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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix build pull)
#:use-module (guix modules)
#:use-module (guix build utils)
#:use-module (system base compile)
#:use-module (ice-9 ftw)
#:use-module (ice-9 match)
#:use-module (ice-9 format)
#:use-module (ice-9 threads)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:export (build-guix))
;;; Commentary:
;;;
;;; Helpers for the 'guix pull' command to unpack and build Guix.
;;;
;;; Code:
(define (has-all-its-dependencies? file)
"Return true if the dependencies of the module defined in FILE are
available, false otherwise."
(let ((module (call-with-input-file file
(lambda (port)
(match (read port)
(('define-module name _ ...)
name))))))
;; If one of the dependencies of MODULE is missing, we get a
;; '&missing-dependency-error'.
(guard (c ((missing-dependency-error? c) #f))
(source-module-closure (list module) #:select? (const #t)))))
(define (all-scheme-files directory)
"Return a sorted list of Scheme files found in DIRECTORY."
;; Load guix/ modules before gnu/ modules to get somewhat steadier
;; progress reporting.
(sort (filter (cut string-suffix? ".scm" <>)
(find-files directory "\\.scm"))
(let ((guix (string-append directory "/guix"))
(gnu (string-append directory "/gnu")))
(lambda (a b)
(or (and (string-prefix? guix a)
(string-prefix? gnu b))
(string<? a b))))))
(cond-expand
(guile-2.2 (use-modules (language tree-il optimize)
(language cps optimize)))
(else #f))
(define %default-optimizations
;; Default optimization options (equivalent to -O2 on Guile 2.2).
(cond-expand
(guile-2.2 (append (tree-il-default-optimization-options)
(cps-default-optimization-options)))
(else '())))
(define %lightweight-optimizations
;; Lightweight optimizations (like -O0, but with partial evaluation).
(let loop ((opts %default-optimizations)
(result '()))
(match opts
(() (reverse result))
((#:partial-eval? _ rest ...)
(loop rest `(#t #:partial-eval? ,@result)))
((kw _ rest ...)
(loop rest `(#f ,kw ,@result))))))
(define (optimization-options file)
(if (string-contains file "gnu/packages/")
%lightweight-optimizations ;build faster
'()))
(define* (build-guix out source
#:key
system
storedir localstatedir sysconfdir sbindir
(package-name "GNU Guix")
(package-version "0")
(bug-report-address "bug-guix@gnu.org")
(home-page-url "https://gnu.org/s/guix")
libgcrypt zlib gzip bzip2 xz
(debug-port (%make-void-port "w"))
(log-port (current-error-port)))
"Build and install Guix in directory OUT using SOURCE, a directory
containing the source code. Write any debugging output to DEBUG-PORT."
(setvbuf (current-output-port) _IOLBF)
(setvbuf (current-error-port) _IOLBF)
(with-directory-excursion source
(format #t "copying and compiling to '~a' with Guile ~a...~%"
out (version))
;; Copy everything under guix/ and gnu/ plus {guix,gnu}.scm.
(copy-recursively "guix" (string-append out "/guix")
#:log debug-port)
(copy-recursively "gnu" (string-append out "/gnu")
#:log debug-port)
(copy-file "guix.scm" (string-append out "/guix.scm"))
(copy-file "gnu.scm" (string-append out "/gnu.scm"))
;; Instantiate a (guix config) module that preserves the original
;; settings.
(copy-file "guix/config.scm.in"
(string-append out "/guix/config.scm"))
(substitute* (string-append out "/guix/config.scm")
(("@PACKAGE_NAME@") package-name)
(("@PACKAGE_VERSION@") package-version)
(("@PACKAGE_BUGREPORT@") bug-report-address)
(("@PACKAGE_URL@") home-page-url)
(("@storedir@") storedir)
(("@guix_localstatedir@") localstatedir)
(("@guix_sysconfdir@") sysconfdir)
(("@guix_sbindir@") sbindir)
(("@guix_system@") system)
(("@LIBGCRYPT@") (string-append libgcrypt "/lib/libgcrypt"))
(("@LIBZ@") (string-append zlib "/lib/libz"))
(("@GZIP@") (string-append gzip "/bin/gzip"))
(("@BZIP2@") (string-append bzip2 "/bin/bzip2"))
(("@XZ@") (string-append xz "/bin/xz"))
(("@NIX_INSTANTIATE@") "nix-instantiate")) ;for (guix import nix)
;; Augment the search path so Scheme code can be compiled.
(set! %load-path (cons out %load-path))
(set! %load-compiled-path (cons out %load-compiled-path))
;; Compile the .scm files. Load all the files before compiling them to
;; work around <http://bugs.gnu.org/15602> (FIXME).
;; Filter out files depending on Guile-SSH when Guile-SSH is missing.
(let* ((files (filter has-all-its-dependencies?
(all-scheme-files out)))
(total (length files)))
(let loop ((files files)
(completed 0))
(match files
(() *unspecified*)
((file . files)
(display #\cr log-port)
(format log-port "loading...\t~5,1f% of ~d files" ;FIXME: i18n
(* 100. (/ completed total)) total)
(force-output log-port)
(format debug-port "~%loading '~a'...~%" file)
;; Turn "<out>/foo/bar.scm" into (foo bar).
(let* ((relative-file (string-drop file (+ (string-length out) 1)))
(module-path (string-drop-right relative-file 4))
(module-name (map string->symbol
(string-split module-path #\/))))
(parameterize ((current-warning-port debug-port))
(resolve-interface module-name)))
(loop files (+ 1 completed)))))
(newline)
(let ((mutex (make-mutex))
(completed 0))
;; Make sure compilation related modules are loaded before starting to
;; compile files in parallel.
(compile #f)
(n-par-for-each
(parallel-job-count)
(lambda (file)
(with-mutex mutex
(display #\cr log-port)
(format log-port "compiling...\t~5,1f% of ~d files" ;FIXME: i18n
(* 100. (/ completed total)) total)
(force-output log-port)
(format debug-port "~%compiling '~a'...~%" file))
(let ((go (string-append (string-drop-right file 4) ".go")))
(parameterize ((current-warning-port (%make-void-port "w")))
(compile-file file
#:output-file go
#:opts (optimization-options file))))
(with-mutex mutex
(set! completed (+ 1 completed))))
files))))
(newline)
#t)
;;; pull.scm ends here
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