mirror of
https://git.in.rschanz.org/ryan77627/guix.git
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59a1627518
* guix/scripts/pull.scm (%snapshot-url, with-environment-variable) (with-PATH): Remove. (ensure-guile-git!): New procedure. (%repository-url): New variable. (%default-options): Add 'repository-url' and 'ref'. (show-help, %options): Add '--commit' and '--url'. (temporary-directory, first-directory, interned-then-deleted) (unpack): Remove. (build-from-source): Rename 'tarball' to 'source'. Remove call to 'unpack'. (build-and-install): Rename 'tarball' to 'source'. (honor-lets-encrypt-certificates!, report-git-error): New procedures. (with-git-error-handling): New macro. (guix-pull)[fetch-tarball]: Remove. Wrap body in 'with-git-error-handling'. Rewrite to use 'latest-repository-commit'. * build-aux/build-self.scm (build): Print an error message and exit when GUILE-GIT is #f. * doc/guix.texi (Invoking guix pull): Mention Git. Document '--commit' and '--branch'.
267 lines
10 KiB
Scheme
267 lines
10 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014, 2016, 2017 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 config)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-19)
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#:use-module (ice-9 match)
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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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;; The dependencies. Don't refer explicitly to the variables because they
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;; could be renamed or shuffled around in modules over time. Conversely,
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;; 'find-best-packages-by-name' is expected to always have the same semantics.
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(define libgcrypt
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(first (find-best-packages-by-name "libgcrypt" #f)))
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(define zlib
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(first (find-best-packages-by-name "zlib" #f)))
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(define gzip
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(first (find-best-packages-by-name "gzip" #f)))
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(define bzip2
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(first (find-best-packages-by-name "bzip2" #f)))
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(define xz
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(first (find-best-packages-by-name "xz" #f)))
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(define (false-if-wrong-guile package)
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"Return #f if PACKAGE depends on the \"wrong\" major version of Guile (e.g.,
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2.0 instead of 2.2), otherwise return PACKAGE."
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(let ((guile (any (match-lambda
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((label (? package? dep) _ ...)
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(and (string=? (package-name dep) "guile")
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dep)))
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(package-direct-inputs package))))
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(and (or (not guile)
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(string-prefix? (effective-version)
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(package-version guile)))
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package)))
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(define (package-for-current-guile . names)
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"Return the package with one of the given NAMES that depends on the current
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Guile major version (2.0 or 2.2), or #f if none of the packages matches."
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(let loop ((names names))
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(match names
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(()
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#f)
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((name rest ...)
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(match (find-best-packages-by-name name #f)
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(()
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(loop rest))
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((first _ ...)
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(or (false-if-wrong-guile first)
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(loop rest))))))))
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(define guile-json
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(package-for-current-guile "guile-json"
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"guile2.2-json"
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"guile2.0-json"))
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(define guile-ssh
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(package-for-current-guile "guile-ssh"
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"guile2.2-ssh"
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"guile2.0-ssh"))
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(define guile-git
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(package-for-current-guile "guile-git"
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"guile2.0-git"))
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(define guile-bytestructures
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(package-for-current-guile "guile-bytestructures"
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"guile2.0-bytestructures"))
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;; The actual build procedure.
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(define (top-source-directory)
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"Return the name of the top-level directory of this source tree."
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(and=> (assoc-ref (current-source-location) 'filename)
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(lambda (file)
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(string-append (dirname file) "/.."))))
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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-for-build)
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"Return a derivation for Guile 2.0 or 2.2, whichever matches the currently
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running Guile."
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(package->derivation (cond-expand
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(guile-2.2
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(canonical-package
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(specification->package "guile@2.2")))
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(else
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(canonical-package
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(specification->package "guile@2.0"))))))
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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))
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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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;; The '%xxxdir' variables were added to (guix config) in July 2016 so we
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;; cannot assume that they are defined. Try to guess their value when
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;; they're undefined (XXX: we get an incorrect guess when environment
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;; variables such as 'NIX_STATE_DIR' are defined!).
