ac5aa28889
* distro/packages/base.scm (%bootstrap-guile): Build from a tarball
containing a pre-built Guile.
* distro.scm (%bootstrap-binaries-directory): New variable.
(search-bootstrap-binary): New procedure.
* Makefile.am (bootstrapdir, bootstrap_x86_64_linuxdir,
dist_bootstrap_x86_64_linux_DATA, DISTCLEANFILES, DOWNLOAD_FILE): New
variables.
(distro/packages/bootstrap/x86_64-linux/guile-bootstrap-2.0.6.tar.xz):
New rule.
(EXTRA_DIST): Add `build-aux/download.scm'.
(.scm.go): Define the `DISTRO_BOOTSTRAP_DIRECTORY' and
`DISTRO_INSTALLED_BOOTSTRAP_DIRECTORY' environment variables.
* pre-inst-env.in: Define `DISTRO_BOOTSTRAP_DIRECTORY'.
* build-aux/download.scm: New file.
* distro/packages/bootstrap/x86_64-linux/{bash, mkdir, tar, xz}: New
files.
118 lines
4.3 KiB
Scheme
118 lines
4.3 KiB
Scheme
;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
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;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of Guix.
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;;;
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;;; 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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;;; 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 Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (distro)
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#:use-module (guix packages)
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#:use-module (guix utils)
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#:use-module (ice-9 ftw)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-39)
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#:export (search-patch
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search-bootstrap-binary
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%patch-directory
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find-packages-by-name))
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;;; Commentary:
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;;;
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;;; General utilities for the software distribution---i.e., the modules under
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;;; (distro ...).
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;;;
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;;; Code:
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(define _ (cut gettext <> "guix"))
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(define %patch-directory
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(make-parameter
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(or (getenv "DISTRO_PATCH_DIRECTORY")
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(compile-time-value (getenv "DISTRO_INSTALLED_PATCH_DIRECTORY")))))
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(define %bootstrap-binaries-directory
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(make-parameter
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(or (getenv "DISTRO_BOOTSTRAP_DIRECTORY")
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(compile-time-value (getenv "DISTRO_INSTALLED_BOOTSTRAP_DIRECTORY")))))
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(define (search-patch file-name)
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"Search the patch FILE-NAME."
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(search-path (list (%patch-directory)) file-name))
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(define (search-bootstrap-binary file-name system)
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"Search the bootstrap binary FILE-NAME for SYSTEM."
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(search-path (list (%bootstrap-binaries-directory))
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(string-append system "/" file-name)))
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(define %distro-module-directory
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;; Absolute path of the (distro ...) module root.
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(string-append (dirname (search-path %load-path "distro.scm"))
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"/distro/packages"))
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(define (package-files)
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"Return the list of files that implement distro modules."
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(define prefix-len
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(string-length (dirname (search-path %load-path "distro.scm"))))
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(file-system-fold (const #t) ; enter?
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(lambda (path stat result) ; leaf
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(if (string-suffix? ".scm" path)
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(cons (substring path prefix-len) result)
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result))
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(lambda (path stat result) ; down
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result)
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(lambda (path stat result) ; up
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result)
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(const #f) ; skip
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(lambda (path stat errno result)
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(format (current-error-port)
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(_ "warning: cannot access `~a': ~a~%")
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path (strerror errno))
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result)
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'()
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%distro-module-directory
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stat))
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(define (package-modules)
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"Return the list of modules that provide packages for the distribution."
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(define not-slash
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(char-set-complement (char-set #\/)))
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(filter-map (lambda (path)
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(let ((name (map string->symbol
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(string-tokenize (string-drop-right path 4)
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not-slash))))
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(false-if-exception (resolve-interface name))))
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(package-files)))
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(define* (find-packages-by-name name #:optional version)
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"Return the list of packages with the given NAME. If VERSION is not #f,
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then only return packages whose version is equal to VERSION."
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(define right-package?
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(if version
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(lambda (p)
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(and (package? p)
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(string=? (package-name p) name)
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(string=? (package-version p) version)))
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(lambda (p)
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(and (package? p)
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(string=? (package-name p) name)))))
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(append-map (lambda (module)
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(filter right-package?
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(module-map (lambda (sym var)
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(variable-ref var))
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module)))
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(package-modules)))
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