Commit | Line | Data |
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233e7676 | 1 | ;;; GNU Guix --- Functional package management for GNU |
a173f098 | 2 | ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> |
cbdfa50d | 3 | ;;; Copyright © 2013, 2018 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> | |
85c3fbf5 | 12 | ;;; Copyright © 2018 Kyle Meyer <kyle@kyleam.com> |
15cc7e6a | 13 | ;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net> |
387e6b9e CM |
14 | ;;; Copyright © 2019 Chris Marusich <cmmarusich@gmail.com> |
15 | ;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr> | |
073c34d7 | 16 | ;;; |
233e7676 | 17 | ;;; This file is part of GNU Guix. |
073c34d7 | 18 | ;;; |
233e7676 | 19 | ;;; GNU Guix is free software; you can redistribute it and/or modify it |
073c34d7 LC |
20 | ;;; under the terms of the GNU General Public License as published by |
21 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
22 | ;;; your option) any later version. | |
23 | ;;; | |
233e7676 | 24 | ;;; GNU Guix is distributed in the hope that it will be useful, but |
073c34d7 LC |
25 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of |
26 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | ;;; GNU General Public License for more details. | |
28 | ;;; | |
29 | ;;; You should have received a copy of the GNU General Public License | |
233e7676 | 30 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. |
073c34d7 LC |
31 | |
32 | (define-module (guix ui) | |
37eed374 | 33 | #:use-module (guix i18n) |
9e1e0460 | 34 | #:use-module (guix colors) |
1b5ee3bd | 35 | #:use-module (guix diagnostics) |
3e43166f | 36 | #:use-module (guix gexp) |
b5bfa477 | 37 | #:use-module (guix sets) |
073c34d7 LC |
38 | #:use-module (guix utils) |
39 | #:use-module (guix store) | |
cdd5d6f9 | 40 | #:use-module (guix config) |
073c34d7 | 41 | #:use-module (guix packages) |
5d7a8584 | 42 | #:use-module (guix profiles) |
9bb2b96a | 43 | #:use-module (guix derivations) |
b7071bc5 LC |
44 | #:use-module (guix build-system) |
45 | #:use-module (guix serialization) | |
299112d3 | 46 | #:use-module ((guix licenses) #:select (license? license-name)) |
dcfc6f21 | 47 | #:use-module ((guix build syscalls) |
4311cf96 LC |
48 | #:select (free-disk-space terminal-columns |
49 | terminal-rows)) | |
cbdfa50d | 50 | #:use-module ((guix build utils) |
24cb66d1 LC |
51 | ;; XXX: All we need are the bindings related to |
52 | ;; '&invoke-error'. However, to work around the bug described | |
53 | ;; in 5d669883ecc104403c5d3ba7d172e9c02234577c, #:hide | |
54 | ;; unwanted bindings instead of #:select'ing the needed | |
55 | ;; bindings. | |
56 | #:hide (package-name->name+version)) | |
299112d3 LC |
57 | #:use-module (srfi srfi-1) |
58 | #:use-module (srfi srfi-11) | |
2cd09108 | 59 | #:use-module (srfi srfi-19) |
073c34d7 | 60 | #:use-module (srfi srfi-26) |
2abcc97f | 61 | #:use-module (srfi srfi-31) |
073c34d7 | 62 | #:use-module (srfi srfi-34) |
c1d52c71 | 63 | #:use-module (srfi srfi-35) |
e31ff8b8 | 64 | #:autoload (ice-9 ftw) (scandir) |
64fc89b6 | 65 | #:use-module (ice-9 match) |
9bb2b96a | 66 | #:use-module (ice-9 format) |
2cd09108 | 67 | #:use-module (ice-9 regex) |
f44c7aac | 68 | #:autoload (system base compile) (compile-file) |
db030303 LC |
69 | #:autoload (system repl repl) (start-repl) |
70 | #:autoload (system repl debug) (make-debug stack->vector) | |
1cd4027c ML |
71 | #:use-module (texinfo) |
72 | #:use-module (texinfo plain-text) | |
73 | #:use-module (texinfo string-utils) | |
1b5ee3bd LC |
74 | |
75 | ;; Re-exports for backward compatibility. | |
76 | #:re-export (G_ N_ P_ ;now in (guix i18n) | |
77 | ||
78 | warning info report-error leave ;now in (guix diagnostics) | |
79 | location->string | |
80 | guix-warning-port program-name) | |
81 | #:export (display-hint | |
7ea1432e DT |
82 | make-user-module |
83 | load* | |
4ae7559f | 84 | warn-about-load-error |
cdd5d6f9 | 85 | show-version-and-exit |
3441e164 | 86 | show-bug-report-information |
fd688c82 | 87 | make-regexp* |
969e678e | 88 | string->number* |
1d6243cf | 89 | size->number |
fa394eb9 | 90 | show-derivation-outputs |
9bb2b96a | 91 | show-what-to-build |
4d043ab6 | 92 | show-what-to-build* |
5d7a8584 | 93 | show-manifest-transaction |
073c34d7 | 94 | call-with-error-handling |
64fc89b6 | 95 | with-error-handling |
2d2f98ef | 96 | with-unbound-variable-handling |
df36e629 | 97 | leave-on-EPIPE |
ac5de156 | 98 | read/eval |
eb0880e7 | 99 | read/eval-package-expression |
8120b23e | 100 | check-available-space |
299112d3 | 101 | fill-paragraph |
0649321d | 102 | %text-width |
2748ee3b | 103 | texi->plain-text |
1cd4027c | 104 | package-description-string |
689db38e | 105 | package-synopsis-string |
299112d3 | 106 | string->recutils |
e49951eb | 107 | package->recutils |
2876b989 | 108 | package-specification->name+version+output |
4311cf96 | 109 | |
c7ae219e LC |
110 | relevance |
111 | package-relevance | |
4311cf96 LC |
112 | display-search-results |
113 | ||
2cd09108 NK |
114 | string->generations |
115 | string->duration | |
e49de93a | 116 | matching-generations |
ad18c7e6 LC |
117 | display-generation |
118 | display-profile-content | |
e95ae7c2 | 119 | display-profile-content-diff |
06d45f45 LC |
120 | roll-back* |
121 | switch-to-generation* | |
122 | delete-generation* | |
e49951eb | 123 | run-guix-command |
caa6732e | 124 | run-guix |
5d9f9ad6 | 125 | guix-main)) |
073c34d7 LC |
126 | |
127 | ;;; Commentary: | |
128 | ;;; | |
129 | ;;; User interface facilities for command-line tools. | |
130 | ;;; | |
131 | ;;; Code: | |
132 | ||
dc856223 LC |
133 | (define (print-unbound-variable-error port key args default-printer) |
134 | ;; Print unbound variable errors more nicely, and in the right language. | |
135 | (match args | |
136 | ((proc message (variable) _ ...) | |
137 | ;; We can always omit PROC because when it's useful (i.e., different from | |
138 | ;; "module-lookup"), it gets displayed before. | |
2d2f98ef | 139 | (format port (G_ "error: ~a: unbound variable") variable)) |
dc856223 LC |
140 | (_ |
141 | (default-printer)))) | |
142 | ||
143 | (set-exception-printer! 'unbound-variable print-unbound-variable-error) | |
144 | ||
7ea1432e DT |
