Commit | Line | Data |
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233e7676 | 1 | ;;; GNU Guix --- Functional package management for GNU |
92f36323 | 2 | ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> |
e49951eb | 3 | ;;; Copyright © 2013 Mark H Weaver <mhw@netris.org> |
98eb8cbe | 4 | ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> |
88981dd3 AK |
5 | ;;; Copyright © 2014 Cyril Roelandt <tipecaml@gmail.com> |
6 | ;;; Copyright © 2014 Cyrill Schenkel <cyrill.schenkel@gmail.com> | |
689db38e | 7 | ;;; Copyright © 2014, 2015, 2017 Alex Kost <alezost@gmail.com> |
88981dd3 | 8 | ;;; Copyright © 2015 David Thompson <davet@gnu.org> |
cf5f2ad3 | 9 | ;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org> |
e95ae7c2 RJ |
10 | ;;; Copyright © 2016 Roel Janssen <roel@gnu.org> |
11 | ;;; Copyright © 2016 Benz Schenk <benz.schenk@uzh.ch> | |
073c34d7 | 12 | ;;; |
233e7676 | 13 | ;;; This file is part of GNU Guix. |
073c34d7 | 14 | ;;; |
233e7676 | 15 | ;;; GNU Guix is free software; you can redistribute it and/or modify it |
073c34d7 LC |
16 | ;;; under the terms of the GNU General Public License as published by |
17 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
18 | ;;; your option) any later version. | |
19 | ;;; | |
233e7676 | 20 | ;;; GNU Guix is distributed in the hope that it will be useful, but |
073c34d7 LC |
21 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | ;;; GNU General Public License for more details. | |
24 | ;;; | |
25 | ;;; You should have received a copy of the GNU General Public License | |
233e7676 | 26 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. |
073c34d7 LC |
27 | |
28 | (define-module (guix ui) | |
37eed374 | 29 | #:use-module (guix i18n) |
3e43166f | 30 | #:use-module (guix gexp) |
b5bfa477 | 31 | #:use-module (guix sets) |
073c34d7 LC |
32 | #:use-module (guix utils) |
33 | #:use-module (guix store) | |
cdd5d6f9 | 34 | #:use-module (guix config) |
073c34d7 | 35 | #:use-module (guix packages) |
5d7a8584 | 36 | #:use-module (guix profiles) |
9bb2b96a | 37 | #:use-module (guix derivations) |
958dd3ce | 38 | #:use-module (guix combinators) |
b7071bc5 LC |
39 | #:use-module (guix build-system) |
40 | #:use-module (guix serialization) | |
299112d3 | 41 | #:use-module ((guix licenses) #:select (license? license-name)) |
dcfc6f21 LC |
42 | #:use-module ((guix build syscalls) |
43 | #:select (free-disk-space terminal-columns)) | |
299112d3 LC |
44 | #:use-module (srfi srfi-1) |
45 | #:use-module (srfi srfi-11) | |
2cd09108 | 46 | #:use-module (srfi srfi-19) |
073c34d7 | 47 | #:use-module (srfi srfi-26) |
2abcc97f | 48 | #:use-module (srfi srfi-31) |
073c34d7 | 49 | #:use-module (srfi srfi-34) |
c1d52c71 | 50 | #:use-module (srfi srfi-35) |
e31ff8b8 | 51 | #:autoload (ice-9 ftw) (scandir) |
64fc89b6 | 52 | #:use-module (ice-9 match) |
9bb2b96a | 53 | #:use-module (ice-9 format) |
2cd09108 | 54 | #:use-module (ice-9 regex) |
f44c7aac | 55 | #:autoload (system base compile) (compile-file) |
db030303 LC |
56 | #:autoload (system repl repl) (start-repl) |
57 | #:autoload (system repl debug) (make-debug stack->vector) | |
1cd4027c ML |
58 | #:use-module (texinfo) |
59 | #:use-module (texinfo plain-text) | |
60 | #:use-module (texinfo string-utils) | |
37eed374 LC |
61 | #:re-export (G_ N_ P_) ;backward compatibility |
62 | #:export (report-error | |
073c34d7 | 63 | leave |
7ea1432e DT |
64 | make-user-module |
65 | load* | |
4ae7559f | 66 | warn-about-load-error |
cdd5d6f9 | 67 | show-version-and-exit |
3441e164 | 68 | show-bug-report-information |
fd688c82 | 69 | make-regexp* |
969e678e | 70 | string->number* |
1d6243cf | 71 | size->number |
fa394eb9 | 72 | show-derivation-outputs |
9bb2b96a | 73 | show-what-to-build |
4d043ab6 | 74 | show-what-to-build* |
5d7a8584 | 75 | show-manifest-transaction |
073c34d7 | 76 | call-with-error-handling |
64fc89b6 | 77 | with-error-handling |
df36e629 | 78 | leave-on-EPIPE |
ac5de156 | 79 | read/eval |
eb0880e7 | 80 | read/eval-package-expression |
299112d3 LC |
81 | location->string |
82 | fill-paragraph | |
0649321d | 83 | %text-width |
2748ee3b | 84 | texi->plain-text |
1cd4027c | 85 | package-description-string |
689db38e | 86 | package-synopsis-string |
299112d3 | 87 | string->recutils |
e49951eb | 88 | package->recutils |
2876b989 | 89 | package-specification->name+version+output |
c7ae219e LC |
90 | relevance |
91 | package-relevance | |
2cd09108 NK |
92 | string->generations |
93 | string->duration | |
e49de93a | 94 | matching-generations |
ad18c7e6 LC |
95 | display-generation |
96 | display-profile-content | |
e95ae7c2 | 97 | display-profile-content-diff |
06d45f45 LC |
98 | roll-back* |
99 | switch-to-generation* | |
100 | delete-generation* | |
e49951eb | 101 | run-guix-command |
caa6732e | 102 | run-guix |
a2011be5 LC |
103 | program-name |
104 | guix-warning-port | |
105 | warning | |
240b57f0 | 106 | info |
e49951eb | 107 | guix-main)) |
073c34d7 LC |
108 | |
109 | ;;; Commentary: | |
110 | ;;; | |
111 | ;;; User interface facilities for command-line tools. | |
112 | ;;; | |
113 | ;;; Code: | |
114 | ||
b2a886f6 LC |
115 | (define-syntax-rule (define-diagnostic name prefix) |
116 | "Create a diagnostic macro (i.e., NAME), which will prepend PREFIX to all | |
117 | messages." | |
118 | (define-syntax name | |
119 | (lambda (x) | |
120 | (define (augmented-format-string fmt) | |
121 | (string-append "~:[~*~;guix ~a: ~]~a" (syntax->datum fmt))) | |
122 | ||
89d02b98 LC |
123 | (syntax-case x () |
124 | ((name (underscore fmt) args (... ...)) | |
125 | (and (string? (syntax->datum #'fmt)) | |
69daee23 | 126 | (free-identifier=? #'underscore #'G_)) |
b2a886f6 LC |
127 | (with-syntax ((fmt* (augmented-format-string #'fmt)) |
128 | (prefix (datum->syntax x prefix))) | |
129 | #'(format (guix-warning-port) (gettext fmt*) | |
130 | (program-name) (program-name) prefix | |
131 | args (... ...)))) | |
89d02b98 | 132 | ((name (N-underscore singular plural n) args (... ...)) |
b2a886f6 | 133 | (and (string? (syntax->datum #'singular)) |
89d02b98 LC |
134 | (string? (syntax->datum #'plural)) |
135 | (free-identifier=? #'N-underscore #'N_)) | |
b2a886f6 LC |
136 | (with-syntax ((s (augmented-format-string #'singular)) |
137 | (p (augmented-format-string #'plural)) | |
138 | (prefix (datum->syntax x prefix))) | |
139 | #'(format (guix-warning-port) | |
140 | (ngettext s p n %gettext-domain) | |
141 | (program-name) (program-name) prefix | |
142 | args (... ...)))))))) | |
143 | ||
144 | (define-diagnostic warning "warning: ") ; emit a warning | |
240b57f0 | 145 | (define-diagnostic info "") |
b2a886f6 LC |
146 | |
147 | (define-diagnostic report-error "error: ") | |
148 | (define-syntax-rule (leave args ...) | |
149 | "Emit an error message and exit." | |
150 | (begin | |
151 | (report-error args ...) | |
152 | (exit 1))) | |
153 | ||
dc856223 LC |
154 | (define (print-unbound-variable-error port key args default-printer) |
155 | ;; Print unbound variable errors more nicely, and in the right language. | |
156 | (match args | |
157 | ((proc message (variable) _ ...) | |
158 | ;; We can always omit PROC because when it's useful (i.e., different from | |
159 | ;; "module-lookup"), it gets displayed before. | |
160 | (format port (G_ "~a: unbound variable") variable)) | |
161 | (_ | |
162 | (default-printer)))) | |
163 | ||
164 | (set-exception-printer! 'unbound-variable print-unbound-variable-error) | |
165 | ||
7ea1432e DT |
166 | (define (make-user-module modules) |
167 | "Return a new user module with the additional MODULES loaded." | |
168 | ;; Module in which the machine description file is loaded. | |
169 | (let ((module (make-fresh-user-module))) | |
170 | (for-each (lambda (iface) | |
171 | (module-use! module (resolve-interface iface))) | |
172 | modules) | |
173 | module)) | |
174 | ||
db030303 LC |
175 | (define* (load* file user-module |
176 | #:key (on-error 'nothing-special)) | |
7ea1432e | 177 | "Load the user provided Scheme source code FILE." |
2abcc97f LC |
178 | (define (frame-with-source frame) |
179 | ;; Walk from FRAME upwards until source location information is found. | |
180 | (let loop ((frame frame) | |
181 | (previous frame)) | |
182 | (if (not frame) | |
183 | previous | |
184 | (if (frame-source frame) | |
185 | frame | |
186 | (loop (frame-previous frame) frame))))) | |
187 | ||
db030303 LC |
188 | (define (error-string frame args) |
189 | (call-with-output-string | |
f44c7aac LC |
190 | (lambda (port) |
