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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
#!/bin/sh
# aside from this initial boilerplate, this is actually -*- scheme -*- code
prefix="@prefix@"
datarootdir="@datarootdir@"
GUILE_LOAD_COMPILED_PATH="@guilemoduledir@:$GUILE_LOAD_COMPILED_PATH"
export GUILE_LOAD_COMPILED_PATH
main='(module-ref (resolve-interface '\''(guix-build)) '\'guix-build')'
exec ${GUILE-@GUILE@} -L "@guilemoduledir@" -l "$0" \
-c "(apply $main (cdr (command-line)))" "$@"
!#
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 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-build)
#:use-module (guix ui)
#:use-module (guix store)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-37)
#:autoload (gnu packages) (find-packages-by-name)
#:export (guix-build))
(define %store
(make-parameter #f))
(define (derivations-from-package-expressions exp system source?)
"Eval EXP and return the corresponding derivation path for SYSTEM.
When SOURCE? is true, return the derivations of the package sources."
(let ((p (eval exp (current-module))))
(if (package? p)
(if source?
(let ((source (package-source p))
(loc (package-location p)))
(if source
(package-source-derivation (%store) source)
(leave (_ "~a: error: package `~a' has no source~%")
(location->string loc) (package-name p))))
(package-derivation (%store) p system))
(leave (_ "expression `~s' does not evaluate to a package~%")
exp))))
;;;
;;; Command-line options.
;;;
(define %default-options
;; Alist of default option values.
`((system . ,(%current-system))
(substitutes? . #t)
(verbosity . 0)))
(define (show-help)
(display (_ "Usage: guix-build [OPTION]... PACKAGE-OR-DERIVATION...
Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(display (_ "
-e, --expression=EXPR build the package EXPR evaluates to"))
(display (_ "
-S, --source build the packages' source derivations"))
(display (_ "
-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
(display (_ "
-d, --derivations return the derivation paths of the given packages"))
(display (_ "
-K, --keep-failed keep build tree of failed builds"))
(display (_ "
-n, --dry-run do not build the derivations"))
(display (_ "
--no-substitutes build instead of resorting to pre-built substitutes"))
(display (_ "
-c, --cores=N allow the use of up to N CPU cores for the build"))
(display (_ "
-r, --root=FILE make FILE a symlink to the result, and register it
as a garbage collector root"))
(display (_ "
--verbosity=LEVEL use the given verbosity LEVEL"))
(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 '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix-build")))
(option '(#\S "source") #f #f
(lambda (opt name arg result)
(alist-cons 'source? #t result)))
(option '(#\s "system") #t #f
(lambda (opt name arg result)
(alist-cons 'system arg
(alist-delete 'system result eq?))))
(option '(#\d "derivations") #f #f
(lambda (opt name arg result)
(alist-cons 'derivations-only? #t result)))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression
(call-with-input-string arg read)
result)))
(option '(#\K "keep-failed") #f #f
(lambda (opt name arg result)
(alist-cons 'keep-failed? #t result)))
(option '(#\c "cores") #t #f
(lambda (opt name arg result)
(let ((c (false-if-exception (string->number arg))))
(if c
(alist-cons 'cores c result)
(leave (_ "~a: not a number~%") arg)))))
(option '(#\n "dry-run") #f #f
(lambda (opt name arg result)
(alist-cons 'dry-run? #t result)))
(option '("no-substitutes") #f #f
(lambda (opt name arg result)
(alist-cons 'substitutes? #f
(alist-delete 'substitutes? result))))
(option '(#\r "root") #t #f
(lambda (opt name arg result)
(alist-cons 'gc-root arg result)))
(option '("verbosity") #t #f
(lambda (opt name arg result)
(let ((level (string->number arg)))
(alist-cons 'verbosity level
(alist-delete 'verbosity result)))))))
;;;
;;; Entry point.
;;;
(define (guix-build . 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)
(alist-cons 'argument arg result))
%default-options))
(define (register-root paths root)
;; Register ROOT as an indirect GC root for all of PATHS.