145 | (define (make-user-module modules) |
146 | "Return a new user module with the additional MODULES loaded." | |
147 | ;; Module in which the machine description file is loaded. | |
148 | (let ((module (make-fresh-user-module))) | |
149 | (for-each (lambda (iface) | |
150 | (module-use! module (resolve-interface iface))) | |
151 | modules) | |
152 | module)) | |
153 | ||
7f2f6a2c LC |
154 | (define (last-frame-with-source stack) |
155 | "Walk stack upwards and return the last frame that has source location | |
156 | information, or #f if it could not be found." | |
2abcc97f LC |
157 | (define (frame-with-source frame) |
158 | ;; Walk from FRAME upwards until source location information is found. | |
159 | (let loop ((frame frame) | |
160 | (previous frame)) | |
161 | (if (not frame) | |
162 | previous | |
163 | (if (frame-source frame) | |
164 | frame | |
165 | (loop (frame-previous frame) frame))))) | |
166 | ||
7f2f6a2c LC |
167 | (let* ((depth (stack-length stack)) |
168 | (last (and (> depth 0) (stack-ref stack 0)))) | |
169 | (frame-with-source (if (> depth 1) | |
170 | (stack-ref stack 1) ;skip the 'throw' frame | |
171 | last)))) | |
172 | ||
173 | (define* (load* file user-module | |
174 | #:key (on-error 'nothing-special)) | |
175 | "Load the user provided Scheme source code FILE." | |
db030303 LC |
176 | (define (error-string frame args) |
177 | (call-with-output-string | |
f44c7aac LC |
178 | (lambda (port) |
179 | (apply display-error frame port (cdr args))))) | |
db030303 LC |
180 | |
181 | (define tag | |
182 | (make-prompt-tag "user-code")) | |
183 | ||
7ea1432e DT |
184 | (catch #t |
185 | (lambda () | |
2abcc97f | 186 | ;; XXX: Force a recompilation to avoid ABI issues. |
92423868 LC |
187 | ;; |
188 | ;; In 2.2.3, the bogus answer to <https://bugs.gnu.org/29226> was to | |
189 | ;; ignore all available .go, not just those from ~/.cache, which in turn | |
190 | ;; meant that we had to rebuild *everything*. Since this is too costly, | |
f44c7aac LC |
191 | ;; we have to turn off '%fresh-auto-compile' with that version, so to |
192 | ;; avoid ABI breakage in the user's config file, we explicitly compile | |
193 | ;; it (the problem remains if the user's config is spread on several | |
194 | ;; modules.) See <https://bugs.gnu.org/29881>. | |
7949c140 LC |
195 | (unless (string=? (version) "2.2.3") |
196 | (set! %fresh-auto-compile #t)) | |
92423868 | 197 | |
2abcc97f | 198 | (set! %load-should-auto-compile #t) |
7ea1432e DT |
199 | |
200 | (save-module-excursion | |
201 | (lambda () | |
202 | (set-current-module user-module) | |
7ea1432e | 203 | |
2abcc97f LC |
204 | ;; Hide the "auto-compiling" messages. |
205 | (parameterize ((current-warning-port (%make-void-port "w"))) | |
db030303 LC |
206 | (call-with-prompt tag |
207 | (lambda () | |
7949c140 LC |
208 | (when (string=? (version) "2.2.3") |
209 | (catch 'system-error | |
210 | (lambda () | |
211 | (compile-file file #:env user-module)) | |
212 | (const #f))) ;EACCES maybe, let's interpret it | |
213 | ||
db030303 LC |
214 | ;; Give 'load' an absolute file name so that it doesn't try to |
215 | ;; search for FILE in %LOAD-PATH. Note: use 'load', not | |
216 | ;; 'primitive-load', so that FILE is compiled, which then allows us | |
217 | ;; to provide better error reporting with source line numbers. | |
218 | (load (canonicalize-path file))) | |
219 | (const #f)))))) | |
2abcc97f LC |
220 | (lambda _ |
221 | ;; XXX: Errors are reported from the pre-unwind handler below, but | |
222 | ;; calling 'exit' from there has no effect, so we call it here. | |
223 | (exit 1)) | |
224 | (rec (handle-error . args) | |
225 | ;; Capture the stack up to this procedure call, excluded, and pass | |
226 | ;; the faulty stack frame to 'report-load-error'. | |
db030303 | 227 | (let* ((stack (make-stack #t handle-error tag)) |
7f2f6a2c | 228 | (frame (last-frame-with-source stack))) |
db030303 LC |
229 | |
230 | (report-load-error file args frame) | |
231 | ||
232 | (case on-error | |
233 | ((debug) | |
234 | (newline) | |
69daee23 | 235 | (display (G_ "entering debugger; type ',bt' for a backtrace\n")) |
db030303 LC |
236 | (start-repl #:debug (make-debug (stack->vector stack) 0 |
237 | (error-string frame args) | |
238 | #f))) | |
239 | ((backtrace) | |
240 | (newline (current-error-port)) | |
241 | (display-backtrace stack (current-error-port))) | |
242 | (else | |
243 | #t)))))) | |
2abcc97f | 244 | |
a2985bb1 LC |
245 | (define (known-variable-definition variable) |
246 | "Search among the currently loaded modules one that defines a variable named | |
247 | VARIABLE and return it, or #f if none was found." | |
248 | (define (module<? m1 m2) | |
249 | (match (module-name m2) | |
250 | (('gnu _ ...) #t) | |
251 | (('guix _ ...) | |
252 | (match (module-name m1) | |
253 | (('gnu _ ...) #f) | |
254 | (_ #t))) | |
255 | (_ #f))) | |
256 | ||
b5bfa477 LC |
257 | (let loop ((modules (list (resolve-module '() #f #f #:ensure #f))) |
258 | (suggestions '()) | |
259 | (visited (setq))) | |
a2985bb1 LC |
260 | (match modules |
261 | (() | |
262 | ;; Pick the "best" suggestion. | |
263 | (match (sort suggestions module<?) | |
264 | (() #f) | |
265 | ((first _ ...) first))) | |
266 | ((head tail ...) | |
b5bfa477 LC |
267 | (if (set-contains? visited head) |
268 | (loop tail suggestions visited) | |
269 | (let ((visited (set-insert head visited)) | |
270 | (next (append tail | |
271 | (hash-map->list (lambda (name module) | |
272 | module) | |
273 | (module-submodules head))))) | |
274 | (match (module-local-variable head variable) | |
275 | (#f (loop next suggestions visited)) | |
276 | (_ | |
277 | (match (module-name head) | |
278 | (('gnu _ ...) head) ;must be that one | |
279 | (_ (loop next (cons head suggestions) visited))))))))))) | |
a2985bb1 | 280 | |
1b5ee3bd LC |
281 | (define %hint-color (color BOLD CYAN)) |
282 | ||
935542fb LC |
283 | (define* (display-hint message #:optional (port (current-error-port))) |
284 | "Display MESSAGE, a l10n message possibly containing Texinfo markup, to | |
285 | PORT." | |
a7ae18b1 LC |
286 | (define colorize |
287 | (if (color-output? port) | |
288 | (lambda (str) | |
2569ef9d | 289 | (colorize-string str %hint-color)) |
a7ae18b1 LC |
