1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
;;; 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))
(setvbuf (current-output-port) _IOLBF)
(setvbuf (current-error-port) _IOLBF)
(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.
(copy-recursively "guix" (string-append out "/guix"))
(copy-recursively "gnu" (string-append out "/gnu"))
(copy-file "guix.scm" (string-append out "/guix.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.
(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")
(find-files out "\\.scm")))
;; 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.
`((tarball-url . ,%snapshot-url)))
(define (show-help)
(display (_ "Usage: guix pull [OPTION]...
Download and deploy the latest version of Guix.\n"))
(display (_ "
--verbose produce verbose output"))
(display (_ "
--url=URL download the Guix tarball from URL"))
(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 '("url") #t #f
(lambda (opt name arg result)
(alist-cons 'tarball-url arg
(alist-delete 'tarball-url 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))
(url (assoc-ref opts 'tarball-url)))
(let ((tarball (download-to-store store 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))))))))
|