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(define storedir
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(if (defined? '%storedir) %storedir %store-directory))
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(define localstatedir
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(if (defined? '%localstatedir) %localstatedir (dirname %state-directory)))
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(define sysconfdir
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(if (defined? '%sysconfdir) %sysconfdir (dirname %config-directory)))
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(define sbindir
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(if (defined? '%sbindir) %sbindir (dirname %guix-register-program)))
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(define builder
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#~(begin
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(use-modules (guix build pull))
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(letrec-syntax ((maybe-load-path
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(syntax-rules ()
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((_ item rest ...)
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(let ((tail (maybe-load-path rest ...)))
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(if (string? item)
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(cons (string-append item
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"/share/guile/site/"
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#$(effective-version))
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tail)
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tail)))
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((_)
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'()))))
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(set! %load-path
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(append
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(maybe-load-path #$guile-json #$guile-ssh
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#$guile-git #$guile-bytestructures)
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%load-path)))
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(letrec-syntax ((maybe-load-compiled-path
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(syntax-rules ()
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((_ item rest ...)
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(let ((tail (maybe-load-compiled-path rest ...)))
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(if (string? item)
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(cons (string-append item
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"/lib/guile/"
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#$(effective-version)
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"/site-ccache")
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tail)
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tail)))
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((_)
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'()))))
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(set! %load-compiled-path
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(append
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(maybe-load-compiled-path #$guile-json #$guile-ssh
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#$guile-git #$guile-bytestructures)
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%load-compiled-path)))
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;; XXX: The 'guile-ssh' package prior to Guix commit 92b7258 was
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;; broken: libguile-ssh could not be found. Work around that.
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;; FIXME: We want Guile-SSH 0.10.2 or later anyway.
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#$(if (string-prefix? "0.9." (package-version guile-ssh))
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#~(setenv "LTDL_LIBRARY_PATH" (string-append #$guile-ssh "/lib"))
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#t)
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(build-guix #$output #$source
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#:system #$%system
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#:storedir #$storedir
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#:localstatedir #$localstatedir
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#:sysconfdir #$sysconfdir
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#:sbindir #$sbindir
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#:package-name #$%guix-package-name
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#:package-version #$version
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#:bug-report-address #$%guix-bug-report-address
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#:home-page-url #$%guix-home-page-url
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#:libgcrypt #$libgcrypt
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#:zlib #$zlib
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#:gzip #$gzip
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#:bzip2 #$bzip2
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#:xz #$xz
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;; XXX: This is not perfect, enabling VERBOSE? means
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;; building a different derivation.
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#:debug-port (if #$verbose?
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(current-error-port)
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(%make-void-port "w")))))
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(unless guile-git
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;; XXX: Guix before February 2017 lacks a 'guile-git' package altogether.
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;; If we try to upgrade anyway, the logic in (guix scripts pull) will not
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;; build (guix git), which will leave us with an unusable 'guix pull'. To
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;; avoid that, fail early.
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(format (current-error-port)
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"\
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Your installation is too old and lacks a '~a' package.
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Please upgrade to an intermediate version first, for instance with:
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guix pull --url=https://git.savannah.gnu.org/cgit/guix.git/snapshot/v0.13.0.tar.gz
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\n"
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(match (effective-version)
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("2.0" "guile2.0-git")
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(_ "guile-git")))
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(exit 1))
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(mlet %store-monad ((guile (guile-for-build)))
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(gexp->derivation "guix-latest" builder
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#:modules '((guix build pull)
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(guix build utils)
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;; Closure of (guix modules).
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(guix modules)
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(guix memoization)
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(guix sets))
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;; Arrange so that our own (guix build …) modules are
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;; used.
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#:module-path (list (top-source-directory))
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#:guile-for-build guile)))
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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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