290 | identity)) |
291 | ||
292 | (display (colorize (G_ "hint: ")) port) | |
293 | (display | |
294 | ;; XXX: We should arrange so that the initial indent is wider. | |
295 | (parameterize ((%text-width (max 15 (- (terminal-columns) 5)))) | |
296 | (texi->plain-text message)) | |
297 | port)) | |
935542fb | 298 | |
2d2f98ef LC |
299 | (define* (report-unbound-variable-error args #:key frame) |
300 | "Return the given unbound-variable error, where ARGS is the list of 'throw' | |
301 | arguments." | |
302 | (match args | |
303 | ((key . args) | |
304 | (print-exception (current-error-port) frame key args))) | |
305 | (match args | |
306 | (('unbound-variable proc message (variable) _ ...) | |
307 | (match (known-variable-definition variable) | |
308 | (#f | |
309 | (display-hint (G_ "Did you forget a @code{use-modules} form?"))) | |
310 | ((? module? module) | |
311 | (display-hint (format #f (G_ "Did you forget @code{(use-modules ~a)}?") | |
312 | (module-name module)))))))) | |
313 | ||
2abcc97f | 314 | (define* (report-load-error file args #:optional frame) |
db030303 | 315 | "Report the failure to load FILE, a user-provided Scheme file. |
1151f6ae LC |
316 | ARGS is the list of arguments received by the 'throw' handler." |
317 | (match args | |
e465d9e1 | 318 | (('system-error . rest) |
1151f6ae | 319 | (let ((err (system-error-errno args))) |
69daee23 | 320 | (report-error (G_ "failed to load '~a': ~a~%") file (strerror err)))) |
a6e22d84 LC |
321 | (('read-error "scm_i_lreadparen" message _ ...) |
322 | ;; Guile's missing-paren messages are obscure so we make them more | |
323 | ;; intelligible here. | |
324 | (if (string-suffix? "end of file" message) | |
325 | (let ((location (string-drop-right message | |
326 | (string-length "end of file")))) | |
327 | (format (current-error-port) (G_ "~amissing closing parenthesis~%") | |
328 | location)) | |
329 | (apply throw args))) | |
1151f6ae LC |
330 | (('syntax-error proc message properties form . rest) |
331 | (let ((loc (source-properties->location properties))) | |
40262771 | 332 | (report-error loc (G_ "~a~%") message))) |
2d2f98ef LC |
333 | (('unbound-variable _ ...) |
334 | (report-unbound-variable-error args #:frame frame)) | |
23185cea | 335 | (('srfi-34 obj) |
f816dba6 | 336 | (if (message-condition? obj) |
40262771 LC |
337 | (report-error (and (error-location? obj) |
338 | (error-location obj)) | |
339 | (G_ "~a~%") | |
340 | (gettext (condition-message obj) %gettext-domain)) | |
23735137 LC |
341 | (report-error (G_ "exception thrown: ~s~%") obj)) |
342 | (when (fix-hint? obj) | |
935542fb | 343 | (display-hint (condition-fix-hint obj)))) |
70a50305 | 344 | ((key args ...) |
69daee23 | 345 | (report-error (G_ "failed to load '~a':~%") file) |
70a50305 LC |
346 | (match args |
347 | (((? symbol? proc) (? string? message) (args ...) . rest) | |
348 | (display-error frame (current-error-port) proc message | |
349 | args rest)) | |
350 | (_ | |
351 | ;; Some exceptions like 'git-error' do not follow Guile's convention | |
352 | ;; above and need to be printed with 'print-exception'. | |
353 | (print-exception (current-error-port) frame key 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))) | |
40262771 | 364 | (warning loc (G_ "~a~%") message))) |
23185cea | 365 | (('srfi-34 obj) |
f816dba6 | 366 | (if (message-condition? obj) |
69daee23 | 367 | (warning (G_ "failed to load '~a': ~a~%") |
f816dba6 LC |
368 | file |
369 | (gettext (condition-message obj) %gettext-domain)) | |
69daee23 | 370 | (warning (G_ "failed to load '~a': exception thrown: ~s~%") |
f816dba6 | 371 | file obj))) |
4ae7559f | 372 | ((error args ...) |
69daee23 | 373 | (warning (G_ "failed to load '~a':~%") file) |
4ae7559f LC |
374 | (apply display-error #f (current-error-port) args)))) |
375 | ||
2d2f98ef LC |
376 | (define (call-with-unbound-variable-handling thunk) |
377 | (define tag | |
378 | (make-prompt-tag "user-code")) | |
379 | ||
380 | (catch 'unbound-variable | |
381 | (lambda () | |
382 | (call-with-prompt tag | |
383 | thunk | |
384 | (const #f))) | |
385 | (const #t) | |
386 | (rec (handle-error . args) | |
387 | (let* ((stack (make-stack #t handle-error tag)) | |
388 | (frame (and stack (last-frame-with-source stack)))) | |
389 | (report-unbound-variable-error args #:frame frame) | |
390 | (exit 1))))) | |
391 | ||
392 | (define-syntax-rule (with-unbound-variable-handling exp ...) | |
393 | "Capture 'unbound-variable' exceptions in the dynamic extent of EXP... and | |
394 | report them in a user-friendly way." | |
395 | (call-with-unbound-variable-handling (lambda () exp ...))) | |
396 | ||
b2a886f6 LC |
397 | (define (install-locale) |
398 | "Install the current locale settings." | |
399 | (catch 'system-error | |
400 | (lambda _ | |
401 | (setlocale LC_ALL "")) | |
402 | (lambda args | |
26db747a LC |
403 | (display-hint (G_ "Consider installing the @code{glibc-utf8-locales} or |
404 | @code{glibc-locales} package and defining @code{GUIX_LOCPATH}, along these | |
405 | lines: | |
406 | ||
407 | @example | |
408 | guix package -i glibc-utf8-locales | |
409 | export GUIX_LOCPATH=\"$HOME/.guix-profile/lib/locale\" | |
410 | @end example | |
411 | ||
412 | See the \"Application Setup\" section in the manual, for more info.\n"))))) | |
b2a886f6 | 413 | |
e49951eb | 414 | (define (initialize-guix) |
633f045f | 415 | "Perform the usual initialization for stand-alone Guix commands." |
ce92d269 LC |
416 | ;; By default don't annoy users with deprecation warnings. In practice, |
417 | ;; 'define-deprecated' in (ice-9 deprecated) arranges so that those warnings | |
418 | ;; are emitted at expansion-time only, but there are cases where they could | |
419 | ;; slip through, for instance when interpreting code. | |
420 | (unless (getenv "GUILE_WARN_DEPRECATED") | |
421 | (debug-disable 'warn-deprecated)) | |
422 | ||
e49951eb | 423 | (install-locale) |
39e9f95d | 424 | (textdomain %gettext-domain) |
e14c3929 LC |
425 | |
426 | ;; Ignore SIGPIPE. If the daemon closes the connection, we prefer to be | |
427 | ;; notified via an EPIPE later. | |
428 | (sigaction SIGPIPE SIG_IGN) | |
429 | ||
76832d34 LC |
430 | (setvbuf (current-output-port) 'line) |
431 | (setvbuf (current-error-port) 'line)) | |