191 | (apply display-error frame port (cdr args))))) | |
db030303 LC |
192 | |
193 | (define tag | |
194 | (make-prompt-tag "user-code")) | |
195 | ||
7ea1432e DT |
196 | (catch #t |
197 | (lambda () | |
2abcc97f | 198 | ;; XXX: Force a recompilation to avoid ABI issues. |
92423868 LC |
199 | ;; |
200 | ;; In 2.2.3, the bogus answer to <https://bugs.gnu.org/29226> was to | |
201 | ;; ignore all available .go, not just those from ~/.cache, which in turn | |
202 | ;; meant that we had to rebuild *everything*. Since this is too costly, | |
f44c7aac LC |
203 | ;; we have to turn off '%fresh-auto-compile' with that version, so to |
204 | ;; avoid ABI breakage in the user's config file, we explicitly compile | |
205 | ;; it (the problem remains if the user's config is spread on several | |
206 | ;; modules.) See <https://bugs.gnu.org/29881>. | |
7949c140 LC |
207 | (unless (string=? (version) "2.2.3") |
208 | (set! %fresh-auto-compile #t)) | |
92423868 | 209 | |
2abcc97f | 210 | (set! %load-should-auto-compile #t) |
7ea1432e DT |
211 | |
212 | (save-module-excursion | |
213 | (lambda () | |
214 | (set-current-module user-module) | |
7ea1432e | 215 | |
2abcc97f LC |
216 | ;; Hide the "auto-compiling" messages. |
217 | (parameterize ((current-warning-port (%make-void-port "w"))) | |
db030303 LC |
218 | (call-with-prompt tag |
219 | (lambda () | |
7949c140 LC |
220 | (when (string=? (version) "2.2.3") |
221 | (catch 'system-error | |
222 | (lambda () | |
223 | (compile-file file #:env user-module)) | |
224 | (const #f))) ;EACCES maybe, let's interpret it | |
225 | ||
db030303 LC |
226 | ;; Give 'load' an absolute file name so that it doesn't try to |
227 | ;; search for FILE in %LOAD-PATH. Note: use 'load', not | |
228 | ;; 'primitive-load', so that FILE is compiled, which then allows us | |
229 | ;; to provide better error reporting with source line numbers. | |
230 | (load (canonicalize-path file))) | |
231 | (const #f)))))) | |
2abcc97f LC |
232 | (lambda _ |
233 | ;; XXX: Errors are reported from the pre-unwind handler below, but | |
234 | ;; calling 'exit' from there has no effect, so we call it here. | |
235 | (exit 1)) | |
236 | (rec (handle-error . args) | |
237 | ;; Capture the stack up to this procedure call, excluded, and pass | |
238 | ;; the faulty stack frame to 'report-load-error'. | |
db030303 | 239 | (let* ((stack (make-stack #t handle-error tag)) |
2abcc97f LC |
240 | (depth (stack-length stack)) |
241 | (last (and (> depth 0) (stack-ref stack 0))) | |
242 | (frame (frame-with-source | |
243 | (if (> depth 1) | |
244 | (stack-ref stack 1) ;skip the 'throw' frame | |
245 | last)))) | |
db030303 LC |
246 | |
247 | (report-load-error file args frame) | |
248 | ||
249 | (case on-error | |
250 | ((debug) | |
251 | (newline) | |
69daee23 | 252 | (display (G_ "entering debugger; type ',bt' for a backtrace\n")) |
db030303 LC |
253 | (start-repl #:debug (make-debug (stack->vector stack) 0 |
254 | (error-string frame args) | |
255 | #f))) | |
256 | ((backtrace) | |
257 | (newline (current-error-port)) | |
258 | (display-backtrace stack (current-error-port))) | |
259 | (else | |
260 | #t)))))) | |
2abcc97f | 261 | |
a2985bb1 LC |
262 | (define (known-variable-definition variable) |
263 | "Search among the currently loaded modules one that defines a variable named | |
264 | VARIABLE and return it, or #f if none was found." | |
265 | (define (module<? m1 m2) | |
266 | (match (module-name m2) | |
267 | (('gnu _ ...) #t) | |
268 | (('guix _ ...) | |
269 | (match (module-name m1) | |
270 | (('gnu _ ...) #f) | |
271 | (_ #t))) | |
272 | (_ #f))) | |
273 | ||
b5bfa477 LC |
274 | (let loop ((modules (list (resolve-module '() #f #f #:ensure #f))) |
275 | (suggestions '()) | |
276 | (visited (setq))) | |
a2985bb1 LC |
277 | (match modules |
278 | (() | |
279 | ;; Pick the "best" suggestion. | |
280 | (match (sort suggestions module<?) | |
281 | (() #f) | |
282 | ((first _ ...) first))) | |
283 | ((head tail ...) | |
b5bfa477 LC |
284 | (if (set-contains? visited head) |
285 | (loop tail suggestions visited) | |
286 | (let ((visited (set-insert head visited)) | |
287 | (next (append tail | |
288 | (hash-map->list (lambda (name module) | |
289 | module) | |
290 | (module-submodules head))))) | |
291 | (match (module-local-variable head variable) | |
292 | (#f (loop next suggestions visited)) | |
293 | (_ | |
294 | (match (module-name head) | |
295 | (('gnu _ ...) head) ;must be that one | |
296 | (_ (loop next (cons head suggestions) visited))))))))))) | |
a2985bb1 | 297 | |
935542fb LC |
298 | (define* (display-hint message #:optional (port (current-error-port))) |
299 | "Display MESSAGE, a l10n message possibly containing Texinfo markup, to | |
300 | PORT." | |
301 | (format port (G_ "hint: ~a~%") | |
16de4555 LC |
302 | ;; XXX: We should arrange so that the initial indent is wider. |
303 | (parameterize ((%text-width (max 15 | |
304 | (- (terminal-columns) 5)))) | |
305 | (texi->plain-text message)))) | |
935542fb | 306 | |
2abcc97f | 307 | (define* (report-load-error file args #:optional frame) |
db030303 | 308 | "Report the failure to load FILE, a user-provided Scheme file. |
1151f6ae LC |
309 | ARGS is the list of arguments received by the 'throw' handler." |
310 | (match args | |
e465d9e1 | 311 | (('system-error . rest) |
1151f6ae | 312 | (let ((err (system-error-errno args))) |
69daee23 | 313 | (report-error (G_ "failed to load '~a': ~a~%") file (strerror err)))) |
a6e22d84 LC |
314 | (('read-error "scm_i_lreadparen" message _ ...) |
315 | ;; Guile's missing-paren messages are obscure so we make them more | |
316 | ;; intelligible here. | |
317 | (if (string-suffix? "end of file" message) | |
318 | (let ((location (string-drop-right message | |
319 | (string-length "end of file")))) | |
320 | (format (current-error-port) (G_ "~amissing closing parenthesis~%") | |
321 | location)) | |
322 | (apply throw args))) | |
1151f6ae LC |
323 | (('syntax-error proc message properties form . rest) |
324 | (let ((loc (source-properties->location properties))) | |
69daee23 | 325 | (format (current-error-port) (G_ "~a: error: ~a~%") |
db030303 | 326 | (location->string loc) message))) |
a2985bb1 LC |
327 | (('unbound-variable proc message (variable) _ ...) |
328 | (match args | |
329 | ((key . args) | |
330 | (print-exception (current-error-port) frame key args))) | |
331 | (match (known-variable-definition variable) | |
332 | (#f | |
333 | (display-hint (G_ "Did you forget a @code{use-modules} form?"))) | |
334 | (module | |
e42f026e | 335 | (display-hint (format #f (G_ "Did you forget @code{(use-modules ~a)}?") |
a2985bb1 | 336 | (module-name module)))))) |
23185cea | 337 | (('srfi-34 obj) |
f816dba6 | 338 | (if (message-condition? obj) |
23735137 LC |
339 | (if (error-location? obj) |
340 | (format (current-error-port) | |
341 | (G_ "~a: error: ~a~%") | |
342 | (location->string (error-location obj)) | |
343 | (gettext (condition-message obj) | |
344 | %gettext-domain)) | |
345 | (report-error (G_ "~a~%") | |
346 | (gettext (condition-message obj) | |
347 | %gettext-domain))) | |
348 | (report-error (G_ "exception thrown: ~s~%") obj)) | |
349 | (when (fix-hint? obj) | |
935542fb | 350 | (display-hint (condition-fix-hint obj)))) |
1151f6ae | 351 | ((error args ...) |
69daee23 | 352 | (report-error (G_ "failed to load '~a':~%") file) |
db030303 | 353 | (apply display-error frame (current-error-port) args)))) |
1151f6ae | 354 | |
4ae7559f LC |
355 | (define (warn-about-load-error file args) ;FIXME: factorize with ↑ |
356 | "Report the failure to load FILE, a user-provided Scheme file, without | |
357 | exiting. ARGS is the list of arguments received by the 'throw' handler." | |
358 | (match args | |
e465d9e1 | 359 | (('system-error . rest) |
4ae7559f | 360 | (let ((err (system-error-errno args))) |
69daee23 | 361 | (warning (G_ "failed to load '~a': ~a~%") file (strerror err)))) |
4ae7559f LC |
362 | (('syntax-error proc message properties form . rest) |
363 | (let ((loc (source-properties->location properties))) | |
69daee23 | 364 | (format (current-error-port) (G_ "~a: warning: ~a~%") |
4ae7559f | 365 | (location->string loc) message))) |
23185cea | 366 | (('srfi-34 obj) |
f816dba6 | 367 | (if (message-condition? obj) |
69daee23 | 368 | (warning (G_ "failed to load '~a': ~a~%") |
f816dba6 LC |
369 | file |
370 | (gettext (condition-message obj) %gettext-domain)) | |
69daee23 | 371 | (warning (G_ "failed to load '~a': exception thrown: ~s~%") |
f816dba6 | 372 | file obj))) |
4ae7559f | 373 | ((error args ...) |
