a87d66f371
Fixes <https://bugs.gnu.org/22459>. Reported by Jeff Mickey <j@codemac.net>. * guix/config.scm.in (%state-directory): Change NIX_STATE_DIR to GUIX_STATE_DIRECTORY. (%store-database-directory): Change NIX_DB_DIR to GUIX_DATABASE_DIRECTORY. * nix/libstore/globals.cc (Settings::processEnvironment): Likewise. * guix/self.scm (make-config.scm): Likewise. * build-aux/build-self.scm (make-config.scm): Likewise. * build-aux/test-env.in: Likewise. * tests/derivations.scm ("derivation #:leaked-env-vars"): Likewise. * tests/guix-build.sh (GUIX_DAEMON_SOCKET): Likewise. * tests/guix-daemon.sh (socket): Likewise.
458 lines
20 KiB
Scheme
458 lines
20 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.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 (build-self)
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#:use-module (gnu)
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#:use-module (guix)
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#:use-module (guix ui)
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#:use-module (guix config)
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#:use-module (guix modules)
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#:use-module (guix build-system gnu)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-19)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (rnrs io ports)
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#:use-module (ice-9 match)
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#:use-module (ice-9 popen)
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#:export (build))
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;;; Commentary:
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;;;
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;;; When loaded, this module returns a monadic procedure of at least one
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;;; argument: the source tree to build. It returns a derivation that
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;;; builds it.
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;;;
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;;; This file uses modules provided by the already-installed Guix. Those
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;;; modules may be arbitrarily old compared to the version we want to
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;;; build. Because of that, it must rely on the smallest set of features
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;;; that are likely to be provided by the (guix) and (gnu) modules, and by
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;;; Guile itself, forever and ever.
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;;;
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;;; Code:
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;;;
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;;; Generating (guix config).
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;;;
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;;; This is copied from (guix self) because we cannot assume (guix self) is
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;;; available at this point.
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;;;
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(define %dependency-variables
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;; (guix config) variables corresponding to dependencies.
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'(%libgcrypt %libz %xz %gzip %bzip2))
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(define %persona-variables
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;; (guix config) variables that define Guix's persona.
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'(%guix-package-name
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%guix-version
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%guix-bug-report-address
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%guix-home-page-url))
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(define %config-variables
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;; (guix config) variables corresponding to Guix configuration.
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(letrec-syntax ((variables (syntax-rules ()
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((_)
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'())
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((_ variable rest ...)
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(cons `(variable . ,variable)
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(variables rest ...))))))
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(variables %localstatedir %storedir %sysconfdir %system)))
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(define* (make-config.scm #:key zlib gzip xz bzip2
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(package-name "GNU Guix")
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(package-version "0")
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(bug-report-address "bug-guix@gnu.org")
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(home-page-url "https://gnu.org/s/guix"))
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;; Hack so that Geiser is not confused.
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(define defmod 'define-module)
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(scheme-file "config.scm"
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#~(begin
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(#$defmod (guix config)
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#:export (%guix-package-name
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%guix-version
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%guix-bug-report-address
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%guix-home-page-url
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%store-directory
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%state-directory
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%store-database-directory
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%config-directory
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%libz
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%gzip
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%bzip2
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%xz))
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;; XXX: Work around <http://bugs.gnu.org/15602>.
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(eval-when (expand load eval)
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#$@(map (match-lambda
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((name . value)
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#~(define-public #$name #$value)))
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%config-variables)
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(define %store-directory
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(or (and=> (getenv "NIX_STORE_DIR") canonicalize-path)
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%storedir))
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(define %state-directory
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;; This must match `NIX_STATE_DIR' as defined in
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;; `nix/local.mk'.
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(or (getenv "GUIX_STATE_DIRECTORY")
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(string-append %localstatedir "/guix")))
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(define %store-database-directory
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(or (getenv "GUIX_DATABASE_DIRECTORY")
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(string-append %state-directory "/db")))
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(define %config-directory
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;; This must match `GUIX_CONFIGURATION_DIRECTORY' as
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;; defined in `nix/local.mk'.
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(or (getenv "GUIX_CONFIGURATION_DIRECTORY")
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(string-append %sysconfdir "/guix")))
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(define %guix-package-name #$package-name)
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(define %guix-version #$package-version)
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(define %guix-bug-report-address #$bug-report-address)
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(define %guix-home-page-url #$home-page-url)
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(define %gzip
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#+(and gzip (file-append gzip "/bin/gzip")))
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(define %bzip2
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#+(and bzip2 (file-append bzip2 "/bin/bzip2")))
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(define %xz
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#+(and xz (file-append xz "/bin/xz")))
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(define %libz
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#+(and zlib
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(file-append zlib "/lib/libz")))))))
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;;;
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;;; 'gexp->script'.
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;;;
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;;; This is our own variant of 'gexp->script' with an extra #:module-path
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;;; parameter, which was unavailable in (guix gexp) until commit
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;;; 1ae16033f34cebe802023922436883867010850f (March 2018.)