e49951eb | 432 | |
cdd5d6f9 LC |
433 | (define* (show-version-and-exit #:optional (command (car (command-line)))) |
434 | "Display version information for COMMAND and `(exit 0)'." | |
435 | (simple-format #t "~a (~a) ~a~%" | |
436 | command %guix-package-name %guix-version) | |
a173f098 | 437 | (format #t "Copyright ~a 2019 ~a" |
d925cdc3 LC |
438 | ;; TRANSLATORS: Translate "(C)" to the copyright symbol |
439 | ;; (C-in-a-circle), if this symbol is available in the user's | |
440 | ;; locale. Otherwise, do not translate "(C)"; leave it as-is. */ | |
69daee23 LC |
441 | (G_ "(C)") |
442 | (G_ "the Guix authors\n")) | |
443 | (display (G_"\ | |
64a967cc LC |
444 | License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> |
445 | This is free software: you are free to change and redistribute it. | |
446 | There is NO WARRANTY, to the extent permitted by law. | |
447 | ")) | |
cdd5d6f9 LC |
448 | (exit 0)) |
449 | ||
3441e164 | 450 | (define (show-bug-report-information) |
cf5f2ad3 ML |
451 | ;; TRANSLATORS: The placeholder indicates the bug-reporting address for this |
452 | ;; package. Please add another line saying "Report translation bugs to | |
453 | ;; ...\n" with the address for translation bugs (typically your translation | |
454 | ;; team's web or email address). | |
69daee23 | 455 | (format #t (G_ " |
3441e164 | 456 | Report bugs to: ~a.") %guix-bug-report-address) |
69daee23 | 457 | (format #t (G_ " |
3441e164 | 458 | ~a home page: <~a>") %guix-package-name %guix-home-page-url) |
69daee23 | 459 | (display (G_ " |
3441e164 LC |
460 | General help using GNU software: <http://www.gnu.org/gethelp/>")) |
461 | (newline)) | |
462 | ||
e7ff0543 LC |
463 | (define (augmented-system-error-handler file) |
464 | "Return a 'system-error' handler that mentions FILE in its message." | |
465 | (lambda (key proc fmt args errno) | |
466 | ;; Augment the FMT and ARGS with information about TARGET (this | |
467 | ;; information is missing as of Guile 2.0.11, making the exception | |
468 | ;; uninformative.) | |
469 | (apply throw key proc "~A: ~S" | |
470 | (list (strerror (car errno)) file) | |
471 | (list errno)))) | |
472 | ||
6616a352 TS |
473 | (define-syntax apply-formals |
474 | (syntax-rules () | |
475 | ((_ proc (args ...)) (proc args ...)) | |
476 | ((_ proc (arg1 args ... . rest)) (apply proc arg1 args ... rest)))) | |
477 | ||
478 | (define-syntax-rule (error-reporting-wrapper proc formals file) | |
e7ff0543 LC |
479 | "Wrap PROC such that its 'system-error' exceptions are augmented to mention |
480 | FILE." | |
481 | (let ((real-proc (@ (guile) proc))) | |
6616a352 | 482 | (lambda formals |
e7ff0543 LC |
483 | (catch 'system-error |
484 | (lambda () | |
6616a352 | 485 | (apply-formals real-proc formals)) |
e7ff0543 LC |
486 | (augmented-system-error-handler file))))) |
487 | ||
7522a016 LC |
488 | (set! symlink |
489 | ;; We 'set!' the global binding because (gnu build ...) modules and similar | |
490 | ;; typically don't use (guix ui). | |
e7ff0543 | 491 | (error-reporting-wrapper symlink (source target) target)) |
44fd6ef1 | 492 | |
9b14107f LC |
493 | (set! copy-file |
494 | ;; Note: here we use 'set!', not #:replace, because UIs typically use | |
495 | ;; 'copy-recursively', which doesn't use (guix ui). | |
e7ff0543 LC |
496 | (error-reporting-wrapper copy-file (source target) target)) |
497 | ||
6d30b1b2 LC |
498 | (set! canonicalize-path |
499 | (error-reporting-wrapper canonicalize-path (file) file)) | |
500 | ||
90b144d2 LC |
501 | (set! delete-file |
502 | (error-reporting-wrapper delete-file (file) file)) | |
503 | ||
6616a352 TS |
504 | (set! execlp |
505 | (error-reporting-wrapper execlp (filename . args) filename)) | |
9b14107f | 506 | |
fd688c82 LC |
507 | (define (make-regexp* regexp . flags) |
508 | "Like 'make-regexp' but error out if REGEXP is invalid, reporting the error | |
509 | nicely." | |
510 | (catch 'regular-expression-syntax | |
511 | (lambda () | |
512 | (apply make-regexp regexp flags)) | |
513 | (lambda (key proc message . rest) | |
69daee23 | 514 | (leave (G_ "'~a' is not a valid regular expression: ~a~%") |
fd688c82 LC |
515 | regexp message)))) |
516 | ||
969e678e LC |
517 | (define (string->number* str) |
518 | "Like `string->number', but error out with an error message on failure." | |
519 | (or (string->number str) | |
69daee23 | 520 | (leave (G_ "~a: invalid number~%") str))) |
969e678e | 521 | |
1d6243cf LC |
522 | (define (size->number str) |
523 | "Convert STR, a storage measurement representation such as \"1024\" or | |
524 | \"1MiB\", to a number of bytes. Raise an error if STR could not be | |
525 | interpreted." | |
526 | (define unit-pos | |
527 | (string-rindex str char-set:digit)) | |
528 | ||
529 | (define unit | |
530 | (and unit-pos (substring str (+ 1 unit-pos)))) | |
531 | ||
532 | (let* ((numstr (if unit-pos | |
533 | (substring str 0 (+ 1 unit-pos)) | |
534 | str)) | |
535 | (num (string->number numstr))) | |
536 | (unless num | |
69daee23 | 537 | (leave (G_ "invalid number: ~a~%") numstr)) |
1d6243cf LC |
538 | |
539 | ((compose inexact->exact round) | |
540 | (* num | |
541 | (match unit | |
4a44d7bb LC |
542 | ((or "KiB" "K" "k") (expt 2 10)) |
543 | ((or "MiB" "M") (expt 2 20)) | |
544 | ((or "GiB" "G") (expt 2 30)) | |
545 | ((or "TiB" "T") (expt 2 40)) | |
546 | ((or "PiB" "P") (expt 2 50)) | |
547 | ((or "EiB" "E") (expt 2 60)) | |
548 | ((or "ZiB" "Z") (expt 2 70)) | |
549 | ((or "YiB" "Y") (expt 2 80)) | |
550 | ("kB" (expt 10 3)) | |
1d6243cf LC |
551 | ("MB" (expt 10 6)) |
552 | ("GB" (expt 10 9)) | |
553 | ("TB" (expt 10 12)) | |
4a44d7bb LC |
554 | ("PB" (expt 10 15)) |
555 | ("EB" (expt 10 18)) | |
556 | ("ZB" (expt 10 21)) | |
557 | ("YB" (expt 10 24)) | |
1d6243cf | 558 | ("" 1) |
e465d9e1 | 559 | (x |
69daee23 | 560 | (leave (G_ "unknown unit: ~a~%") unit))))))) |
1d6243cf | 561 | |
3b80b813 LC |
562 | (define (display-collision-resolution-hint collision) |
563 | "Display hints on how to resolve COLLISION, a &profile-collistion-error." | |
564 | (define (top-most-entry entry) | |
565 | (let loop ((entry entry)) | |
566 | (match (force (manifest-entry-parent entry)) | |
567 | (#f entry) | |
568 | (parent (loop parent))))) | |