69daee23 | 374 | (warning (G_ "failed to load '~a':~%") file) |
4ae7559f LC |
375 | (apply display-error #f (current-error-port) args)))) |
376 | ||
b2a886f6 LC |
377 | (define (install-locale) |
378 | "Install the current locale settings." | |
379 | (catch 'system-error | |
380 | (lambda _ | |
381 | (setlocale LC_ALL "")) | |
382 | (lambda args | |
69daee23 | 383 | (warning (G_ "failed to install locale: ~a~%") |
b2a886f6 LC |
384 | (strerror (system-error-errno args)))))) |
385 | ||
e49951eb | 386 | (define (initialize-guix) |
633f045f | 387 | "Perform the usual initialization for stand-alone Guix commands." |
ce92d269 LC |
388 | ;; By default don't annoy users with deprecation warnings. In practice, |
389 | ;; 'define-deprecated' in (ice-9 deprecated) arranges so that those warnings | |
390 | ;; are emitted at expansion-time only, but there are cases where they could | |
391 | ;; slip through, for instance when interpreting code. | |
392 | (unless (getenv "GUILE_WARN_DEPRECATED") | |
393 | (debug-disable 'warn-deprecated)) | |
394 | ||
e49951eb | 395 | (install-locale) |
39e9f95d | 396 | (textdomain %gettext-domain) |
e14c3929 LC |
397 | |
398 | ;; Ignore SIGPIPE. If the daemon closes the connection, we prefer to be | |
399 | ;; notified via an EPIPE later. | |
400 | (sigaction SIGPIPE SIG_IGN) | |
401 | ||
e49951eb MW |
402 | (setvbuf (current-output-port) _IOLBF) |
403 | (setvbuf (current-error-port) _IOLBF)) | |
404 | ||
cdd5d6f9 LC |
405 | (define* (show-version-and-exit #:optional (command (car (command-line)))) |
406 | "Display version information for COMMAND and `(exit 0)'." | |
407 | (simple-format #t "~a (~a) ~a~%" | |
408 | command %guix-package-name %guix-version) | |
92f36323 | 409 | (format #t "Copyright ~a 2018 ~a" |
d925cdc3 LC |
410 | ;; TRANSLATORS: Translate "(C)" to the copyright symbol |
411 | ;; (C-in-a-circle), if this symbol is available in the user's | |
412 | ;; locale. Otherwise, do not translate "(C)"; leave it as-is. */ | |
69daee23 LC |
413 | (G_ "(C)") |
414 | (G_ "the Guix authors\n")) | |
415 | (display (G_"\ | |
64a967cc LC |
416 | License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> |
417 | This is free software: you are free to change and redistribute it. | |
418 | There is NO WARRANTY, to the extent permitted by law. | |
419 | ")) | |
cdd5d6f9 LC |
420 | (exit 0)) |
421 | ||
3441e164 | 422 | (define (show-bug-report-information) |
cf5f2ad3 ML |
423 | ;; TRANSLATORS: The placeholder indicates the bug-reporting address for this |
424 | ;; package. Please add another line saying "Report translation bugs to | |
425 | ;; ...\n" with the address for translation bugs (typically your translation | |
426 | ;; team's web or email address). | |
69daee23 | 427 | (format #t (G_ " |
3441e164 | 428 | Report bugs to: ~a.") %guix-bug-report-address) |
69daee23 | 429 | (format #t (G_ " |
3441e164 | 430 | ~a home page: <~a>") %guix-package-name %guix-home-page-url) |
69daee23 | 431 | (display (G_ " |
3441e164 LC |
432 | General help using GNU software: <http://www.gnu.org/gethelp/>")) |
433 | (newline)) | |
434 | ||
e7ff0543 LC |
435 | (define (augmented-system-error-handler file) |
436 | "Return a 'system-error' handler that mentions FILE in its message." | |
437 | (lambda (key proc fmt args errno) | |
438 | ;; Augment the FMT and ARGS with information about TARGET (this | |
439 | ;; information is missing as of Guile 2.0.11, making the exception | |
440 | ;; uninformative.) | |
441 | (apply throw key proc "~A: ~S" | |
442 | (list (strerror (car errno)) file) | |
443 | (list errno)))) | |
444 | ||
445 | (define-syntax-rule (error-reporting-wrapper proc (args ...) file) | |
446 | "Wrap PROC such that its 'system-error' exceptions are augmented to mention | |
447 | FILE." | |
448 | (let ((real-proc (@ (guile) proc))) | |
449 | (lambda (args ...) | |
450 | (catch 'system-error | |
451 | (lambda () | |
452 | (real-proc args ...)) | |
453 | (augmented-system-error-handler file))))) | |
454 | ||
7522a016 LC |
455 | (set! symlink |
456 | ;; We 'set!' the global binding because (gnu build ...) modules and similar | |
457 | ;; typically don't use (guix ui). | |
e7ff0543 | 458 | (error-reporting-wrapper symlink (source target) target)) |
44fd6ef1 | 459 | |
9b14107f LC |
460 | (set! copy-file |
461 | ;; Note: here we use 'set!', not #:replace, because UIs typically use | |
462 | ;; 'copy-recursively', which doesn't use (guix ui). | |
e7ff0543 LC |
463 | (error-reporting-wrapper copy-file (source target) target)) |
464 | ||
6d30b1b2 LC |
465 | (set! canonicalize-path |
466 | (error-reporting-wrapper canonicalize-path (file) file)) | |
467 | ||
9b14107f | 468 | |
fd688c82 LC |
469 | (define (make-regexp* regexp . flags) |
470 | "Like 'make-regexp' but error out if REGEXP is invalid, reporting the error | |
471 | nicely." | |
472 | (catch 'regular-expression-syntax | |
473 | (lambda () | |
474 | (apply make-regexp regexp flags)) | |
475 | (lambda (key proc message . rest) | |
69daee23 | 476 | (leave (G_ "'~a' is not a valid regular expression: ~a~%") |
fd688c82 LC |
477 | regexp message)))) |
478 | ||
969e678e LC |
479 | (define (string->number* str) |
480 | "Like `string->number', but error out with an error message on failure." | |
481 | (or (string->number str) | |
69daee23 | 482 | (leave (G_ "~a: invalid number~%") str))) |
969e678e | 483 | |
1d6243cf LC |
484 | (define (size->number str) |
485 | "Convert STR, a storage measurement representation such as \"1024\" or | |
486 | \"1MiB\", to a number of bytes. Raise an error if STR could not be | |
487 | interpreted." | |
488 | (define unit-pos | |
489 | (string-rindex str char-set:digit)) | |
490 | ||
491 | (define unit | |
492 | (and unit-pos (substring str (+ 1 unit-pos)))) | |
493 | ||
494 | (let* ((numstr (if unit-pos | |
495 | (substring str 0 (+ 1 unit-pos)) | |
496 | str)) | |
497 | (num (string->number numstr))) | |
498 | (unless num | |
69daee23 | 499 | (leave (G_ "invalid number: ~a~%") numstr)) |
1d6243cf LC |
500 | |
501 | ((compose inexact->exact round) | |
502 | (* num | |
503 | (match unit | |
4a44d7bb LC |
504 | ((or "KiB" "K" "k") (expt 2 10)) |
505 | ((or "MiB" "M") (expt 2 20)) | |
506 | ((or "GiB" "G") (expt 2 30)) | |
507 | ((or "TiB" "T") (expt 2 40)) | |
508 | ((or "PiB" "P") (expt 2 50)) | |
509 | ((or "EiB" "E") (expt 2 60)) | |
510 | ((or "ZiB" "Z") (expt 2 70)) | |
511 | ((or "YiB" "Y") (expt 2 80)) | |
512 | ("kB" (expt 10 3)) | |
1d6243cf LC |
513 | ("MB" (expt 10 6)) |
514 | ("GB" (expt 10 9)) | |
515 | ("TB" (expt 10 12)) | |
4a44d7bb LC |
516 | ("PB" (expt 10 15)) |
517 | ("EB" (expt 10 18)) | |
518 | ("ZB" (expt 10 21)) | |
519 | ("YB" (expt 10 24)) | |
1d6243cf | 520 | ("" 1) |
e465d9e1 | 521 | (x |
69daee23 | 522 | (leave (G_ "unknown unit: ~a~%") unit))))))) |
1d6243cf | 523 | |
3b80b813 LC |
524 | (define (display-collision-resolution-hint collision) |
525 | "Display hints on how to resolve COLLISION, a &profile-collistion-error." | |
526 | (define (top-most-entry entry) | |
527 | (let loop ((entry entry)) | |
528 | (match (force (manifest-entry-parent entry)) | |
529 | (#f entry) | |
530 | (parent (loop parent))))) | |
531 | ||
532 | (let* ((first (profile-collision-error-entry collision)) | |
533 | (second (profile-collision-error-conflict collision)) | |
534 | (name1 (manifest-entry-name (top-most-entry first))) | |
535 | (name2 (manifest-entry-name (top-most-entry second)))) | |
536 | (if (string=? name1 name2) | |
537 | (display-hint (format #f (G_ "You cannot have two different versions | |
538 | or variants of @code{~a} in the same profile.") | |
539 | name1)) | |
540 | (display-hint (format #f (G_ "Try upgrading both @code{~a} and @code{~a}, | |
541 | or remove one of them from the profile.") | |
542 | name1 name2))))) | |
543 | ||
073c34d7 LC |
544 | (define (call-with-error-handling thunk) |
545 | "Call THUNK within a user-friendly error handler." | |
bec7f352 LC |
546 | (define (port-filename* port) |
547 | ;; 'port-filename' returns #f for non-file ports, but it raises an | |
548 | ;; exception for file ports that are closed. Work around that. | |
549 | (and (not (port-closed? port)) | |
550 | (port-filename port))) | |
551 | ||
073c34d7 LC |
552 | (guard (c ((package-input-error? c) |
553 | (let* ((package (package-error-package c)) | |
554 | (input (package-error-invalid-input c)) | |
555 | (location (package-location package)) | |
556 | (file (location-file location)) | |
557 | (line (location-line location)) | |
