output `~a'~%")
|
||
(package-full-name p)
|
||
sub-drv)))
|
||
|
||
(let*-values (((name sub-drv)
|
||
(match (string-rindex name #\:)
|
||
(#f (values name output))
|
||
(colon (values (substring name 0 colon)
|
||
(substring name (+ 1 colon))))))
|
||
((name version)
|
||
(package-name->name+version name)))
|
||
(match (find-best-packages-by-name name version)
|
||
((p)
|
||
(list name (package-version p) sub-drv (ensure-output p sub-drv)
|
||
(package-transitive-propagated-inputs p)))
|
||
((p p* ...)
|
||
(warning (_ "ambiguous package specification `~a'~%")
|
||
request)
|
||
(warning (_ "choosing ~a from ~a~%")
|
||
(package-full-name p)
|
||
(location->string (package-location p)))
|
||
(list name (package-version p) sub-drv (ensure-output p sub-drv)
|
||
(package-transitive-propagated-inputs p)))
|
||
(()
|
||
(leave (_ "~a: package not found~%") request)))))
|
||
|
||
(define (upgradeable? name current-version current-path)
|
||
;; Return #t if there's a version of package NAME newer than
|
||
;; CURRENT-VERSION, or if the newest available version is equal to
|
||
;; CURRENT-VERSION but would have an output path different than
|
||
;; CURRENT-PATH.
|
||
(match (vhash-assoc name (newest-available-packages))
|
||
((_ candidate-version pkg . rest)
|
||
(case (version-compare candidate-version current-version)
|
||
((>) #t)
|
||
((<) #f)
|
||
((=) (let ((candidate-path (derivation->output-path
|
||
(package-derivation (%store) pkg))))
|
||
(not (string=? current-path candidate-path))))))
|
||
(#f #f)))
|
||
|
||
(define (ensure-default-profile)
|
||
;; Ensure the default profile symlink and directory exist and are
|
||
;; writable.
|
||
|
||
(define (rtfm)
|
||
(format (current-error-port)
|
||
(_ "Try \"info '(guix) Invoking guix package'\" for \
|
||
more information.~%"))
|
||
(exit 1))
|
||
|
||
;; Create ~/.guix-profile if it doesn't exist yet.
|
||
(when (and %user-environment-directory
|
||
%current-profile
|
||
(not (false-if-exception
|
||
(lstat %user-environment-directory))))
|
||
(symlink %current-profile %user-environment-directory))
|
||
|
||
(let ((s (stat %profile-directory #f)))
|
||
;; Attempt to create /…/profiles/per-user/$USER if needed.
|
||
(unless (and s (eq? 'directory (stat:type s)))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(mkdir-p %profile-directory))
|
||
(lambda args
|
||
;; Often, we cannot create %PROFILE-DIRECTORY because its
|
||
;; parent directory is root-owned and we're running
|
||
;; unprivileged.
|
||
(format (current-error-port)
|
||
(_ "error: while creating directory `~a': ~a~%")
|
||
%profile-directory
|
||
(strerror (system-error-errno args)))
|
||
(format (current-error-port)
|
||
(_ "Please create the `~a' directory, with you as the owner.~%")
|
||
%profile-directory)
|
||
(rtfm))))
|
||
|
||
;; Bail out if it's not owned by the user.
|
||
(unless (or (not s) (= (stat:uid s) (getuid)))
|
||
(format (current-error-port)
|
||
(_ "error: directory `~a' is not owned by you~%")
|
||
%profile-directory)
|
||
(format (current-error-port)
|
||
(_ "Please change the owner of `~a' to user ~s.~%")
|
||
%profile-directory (or (getenv "USER") (getuid)))
|
||
(rtfm))))
|
||
|
||
(define (process-actions opts)
|
||
;; Process any install/remove/upgrade action from OPTS.
|
||
|
||
(define dry-run? (assoc-ref opts 'dry-run?))
|
||
(define verbose? (assoc-ref opts 'verbose?))
|
||
(define profile (assoc-ref opts 'profile))
|
||
|
||
(define (canonicalize-deps deps)
|
||
;; Remove duplicate entries from DEPS, a list of propagated inputs,
|
||
;; where each input is a name/path tuple.
|
||
(define (same? d1 d2)
|
||
(match d1
|
||
((_ p1)
|
||
(match d2
|
||
((_ p2) (eq? p1 p2))
|
||
(_ #f)))
|
||
((_ p1 out1)
|
||
(match d2
|
||
((_ p2 out2)
|
||
(and (string=? out1 out2)
|
||
(eq? p1 p2)))
|
||
(_ #f)))))
|
||
|
||
(delete-duplicates deps same?))
|
||
|
||
(define (same-package? tuple name out)
|
||
(match tuple
|
||
((tuple-name _ tuple-output _ ...)
|
||
(and (equal? name tuple-name)
|
||
(equal? out tuple-output)))))
|
||
|
||
(define (package->tuple p)
|
||
;; Convert package P to a tuple.
|
||
;; When given a package via `-e', install the first of its
|
||
;; outputs (XXX).