569 | ||
570 | (let* ((first (profile-collision-error-entry collision)) | |
571 | (second (profile-collision-error-conflict collision)) | |
572 | (name1 (manifest-entry-name (top-most-entry first))) | |
573 | (name2 (manifest-entry-name (top-most-entry second)))) | |
574 | (if (string=? name1 name2) | |
575 | (display-hint (format #f (G_ "You cannot have two different versions | |
576 | or variants of @code{~a} in the same profile.") | |
577 | name1)) | |
578 | (display-hint (format #f (G_ "Try upgrading both @code{~a} and @code{~a}, | |
579 | or remove one of them from the profile.") | |
580 | name1 name2))))) | |
581 | ||
073c34d7 LC |
582 | (define (call-with-error-handling thunk) |
583 | "Call THUNK within a user-friendly error handler." | |
bec7f352 LC |
584 | (define (port-filename* port) |
585 | ;; 'port-filename' returns #f for non-file ports, but it raises an | |
586 | ;; exception for file ports that are closed. Work around that. | |
587 | (and (not (port-closed? port)) | |
588 | (port-filename port))) | |
589 | ||
073c34d7 LC |
590 | (guard (c ((package-input-error? c) |
591 | (let* ((package (package-error-package c)) | |
592 | (input (package-error-invalid-input c)) | |
593 | (location (package-location package)) | |
594 | (file (location-file location)) | |
595 | (line (location-line location)) | |
596 | (column (location-column location))) | |
69daee23 | 597 | (leave (G_ "~a:~a:~a: package `~a' has an invalid input: ~s~%") |
073c34d7 LC |
598 | file line column |
599 | (package-full-name package) input))) | |
9b222abe LC |
600 | ((package-cross-build-system-error? c) |
601 | (let* ((package (package-error-package c)) | |
602 | (loc (package-location package)) | |
603 | (system (package-build-system package))) | |
69daee23 | 604 | (leave (G_ "~a: ~a: build system `~a' does not support cross builds~%") |
9b222abe LC |
605 | (location->string loc) |
606 | (package-full-name package) | |
607 | (build-system-name system)))) | |
3e43166f LC |
608 | ((gexp-input-error? c) |
609 | (let ((input (package-error-invalid-input c))) | |
69daee23 | 610 | (leave (G_ "~s: invalid G-expression input~%") |
3e43166f | 611 | (gexp-error-invalid-input c)))) |
c0c018f1 | 612 | ((profile-not-found-error? c) |
69daee23 | 613 | (leave (G_ "profile '~a' does not exist~%") |
c0c018f1 AK |
614 | (profile-error-profile c))) |
615 | ((missing-generation-error? c) | |
69daee23 | 616 | (leave (G_ "generation ~a of profile '~a' does not exist~%") |
c0c018f1 AK |
617 | (missing-generation-error-generation c) |
618 | (profile-error-profile c))) | |
487cbb01 LC |
619 | ((unmatched-pattern-error? c) |
620 | (let ((pattern (unmatched-pattern-error-pattern c))) | |
621 | (leave (G_ "package '~a~@[@~a~]~@[:~a~]' not found in profile~%") | |
622 | (manifest-pattern-name pattern) | |
623 | (manifest-pattern-version pattern) | |
624 | (match (manifest-pattern-output pattern) | |
625 | ("out" #f) | |
626 | (output output))))) | |
a654dc4b LC |
627 | ((profile-collision-error? c) |
628 | (let ((entry (profile-collision-error-entry c)) | |
629 | (conflict (profile-collision-error-conflict c))) | |
630 | (define (report-parent-entries entry) | |
631 | (let ((parent (force (manifest-entry-parent entry)))) | |
632 | (when (manifest-entry? parent) | |
633 | (report-error (G_ " ... propagated from ~a@~a~%") | |
634 | (manifest-entry-name parent) | |
635 | (manifest-entry-version parent)) | |
636 | (report-parent-entries parent)))) | |
637 | ||
0d2ecf8b LC |
638 | (define (manifest-entry-output* entry) |
639 | (match (manifest-entry-output entry) | |
640 | ("out" "") | |
641 | (output (string-append ":" output)))) | |
642 | ||
3fb6464b | 643 | (report-error (G_ "profile contains conflicting entries for ~a~a~%") |
a654dc4b | 644 | (manifest-entry-name entry) |
3fb6464b | 645 | (manifest-entry-output* entry)) |
0d2ecf8b | 646 | (report-error (G_ " first entry: ~a@~a~a ~a~%") |
a654dc4b LC |
647 | (manifest-entry-name entry) |
648 | (manifest-entry-version entry) | |
0d2ecf8b | 649 | (manifest-entry-output* entry) |
a654dc4b LC |
650 | (manifest-entry-item entry)) |
651 | (report-parent-entries entry) | |
0d2ecf8b | 652 | (report-error (G_ " second entry: ~a@~a~a ~a~%") |
a654dc4b LC |
653 | (manifest-entry-name conflict) |
654 | (manifest-entry-version conflict) | |
0d2ecf8b | 655 | (manifest-entry-output* conflict) |
a654dc4b LC |
656 | (manifest-entry-item conflict)) |
657 | (report-parent-entries conflict) | |
3b80b813 | 658 | (display-collision-resolution-hint c) |
a654dc4b | 659 | (exit 1))) |
b7071bc5 LC |
660 | ((nar-error? c) |
661 | (let ((file (nar-error-file c)) | |
662 | (port (nar-error-port c))) | |
663 | (if file | |
69daee23 | 664 | (leave (G_ "corrupt input while restoring '~a' from ~s~%") |
bec7f352 | 665 | file (or (port-filename* port) port)) |
69daee23 | 666 | (leave (G_ "corrupt input while restoring archive from ~s~%") |
bec7f352 | 667 | (or (port-filename* port) port))))) |
f9e8a123 | 668 | ((store-connection-error? c) |
69daee23 | 669 | (leave (G_ "failed to connect to `~a': ~a~%") |
f9e8a123 LC |
670 | (store-connection-error-file c) |
671 | (strerror (store-connection-error-code c)))) | |
672 | ((store-protocol-error? c) | |
073c34d7 | 673 | ;; FIXME: Server-provided error messages aren't i18n'd. |
e6b065b2 | 674 | (leave (G_ "~a~%") |
f9e8a123 | 675 | (store-protocol-error-message c))) |
f304c9c2 | 676 | ((derivation-missing-output-error? c) |
69daee23 | 677 | (leave (G_ "reference to invalid output '~a' of derivation '~a'~%") |
f304c9c2 LC |
678 | (derivation-missing-output c) |
679 | (derivation-file-name (derivation-error-derivation c)))) | |
d26e1967 | 680 | ((file-search-error? c) |
69daee23 | 681 | (leave (G_ "file '~a' could not be found in these \ |
d26e1967 LC |
682 | directories:~{ ~a~}~%") |
683 | (file-search-error-file-name c) | |
684 | (file-search-error-search-path c))) | |
cbdfa50d MW |
685 | ((invoke-error? c) |
686 | (leave (G_ "program exited\ | |
687 | ~@[ with non-zero exit status ~a~]\ | |
688 | ~@[ terminated by signal ~a~]\ | |
689 | ~@[ stopped by signal ~a~]: ~s~%") | |
690 | (invoke-error-exit-status c) | |
691 | (invoke-error-term-signal c) | |
692 | (invoke-error-stop-signal c) | |
