643 lines
26 KiB
Scheme
643 lines
26 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
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;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
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;;; Copyright © 2018 Konrad Hinsen <konrad.hinsen@fastmail.net>
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;;; Copyright © 2018 Chris Marusich <cmmarusich@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 pack)
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#:use-module (guix scripts)
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#:use-module (guix ui)
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#:use-module (guix gexp)
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#:use-module (guix utils)
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#:use-module (guix store)
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#:use-module (guix grafts)
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#:use-module (guix monads)
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#:use-module (guix modules)
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#:use-module (guix packages)
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#:use-module (guix profiles)
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#:use-module (guix derivations)
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#:use-module (guix search-paths)
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#:use-module (guix build-system gnu)
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#:use-module (guix scripts build)
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#:use-module (gnu packages)
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#:use-module (gnu packages bootstrap)
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#:use-module (gnu packages compression)
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#:use-module (gnu packages guile)
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#:use-module (gnu packages base)
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#:autoload (gnu packages package-management) (guix)
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#:autoload (gnu packages gnupg) (libgcrypt)
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#:autoload (gnu packages guile) (guile2.0-json guile-json)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-37)
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#:use-module (ice-9 match)
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#:export (compressor?
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lookup-compressor
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self-contained-tarball
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guix-pack))
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;; Type of a compression tool.
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(define-record-type <compressor>
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(compressor name extension command)
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compressor?
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(name compressor-name) ;string (e.g., "gzip")
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(extension compressor-extension) ;string (e.g., ".lz")
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(command compressor-command)) ;gexp (e.g., #~("/gnu/store/…/gzip" "-9n"))
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(define %compressors
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;; Available compression tools.
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(list (compressor "gzip" ".gz"
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#~(#+(file-append gzip "/bin/gzip") "-9n"))
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(compressor "lzip" ".lz"
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#~(#+(file-append lzip "/bin/lzip") "-9"))
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(compressor "xz" ".xz"
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#~(#+(file-append xz "/bin/xz") "-e -T0"))
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(compressor "bzip2" ".bz2"
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#~(#+(file-append bzip2 "/bin/bzip2") "-9"))
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(compressor "none" "" #f)))
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;; This one is only for use in this module, so don't put it in %compressors.
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(define bootstrap-xz
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(compressor "bootstrap-xz" ".xz"
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#~(#+(file-append %bootstrap-coreutils&co "/bin/xz") "-e -T0")))
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(define (lookup-compressor name)
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"Return the compressor object called NAME. Error out if it could not be
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found."
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(or (find (match-lambda
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(($ <compressor> name*)
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(string=? name* name)))
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%compressors)
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(leave (G_ "~a: compressor not found~%") name)))
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(define* (self-contained-tarball name profile
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#:key target
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deduplicate?
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(compressor (first %compressors))
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localstatedir?
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(symlinks '())
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(tar tar))
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"Return a self-contained tarball containing a store initialized with the
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closure of PROFILE, a derivation. The tarball contains /gnu/store; if
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LOCALSTATEDIR? is true, it also contains /var/guix, including /var/guix/db
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with a properly initialized store database.
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SYMLINKS must be a list of (SOURCE -> TARGET) tuples denoting symlinks to be
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added to the pack."
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(define build
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(with-imported-modules (source-module-closure
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'((guix build utils)
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(guix build union)
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(guix build store-copy)
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(gnu build install)))
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#~(begin
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(use-modules (guix build utils)
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((guix build union) #:select (relative-file-name))
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(gnu build install)
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(srfi srfi-1)
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(srfi srfi-26)
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(ice-9 match))
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(define %root "root")
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(define symlink->directives
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;; Return "populate directives" to make the given symlink and its
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;; parent directories.
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(match-lambda
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((source '-> target)
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(let ((target (string-append #$profile "/" target)))
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`((directory ,(dirname source))
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(,source
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-> ,(relative-file-name (dirname source) target)))))))
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(define directives
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;; Fully-qualified symlinks.
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(append-map symlink->directives '#$symlinks))
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;; The --sort option was added to GNU tar in version 1.28, released
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;; 2014-07-28. For testing, we use the bootstrap tar, which is
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;; older and doesn't support it.
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(define tar-supports-sort?