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;;;
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(define (load-path-expression modules path)
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"Return as a monadic value a gexp that sets '%load-path' and
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'%load-compiled-path' to point to MODULES, a list of module names. MODULES
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are searched for in PATH."
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(mlet %store-monad ((modules (imported-modules modules
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#:module-path path))
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(compiled (compiled-modules modules
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#:module-path path)))
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(return (gexp (eval-when (expand load eval)
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(set! %load-path
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(cons (ungexp modules) %load-path))
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(set! %load-compiled-path
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(cons (ungexp compiled)
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%load-compiled-path)))))))
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(define* (gexp->script name exp
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#:key (guile (default-guile))
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(module-path %load-path))
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"Return an executable script NAME that runs EXP using GUILE, with EXP's
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imported modules in its search path."
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(mlet %store-monad ((set-load-path
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(load-path-expression (gexp-modules exp)
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module-path)))
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(gexp->derivation name
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(gexp
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(call-with-output-file (ungexp output)
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(lambda (port)
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;; Note: that makes a long shebang. When the store
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;; is /gnu/store, that fits within the 128-byte
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;; limit imposed by Linux, but that may go beyond
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;; when running tests.
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(format port
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"#!~a/bin/guile --no-auto-compile~%!#~%"
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(ungexp guile))
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(write '(ungexp set-load-path) port)
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(write '(ungexp exp) port)
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(chmod port #o555))))
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#:module-path module-path)))
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(define (date-version-string)
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"Return the current date and hour in UTC timezone, for use as a poor
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person's version identifier."
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;; XXX: Replace with a Git commit id.
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(date->string (current-date 0) "~Y~m~d.~H"))
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(define guile-gcrypt
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;; The host Guix may or may not have 'guile-gcrypt', which was introduced in
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;; August 2018. If it has it, it's at least version 0.1.0, which is good
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;; enough. If it doesn't, specify our own package because the target Guix
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;; requires it.
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(match (find-best-packages-by-name "guile-gcrypt" #f)
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(()
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(package
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(name "guile-gcrypt")
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(version "0.1.0")
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(home-page "https://notabug.org/cwebber/guile-gcrypt")
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(source (origin
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(method url-fetch)
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(uri (string-append home-page "/archive/v" version ".tar.gz"))
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(sha256
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(base32
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"1gir7ifknbmbvjlql5j6wzk7bkb5lnmq80q59ngz43hhpclrk5k3"))
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(file-name (string-append name "-" version ".tar.gz"))))
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(build-system gnu-build-system)
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(arguments
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;; The 'bootstrap' phase appeared in 'core-updates', which was merged
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;; into 'master' ca. June 2018.
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'(#:phases (modify-phases %standard-phases
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(delete 'bootstrap)
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(add-before 'configure 'bootstrap
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(lambda _
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(unless (zero? (system* "autoreconf" "-vfi"))
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(error "autoreconf failed"))
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#t)))))
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(native-inputs
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`(("pkg-config" ,(specification->package "pkg-config"))
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("autoconf" ,(specification->package "autoconf"))
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("automake" ,(specification->package "automake"))
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("texinfo" ,(specification->package "texinfo"))))
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(inputs
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`(("guile" ,(specification->package "guile"))
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("libgcrypt" ,(specification->package "libgcrypt"))))
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(synopsis "Cryptography library for Guile using Libgcrypt")
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(description
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"Guile-Gcrypt provides a Guile 2.x interface to a subset of the
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GNU Libgcrypt crytographic library. It provides modules for cryptographic
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hash functions, message authentication codes (MAC), public-key cryptography,
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strong randomness, and more. It is implemented using the foreign function
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interface (FFI) of Guile.")
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(license #f))) ;license:gpl3+
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((package . _)
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package)))
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(define* (build-program source version
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#:optional (guile-version (effective-version))
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#:key (pull-version 0))
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"Return a program that computes the derivation to build Guix from SOURCE."
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(define select?
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;; Select every module but (guix config) and non-Guix modules.
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(match-lambda
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(('guix 'config) #f)
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(('guix _ ...) #t)
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(('gnu _ ...) #t)
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(_ #f)))
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(define fake-gcrypt-hash
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;; Fake (gcrypt hash) module; see below.
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(scheme-file "hash.scm"
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#~(define-module (gcrypt hash)
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#:export (sha1 sha256))))
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(define fake-git
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(scheme-file "git.scm" #~(define-module (git))))
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(with-imported-modules `(((guix config)
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=> ,(make-config.scm))
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;; To avoid relying on 'with-extensions', which was
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;; introduced in 0.15.0, provide a fake (gcrypt
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;; hash) just so that we can build modules, and
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;; adjust %LOAD-PATH later on.
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((gcrypt hash) => ,fake-gcrypt-hash)
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;; (guix git-download) depends on (git) but only
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;; for peripheral functionality. Provide a dummy
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;; (git) to placate it.
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((git) => ,fake-git)
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,@(source-module-closure `((guix store)
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(guix self)
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(guix derivations)
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(gnu packages bootstrap))
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(list source)
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#:select? select?))
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(gexp->script "compute-guix-derivation"
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#~(begin
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(use-modules (ice-9 match))
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(eval-when (expand load eval)
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;; (gnu packages …) modules are going to be looked up
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;; under SOURCE. (guix config) is looked up in FRONT.