693 | (cons (invoke-error-program c) | |
694 | (invoke-error-arguments c)))) | |
23735137 | 695 | ((and (error-location? c) (message-condition? c)) |
40262771 LC |
696 | (report-error (error-location c) (G_ "~a~%") |
697 | (gettext (condition-message c) %gettext-domain)) | |
e1ba6d49 LC |
698 | (when (fix-hint? c) |
699 | (display-hint (condition-fix-hint c))) | |
399993f8 | 700 | (exit 1)) |
4a8d536f | 701 | ((and (message-condition? c) (fix-hint? c)) |
40262771 LC |
702 | (report-error (G_ "~a~%") |
703 | (gettext (condition-message c) %gettext-domain)) | |
4a8d536f LC |
704 | (display-hint (condition-fix-hint c)) |
705 | (exit 1)) | |
c1d52c71 LC |
706 | ((message-condition? c) |
707 | ;; Normally '&message' error conditions have an i18n'd message. | |
69daee23 | 708 | (leave (G_ "~a~%") |
12703d08 | 709 | (gettext (condition-message c) %gettext-domain)))) |
e14c3929 LC |
710 | ;; Catch EPIPE and the likes. |
711 | (catch 'system-error | |
712 | thunk | |
bde8c0e6 | 713 | (lambda (key proc format-string format-args . rest) |
69daee23 | 714 | (leave (G_ "~a: ~a~%") proc |
bde8c0e6 | 715 | (apply format #f format-string format-args)))))) |
073c34d7 | 716 | |
df36e629 LC |
717 | (define-syntax-rule (leave-on-EPIPE exp ...) |
718 | "Run EXP... in a context when EPIPE errors are caught and lead to 'exit' | |
719 | with successful exit code. This is useful when writing to the standard output | |
720 | may lead to EPIPE, because the standard output is piped through 'head' or | |
721 | similar." | |
722 | (catch 'system-error | |
723 | (lambda () | |
724 | exp ...) | |
725 | (lambda args | |
726 | ;; We really have to exit this brutally, otherwise Guile eventually | |
727 | ;; attempts to flush all the ports, leading to an uncaught EPIPE down | |
728 | ;; the path. | |
729 | (if (= EPIPE (system-error-errno args)) | |
730 | (primitive-_exit 0) | |
731 | (apply throw args))))) | |
732 | ||
56b82106 LC |
733 | (define %guix-user-module |
734 | ;; Module in which user expressions are evaluated. | |
07254feb LC |
735 | ;; Compute lazily to avoid circularity with (guix gexp). |
736 | (delay | |
737 | (let ((module (make-module))) | |
738 | (beautify-user-module! module) | |
739 | ;; Use (guix gexp) so that one can use #~ & co. | |
740 | (module-use! module (resolve-interface '(guix gexp))) | |
741 | module))) | |
56b82106 | 742 | |
ac5de156 LC |
743 | (define (read/eval str) |
744 | "Read and evaluate STR, raising an error if something goes wrong." | |
eb0880e7 LC |
745 | (let ((exp (catch #t |
746 | (lambda () | |
747 | (call-with-input-string str read)) | |
748 | (lambda args | |
69daee23 | 749 | (leave (G_ "failed to read expression ~s: ~s~%") |
eb0880e7 | 750 | str args))))) |
ac5de156 LC |
751 | (catch #t |
752 | (lambda () | |
07254feb | 753 | (eval exp (force %guix-user-module))) |
ac5de156 | 754 | (lambda args |
69daee23 | 755 | (report-error (G_ "failed to evaluate expression '~a':~%") exp) |
41766807 LC |
756 | (match args |
757 | (('syntax-error proc message properties form . rest) | |
69daee23 | 758 | (report-error (G_ "syntax error: ~a~%") message)) |
23185cea | 759 | (('srfi-34 obj) |
f816dba6 | 760 | (if (message-condition? obj) |
69daee23 | 761 | (report-error (G_ "~a~%") |
f816dba6 LC |
762 | (gettext (condition-message obj) |
763 | %gettext-domain)) | |
69daee23 | 764 | (report-error (G_ "exception thrown: ~s~%") obj))) |
41766807 LC |
765 | ((error args ...) |
766 | (apply display-error #f (current-error-port) args)) | |
767 | (what? #f)) | |
768 | (exit 1))))) | |
ac5de156 LC |
769 | |
770 | (define (read/eval-package-expression str) | |
771 | "Read and evaluate STR and return the package it refers to, or exit an | |
772 | error." | |
773 | (match (read/eval str) | |
774 | ((? package? p) p) | |
e465d9e1 | 775 | (x |
69daee23 | 776 | (leave (G_ "expression ~s does not evaluate to a package~%") |
ac5de156 | 777 | str)))) |
eb0880e7 | 778 | |
fa394eb9 | 779 | (define (show-derivation-outputs derivation) |
08c95ba2 LC |
780 | "Show the output file names of DERIVATION, which can be a derivation or a |
781 | derivation input." | |
782 | (define (show-outputs derivation outputs) | |
783 | (format #t "~{~a~%~}" | |
784 | (map (cut derivation->output-path derivation <>) | |
785 | outputs))) | |
786 | ||
787 | (match derivation | |
788 | ((? derivation?) | |
789 | (show-outputs derivation (derivation-output-names derivation))) | |
790 | ((? derivation-input? input) | |
791 | (show-outputs (derivation-input-derivation input) | |
792 | (derivation-input-sub-derivations input))))) | |
fa394eb9 | 793 | |
8120b23e LC |
794 | (define* (check-available-space need |
795 | #:optional (directory (%store-prefix))) | |
796 | "Make sure at least NEED bytes are available in DIRECTORY. Otherwise emit a | |
dcfc6f21 LC |
797 | warning." |
798 | (let ((free (catch 'system-error | |
799 | (lambda () | |
8120b23e | 800 | (free-disk-space directory)) |
dcfc6f21 LC |
801 | (const #f)))) |
802 | (when (and free (>= need free)) | |
803 | (warning (G_ "at least ~,1h MB needed but only ~,1h MB available in ~a~%") | |
8120b23e | 804 | (/ need 1e6) (/ free 1e6) directory)))) |
dcfc6f21 | 805 | |
d4aa147e LC |
806 | (define (graft-derivation? drv) |
807 | "Return true if DRV is definitely a graft derivation, false otherwise." | |
808 | (match (assq-ref (derivation-properties drv) 'type) | |
809 | ('graft #t) | |
810 | (_ #f))) | |
811 | ||
80eebee9 RW |
812 | (define (profile-hook-derivation? drv) |
813 | "Return true if DRV is definitely a profile hook derivation, false otherwise." | |
814 | (match (assq-ref (derivation-properties drv) 'type) | |
815 | ('profile-hook #t) | |
816 | (_ #f))) | |
817 | ||
dd36b51b | 818 | (define* (show-what-to-build store drv |
58c08df0 LC |
819 | #:key dry-run? (use-substitutes? #t) |
820 | (mode (build-mode normal))) | |
9bb2b96a | 821 | "Show what will or would (depending on DRY-RUN?) be built in realizing the |
d38d4ffa LC |
822 | derivations listed in DRV using MODE, a 'build-mode' value. The elements of |
823 | DRV can be either derivations or derivation inputs. | |
824 | ||
825 | Return #t if there's something to build, #f otherwise. When USE-SUBSTITUTES?, | |
826 | check and report what is prerequisites are available for download." | |
