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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014 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 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)
#:export (build-guix))
;;; Commentary:
;;;
;;; Helpers for the 'guix pull' command to unpack and build Guix.
;;;
;;; Code:
(define* (build-guix out source
#:key gcrypt
(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'...~%" out)
;; 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"))
;; Add a fake (guix config) module to allow the other modules to be
;; compiled. The user's (guix config) is the one that will be used.
(copy-file "guix/config.scm.in"
(string-append out "/guix/config.scm"))
(substitute* (string-append out "/guix/config.scm")
(("@LIBGCRYPT@")
(string-append gcrypt "/lib/libgcrypt")))
;; 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).
(let* ((files
;; Load guix/ modules before gnu/ modules to get somewhat steadier
;; progress reporting.
(sort (filter (cut string-suffix? ".scm" <>)
(find-files out "\\.scm"))
(let ((guix (string-append out "/guix"))
(gnu (string-append out "/gnu")))
(lambda (a b)
(or (and (string-prefix? guix a)
(string-prefix? gnu b))
(string<? a b))))))
(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))
(par-for-each
(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 %auto-compilation-options)))
(with-mutex mutex
(set! completed (+ 1 completed))))
files))))
;; Remove the "fake" (guix config).
(delete-file (string-append out "/guix/config.scm"))
(delete-file (string-append out "/guix/config.go"))
(newline)
#t)
;;; pull.scm ends here
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