3b627eac48
Fixes <http://bugs.gnu.org/15428>. Reported by Cyrill Schenkel <cyrill.schenkel@gmail.com>. * guix/scripts/pull.scm (guix-pull): 'unpack' returns a single value.
218 lines
9.1 KiB
Scheme
218 lines
9.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
|
||
;;;
|
||
;;; 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 scripts pull)
|
||
#:use-module (guix ui)
|
||
#:use-module (guix store)
|
||
#:use-module (guix config)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix derivations)
|
||
#:use-module (guix download)
|
||
#:use-module (gnu packages base)
|
||
#:use-module ((gnu packages bootstrap)
|
||
#:select (%bootstrap-guile))
|
||
#:use-module (gnu packages compression)
|
||
#:use-module (gnu packages gnupg)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-37)
|
||
#:export (guix-pull))
|
||
|
||
(define %snapshot-url
|
||
;; "http://hydra.gnu.org/job/guix/master/tarball/latest/download"
|
||
"http://git.savannah.gnu.org/cgit/guix.git/snapshot/guix-master.tar.gz"
|
||
)
|
||
|
||
(define (unpack store tarball)
|
||
"Return a derivation that unpacks TARBALL into STORE and compiles Scheme
|
||
files."
|
||
(define builder
|
||
`(begin
|
||
(use-modules (guix build utils)
|
||
(system base compile)
|
||
(ice-9 ftw)
|
||
(ice-9 match))
|
||
|
||
(let ((out (assoc-ref %outputs "out"))
|
||
(tar (assoc-ref %build-inputs "tar"))
|
||
(gzip (assoc-ref %build-inputs "gzip"))
|
||
(gcrypt (assoc-ref %build-inputs "gcrypt"))
|
||
(tarball (assoc-ref %build-inputs "tarball")))
|
||
(setenv "PATH" (string-append tar "/bin:" gzip "/bin"))
|
||
|
||
(system* "tar" "xvf" tarball)
|
||
(match (scandir "." (lambda (name)
|
||
(and (not (member name '("." "..")))
|
||
(file-is-directory? name))))
|
||
((dir)
|
||
(chdir dir))
|
||
(x
|
||
(error "tarball did not produce a single source directory" x)))
|
||
|
||
(format #t "copying and compiling Guix to `~a'...~%" out)
|
||
|
||
;; Copy everything under guix/ and gnu/ plus guix.scm.
|
||
(file-system-fold (lambda (dir stat result) ; enter?
|
||
(or (string-prefix? "./guix" dir)
|
||
(string-prefix? "./gnu" dir)
|
||
(string=? "." dir)))
|
||
(lambda (file stat result) ; leaf
|
||
(when (or (not (string=? (dirname file) "."))
|
||
(string=? (basename file) "guix.scm"))
|
||
(let ((target (string-drop file 1)))
|
||
(copy-file file
|
||
(string-append out target)))))
|
||
(lambda (dir stat result) ; down
|
||
(mkdir (string-append out
|
||
(string-drop dir 1))))
|
||
(const #t) ; up
|
||
(const #t) ; skip
|
||
(lambda (file stat errno result)
|
||
(error "cannot access file"
|
||
file (strerror errno)))
|
||
#f
|
||
"."
|
||
lstat)
|
||
|
||
;; 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.
|
||
(for-each (lambda (file)
|
||
(when (string-suffix? ".scm" file)
|
||
(let ((go (string-append (string-drop-right file 4)
|
||
".go")))
|
||
(format (current-error-port)
|
||
"compiling '~a'...~%" file)
|
||
(compile-file file
|
||
#:output-file go
|
||
#:opts %auto-compilation-options))))
|
||
|
||
;; XXX: Because of the autoload hack in (guix build
|
||
;; download), we must build it first to avoid errors since
|
||
;; (gnutls) is unavailable.
|
||
(cons (string-append out "/guix/build/download.scm")
|
||
|
||
;; Sort the file names to get deterministic results.
|
||
(sort (find-files out "\\.scm") string<?)))
|
||
|
||
;; Remove the "fake" (guix config).
|
||
(delete-file (string-append out "/guix/config.scm"))
|
||
(delete-file (string-append out "/guix/config.go")))))
|
||
|
||
(build-expression->derivation store "guix-latest" (%current-system)
|
||
builder
|
||
`(("tar" ,(package-derivation store tar))
|
||
("gzip" ,(package-derivation store gzip))
|
||
("gcrypt" ,(package-derivation store
|
||
libgcrypt))
|
||
("tarball" ,tarball))
|
||
#:modules '((guix build utils))))
|
||
|
||
|
||
;;;
|
||
;;; Command-line options.
|
||
;;;
|
||
|
||
(define %default-options
|
||
;; Alist of default option values.
|
||
'())
|
||
|
||
(define (show-help)
|
||
(display (_ "Usage: guix pull [OPTION]...
|
||
Download and deploy the latest version of Guix.\n"))
|
||
(display (_ "
|
||
--verbose produce verbose output"))
|
||
(display (_ "
|
||
--bootstrap use the bootstrap Guile to build the new Guix"))
|
||
(newline)
|
||
(display (_ "
|
||
-h, --help display this help and exit"))
|
||
(display (_ "
|
||
-V, --version display version information and exit"))
|
||
(newline)
|
||
(show-bug-report-information))
|
||
|
||
(define %options
|
||
;; Specifications of the command-line options.
|
||
(list (option '("verbose") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'verbose? #t result)))
|
||
(option '("bootstrap") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'bootstrap? #t result)))
|
||
|
||
(option '(#\h "help") #f #f
|
||
(lambda args
|
||
(show-help)
|
||
(exit 0)))
|
||
(option '(#\V "version") #f #f
|
||
(lambda args
|
||
(show-version-and-exit "guix pull")))))
|
||
|
||
(define (guix-pull . args)
|
||
(define (parse-options)
|
||
;; Return the alist of option values.
|
||
(args-fold* args %options
|
||
(lambda (opt name arg result)
|
||
(leave (_ "~A: unrecognized option~%") name))
|
||
(lambda (arg result)
|
||
(leave (_ "~A: unexpected argument~%") arg))
|
||
%default-options))
|
||
|
||
(with-error-handling
|
||
(let ((opts (parse-options))
|
||
(store (open-connection)))
|
||
(let ((tarball (download-to-store store %snapshot-url
|
||
"guix-latest.tar.gz")))
|
||
(unless tarball
|
||
(leave (_ "failed to download up-to-date source, exiting\n")))
|
||
(parameterize ((%guile-for-build
|
||
(package-derivation store
|
||
(if (assoc-ref opts 'bootstrap?)
|
||
%bootstrap-guile
|
||
guile-final)))
|
||
(current-build-output-port
|
||
(if (assoc-ref opts 'verbose?)
|
||
(current-error-port)
|
||
(%make-void-port "w"))))
|
||
(let* ((config-dir (config-directory))
|
||
(source (unpack store tarball))
|
||
(source-dir (derivation->output-path source)))
|
||
(if (show-what-to-build store (list source))
|
||
(if (build-derivations store (list source))
|
||
(let ((latest (string-append config-dir "/latest")))
|
||
(add-indirect-root store latest)
|
||
(switch-symlinks latest source-dir)
|
||
(format #t
|
||
(_ "updated ~a successfully deployed under `~a'~%")
|
||
%guix-package-name latest)
|
||
#t)
|
||
(leave (_ "failed to update Guix, check the build log~%")))
|
||
(begin
|
||
(display (_ "Guix already up to date\n"))
|
||
#t))))))))
|