558 | (column (location-column location))) | |
69daee23 | 559 | (leave (G_ "~a:~a:~a: package `~a' has an invalid input: ~s~%") |
073c34d7 LC |
560 | file line column |
561 | (package-full-name package) input))) | |
9b222abe LC |
562 | ((package-cross-build-system-error? c) |
563 | (let* ((package (package-error-package c)) | |
564 | (loc (package-location package)) | |
565 | (system (package-build-system package))) | |
69daee23 | 566 | (leave (G_ "~a: ~a: build system `~a' does not support cross builds~%") |
9b222abe LC |
567 | (location->string loc) |
568 | (package-full-name package) | |
569 | (build-system-name system)))) | |
3e43166f LC |
570 | ((gexp-input-error? c) |
571 | (let ((input (package-error-invalid-input c))) | |
69daee23 | 572 | (leave (G_ "~s: invalid G-expression input~%") |
3e43166f | 573 | (gexp-error-invalid-input c)))) |
c0c018f1 | 574 | ((profile-not-found-error? c) |
69daee23 | 575 | (leave (G_ "profile '~a' does not exist~%") |
c0c018f1 AK |
576 | (profile-error-profile c))) |
577 | ((missing-generation-error? c) | |
69daee23 | 578 | (leave (G_ "generation ~a of profile '~a' does not exist~%") |
c0c018f1 AK |
579 | (missing-generation-error-generation c) |
580 | (profile-error-profile c))) | |
a654dc4b LC |
581 | ((profile-collision-error? c) |
582 | (let ((entry (profile-collision-error-entry c)) | |
583 | (conflict (profile-collision-error-conflict c))) | |
584 | (define (report-parent-entries entry) | |
585 | (let ((parent (force (manifest-entry-parent entry)))) | |
586 | (when (manifest-entry? parent) | |
587 | (report-error (G_ " ... propagated from ~a@~a~%") | |
588 | (manifest-entry-name parent) | |
589 | (manifest-entry-version parent)) | |
590 | (report-parent-entries parent)))) | |
591 | ||
0d2ecf8b LC |
592 | (define (manifest-entry-output* entry) |
593 | (match (manifest-entry-output entry) | |
594 | ("out" "") | |
595 | (output (string-append ":" output)))) | |
596 | ||
3fb6464b | 597 | (report-error (G_ "profile contains conflicting entries for ~a~a~%") |
a654dc4b | 598 | (manifest-entry-name entry) |
3fb6464b | 599 | (manifest-entry-output* entry)) |
0d2ecf8b | 600 | (report-error (G_ " first entry: ~a@~a~a ~a~%") |
a654dc4b LC |
601 | (manifest-entry-name entry) |
602 | (manifest-entry-version entry) | |
0d2ecf8b | 603 | (manifest-entry-output* entry) |
a654dc4b LC |
604 | (manifest-entry-item entry)) |
605 | (report-parent-entries entry) | |
0d2ecf8b | 606 | (report-error (G_ " second entry: ~a@~a~a ~a~%") |
a654dc4b LC |
607 | (manifest-entry-name conflict) |
608 | (manifest-entry-version conflict) | |
0d2ecf8b | 609 | (manifest-entry-output* conflict) |
a654dc4b LC |
610 | (manifest-entry-item conflict)) |
611 | (report-parent-entries conflict) | |
3b80b813 | 612 | (display-collision-resolution-hint c) |
a654dc4b | 613 | (exit 1))) |
b7071bc5 LC |
614 | ((nar-error? c) |
615 | (let ((file (nar-error-file c)) | |
616 | (port (nar-error-port c))) | |
617 | (if file | |
69daee23 | 618 | (leave (G_ "corrupt input while restoring '~a' from ~s~%") |
bec7f352 | 619 | file (or (port-filename* port) port)) |
69daee23 | 620 | (leave (G_ "corrupt input while restoring archive from ~s~%") |
bec7f352 | 621 | (or (port-filename* port) port))))) |
ef86c39f | 622 | ((nix-connection-error? c) |
69daee23 | 623 | (leave (G_ "failed to connect to `~a': ~a~%") |
ef86c39f LC |
624 | (nix-connection-error-file c) |
625 | (strerror (nix-connection-error-code c)))) | |
073c34d7 LC |
626 | ((nix-protocol-error? c) |
627 | ;; FIXME: Server-provided error messages aren't i18n'd. | |
69daee23 | 628 | (leave (G_ "build failed: ~a~%") |
c1d52c71 | 629 | (nix-protocol-error-message c))) |
f304c9c2 | 630 | ((derivation-missing-output-error? c) |
69daee23 | 631 | (leave (G_ "reference to invalid output '~a' of derivation '~a'~%") |
f304c9c2 LC |
632 | (derivation-missing-output c) |
633 | (derivation-file-name (derivation-error-derivation c)))) | |
d26e1967 | 634 | ((file-search-error? c) |
69daee23 | 635 | (leave (G_ "file '~a' could not be found in these \ |
d26e1967 LC |
636 | directories:~{ ~a~}~%") |
637 | (file-search-error-file-name c) | |
638 | (file-search-error-search-path c))) | |
23735137 LC |
639 | ((and (error-location? c) (message-condition? c)) |
640 | (format (current-error-port) | |
641 | (G_ "~a: error: ~a~%") | |
642 | (location->string (error-location c)) | |
399993f8 | 643 | (gettext (condition-message c) %gettext-domain)) |
e1ba6d49 LC |
644 | (when (fix-hint? c) |
645 | (display-hint (condition-fix-hint c))) | |
399993f8 | 646 | (exit 1)) |
4a8d536f LC |
647 | ((and (message-condition? c) (fix-hint? c)) |
648 | (format (current-error-port) "~a: error: ~a~%" | |
649 | (program-name) | |
650 | (gettext (condition-message c) %gettext-domain)) | |
651 | (display-hint (condition-fix-hint c)) | |
652 | (exit 1)) | |
c1d52c71 LC |
653 | ((message-condition? c) |
654 | ;; Normally '&message' error conditions have an i18n'd message. | |
69daee23 | 655 | (leave (G_ "~a~%") |
12703d08 | 656 | (gettext (condition-message c) %gettext-domain)))) |
e14c3929 LC |
657 | ;; Catch EPIPE and the likes. |
658 | (catch 'system-error | |
659 | thunk | |
bde8c0e6 | 660 | (lambda (key proc format-string format-args . rest) |
69daee23 | 661 | (leave (G_ "~a: ~a~%") proc |
bde8c0e6 | 662 | (apply format #f format-string format-args)))))) |
073c34d7 | 663 | |
df36e629 LC |
664 | (define-syntax-rule (leave-on-EPIPE exp ...) |
665 | "Run EXP... in a context when EPIPE errors are caught and lead to 'exit' | |
666 | with successful exit code. This is useful when writing to the standard output | |
667 | may lead to EPIPE, because the standard output is piped through 'head' or | |
668 | similar." | |
669 | (catch 'system-error | |
670 | (lambda () | |
671 | exp ...) | |
672 | (lambda args | |
673 | ;; We really have to exit this brutally, otherwise Guile eventually | |
674 | ;; attempts to flush all the ports, leading to an uncaught EPIPE down | |
675 | ;; the path. | |
676 | (if (= EPIPE (system-error-errno args)) | |
677 | (primitive-_exit 0) | |
678 | (apply throw args))))) | |
679 | ||
56b82106 LC |
680 | (define %guix-user-module |
681 | ;; Module in which user expressions are evaluated. | |
07254feb LC |
682 | ;; Compute lazily to avoid circularity with (guix gexp). |
683 | (delay | |
684 | (let ((module (make-module))) | |
685 | (beautify-user-module! module) | |
686 | ;; Use (guix gexp) so that one can use #~ & co. | |
687 | (module-use! module (resolve-interface '(guix gexp))) | |
688 | module))) | |
56b82106 | 689 | |
ac5de156 LC |
690 | (define (read/eval str) |
691 | "Read and evaluate STR, raising an error if something goes wrong." | |
eb0880e7 LC |
692 | (let ((exp (catch #t |
693 | (lambda () | |
694 | (call-with-input-string str read)) | |
695 | (lambda args | |
69daee23 | 696 | (leave (G_ "failed to read expression ~s: ~s~%") |
eb0880e7 | 697 | str args))))) |
ac5de156 LC |
698 | (catch #t |
699 | (lambda () | |
07254feb | 700 | (eval exp (force %guix-user-module))) |
ac5de156 | 701 | (lambda args |
69daee23 | 702 | (report-error (G_ "failed to evaluate expression '~a':~%") exp) |
41766807 LC |
703 | (match args |
704 | (('syntax-error proc message properties form . rest) | |
69daee23 | 705 | (report-error (G_ "syntax error: ~a~%") message)) |
23185cea | 706 | (('srfi-34 obj) |
f816dba6 | 707 | (if (message-condition? obj) |
69daee23 | 708 | (report-error (G_ "~a~%") |
f816dba6 LC |
709 | (gettext (condition-message obj) |
710 | %gettext-domain)) | |
69daee23 | 711 | (report-error (G_ "exception thrown: ~s~%") obj))) |
41766807 LC |
712 | ((error args ...) |
713 | (apply display-error #f (current-error-port) args)) | |
714 | (what? #f)) | |
715 | (exit 1))))) | |
ac5de156 LC |
716 | |
717 | (define (read/eval-package-expression str) | |
718 | "Read and evaluate STR and return the package it refers to, or exit an | |
719 | error." | |
720 | (match (read/eval str) | |
721 | ((? package? p) p) | |
e465d9e1 | 722 | (x |
69daee23 | 723 | (leave (G_ "expression ~s does not evaluate to a package~%") |
ac5de156 | 724 | str)))) |
eb0880e7 | 725 | |
fa394eb9 AK |
726 | (define (show-derivation-outputs derivation) |
727 | "Show the output file names of DERIVATION." | |
728 | (format #t "~{~a~%~}" | |
729 | (map (match-lambda | |
730 | ((out-name . out) | |
731 | (derivation->output-path derivation out-name))) | |
732 | (derivation-outputs derivation)))) | |
733 | ||
dcfc6f21 LC |
734 | (define (check-available-space need) |