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(zero? (system* (string-append #+tar "/bin/tar")
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"cf" "/dev/null" "--files-from=/dev/null"
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"--sort=name")))
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;; We need Guix here for 'guix-register'.
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(setenv "PATH"
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(string-append #$(if localstatedir?
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(file-append guix "/sbin:")
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"")
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#$tar "/bin"))
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;; Note: there is not much to gain here with deduplication and
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;; there is the overhead of the '.links' directory, so turn it
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;; off.
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(populate-single-profile-directory %root
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#:profile #$profile
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#:closure "profile"
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#:deduplicate? #f
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#:register? #$localstatedir?)
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;; Create SYMLINKS.
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(for-each (cut evaluate-populate-directive <> %root)
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directives)
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;; Create the tarball. Use GNU format so there's no file name
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;; length limitation.
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(with-directory-excursion %root
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(exit
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(zero? (apply system* "tar"
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"-I"
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(string-join '#+(compressor-command compressor))
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"--format=gnu"
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;; Avoid non-determinism in the archive. Use
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;; mtime = 1, not zero, because that is what the
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;; daemon does for files in the store (see the
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;; 'mtimeStore' constant in local-store.cc.)
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(if tar-supports-sort? "--sort=name" "--mtime=@1")
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"--mtime=@1" ;for files in /var/guix
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"--owner=root:0"
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"--group=root:0"
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"--check-links"
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"-cvf" #$output
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;; Avoid adding / and /var to the tarball, so
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;; that the ownership and permissions of those
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;; directories will not be overwritten when
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;; extracting the archive. Do not include /root
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;; because the root account might have a
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;; different home directory.
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#$@(if localstatedir?
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'("./var/guix")
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'())
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(string-append "." (%store-directory))
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(delete-duplicates
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(filter-map (match-lambda
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(('directory directory)
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(string-append "." directory))
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(_ #f))
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directives)))))))))
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(gexp->derivation (string-append name ".tar"
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(compressor-extension compressor))
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build
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#:references-graphs `(("profile" ,profile))))
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(define* (docker-image name profile
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#:key target
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deduplicate?
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(compressor (first %compressors))
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localstatedir?
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(symlinks '())
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(tar tar))
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"Return a derivation to construct a Docker image of PROFILE. The
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image is a tarball conforming to the Docker Image Specification, compressed
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with COMPRESSOR. It can be passed to 'docker load'. If TARGET is true, it
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must a be a GNU triplet and it is used to derive the architecture metadata in
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the image."
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;; FIXME: Honor LOCALSTATEDIR?.
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(define not-config?
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(match-lambda
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(('guix 'config) #f)
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(('guix rest ...) #t)
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(('gnu rest ...) #t)
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(rest #f)))
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(define defmod 'define-module) ;trick Geiser
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(define config
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;; (guix config) module for consumption by (guix gcrypt).
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(scheme-file "gcrypt-config.scm"
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#~(begin
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(#$defmod (guix config)
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#:export (%libgcrypt))
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;; XXX: Work around <http://bugs.gnu.org/15602>.
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(eval-when (expand load eval)
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(define %libgcrypt
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#+(file-append libgcrypt "/lib/libgcrypt"))))))
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(define json
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;; Pick the guile-json package that corresponds to the Guile used to build
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;; derivations.
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(if (string-prefix? "2.0" (package-version (default-guile)))
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guile2.0-json
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guile-json))
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(define build
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(with-imported-modules `(,@(source-module-closure '((guix docker))
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#:select? not-config?)
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(guix build store-copy)
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((guix config) => ,config))
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#~(begin
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;; Guile-JSON is required by (guix docker).
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(add-to-load-path
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(string-append #+json "/share/guile/site/"
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(effective-version)))
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(use-modules (guix docker) (srfi srfi-19) (guix build store-copy))
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(setenv "PATH" (string-append #$tar "/bin"))
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(build-docker-image #$output
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(call-with-input-file "profile"
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read-reference-graph)
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#$profile
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#:system (or #$target (utsname:machine (uname)))
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#:symlinks '#$symlinks
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#:compressor '#$(compressor-command compressor)
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#:creation-time (make-time time-utc 0 1)))))
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(gexp->derivation (string-append name ".tar"
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(compressor-extension compressor))
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build
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#:references-graphs `(("profile" ,profile))))
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;;;
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;;; Compiling C programs.