827 | (define inputs | |
828 | (map (match-lambda | |
829 | ((? derivation? drv) (derivation-input drv)) | |
830 | ((? derivation-input? input) input)) | |
831 | drv)) | |
832 | ||
2dc98729 | 833 | (define substitutable-info |
e9651e39 LC |
834 | ;; Call 'substitutation-oracle' upfront so we don't end up launching the |
835 | ;; substituter many times. This makes a big difference, especially when | |
836 | ;; DRV is a long list as is the case with 'guix environment'. | |
837 | (if use-substitutes? | |
d74392a8 | 838 | (substitution-oracle store inputs #:mode mode) |
e9651e39 LC |
839 | (const #f))) |
840 | ||
dd36b51b | 841 | (let*-values (((build download) |
d38d4ffa | 842 | (derivation-build-plan store inputs |
9844d009 LC |
843 | #:mode mode |
844 | #:substitutable-info | |
845 | substitutable-info)) | |
80eebee9 | 846 | ((graft hook build) |
9844d009 LC |
847 | (match (fold (lambda (drv acc) |
848 | (let ((file (derivation-file-name drv))) | |
80eebee9 RW |
849 | (match acc |
850 | ((#:graft graft #:hook hook #:build build) | |
851 | (cond | |
852 | ((graft-derivation? drv) | |
853 | `(#:graft ,(cons file graft) | |
854 | #:hook ,hook | |
855 | #:build ,build)) | |
856 | ((profile-hook-derivation? drv) | |
857 | `(#:graft ,graft | |
858 | #:hook ,(cons file hook) | |
859 | #:build ,build)) | |
860 | (else | |
861 | `(#:graft ,graft | |
862 | #:hook ,hook | |
863 | #:build ,(cons file build)))))))) | |
864 | '(#:graft () #:hook () #:build ()) | |
865 | build) | |
866 | ((#:graft graft #:hook hook #:build build) | |
867 | (values graft hook build))))) | |
dcfc6f21 LC |
868 | (define installed-size |
869 | (reduce + 0 (map substitutable-nar-size download))) | |
870 | ||
d9bad2f0 LC |
871 | (define download-size |
872 | (/ (reduce + 0 (map substitutable-download-size download)) | |
873 | 1e6)) | |
874 | ||
875 | (define display-download-size? | |
876 | ;; Sometimes narinfos lack information about the download size. Only | |
877 | ;; display when we have information for all of DOWNLOAD. | |
878 | (not (any (compose zero? substitutable-download-size) download))) | |
879 | ||
9bb2b96a | 880 | (if dry-run? |
dd36b51b LC |
881 | (begin |
882 | (format (current-error-port) | |
83e61a73 LC |
883 | (N_ "~:[The following derivation would be built:~%~{ ~a~%~}~;~]" |
884 | "~:[The following derivations would be built:~%~{ ~a~%~}~;~]" | |
dd36b51b LC |
885 | (length build)) |
886 | (null? build) build) | |
d9bad2f0 LC |
887 | (if display-download-size? |
888 | (format (current-error-port) | |
889 | ;; TRANSLATORS: "MB" is for "megabyte"; it should be | |
890 | ;; translated to the corresponding abbreviation. | |
891 | (G_ "~:[~,1h MB would be downloaded:~%~{ ~a~%~}~;~]") | |
892 | (null? download) | |
893 | download-size | |
894 | (map substitutable-path download)) | |
895 | (format (current-error-port) | |
896 | (N_ "~:[The following file would be downloaded:~%~{ ~a~%~}~;~]" | |
897 | "~:[The following files would be downloaded:~%~{ ~a~%~}~;~]" | |
898 | (length download)) | |
899 | (null? download) | |
d4aa147e LC |
900 | (map substitutable-path download))) |
901 | (format (current-error-port) | |
902 | (N_ "~:[The following graft would be made:~%~{ ~a~%~}~;~]" | |
903 | "~:[The following grafts would be made:~%~{ ~a~%~}~;~]" | |
904 | (length graft)) | |
80eebee9 RW |
905 | (null? graft) graft) |
906 | (format (current-error-port) | |
907 | (N_ "~:[The following profile hook would be built:~%~{ ~a~%~}~;~]" | |
908 | "~:[The following profile hooks would be built:~%~{ ~a~%~}~;~]" | |
909 | (length hook)) | |
910 | (null? hook) hook)) | |
dd36b51b LC |
911 | (begin |
912 | (format (current-error-port) | |
83e61a73 LC |
913 | (N_ "~:[The following derivation will be built:~%~{ ~a~%~}~;~]" |
914 | "~:[The following derivations will be built:~%~{ ~a~%~}~;~]" | |
dd36b51b LC |
915 | (length build)) |
916 | (null? build) build) | |
d9bad2f0 LC |
917 | (if display-download-size? |
918 | (format (current-error-port) | |
919 | ;; TRANSLATORS: "MB" is for "megabyte"; it should be | |
920 | ;; translated to the corresponding abbreviation. | |
921 | (G_ "~:[~,1h MB will be downloaded:~%~{ ~a~%~}~;~]") | |
922 | (null? download) | |
923 | download-size | |
924 | (map substitutable-path download)) | |
925 | (format (current-error-port) | |
926 | (N_ "~:[The following file will be downloaded:~%~{ ~a~%~}~;~]" | |
927 | "~:[The following files will be downloaded:~%~{ ~a~%~}~;~]" | |
928 | (length download)) | |
929 | (null? download) | |
d4aa147e LC |
930 | (map substitutable-path download))) |
931 | (format (current-error-port) | |
932 | (N_ "~:[The following graft will be made:~%~{ ~a~%~}~;~]" | |
933 | "~:[The following grafts will be made:~%~{ ~a~%~}~;~]" | |
934 | (length graft)) | |
80eebee9 RW |
935 | (null? graft) graft) |
936 | (format (current-error-port) | |
937 | (N_ "~:[The following profile hook will be built:~%~{ ~a~%~}~;~]" | |
938 | "~:[The following profile hooks will be built:~%~{ ~a~%~}~;~]" | |
939 | (length hook)) | |
940 | (null? hook) hook))) | |
dcfc6f21 LC |
941 | |
942 | (check-available-space installed-size) | |
943 | ||
dd36b51b | 944 | (pair? build))) |
9bb2b96a | 945 | |
4d043ab6 DT |
946 | (define show-what-to-build* |
947 | (store-lift show-what-to-build)) | |
948 | ||
5d7a8584 AK |
949 | (define (right-arrow port) |
950 | "Return either a string containing the 'RIGHT ARROW' character, or an ASCII | |
951 | replacement if PORT is not Unicode-capable." | |
1062063a LC |
952 | (let ((encoding (port-encoding port)) |
953 | (arrow "→")) | |
954 | (catch 'encoding-error | |
955 | (lambda () | |
956 | (call-with-output-string | |
957 | (lambda (port) | |
958 | (set-port-encoding! port encoding) | |
959 | (set-port-conversion-strategy! port 'error) | |
960 | (display arrow port)))) | |
961 | (lambda (key . args) | |
962 | "->")))) | |
5d7a8584 AK |
963 | |
964 | (define* (show-manifest-transaction store manifest transaction | |
965 | #:key dry-run?) | |
966 | "Display what will/would be installed/removed from MANIFEST by TRANSACTION." | |
967 | (define (package-strings name version output item) | |
968 | (map (lambda (name version output item) | |
969 | (format #f " ~a~:[:~a~;~*~]\t~a\t~a" | |