735 | "Make sure at least NEED bytes are available in the store. Otherwise emit a | |
736 | warning." | |
737 | (let ((free (catch 'system-error | |
738 | (lambda () | |
739 | (free-disk-space (%store-prefix))) | |
740 | (const #f)))) | |
741 | (when (and free (>= need free)) | |
742 | (warning (G_ "at least ~,1h MB needed but only ~,1h MB available in ~a~%") | |
743 | (/ need 1e6) (/ free 1e6) (%store-prefix))))) | |
744 | ||
dd36b51b | 745 | (define* (show-what-to-build store drv |
58c08df0 LC |
746 | #:key dry-run? (use-substitutes? #t) |
747 | (mode (build-mode normal))) | |
9bb2b96a | 748 | "Show what will or would (depending on DRY-RUN?) be built in realizing the |
58c08df0 LC |
749 | derivations listed in DRV using MODE, a 'build-mode' value. Return #t if |
750 | there's something to build, #f otherwise. When USE-SUBSTITUTES?, check and | |
751 | report what is prerequisites are available for download." | |
2dc98729 | 752 | (define substitutable-info |
e9651e39 LC |
753 | ;; Call 'substitutation-oracle' upfront so we don't end up launching the |
754 | ;; substituter many times. This makes a big difference, especially when | |
755 | ;; DRV is a long list as is the case with 'guix environment'. | |
756 | (if use-substitutes? | |
58c08df0 | 757 | (substitution-oracle store drv #:mode mode) |
e9651e39 LC |
758 | (const #f))) |
759 | ||
52ddf2ae | 760 | (define (built-or-substitutable? drv) |
f304c9c2 LC |
761 | (or (null? (derivation-outputs drv)) |
762 | (let ((out (derivation->output-path drv))) ;XXX: assume "out" exists | |
52ddf2ae | 763 | (or (valid-path? store out) |
2dc98729 | 764 | (substitutable-info out))))) |
52ddf2ae | 765 | |
dd36b51b | 766 | (let*-values (((build download) |
59688fc4 LC |
767 | (fold2 (lambda (drv build download) |
768 | (let-values (((b d) | |
769 | (derivation-prerequisites-to-build | |
770 | store drv | |
58c08df0 | 771 | #:mode mode |
2dc98729 LC |
772 | #:substitutable-info |
773 | substitutable-info))) | |
59688fc4 LC |
774 | (values (append b build) |
775 | (append d download)))) | |
dd36b51b LC |
776 | '() '() |
777 | drv)) | |
778 | ((build) ; add the DRV themselves | |
779 | (delete-duplicates | |
59688fc4 | 780 | (append (map derivation-file-name |
52ddf2ae | 781 | (remove built-or-substitutable? drv)) |
dd36b51b LC |
782 | (map derivation-input-path build)))) |
783 | ((download) ; add the references of DOWNLOAD | |
1a8b7834 LC |
784 | (if use-substitutes? |
785 | (delete-duplicates | |
786 | (append download | |
2dc98729 LC |
787 | (filter-map (lambda (item) |
788 | (if (valid-path? store item) | |
789 | #f | |
790 | (substitutable-info item))) | |
791 | (append-map | |
792 | substitutable-references | |
793 | download)))) | |
1a8b7834 | 794 | download))) |
dcfc6f21 LC |
795 | (define installed-size |
796 | (reduce + 0 (map substitutable-nar-size download))) | |
797 | ||
d9bad2f0 LC |
798 | (define download-size |
799 | (/ (reduce + 0 (map substitutable-download-size download)) | |
800 | 1e6)) | |
801 | ||
802 | (define display-download-size? | |
803 | ;; Sometimes narinfos lack information about the download size. Only | |
804 | ;; display when we have information for all of DOWNLOAD. | |
805 | (not (any (compose zero? substitutable-download-size) download))) | |
806 | ||
9bb2b96a | 807 | (if dry-run? |
dd36b51b LC |
808 | (begin |
809 | (format (current-error-port) | |
83e61a73 LC |
810 | (N_ "~:[The following derivation would be built:~%~{ ~a~%~}~;~]" |
811 | "~:[The following derivations would be built:~%~{ ~a~%~}~;~]" | |
dd36b51b LC |
812 | (length build)) |
813 | (null? build) build) | |
d9bad2f0 LC |
814 | (if display-download-size? |
815 | (format (current-error-port) | |
816 | ;; TRANSLATORS: "MB" is for "megabyte"; it should be | |
817 | ;; translated to the corresponding abbreviation. | |
818 | (G_ "~:[~,1h MB would be downloaded:~%~{ ~a~%~}~;~]") | |
819 | (null? download) | |
820 | download-size | |
821 | (map substitutable-path download)) | |
822 | (format (current-error-port) | |
823 | (N_ "~:[The following file would be downloaded:~%~{ ~a~%~}~;~]" | |
824 | "~:[The following files would be downloaded:~%~{ ~a~%~}~;~]" | |
825 | (length download)) | |
826 | (null? download) | |
827 | (map substitutable-path download)))) | |
dd36b51b LC |
828 | (begin |
829 | (format (current-error-port) | |
83e61a73 LC |
830 | (N_ "~:[The following derivation will be built:~%~{ ~a~%~}~;~]" |
831 | "~:[The following derivations will be built:~%~{ ~a~%~}~;~]" | |
dd36b51b LC |
832 | (length build)) |
833 | (null? build) build) | |
d9bad2f0 LC |
834 | (if display-download-size? |
835 | (format (current-error-port) | |
836 | ;; TRANSLATORS: "MB" is for "megabyte"; it should be | |
837 | ;; translated to the corresponding abbreviation. | |
838 | (G_ "~:[~,1h MB will be downloaded:~%~{ ~a~%~}~;~]") | |
839 | (null? download) | |
840 | download-size | |
841 | (map substitutable-path download)) | |
842 | (format (current-error-port) | |
843 | (N_ "~:[The following file will be downloaded:~%~{ ~a~%~}~;~]" | |
844 | "~:[The following files will be downloaded:~%~{ ~a~%~}~;~]" | |
845 | (length download)) | |
846 | (null? download) | |
847 | (map substitutable-path download))))) | |
dcfc6f21 LC |
848 | |
849 | (check-available-space installed-size) | |
850 | ||
dd36b51b | 851 | (pair? build))) |
9bb2b96a | 852 | |
4d043ab6 DT |
853 | (define show-what-to-build* |
854 | (store-lift show-what-to-build)) | |
855 | ||
5d7a8584 AK |
856 | (define (right-arrow port) |
857 | "Return either a string containing the 'RIGHT ARROW' character, or an ASCII | |
858 | replacement if PORT is not Unicode-capable." | |
1062063a LC |
859 | (let ((encoding (port-encoding port)) |
860 | (arrow "→")) | |
861 | (catch 'encoding-error | |
862 | (lambda () | |
863 | (call-with-output-string | |
864 | (lambda (port) | |
865 | (set-port-encoding! port encoding) | |
866 | (set-port-conversion-strategy! port 'error) | |
867 | (display arrow port)))) | |
868 | (lambda (key . args) | |
869 | "->")))) | |
5d7a8584 AK |
870 | |
871 | (define* (show-manifest-transaction store manifest transaction | |
872 | #:key dry-run?) | |
873 | "Display what will/would be installed/removed from MANIFEST by TRANSACTION." | |
874 | (define (package-strings name version output item) | |
875 | (map (lambda (name version output item) | |
876 | (format #f " ~a~:[:~a~;~*~]\t~a\t~a" | |
877 | name | |
878 | (equal? output "out") output version | |
879 | (if (package? item) | |
880 | (package-output store item output) | |
881 | item))) | |
882 | name version output item)) | |
883 | ||
884 | (define → ;an arrow that can be represented on stderr | |
885 | (right-arrow (current-error-port))) | |
886 | ||
887 | (define (upgrade-string name old-version new-version output item) | |
888 | (format #f " ~a~:[:~a~;~*~]\t~a ~a ~a\t~a" | |
889 | name (equal? output "out") output | |
890 | old-version → new-version | |
891 | (if (package? item) | |
892 | (package-output store item output) | |
893 | item))) | |
894 | ||
46b23e1a | 895 | (let-values (((remove install upgrade downgrade) |
5d7a8584 AK |
896 | (manifest-transaction-effects manifest transaction))) |
897 | (match remove | |
898 | ((($ <manifest-entry> name version output item) ..1) | |
899 | (let ((len (length name)) | |
900 | (remove (package-strings name version output item))) | |
901 | (if dry-run? | |
902 | (format (current-error-port) | |
903 | (N_ "The following package would be removed:~%~{~a~%~}~%" | |
904 | "The following packages would be removed:~%~{~a~%~}~%" | |
905 | len) | |
906 | remove) | |
907 | (format (current-error-port) | |
908 | (N_ "The following package will be removed:~%~{~a~%~}~%" | |
909 | "The following packages will be removed:~%~{~a~%~}~%" | |
910 | len) | |
911 | remove)))) | |
30906825 | 912 | (x #f)) |
46b23e1a LC |
913 | (match downgrade |
914 | (((($ <manifest-entry> name old-version) | |
915 | . ($ <manifest-entry> _ new-version output item)) ..1) | |
916 | (let ((len (length name)) | |
917 | (downgrade (map upgrade-string | |
918 | name old-version new-version output item))) | |
919 | (if dry-run? | |
920 | (format (current-error-port) | |
921 | (N_ "The following package would be downgraded:~%~{~a~%~}~%" | |
922 | "The following packages would be downgraded:~%~{~a~%~}~%" | |
923 | len) | |
924 | downgrade) | |
925 | (format (current-error-port) | |
926 | (N_ "The following package will be downgraded:~%~{~a~%~}~%" | |
927 | "The following packages will be downgraded:~%~{~a~%~}~%" | |
928 | len) | |