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;;;
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;; A C compiler. That lowers to a single program that can be passed typical C
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;; compiler flags, and it makes sure the whole toolchain is available.
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(define-record-type <c-compiler>
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(%c-compiler toolchain guile)
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c-compiler?
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(toolchain c-compiler-toolchain)
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(guile c-compiler-guile))
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(define* (c-compiler #:optional inputs
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#:key (guile (default-guile)))
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(%c-compiler inputs guile))
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(define (bootstrap-c-compiler)
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"Return the C compiler that uses the bootstrap toolchain. This is used only
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by '--bootstrap', for testing purposes."
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(define bootstrap-toolchain
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(list (first (assoc-ref %bootstrap-inputs "gcc"))
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(first (assoc-ref %bootstrap-inputs "binutils"))
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(first (assoc-ref %bootstrap-inputs "libc"))))
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(c-compiler bootstrap-toolchain
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#:guile %bootstrap-guile))
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(define-gexp-compiler (c-compiler-compiler (compiler <c-compiler>) system target)
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"Lower COMPILER to a single script that does the right thing."
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(define toolchain
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(or (c-compiler-toolchain compiler)
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(list (first (assoc-ref (standard-packages) "gcc"))
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(first (assoc-ref (standard-packages) "ld-wrapper"))
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(first (assoc-ref (standard-packages) "binutils"))
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(first (assoc-ref (standard-packages) "libc"))
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(gexp-input (first (assoc-ref (standard-packages) "libc"))
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"static"))))
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(define inputs
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(match (append-map package-propagated-inputs
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(filter package? toolchain))
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(((labels things . _) ...)
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(append toolchain things))))
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(define search-paths
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(cons $PATH
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(append-map package-native-search-paths
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(filter package? inputs))))
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(define run
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(with-imported-modules (source-module-closure
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'((guix build utils)
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(guix search-paths)))
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#~(begin
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(use-modules (guix build utils) (guix search-paths)
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(ice-9 match))
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(define (output-file args)
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(let loop ((args args))
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(match args
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(() "a.out")
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(("-o" file _ ...) file)
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((head rest ...) (loop rest)))))
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(set-search-paths (map sexp->search-path-specification
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'#$(map search-path-specification->sexp
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search-paths))
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'#$inputs)
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(let ((output (output-file (command-line))))
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(apply invoke "gcc" (cdr (command-line)))
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(invoke "strip" output)))))
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(when target
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;; TODO: Yep, we'll have to do it someday!
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(leave (G_ "cross-compilation not implemented here;
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please email '~a'~%")
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(@ (guix config) %guix-bug-report-address)))
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(gexp->script "c-compiler" run
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#:guile (c-compiler-guile compiler)))
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;;;
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;;; Wrapped package.
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;;;
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(define* (wrapped-package package
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#:optional (compiler (c-compiler)))
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(define runner
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(local-file (search-auxiliary-file "run-in-namespace.c")))
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(define build
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(ice-9 match))
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(define (strip-store-prefix file)
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;; Given a file name like "/gnu/store/…-foo-1.2/bin/foo", return
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;; "/bin/foo".
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(let* ((len (string-length (%store-directory)))
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(base (string-drop file (+ 1 len))))
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(match (string-index base #\/)
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(#f base)
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(index (string-drop base index)))))
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(define (build-wrapper program)
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;; Build a user-namespace wrapper for PROGRAM.
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(format #t "building wrapper for '~a'...~%" program)
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(copy-file #$runner "run.c")
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(substitute* "run.c"
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(("@WRAPPED_PROGRAM@") program)
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(("@STORE_DIRECTORY@") (%store-directory)))
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(let* ((base (strip-store-prefix program))
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(result (string-append #$output "/" base)))
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(mkdir-p (dirname result))
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(invoke #$compiler "-std=gnu99" "-static" "-Os" "-g0" "-Wall"
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"run.c" "-o" result)
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(delete-file "run.c")))
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(setvbuf (current-output-port)
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(cond-expand (guile-2.2 'line)
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(else _IOLBF)))
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(for-each build-wrapper
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(append (find-files #$(file-append package "/bin"))
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(find-files #$(file-append package "/sbin"))
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(find-files #$(file-append package "/libexec")))))))
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(computed-file (string-append (package-full-name package "-") "R")
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build))
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(define (map-manifest-entries proc manifest)
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"Apply PROC to all the entries of MANIFEST and return a new manifest."