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(match (command-line)
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((_ source _ ...)
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(match %load-path
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((front _ ...)
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(unless (string=? front source) ;already done?
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(set! %load-path
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(list source
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(string-append #$guile-gcrypt
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"/share/guile/site/"
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(effective-version))
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front)))))))
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;; Only load Guile-Gcrypt, our own modules, or those
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;; of Guile.
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(set! %load-compiled-path
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(cons (string-append #$guile-gcrypt "/lib/guile/"
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(effective-version)
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"/site-ccache")
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%load-compiled-path)))
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(use-modules (guix store)
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(guix self)
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(guix derivations)
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(srfi srfi-1))
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(define (spin system)
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(define spin
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(circular-list "-" "\\" "|" "/" "-" "\\" "|" "/"))
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(format (current-error-port)
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"Computing Guix derivation for '~a'... "
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system)
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(when (isatty? (current-error-port))
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(let loop ((spin spin))
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(display (string-append "\b" (car spin))
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(current-error-port))
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(force-output (current-error-port))
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(sleep 1)
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(loop (cdr spin)))))
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(match (command-line)
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((_ source system version protocol-version)
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;; The current input port normally wraps a file
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;; descriptor connected to the daemon, or it is
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;; connected to /dev/null. In the former case, reuse
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;; the connection such that we inherit build options
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;; such as substitute URLs and so on; in the latter
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;; case, attempt to open a new connection.
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(let* ((proto (string->number protocol-version))
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(store (if (integer? proto)
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(port->connection (duplicate-port
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(current-input-port)
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"w+0")
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#:version proto)
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(open-connection))))
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(call-with-new-thread
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(lambda ()
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(spin system)))
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(display
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(and=>
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(run-with-store store
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(guix-derivation source version
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#$guile-version
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#:pull-version
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#$pull-version)
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#:system system)
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derivation-file-name))))))
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#:module-path (list source))))
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(define (call-with-clean-environment thunk)
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(let ((env (environ)))
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(dynamic-wind
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(lambda ()
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(environ '()))
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thunk
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(lambda ()
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(environ env)))))
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(define-syntax-rule (with-clean-environment exp ...)
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"Evaluate EXP in a context where zero environment variables are defined."
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(call-with-clean-environment (lambda () exp ...)))
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;; The procedure below is our return value.
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(define* (build source
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#:key verbose? (version (date-version-string)) system
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(pull-version 0)
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;; For the standalone Guix, default to Guile 2.2. For old
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;; versions of 'guix pull' (pre-0.15.0), we have to use the
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;; same Guile as the current one.
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(guile-version (if (> pull-version 0)
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"2.2"
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(effective-version)))
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#:allow-other-keys
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#:rest rest)
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"Return a derivation that unpacks SOURCE into STORE and compiles Scheme
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files."
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;; Build the build program and then use it as a trampoline to build from
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;; SOURCE.
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(mlet %store-monad ((build (build-program source version guile-version
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#:pull-version pull-version))
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(system (if system (return system) (current-system)))
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(port ((store-lift nix-server-socket)))
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(major ((store-lift nix-server-major-version)))
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(minor ((store-lift nix-server-minor-version))))
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(mbegin %store-monad
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(show-what-to-build* (list build))
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(built-derivations (list build))
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;; Use the port beneath the current store as the stdin of BUILD. This
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;; way, we know 'open-pipe*' will not close it on 'exec'. If PORT is
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;; not a file port (e.g., it's an SSH channel), then the subprocess's
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;; stdin will actually be /dev/null.
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(let* ((pipe (with-input-from-port port
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(lambda ()
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;; Make sure BUILD is not influenced by
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;; $GUILE_LOAD_PATH & co.
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(with-clean-environment
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(setenv "GUILE_WARN_DEPRECATED" "no") ;be quiet and drive
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(open-pipe* OPEN_READ
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(derivation->output-path build)
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source system version
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(if (file-port? port)
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(number->string
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(logior major minor))
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"none"))))))
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(str (get-string-all pipe))
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(status (close-pipe pipe)))
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(match str
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((? eof-object?)
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(error "build program failed" (list build status)))
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((? derivation-path? drv)
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(mbegin %store-monad
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(return (newline (current-error-port)))
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((store-lift add-temp-root) drv)
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(return (read-derivation-from-file drv))))
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("#f"
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;; Unsupported PULL-VERSION.
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(return #f))
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((? string? str)
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(raise (condition
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(&message
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(message (format #f "You found a bug: the program '~a'
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failed to compute the derivation for Guix (version: ~s; system: ~s;
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host version: ~s; pull-version: ~s).
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Please report it by email to <~a>.~%"
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(derivation->output-path build)
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version system %guix-version pull-version
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%guix-bug-report-address)))))))))))
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;; This file is loaded by 'guix pull'; return it the build procedure.
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build
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;; Local Variables:
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||
;; eval: (put 'with-load-path 'scheme-indent-function 1)
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;; End:
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;;; build-self.scm ends here
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