929 | downgrade)))) | |
30906825 | 930 | (x #f)) |
5d7a8584 AK |
931 | (match upgrade |
932 | (((($ <manifest-entry> name old-version) | |
933 | . ($ <manifest-entry> _ new-version output item)) ..1) | |
934 | (let ((len (length name)) | |
935 | (upgrade (map upgrade-string | |
936 | name old-version new-version output item))) | |
937 | (if dry-run? | |
938 | (format (current-error-port) | |
939 | (N_ "The following package would be upgraded:~%~{~a~%~}~%" | |
940 | "The following packages would be upgraded:~%~{~a~%~}~%" | |
941 | len) | |
942 | upgrade) | |
943 | (format (current-error-port) | |
944 | (N_ "The following package will be upgraded:~%~{~a~%~}~%" | |
945 | "The following packages will be upgraded:~%~{~a~%~}~%" | |
946 | len) | |
947 | upgrade)))) | |
30906825 | 948 | (x #f)) |
5d7a8584 AK |
949 | (match install |
950 | ((($ <manifest-entry> name version output item _) ..1) | |
951 | (let ((len (length name)) | |
952 | (install (package-strings name version output item))) | |
953 | (if dry-run? | |
954 | (format (current-error-port) | |
955 | (N_ "The following package would be installed:~%~{~a~%~}~%" | |
956 | "The following packages would be installed:~%~{~a~%~}~%" | |
957 | len) | |
958 | install) | |
959 | (format (current-error-port) | |
960 | (N_ "The following package will be installed:~%~{~a~%~}~%" | |
961 | "The following packages will be installed:~%~{~a~%~}~%" | |
962 | len) | |
963 | install)))) | |
30906825 | 964 | (x #f)))) |
5d7a8584 | 965 | |
073c34d7 LC |
966 | (define-syntax with-error-handling |
967 | (syntax-rules () | |
968 | "Run BODY within a user-friendly error condition handler." | |
969 | ((_ body ...) | |
970 | (call-with-error-handling | |
971 | (lambda () | |
972 | body ...))))) | |
973 | ||
64fc89b6 LC |
974 | (define (location->string loc) |
975 | "Return a human-friendly, GNU-standard representation of LOC." | |
976 | (match loc | |
69daee23 | 977 | (#f (G_ "<unknown location>")) |
64fc89b6 LC |
978 | (($ <location> file line column) |
979 | (format #f "~a:~a:~a" file line column)))) | |
980 | ||
299112d3 LC |
981 | (define* (fill-paragraph str width #:optional (column 0)) |
982 | "Fill STR such that each line contains at most WIDTH characters, assuming | |
983 | that the first character is at COLUMN. | |
984 | ||
985 | When STR contains a single line break surrounded by other characters, it is | |
986 | converted to a space; sequences of more than one line break are preserved." | |
987 | (define (maybe-break chr result) | |
988 | (match result | |
989 | ((column newlines chars) | |
990 | (case chr | |
991 | ((#\newline) | |
992 | `(,column ,(+ 1 newlines) ,chars)) | |
993 | (else | |
3a09e1d2 CS |
994 | (let* ((spaces (if (and (pair? chars) (eqv? (car chars) #\.)) 2 1)) |
995 | (chars (case newlines | |
996 | ((0) chars) | |
997 | ((1) | |
998 | (append (make-list spaces #\space) chars)) | |
999 | (else | |
1000 | (append (make-list newlines #\newline) chars)))) | |
1001 | (column (case newlines | |
1002 | ((0) column) | |
1003 | ((1) (+ spaces column)) | |
1004 | (else 0)))) | |
299112d3 LC |
1005 | (let ((chars (cons chr chars)) |
1006 | (column (+ 1 column))) | |
1007 | (if (> column width) | |
1008 | (let*-values (((before after) | |
1009 | (break (cut eqv? #\space <>) chars)) | |
1010 | ((len) | |
1011 | (length before))) | |
1012 | (if (<= len width) | |
1013 | `(,len | |
1014 | 0 | |
1015 | ,(if (null? after) | |
1016 | before | |
3a09e1d2 CS |
1017 | (append before |
1018 | (cons #\newline | |
1019 | (drop-while (cut eqv? #\space <>) | |
1020 | after))))) | |
299112d3 LC |
1021 | `(,column 0 ,chars))) ; unbreakable |
1022 | `(,column 0 ,chars))))))))) | |
1023 | ||
1024 | (match (string-fold maybe-break | |
1025 | `(,column 0 ()) | |
1026 | str) | |
30906825 | 1027 | ((column newlines chars) |
299112d3 LC |
1028 | (list->string (reverse chars))))) |
1029 | ||
2876b989 LC |
1030 | \f |
1031 | ;;; | |
1032 | ;;; Packages. | |
1033 | ;;; | |
1034 | ||
1cd4027c | 1035 | (define %text-width |
9703fef4 | 1036 | (make-parameter (terminal-columns))) |
1cd4027c ML |
1037 | |
1038 | (set! (@@ (texinfo plain-text) wrap*) | |
1039 | ;; XXX: Monkey patch this private procedure to let 'package->recutils' | |
1040 | ;; parameterize the fill of description field correctly. | |
1041 | (lambda strings | |
1042 | (let ((indent (fluid-ref (@@ (texinfo plain-text) *indent*)))) | |
1043 | (fill-string (string-concatenate strings) | |
1044 | #:line-width (%text-width) #:initial-indent indent | |
1045 | #:subsequent-indent indent)))) | |
1046 | ||
1047 | (define (texi->plain-text str) | |
1048 | "Return a plain-text representation of texinfo fragment STR." | |
08d7e359 LC |
1049 | ;; 'texi-fragment->stexi' uses a string port so make sure it's a |
1050 | ;; Unicode-capable one (see <http://bugs.gnu.org/11197>.) | |
1051 | (with-fluids ((%default-port-encoding "UTF-8")) | |
1052 | (stexi->plain-text (texi-fragment->stexi str)))) | |
1cd4027c | 1053 | |
689db38e AK |
1054 | (define (package-field-string package field-accessor) |
1055 | "Return a plain-text representation of PACKAGE field." | |
1056 | (and=> (field-accessor package) | |
1057 | (compose texi->plain-text P_))) | |
1058 | ||
1cd4027c ML |
1059 | (define (package-description-string package) |
1060 | "Return a plain-text representation of PACKAGE description field." | |
689db38e AK |
1061 | (package-field-string package package-description)) |
1062 | ||
1063 | (define (package-synopsis-string package) | |
1064 | "Return a plain-text representation of PACKAGE synopsis field." | |
1065 | (package-field-string package package-synopsis)) | |
1cd4027c | 1066 | |
299112d3 LC |
1067 | (define (string->recutils str) |
1068 | "Return a version of STR where newlines have been replaced by newlines | |
1069 | followed by \"+ \", which makes for a valid multi-line field value in the | |
1070 | `recutils' syntax." | |
1071 | (list->string | |
1072 | (string-fold-right (lambda (chr result) | |
1073 | (if (eqv? chr #\newline) | |
1074 | (cons* chr #\+ #\space result) | |
1075 | (cons chr result))) | |
1076 | '() | |
1077 | str))) | |
1078 | ||
4ee79f22 LC |
1079 | (define* (package->recutils p port #:optional (width (%text-width)) |
1080 | #:key (extra-fields '())) | |
299112d3 | 1081 | "Write to PORT a `recutils' record of package P, arranging to fit within |
4ee79f22 | 1082 | WIDTH columns. EXTRA-FIELDS is a list of symbol/value pairs to emit." |
069d43a7 LC |
1083 | (define width* |
1084 | ;; The available number of columns once we've taken into account space for | |
1085 | ;; the initial "+ " prefix. | |
1086 | (if (> width 2) (- width 2) width)) | |
1087 | ||
20ffce82 | 1088 | (define (dependencies->recutils packages) |
dbde386e SB |
1089 | (let ((list (string-join (delete-duplicates |
1090 | (map package-full-name | |
1091 | (sort packages package<?))) " "))) | |
20ffce82 | 1092 | (string->recutils |
069d43a7 | 1093 | (fill-paragraph list width* |
20ffce82 LC |
1094 | (string-length "dependencies: "))))) |
1095 | ||
9c0fc279 CR |
1096 | (define (package<? p1 p2) |
1097 | (string<? (package-full-name p1) (package-full-name p2))) | |
1098 | ||
299112d3 LC |
1099 | ;; Note: Don't i18n field names so that people can post-process it. |
1100 | (format port "name: ~a~%" (package-name p)) | |
1101 | (format port "version: ~a~%" (package-version p)) | |
6bf99bac | 1102 | (format port "outputs: ~a~%" (string-join (package-outputs p))) |
5763ad92 LC |
1103 | (format port "systems: ~a~%" |
1104 | (string-join (package-transitive-supported-systems p))) | |
9c0fc279 CR |
1105 | (format port "dependencies: ~a~%" |
1106 | (match (package-direct-inputs p) | |
5e6feee6 EB |
1107 | (((labels inputs . _) ...) |
1108 | (dependencies->recutils (filter package? inputs))))) | |
299112d3 LC |
1109 | (format port "location: ~a~%" |
1110 | (or (and=> (package-location p) location->string) | |
69daee23 | 1111 | (G_ "unknown"))) |
8fa3e6b3 LC |
1112 | |
1113 | ;; Note: Starting from version 1.6 or recutils, hyphens are not allowed in | |
1114 | ;; field identifiers. | |
1115 | (format port "homepage: ~a~%" (package-home-page p)) | |
1116 | ||
299112d3 LC |
1117 | (format port "license: ~a~%" |
1118 | (match (package-license p) | |
1119 | (((? license? licenses) ...) | |
1120 | (string-join (map license-name licenses) | |
1121 | ", ")) | |
1122 | ((? license? license) | |
1123 | (license-name license)) | |
1124 | (x | |
69daee23 | 1125 | (G_ "unknown")))) |
299112d3 LC |
1126 | (format port "synopsis: ~a~%" |