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(make-manifest
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(map (lambda (entry)
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(manifest-entry
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(inherit entry)
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(item (proc (manifest-entry-item entry)))))
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(manifest-entries manifest))))
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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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`((format . tarball)
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(system . ,(%current-system))
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(substitutes? . #t)
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(build-hook? . #t)
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(graft? . #t)
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(verbosity . 0)
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(symlinks . ())
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(compressor . ,(first %compressors))))
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(define %formats
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;; Supported pack formats.
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`((tarball . ,self-contained-tarball)
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(docker . ,docker-image)))
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(define %options
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;; Specifications 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 pack")))
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(option '(#\n "dry-run") #f #f
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(lambda (opt name arg result)
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(alist-cons 'dry-run? #t (alist-cons 'graft? #f result))))
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(option '(#\f "format") #t #f
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(lambda (opt name arg result)
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(alist-cons 'format (string->symbol arg) result)))
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(option '(#\R "relocatable") #f #f
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(lambda (opt name arg result)
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(alist-cons 'relocatable? #t result)))
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(option '(#\e "expression") #t #f
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(lambda (opt name arg result)
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(alist-cons 'expression arg result)))
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(option '(#\m "manifest") #t #f
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(lambda (opt name arg result)
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(alist-cons 'manifest arg result)))
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(option '(#\s "system") #t #f
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(lambda (opt name arg result)
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(alist-cons 'system arg
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(alist-delete 'system result eq?))))
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(option '("target") #t #f
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(lambda (opt name arg result)
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(alist-cons 'target arg
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(alist-delete 'target result eq?))))
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(option '(#\C "compression") #t #f
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(lambda (opt name arg result)
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(alist-cons 'compressor (lookup-compressor arg)
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result)))
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(option '(#\S "symlink") #t #f
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(lambda (opt name arg result)
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;; Note: Using 'string-split' allows us to handle empty
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;; TARGET (as in "/opt/guile=", meaning that /opt/guile is
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;; a symlink to the profile) correctly.
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(match (string-split arg (char-set #\=))
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((source target)
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(let ((symlinks (assoc-ref result 'symlinks)))
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(alist-cons 'symlinks
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`((,source -> ,target) ,@symlinks)
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(alist-delete 'symlinks result eq?))))
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(x
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(leave (G_ "~a: invalid symlink specification~%")
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arg)))))
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(option '("localstatedir") #f #f
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(lambda (opt name arg result)
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(alist-cons 'localstatedir? #t result)))
|
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(option '("bootstrap") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'bootstrap? #t result)))
|
||
|
||
(append %transformation-options
|
||
%standard-build-options)))
|
||
|
||
(define (show-help)
|
||
(display (G_ "Usage: guix pack [OPTION]... PACKAGE...
|
||
Create a bundle of PACKAGE.\n"))
|
||
(show-build-options-help)
|
||
(newline)
|
||
(show-transformation-options-help)
|
||
(newline)
|
||
(display (G_ "
|
||
-f, --format=FORMAT build a pack in the given FORMAT"))
|
||
(display (G_ "
|
||
-R, --relocatable produce relocatable executables"))
|
||
(display (G_ "
|
||
-e, --expression=EXPR consider the package EXPR evaluates to"))
|
||
(display (G_ "
|
||
-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
|
||
(display (G_ "
|
||
--target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\""))
|
||
(display (G_ "
|
||
-C, --compression=TOOL compress using TOOL--e.g., \"lzip\""))
|
||
(display (G_ "
|
||
-S, --symlink=SPEC create symlinks to the profile according to SPEC"))
|
||
(display (G_ "
|
||
-m, --manifest=FILE create a pack with the manifest from FILE"))
|
||
(display (G_ "
|
||
--localstatedir include /var/guix in the resulting pack"))
|
||
(display (G_ "
|
||
--bootstrap use the bootstrap binaries to build the pack"))
|
||
(newline)
|
||
(display (G_ "
|
||
-h, --help display this help and exit"))
|
||
(display (G_ "
|
||
-V, --version display version information and exit"))
|
||
(newline)
|
||
(show-bug-report-information))
|
||
|
||
|
||
;;;
|
||
;;; Entry point.