|
||
(let* ((out (car (package-outputs p)))
|
||
(path (package-output (%store) p out))
|
||
(deps (package-transitive-propagated-inputs p)))
|
||
`(,(package-name p)
|
||
,(package-version p)
|
||
,out
|
||
,p
|
||
,(canonicalize-deps deps))))
|
||
|
||
(define (show-what-to-remove/install remove install dry-run?)
|
||
;; Tell the user what's going to happen in high-level terms.
|
||
;; TODO: Report upgrades more clearly.
|
||
(match remove
|
||
(((name version _ path _) ..1)
|
||
(let ((len (length name))
|
||
(remove (map (cut format #f " ~a-~a\t~a" <> <> <>)
|
||
name version path)))
|
||
(if dry-run?
|
||
(format (current-error-port)
|
||
(N_ "The following package would be removed:~% ~{~a~%~}~%"
|
||
"The following packages would be removed:~% ~{~a~%~}~%"
|
||
len)
|
||
remove)
|
||
(format (current-error-port)
|
||
(N_ "The following package will be removed:~% ~{~a~%~}~%"
|
||
"The following packages will be removed:~% ~{~a~%~}~%"
|
||
len)
|
||
remove))))
|
||
(_ #f))
|
||
(match install
|
||
(((name version output path _) ..1)
|
||
(let ((len (length name))
|
||
(install (map (cut format #f " ~a-~a\t~a\t~a" <> <> <> <>)
|
||
name version output path)))
|
||
(if dry-run?
|
||
(format (current-error-port)
|
||
(N_ "The following package would be installed:~%~{~a~%~}~%"
|
||
"The following packages would be installed:~%~{~a~%~}~%"
|
||
len)
|
||
install)
|
||
(format (current-error-port)
|
||
(N_ "The following package will be installed:~%~{~a~%~}~%"
|
||
"The following packages will be installed:~%~{~a~%~}~%"
|
||
len)
|
||
install))))
|
||
(_ #f)))
|
||
|
||
;; First roll back if asked to.
|
||
(if (and (assoc-ref opts 'roll-back?) (not dry-run?))
|
||
(begin
|
||
(roll-back profile)
|
||
(process-actions (alist-delete 'roll-back? opts)))
|
||
(let* ((installed (manifest-packages (profile-manifest profile)))
|
||
(upgrade-regexps (filter-map (match-lambda
|
||
(('upgrade . regexp)
|
||
(make-regexp (or regexp "")))
|
||
(_ #f))
|
||
opts))
|
||
(upgrade (if (null? upgrade-regexps)
|
||
'()
|
||
(let ((newest (find-newest-available-packages)))
|
||
(filter-map (match-lambda
|
||
((name version output path _)
|
||
(and (any (cut regexp-exec <> name)
|
||
upgrade-regexps)
|
||
(upgradeable? name version path)
|
||
(find-package name
|
||
(or output "out"))))
|
||
(_ #f))
|
||
installed))))
|
||
(install (append
|
||
upgrade
|
||
(filter-map (match-lambda
|
||
(('install . (? package? p))
|
||
(package->tuple p))
|
||
(('install . (? store-path?))
|
||
#f)
|
||
(('install . package)
|
||
(find-package package))
|
||
(_ #f))
|
||
opts)))
|
||
(drv (filter-map (match-lambda
|
||
((name version sub-drv
|
||
(? package? package)
|
||
(deps ...))
|
||
(check-package-freshness package)
|
||
(package-derivation (%store) package))
|
||
(_ #f))
|
||
install))
|
||
(install* (append
|
||
(filter-map (match-lambda
|
||
(('install . (? package? p))
|
||
#f)
|
||
(('install . (? store-path? path))
|
||
(let-values (((name version)
|
||
(package-name->name+version
|
||
(store-path-package-name
|
||
path))))
|
||
`(,name ,version #f ,path ())))
|
||
(_ #f))
|
||
opts)
|
||
(map (lambda (tuple drv)
|
||
(match tuple
|
||
((name version sub-drv _ (deps ...))
|
||
(let ((output-path
|
||
(derivation->output-path
|
||
drv sub-drv)))
|
||
`(,name ,version ,sub-drv ,output-path
|
||
,(canonicalize-deps deps))))))
|
||
install drv)))
|
||
(remove (filter-map (match-lambda
|
||
(('remove . package)
|
||
package)
|
||
(_ #f))
|
||
opts))
|
||
(remove* (filter-map (cut assoc <> installed) remove))
|
||
(packages (append install*
|
||
(fold (lambda (package result)
|
||
(match package
|
||
((name _ out _ ...)
|
||
(filter (negate
|
||
(cut same-package? <>
|
||
name out))
|
||
result))))
|
||
(fold alist-delete installed remove)
|
||
install*))))
|
||
|
||
(when (equal? profile %current-profile)
|
||
(ensure-default-profile))
|
||
|
||
(show-what-to-remove/install remove* install* dry-run?)