1127 | (string-map (match-lambda | |
4ee79f22 LC |
1128 | (#\newline #\space) |
1129 | (chr chr)) | |
689db38e | 1130 | (or (and=> (package-synopsis-string p) P_) |
299112d3 | 1131 | ""))) |
4ee79f22 | 1132 | (format port "~a~%" |
1cd4027c ML |
1133 | (string->recutils |
1134 | (string-trim-right | |
069d43a7 | 1135 | (parameterize ((%text-width width*)) |
1cd4027c ML |
1136 | (texi->plain-text |
1137 | (string-append "description: " | |
1138 | (or (and=> (package-description p) P_) | |
1139 | "")))) | |
4ee79f22 LC |
1140 | #\newline))) |
1141 | (for-each (match-lambda | |
1142 | ((field . value) | |
1143 | (let ((field (symbol->string field))) | |
1144 | (format port "~a: ~a~%" | |
1145 | field | |
1146 | (fill-paragraph (object->string value) width* | |
1147 | (string-length field)))))) | |
1148 | extra-fields) | |
1149 | (newline port)) | |
299112d3 | 1150 | |
c7ae219e LC |
1151 | (define (relevance obj regexps metrics) |
1152 | "Compute a \"relevance score\" for OBJ as a function of its number of | |
1153 | matches of REGEXPS and accordingly to METRICS. METRICS is list of | |
1154 | field/weight pairs, where FIELD is a procedure that returns a string | |
1155 | describing OBJ, and WEIGHT is a positive integer denoting the weight of this | |
1156 | field in the final score. | |
1157 | ||
1158 | A score of zero means that OBJ does not match any of REGEXPS. The higher the | |
1159 | score, the more relevant OBJ is to REGEXPS." | |
1160 | (define (score str) | |
1161 | (let ((counts (filter-map (lambda (regexp) | |
1162 | (match (regexp-exec regexp str) | |
1163 | (#f #f) | |
1164 | (m (match:count m)))) | |
1165 | regexps))) | |
1166 | ;; Compute a score that's proportional to the number of regexps matched | |
1167 | ;; and to the number of matches for each regexp. | |
1168 | (* (length counts) (reduce + 0 counts)))) | |
1169 | ||
1170 | (fold (lambda (metric relevance) | |
1171 | (match metric | |
1172 | ((field . weight) | |
1173 | (match (field obj) | |
1174 | (#f relevance) | |
1175 | (str (+ relevance | |
1176 | (* (score str) weight))))))) | |
1177 | 0 | |
1178 | metrics)) | |
1179 | ||
1180 | (define %package-metrics | |
1181 | ;; Metrics used to compute the "relevance score" of a package against a set | |
1182 | ;; of regexps. | |
304a53f6 LC |
1183 | `((,package-name . 4) |
1184 | (,package-synopsis-string . 3) | |
1185 | (,package-description-string . 2) | |
1186 | (,(lambda (type) | |
1187 | (match (and=> (package-location type) location-file) | |
1188 | ((? string? file) (basename file ".scm")) | |
1189 | (#f ""))) | |
1190 | . 1))) | |
c7ae219e LC |
1191 | |
1192 | (define (package-relevance package regexps) | |
1193 | "Return a score denoting the relevance of PACKAGE for REGEXPS. A score of | |
1194 | zero means that PACKAGE does not match any of REGEXPS." | |
1195 | (relevance package regexps %package-metrics)) | |
1196 | ||
2cd09108 NK |
1197 | (define (string->generations str) |
1198 | "Return the list of generations matching a pattern in STR. This function | |
1199 | accepts the following patterns: \"1\", \"1,2,3\", \"1..9\", \"1..\", \"..9\"." | |
1200 | (define (maybe-integer) | |
1201 | (let ((x (string->number str))) | |
1202 | (and (integer? x) | |
1203 | x))) | |
1204 | ||
1205 | (define (maybe-comma-separated-integers) | |
1206 | (let ((lst (delete-duplicates | |
1207 | (map string->number | |
1208 | (string-split str #\,))))) | |
1209 | (and (every integer? lst) | |
1210 | lst))) | |
1211 | ||
1212 | (cond ((maybe-integer) | |
1213 | => | |
1214 | list) | |
1215 | ((maybe-comma-separated-integers) | |
1216 | => | |
1217 | identity) | |
1218 | ((string-match "^([0-9]+)\\.\\.([0-9]+)$" str) | |
1219 | => | |
1220 | (lambda (match) | |
1221 | (let ((s (string->number (match:substring match 1))) | |
1222 | (e (string->number (match:substring match 2)))) | |
1223 | (and (every integer? (list s e)) | |
1224 | (<= s e) | |
1225 | (iota (1+ (- e s)) s))))) | |
1226 | ((string-match "^([0-9]+)\\.\\.$" str) | |
1227 | => | |
1228 | (lambda (match) | |
1229 | (let ((s (string->number (match:substring match 1)))) | |
1230 | (and (integer? s) | |
1231 | `(>= ,s))))) | |
1232 | ((string-match "^\\.\\.([0-9]+)$" str) | |
1233 | => | |
1234 | (lambda (match) | |
1235 | (let ((e (string->number (match:substring match 1)))) | |
1236 | (and (integer? e) | |
1237 | `(<= ,e))))) | |
1238 | (else #f))) | |
1239 | ||
1240 | (define (string->duration str) | |
1241 | "Return the duration matching a pattern in STR. This function accepts the | |
1242 | following patterns: \"1d\", \"1w\", \"1m\"." | |
1243 | (define (hours->duration hours match) | |
1244 | (make-time time-duration 0 | |
1245 | (* 3600 hours (string->number (match:substring match 1))))) | |
1246 | ||
638c5b79 LC |
1247 | (cond ((string-match "^([0-9]+)s$" str) |
1248 | => | |
1249 | (lambda (match) | |
1250 | (make-time time-duration 0 | |
1251 | (string->number (match:substring match 1))))) | |
1252 | ((string-match "^([0-9]+)h$" str) | |
30d2397f | 1253 | => |
638c5b79 LC |
1254 | (lambda (match) |
1255 | (hours->duration 1 match))) | |
1256 | ((string-match "^([0-9]+)d$" str) | |
2cd09108 NK |
1257 | => |
1258 | (lambda (match) | |
1259 | (hours->duration 24 match))) | |
1260 | ((string-match "^([0-9]+)w$" str) | |
1261 | => | |
1262 | (lambda (match) | |
1263 | (hours->duration (* 24 7) match))) | |
1264 | ((string-match "^([0-9]+)m$" str) | |
1265 | => | |
1266 | (lambda (match) | |
1267 | (hours->duration (* 24 30) match))) | |
1268 | (else #f))) | |
1269 | ||
e49de93a LC |
1270 | (define* (matching-generations str profile |
1271 | #:key (duration-relation <=)) | |
1272 | "Return the list of available generations matching a pattern in STR. See | |
1273 | 'string->generations' and 'string->duration' for the list of valid patterns. | |
1274 | When STR is a duration pattern, return all the generations whose ctime has | |
1275 | DURATION-RELATION with the current time." | |
1276 | (define (valid-generations lst) | |
1277 | (define (valid-generation? n) | |
1278 | (any (cut = n <>) (generation-numbers profile))) | |
1279 | ||
1280 | (fold-right (lambda (x acc) | |
1281 | (if (valid-generation? x) | |
1282 | (cons x acc) | |
1283 | acc)) | |
1284 | '() | |
1285 | lst)) | |
1286 | ||
1287 | (define (filter-generations generations) | |
1288 | (match generations | |
1289 | (() '()) | |
1290 | (('>= n) | |
1291 | (drop-while (cut > n <>) | |
1292 | (generation-numbers profile))) | |
1293 | (('<= n) | |
1294 | (valid-generations (iota n 1))) | |
1295 | ((lst ..1) | |
1296 | (valid-generations lst)) | |
30906825 | 1297 | (x #f))) |
e49de93a LC |
1298 | |
1299 | (define (filter-by-duration duration) | |
1300 | (define (time-at-midnight time) | |
1301 | ;; Return TIME at midnight by setting nanoseconds, seconds, minutes, and | |
1302 | ;; hours to zeros. | |
1303 | (let ((d (time-utc->date time))) | |
1304 | (date->time-utc | |
1305 | (make-date 0 0 0 0 | |
1306 | (date-day d) (date-month d) | |
1307 | (date-year d) (date-zone-offset d))))) | |
1308 | ||
1309 | (define generation-ctime-alist | |
1310 | (map (lambda (number) | |
1311 | (cons number | |
1312 | (time-second | |
1313 | (time-at-midnight | |
1314 | (generation-time profile number))))) | |
1315 | (generation-numbers profile))) | |
1316 | ||
1317 | (match duration | |
1318 | (#f #f) | |
1319 | (res | |
1320 | (let ((s (time-second | |
1321 | (subtract-duration (time-at-midnight (current-time)) | |
1322 | duration)))) | |
1323 | (delete #f (map (lambda (x) | |
1324 | (and (duration-relation s (cdr x)) | |
1325 | (first x))) | |
1326 | generation-ctime-alist)))))) | |
1327 | ||
1328 | (cond ((string->generations str) | |
1329 | => | |
1330 | filter-generations) | |
1331 | ((string->duration str) | |
1332 | => | |
1333 | filter-by-duration) | |
1334 | (else #f))) | |
1335 | ||
ad18c7e6 LC |
1336 | (define (display-generation profile number) |
1337 | "Display a one-line summary of generation NUMBER of PROFILE." | |
1338 | (unless (zero? number) | |
69daee23 | 1339 | (let ((header (format #f (G_ "Generation ~a\t~a") number |
ad18c7e6 LC |
1340 | (date->string |
1341 | (time-utc->date | |
1342 | (generation-time profile number)) | |
1343 | "~b ~d ~Y ~T"))) | |
1344 | (current (generation-number profile))) | |
1345 | (if (= number current) | |
3bd9672c LC |
1346 | ;; TRANSLATORS: The word "current" here is an adjective for |
1347 | ;; "Generation", as in "current generation". Use the appropriate | |
1348 | ;; gender where applicable. | |