|
||
;;;
|
||
|
||
(define (guix-pack . args)
|
||
(define opts
|
||
(parse-command-line args %options (list %default-options)))
|
||
|
||
(define maybe-package-argument
|
||
;; Given an option pair, return a package, a package/output tuple, or #f.
|
||
(match-lambda
|
||
(('argument . spec)
|
||
(call-with-values
|
||
(lambda ()
|
||
(specification->package+output spec))
|
||
list))
|
||
(('expression . exp)
|
||
(read/eval-package-expression exp))
|
||
(x #f)))
|
||
|
||
(define (manifest-from-args store opts)
|
||
(let* ((transform (options->transformation opts))
|
||
(packages (map (match-lambda
|
||
(((? package? package) output)
|
||
(list (transform store package) output))
|
||
((? package? package)
|
||
(list (transform store package) "out")))
|
||
(filter-map maybe-package-argument opts)))
|
||
(manifest-file (assoc-ref opts 'manifest)))
|
||
(cond
|
||
((and manifest-file (not (null? packages)))
|
||
(leave (G_ "both a manifest and a package list were given~%")))
|
||
(manifest-file
|
||
(let ((user-module (make-user-module '((guix profiles) (gnu)))))
|
||
(load* manifest-file user-module)))
|
||
(else (packages->manifest packages)))))
|
||
|
||
(with-error-handling
|
||
(with-store store
|
||
;; Set the build options before we do anything else.
|
||
(set-build-options-from-command-line store opts)
|
||
|
||
(parameterize ((%graft? (assoc-ref opts 'graft?))
|
||
(%guile-for-build (package-derivation
|
||
store
|
||
(if (assoc-ref opts 'bootstrap?)
|
||
%bootstrap-guile
|
||
(canonical-package guile-2.2))
|
||
#:graft? (assoc-ref opts 'graft?))))
|
||
(let* ((dry-run? (assoc-ref opts 'dry-run?))
|
||
(relocatable? (assoc-ref opts 'relocatable?))
|
||
(manifest (let ((manifest (manifest-from-args store opts)))
|
||
;; Note: We cannot honor '--bootstrap' here because
|
||
;; 'glibc-bootstrap' lacks 'libc.a'.
|
||
(if relocatable?
|
||
(map-manifest-entries wrapped-package manifest)
|
||
manifest)))
|
||
(pack-format (assoc-ref opts 'format))
|
||
(name (string-append (symbol->string pack-format)
|
||
"-pack"))
|
||
(target (assoc-ref opts 'target))
|
||
(bootstrap? (assoc-ref opts 'bootstrap?))
|
||
(compressor (if bootstrap?
|
||
bootstrap-xz
|
||
(assoc-ref opts 'compressor)))
|
||
(tar (if bootstrap?
|
||
%bootstrap-coreutils&co
|
||
tar))
|
||
(symlinks (assoc-ref opts 'symlinks))
|
||
(build-image (match (assq-ref %formats pack-format)
|
||
((? procedure? proc) proc)
|
||
(#f
|
||
(leave (G_ "~a: unknown pack format")
|
||
format))))
|
||
(localstatedir? (assoc-ref opts 'localstatedir?)))
|
||
(run-with-store store
|
||
(mlet* %store-monad ((profile (profile-derivation
|
||
manifest
|
||
#:relative-symlinks? relocatable?
|
||
#:hooks (if bootstrap?
|
||
'()
|
||
%default-profile-hooks)
|
||
#:locales? (not bootstrap?)
|
||
#:target target))
|
||
(drv (build-image name profile
|
||
#:target
|
||
target
|
||
#:compressor
|
||
compressor
|
||
#:symlinks
|
||
symlinks
|
||
#:localstatedir?
|
||
localstatedir?
|
||
#:tar
|
||
tar)))
|
||
(mbegin %store-monad
|
||
(show-what-to-build* (list drv)
|
||
#:use-substitutes?
|
||
(assoc-ref opts 'substitutes?)
|
||
#:dry-run? dry-run?)
|
||
(munless dry-run?
|
||
(built-derivations (list drv))
|
||
(return (format #t "~a~%"
|
||
(derivation->output-path drv))))))
|
||
#:system (assoc-ref opts 'system)))))))
|