(let* ((root (string-append (canonicalize-path (dirname root))
"/" root)))
(catch 'system-error
(lambda ()
(match paths
((path)
(symlink path root)
(add-indirect-root (%store) root))
((paths ...)
(fold (lambda (path count)
(let ((root (string-append root "-" (number->string count))))
(symlink path root)
(add-indirect-root (%store) root))
(+ 1 count))
0
paths))))
(lambda args
(format (current-error-port)
(_ "failed to create GC root `~a': ~a~%")
root (strerror (system-error-errno args)))
(exit 1)))))
(define (find-package request)
;; Return a package matching REQUEST. REQUEST may be a package
;; name, or a package name followed by a hyphen and a version
;; number.
(let-values (((name version)
(package-name->name+version request)))
(match (find-packages-by-name name version)
((p) ; one match
p)
((p _ ...) ; several matches
(format (current-error-port)
(_ "warning: ambiguous package specification `~a'~%")
request)
(format (current-error-port)
(_ "warning: choosing ~a from ~a~%")
(package-full-name p)
(location->string (package-location p)))
p)
(_ ; no matches
(if version
(leave (_ "~A: package not found for version ~a~%")
name version)
(leave (_ "~A: unknown package~%") name))))))
(setlocale LC_ALL "")
(textdomain "guix")
(setvbuf (current-output-port) _IOLBF)
(setvbuf (current-error-port) _IOLBF)
(with-error-handling
(let ((opts (parse-options)))
(parameterize ((%store (open-connection)))
(let* ((src? (assoc-ref opts 'source?))
(sys (assoc-ref opts 'system))
(drv (filter-map (match-lambda
(('expression . exp)
(derivations-from-package-expressions exp sys
src?))
(('argument . (? derivation-path? drv))
drv)
(('argument . (? string? x))
(let ((p (find-package x)))
(if src?
(let ((s (package-source p)))
(package-source-derivation
(%store) s))
(package-derivation (%store) p sys))))
(_ #f))
opts))
(req (append-map (lambda (drv-path)
(let ((d (call-with-input-file drv-path
read-derivation)))
(derivation-prerequisites-to-build (%store) d)))
drv))
(req* (delete-duplicates
(append (remove (compose (cut valid-path? (%store) <>)
derivation-path->output-path)
drv)
(map derivation-input-path req))))
(roots (filter-map (match-lambda
(('gc-root . root) root)
(_ #f))
opts)))
(if (assoc-ref opts 'dry-run?)
(format (current-error-port)
(N_ "~:[the following derivation would be built:~%~{ ~a~%~}~;~]"
"~:[the following derivations would be built:~%~{ ~a~%~}~;~]"
(length req*))
(null? req*) req*)
(format (current-error-port)
(N_ "~:[the following derivation will be built:~%~{ ~a~%~}~;~]"
"~:[the following derivations will be built:~%~{ ~a~%~}~;~]"
(length req*))
(null? req*) req*))
;; TODO: Add more options.
(set-build-options (%store)
#:keep-failed? (assoc-ref opts 'keep-failed?)
#:build-cores (or (assoc-ref opts 'cores) 0)
#:use-substitutes? (assoc-ref opts 'substitutes?)
#:verbosity (assoc-ref opts 'verbosity))
(if (assoc-ref opts 'derivations-only?)
(begin
(format #t "~{~a~%~}" drv)
(for-each (cut register-root <> <>)
(map list drv) roots))
(or (assoc-ref opts 'dry-run?)
(and (build-derivations (%store) drv)
(for-each (lambda (d)
(let ((drv (call-with-input-file d
read-derivation)))
(format #t "~{~a~%~}"
(map (match-lambda
((out-name . out)
(derivation-path->output-path
d out-name)))
(derivation-outputs drv)))))
drv)
(for-each (cut register-root <> <>)
(map (lambda (drv)
(map cdr
(derivation-path->output-paths drv)))
drv)
roots)))))))))
;; Local Variables:
;; eval: (put 'guard 'scheme-indent-function 1)
;; End:
|