69daee23 | 1349 | (format #t (G_ "~a\t(current)~%") header) |
ad18c7e6 LC |
1350 | (format #t "~a~%" header))))) |
1351 | ||
e95ae7c2 RJ |
1352 | (define (display-profile-content-diff profile gen1 gen2) |
1353 | "Display the changed packages in PROFILE GEN2 compared to generation GEN2." | |
1354 | ||
1355 | (define (equal-entry? first second) | |
1356 | (string= (manifest-entry-item first) (manifest-entry-item second))) | |
1357 | ||
1358 | (define (display-entry entry prefix) | |
1359 | (match entry | |
1360 | (($ <manifest-entry> name version output location _) | |
1361 | (format #t " ~a ~a\t~a\t~a\t~a~%" prefix name version output location)))) | |
1362 | ||
1363 | (define (list-entries number) | |
1364 | (manifest-entries (profile-manifest (generation-file-name profile number)))) | |
1365 | ||
1366 | (define (display-diff profile old new) | |
1367 | (display-generation profile new) | |
1368 | (let ((added (lset-difference | |
1369 | equal-entry? (list-entries new) (list-entries old))) | |
1370 | (removed (lset-difference | |
1371 | equal-entry? (list-entries old) (list-entries new)))) | |
1372 | (for-each (cut display-entry <> "+") added) | |
88bdbb2a RJ |
1373 | (for-each (cut display-entry <> "-") removed) |
1374 | (newline))) | |
e95ae7c2 RJ |
1375 | |
1376 | (display-diff profile gen1 gen2)) | |
1377 | ||
ad18c7e6 LC |
1378 | (define (display-profile-content profile number) |
1379 | "Display the packages in PROFILE, generation NUMBER, in a human-readable | |
1380 | way." | |
1381 | (for-each (match-lambda | |
1382 | (($ <manifest-entry> name version output location _) | |
1383 | (format #t " ~a\t~a\t~a\t~a~%" | |
1384 | name version output location))) | |
1385 | ||
1386 | ;; Show most recently installed packages last. | |
1387 | (reverse | |
1388 | (manifest-entries | |
1389 | (profile-manifest (generation-file-name profile number)))))) | |
1390 | ||
06d45f45 | 1391 | (define (display-generation-change previous current) |
69daee23 | 1392 | (format #t (G_ "switched from generation ~a to ~a~%") previous current)) |
06d45f45 LC |
1393 | |
1394 | (define (roll-back* store profile) | |
1395 | "Like 'roll-back', but display what is happening." | |
1396 | (call-with-values | |
1397 | (lambda () | |
1398 | (roll-back store profile)) | |
1399 | display-generation-change)) | |
1400 | ||
1401 | (define (switch-to-generation* profile number) | |
1402 | "Like 'switch-generation', but display what is happening." | |
1403 | (let ((previous (switch-to-generation profile number))) | |
1404 | (display-generation-change previous number))) | |
1405 | ||
1406 | (define (delete-generation* store profile generation) | |
1407 | "Like 'delete-generation', but display what is going on." | |
69daee23 | 1408 | (format #t (G_ "deleting ~a~%") |
06d45f45 LC |
1409 | (generation-file-name profile generation)) |
1410 | (delete-generation store profile generation)) | |
1411 | ||
2876b989 LC |
1412 | (define* (package-specification->name+version+output spec |
1413 | #:optional (output "out")) | |
1414 | "Parse package specification SPEC and return three value: the specified | |
1415 | package name, version number (or #f), and output name (or OUTPUT). SPEC may | |
1416 | optionally contain a version number and an output name, as in these examples: | |
1417 | ||
1418 | guile | |
1b846da8 | 1419 | guile@2.0.9 |
2876b989 | 1420 | guile:debug |
1b846da8 | 1421 | guile@2.0.9:debug |
2876b989 LC |
1422 | " |
1423 | (let*-values (((name sub-drv) | |
1424 | (match (string-rindex spec #\:) | |
1425 | (#f (values spec output)) | |
1426 | (colon (values (substring spec 0 colon) | |
1427 | (substring spec (+ 1 colon)))))) | |
1428 | ((name version) | |
1429 | (package-name->name+version name))) | |
1430 | (values name version sub-drv))) | |
1431 | ||
1432 | \f | |
1433 | ;;; | |
1434 | ;;; Command-line option processing. | |
1435 | ;;; | |
1436 | ||
e49951eb | 1437 | (define (show-guix-usage) |
e49951eb | 1438 | (format (current-error-port) |
69daee23 | 1439 | (G_ "Try `guix --help' for more information.~%")) |
25c93676 | 1440 | (exit 1)) |
e49951eb | 1441 | |
e31ff8b8 LC |
1442 | (define (command-files) |
1443 | "Return the list of source files that define Guix sub-commands." | |
1444 | (define directory | |
1445 | (and=> (search-path %load-path "guix.scm") | |
1446 | (compose (cut string-append <> "/guix/scripts") | |
1447 | dirname))) | |
1448 | ||
2b8cf44f LC |
1449 | (define dot-scm? |
1450 | (cut string-suffix? ".scm" <>)) | |
1451 | ||
e31ff8b8 | 1452 | (if directory |
09d809db | 1453 | (scandir directory dot-scm?) |
e31ff8b8 LC |
1454 | '())) |
1455 | ||
1456 | (define (commands) | |
1457 | "Return the list of Guix command names." | |
1458 | (map (compose (cut string-drop-right <> 4) | |
1459 | basename) | |
1460 | (command-files))) | |
1461 | ||
1462 | (define (show-guix-help) | |
59f734f3 | 1463 | (define (internal? command) |
94d92c77 LC |
1464 | (member command '("substitute" "authenticate" "offload" |
1465 | "perform-download"))) | |
59f734f3 | 1466 | |
69daee23 | 1467 | (format #t (G_ "Usage: guix COMMAND ARGS... |
e31ff8b8 LC |
1468 | Run COMMAND with ARGS.\n")) |
1469 | (newline) | |
69daee23 | 1470 | (format #t (G_ "COMMAND must be one of the sub-commands listed below:\n")) |
e31ff8b8 LC |
1471 | (newline) |
1472 | ;; TODO: Display a synopsis of each command. | |
59f734f3 LC |
1473 | (format #t "~{ ~a~%~}" (sort (remove internal? (commands)) |
1474 | string<?)) | |
e31ff8b8 LC |
1475 | (show-bug-report-information)) |
1476 | ||
a2011be5 LC |
1477 | (define program-name |
1478 | ;; Name of the command-line program currently executing, or #f. | |
1479 | (make-parameter #f)) | |
1480 | ||
ec5d0a85 LC |
1481 | (define (run-guix-command command . args) |
1482 | "Run COMMAND with the given ARGS. Report an error when COMMAND is not | |
1483 | found." | |
1484 | (define module | |
1485 | (catch 'misc-error | |
1486 | (lambda () | |
1487 | (resolve-interface `(guix scripts ,command))) | |
1488 | (lambda - | |
25c93676 | 1489 | (format (current-error-port) |
69daee23 | 1490 | (G_ "guix: ~a: command not found~%") command) |
25c93676 | 1491 | (show-guix-usage)))) |
ec5d0a85 LC |
1492 | |
1493 | (let ((command-main (module-ref module | |
1494 | (symbol-append 'guix- command)))) | |
1495 | (parameterize ((program-name command)) | |
14d5ca2e LC |
1496 | ;; Disable canonicalization so we don't don't stat unreasonably. |
1497 | (with-fluids ((%file-port-name-canonicalization #f)) | |
f4453df9 LC |
1498 | (dynamic-wind |
1499 | (const #f) | |
1500 | (lambda () | |
1501 | (apply command-main args)) | |
1502 | (lambda () | |
1503 | ;; Abuse 'exit-hook' (which is normally meant to be used by the | |
1504 | ;; REPL) to run things like profiling hooks upon completion. | |
1505 | (run-hook exit-hook))))))) | |
ec5d0a85 | 1506 | |
caa6732e AK |
1507 | (define (run-guix . args) |
1508 | "Run the 'guix' command defined by command line ARGS. | |
1509 | Unlike 'guix-main', this procedure assumes that locale, i18n support, | |
1510 | and signal handling has already been set up." | |
1511 | (define option? (cut string-prefix? "-" <>)) | |
1512 | ||
cbee9559 LC |
1513 | ;; The default %LOAD-EXTENSIONS includes the empty string, which doubles the |
1514 | ;; number of 'stat' calls per entry in %LOAD-PATH. Shamelessly remove it. | |
1515 | (set! %load-extensions '(".scm")) | |
1516 | ||
caa6732e AK |
1517 | (match args |
1518 | (() | |
1519 | (format (current-error-port) | |
69daee23 | 1520 | (G_ "guix: missing command name~%")) |
caa6732e AK |
1521 | (show-guix-usage)) |
1522 | ((or ("-h") ("--help")) | |
1523 | (show-guix-help)) | |
1524 | (("--version") | |
1525 | (show-version-and-exit "guix")) | |
1526 | (((? option? o) args ...) | |
1527 | (format (current-error-port) | |
69daee23 | 1528 | (G_ "guix: unrecognized option '~a'~%") o) |
caa6732e | 1529 | (show-guix-usage)) |
2ab5fdc4 LC |
1530 | (("help" command) |
1531 | (apply run-guix-command (string->symbol command) | |
1532 | '("--help"))) | |
caa6732e AK |
1533 | (("help" args ...) |
1534 | (show-guix-help)) | |
1535 | ((command args ...) | |
1536 | (apply run-guix-command | |
1537 | (string->symbol command) | |
1538 | args)))) | |
1539 | ||
a2011be5 LC |
1540 | (define guix-warning-port |
1541 | (make-parameter (current-warning-port))) | |
1542 | ||
e49951eb MW |
1543 | (define (guix-main arg0 . args) |
1544 | (initialize-guix) | |
caa6732e | 1545 | (apply run-guix args)) |
e49951eb | 1546 | |
073c34d7 | 1547 | ;;; ui.scm ends here |