|
||
(show-what-to-build (%store) drv
|
||
#:use-substitutes? (assoc-ref opts 'substitutes?)
|
||
#:dry-run? dry-run?)
|
||
|
||
(or dry-run?
|
||
(and (build-derivations (%store) drv)
|
||
(let* ((prof-drv (profile-derivation (%store) packages))
|
||
(prof (derivation->output-path prof-drv))
|
||
(old-drv (profile-derivation
|
||
(%store) (manifest-packages
|
||
(profile-manifest profile))))
|
||
(old-prof (derivation->output-path old-drv))
|
||
(number (generation-number profile))
|
||
|
||
;; Always use NUMBER + 1 for the new profile,
|
||
;; possibly overwriting a "previous future
|
||
;; generation".
|
||
(name (format #f "~a-~a-link"
|
||
profile (+ 1 number))))
|
||
(if (string=? old-prof prof)
|
||
(when (or (pair? install) (pair? remove))
|
||
(format (current-error-port)
|
||
(_ "nothing to be done~%")))
|
||
(and (parameterize ((current-build-output-port
|
||
;; Output something when Guile
|
||
;; needs to be built.
|
||
(if (or verbose? (guile-missing?))
|
||
(current-error-port)
|
||
(%make-void-port "w"))))
|
||
(build-derivations (%store) (list prof-drv)))
|
||
(let ((count (length packages)))
|
||
(switch-symlinks name prof)
|
||
(switch-symlinks profile name)
|
||
(format #t (N_ "~a package in profile~%"
|
||
"~a packages in profile~%"
|
||
count)
|
||
count)
|
||
(display-search-paths packages
|
||
profile))))))))))
|
||
|
||
(define (process-query opts)
|
||
;; Process any query specified by OPTS. Return #t when a query was
|
||
;; actually processed, #f otherwise.
|
||
(let ((profile (assoc-ref opts 'profile)))
|
||
(match (assoc-ref opts 'query)
|
||
(('list-generations pattern)
|
||
(define (list-generation number)
|
||
(begin
|
||
(format #t "Generation ~a\t~a~%" number
|
||
(date->string
|
||
(time-utc->date
|
||
(generation-time profile number))
|
||
"~b ~d ~Y ~T"))
|
||
(for-each (match-lambda
|
||
((name version output location _)
|
||
(format #t " ~a\t~a\t~a\t~a~%"
|
||
name version output location)))
|
||
(manifest-packages
|
||
(profile-manifest
|
||
(format #f "~a-~a-link" profile number))))
|
||
(newline)))
|
||
|
||
(cond ((not (file-exists? profile)) ; XXX: race condition
|
||
(leave (_ "profile '~a' does not exist~%")
|
||
profile))
|
||
((string-null? pattern)
|
||
(for-each list-generation
|
||
(generation-numbers profile)))
|
||
((matching-generations pattern profile)
|
||
=>
|
||
(cut for-each list-generation <>))
|
||
(else
|
||
(leave (_ "invalid syntax: ~a~%")
|
||
pattern)))
|
||
#t)
|
||
|
||
(('list-installed regexp)
|
||
(let* ((regexp (and regexp (make-regexp regexp)))
|
||
(manifest (profile-manifest profile))
|
||
(installed (manifest-packages manifest)))
|
||
(for-each (match-lambda
|
||
((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))))
|
||
installed)
|
||
#t))
|
||
|
||
(('list-available regexp)
|
||
(let* ((regexp (and regexp (make-regexp regexp)))
|
||
(available (fold-packages
|
||
(lambda (p r)
|
||
(let ((n (package-name p)))
|
||
(if regexp
|
||
(if (regexp-exec regexp n)
|
||
(cons p r)
|
||
r)
|
||
(cons p r))))
|
||
'())))
|
||
(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 regexp)
|
||
(let ((regexp (make-regexp regexp regexp/icase)))
|
||
(for-each (cute package->recutils <> (current-output-port))
|
||
(find-packages-by-description regexp))
|
||
#t))
|
||
|
||
(('search-paths)
|
||
(let* ((manifest (profile-manifest profile))
|
||
(packages (manifest-packages manifest))
|
||
(settings (search-path-environment-variables packages
|
||
profile
|
||
(const #f))))
|
||
(format #t "~{~a~%~}" settings)
|
||
#t))
|
||
|
||
(_ #f))))
|
||
|
||
(let ((opts (parse-options)))
|
||
(or (process-query opts)
|
||
(with-error-handling
|
||
(parameterize ((%store (open-connection)))
|
||
(set-build-options (%store)
|
||
#:fallback? (assoc-ref opts 'fallback?)
|
||
#:use-substitutes?
|
||
(assoc-ref opts 'substitutes?)
|
||
#:max-silent-time
|
||
(assoc-ref opts 'max-silent-time))
|
||
|
||
(parameterize ((%guile-for-build
|
||
(package-derivation (%store)
|
||
(if (assoc-ref opts 'bootstrap?)
|
||
%bootstrap-guile
|
||
guile-final))))
|
||
(process-actions opts)))))))
|