970 | name | |
971 | (equal? output "out") output version | |
972 | (if (package? item) | |
973 | (package-output store item output) | |
974 | item))) | |
975 | name version output item)) | |
976 | ||
977 | (define → ;an arrow that can be represented on stderr | |
978 | (right-arrow (current-error-port))) | |
979 | ||
980 | (define (upgrade-string name old-version new-version output item) | |
981 | (format #f " ~a~:[:~a~;~*~]\t~a ~a ~a\t~a" | |
982 | name (equal? output "out") output | |
983 | old-version → new-version | |
984 | (if (package? item) | |
985 | (package-output store item output) | |
986 | item))) | |
987 | ||
46b23e1a | 988 | (let-values (((remove install upgrade downgrade) |
5d7a8584 AK |
989 | (manifest-transaction-effects manifest transaction))) |
990 | (match remove | |
991 | ((($ <manifest-entry> name version output item) ..1) | |
992 | (let ((len (length name)) | |
993 | (remove (package-strings name version output item))) | |
994 | (if dry-run? | |
995 | (format (current-error-port) | |
996 | (N_ "The following package would be removed:~%~{~a~%~}~%" | |
997 | "The following packages would be removed:~%~{~a~%~}~%" | |
998 | len) | |
999 | remove) | |
1000 | (format (current-error-port) | |
1001 | (N_ "The following package will be removed:~%~{~a~%~}~%" | |
1002 | "The following packages will be removed:~%~{~a~%~}~%" | |
1003 | len) | |
1004 | remove)))) | |
30906825 | 1005 | (x #f)) |
46b23e1a LC |
1006 | (match downgrade |
1007 | (((($ <manifest-entry> name old-version) | |
1008 | . ($ <manifest-entry> _ new-version output item)) ..1) | |
1009 | (let ((len (length name)) | |
1010 | (downgrade (map upgrade-string | |
1011 | name old-version new-version output item))) | |
1012 | (if dry-run? | |
1013 | (format (current-error-port) | |
1014 | (N_ "The following package would be downgraded:~%~{~a~%~}~%" | |
1015 | "The following packages would be downgraded:~%~{~a~%~}~%" | |
1016 | len) | |
1017 | downgrade) | |
1018 | (format (current-error-port) | |
1019 | (N_ "The following package will be downgraded:~%~{~a~%~}~%" | |
1020 | "The following packages will be downgraded:~%~{~a~%~}~%" | |
1021 | len) | |
1022 | downgrade)))) | |
30906825 | 1023 | (x #f)) |
5d7a8584 AK |
1024 | (match upgrade |
1025 | (((($ <manifest-entry> name old-version) | |
1026 | . ($ <manifest-entry> _ new-version output item)) ..1) | |
1027 | (let ((len (length name)) | |
1028 | (upgrade (map upgrade-string | |
1029 | name old-version new-version output item))) | |
1030 | (if dry-run? | |
1031 | (format (current-error-port) | |
1032 | (N_ "The following package would be upgraded:~%~{~a~%~}~%" | |
1033 | "The following packages would be upgraded:~%~{~a~%~}~%" | |
1034 | len) | |
1035 | upgrade) | |
1036 | (format (current-error-port) | |
1037 | (N_ "The following package will be upgraded:~%~{~a~%~}~%" | |
1038 | "The following packages will be upgraded:~%~{~a~%~}~%" | |
1039 | len) | |
1040 | upgrade)))) | |
30906825 | 1041 | (x #f)) |
5d7a8584 AK |
1042 | (match install |
1043 | ((($ <manifest-entry> name version output item _) ..1) | |
1044 | (let ((len (length name)) | |
1045 | (install (package-strings name version output item))) | |
1046 | (if dry-run? | |
1047 | (format (current-error-port) | |
1048 | (N_ "The following package would be installed:~%~{~a~%~}~%" | |
1049 | "The following packages would be installed:~%~{~a~%~}~%" | |
1050 | len) | |
1051 | install) | |
1052 | (format (current-error-port) | |
1053 | (N_ "The following package will be installed:~%~{~a~%~}~%" | |
1054 | "The following packages will be installed:~%~{~a~%~}~%" | |
1055 | len) | |
1056 | install)))) | |
30906825 | 1057 | (x #f)))) |
5d7a8584 | 1058 | |
073c34d7 LC |
1059 | (define-syntax with-error-handling |
1060 | (syntax-rules () | |
1061 | "Run BODY within a user-friendly error condition handler." | |
1062 | ((_ body ...) | |
1063 | (call-with-error-handling | |
1064 | (lambda () | |
1065 | body ...))))) | |
1066 | ||
299112d3 LC |
1067 | (define* (fill-paragraph str width #:optional (column 0)) |
1068 | "Fill STR such that each line contains at most WIDTH characters, assuming | |
1069 | that the first character is at COLUMN. | |
1070 | ||
1071 | When STR contains a single line break surrounded by other characters, it is | |
1072 | converted to a space; sequences of more than one line break are preserved." | |
1073 | (define (maybe-break chr result) | |
1074 | (match result | |
1075 | ((column newlines chars) | |
1076 | (case chr | |
1077 | ((#\newline) | |
1078 | `(,column ,(+ 1 newlines) ,chars)) | |
1079 | (else | |
3a09e1d2 CS |
1080 | (let* ((spaces (if (and (pair? chars) (eqv? (car chars) #\.)) 2 1)) |
1081 | (chars (case newlines | |
1082 | ((0) chars) | |
1083 | ((1) | |
1084 | (append (make-list spaces #\space) chars)) | |
1085 | (else | |
1086 | (append (make-list newlines #\newline) chars)))) | |
1087 | (column (case newlines | |
1088 | ((0) column) | |
1089 | ((1) (+ spaces column)) | |
1090 | (else 0)))) | |
299112d3 LC |
1091 | (let ((chars (cons chr chars)) |
1092 | (column (+ 1 column))) | |
1093 | (if (> column width) | |
1094 | (let*-values (((before after) | |
1095 | (break (cut eqv? #\space <>) chars)) | |
1096 | ((len) | |
1097 | (length before))) | |
1098 | (if (<= len width) | |
1099 | `(,len | |
1100 | 0 | |
1101 | ,(if (null? after) | |
1102 | before | |
3a09e1d2 CS |
1103 | (append before |
1104 | (cons #\newline | |
1105 | (drop-while (cut eqv? #\space <>) | |
1106 | after))))) | |
299112d3 LC |
1107 | `(,column 0 ,chars))) ; unbreakable |
1108 | `(,column 0 ,chars))))))))) | |
1109 | ||
1110 | (match (string-fold maybe-break | |
1111 | `(,column 0 ()) | |
1112 | str) | |
30906825 | 1113 | ((column newlines chars) |
299112d3 LC |
1114 | (list->string (reverse chars))))) |
1115 | ||
2876b989 LC |
1116 | \f |
1117 | ;;; | |
1118 | ;;; Packages. | |
1119 | ;;; | |
1120 | ||
1cd4027c | 1121 | (define %text-width |
9703fef4 | 1122 | (make-parameter (terminal-columns))) |
1cd4027c ML |
1123 | |
1124 | (set! (@@ (texinfo plain-text) wrap*) | |
1125 | ;; XXX: Monkey patch this private procedure to let 'package->recutils' | |
1126 | ;; parameterize the fill of description field correctly. | |
1127 | (lambda strings | |
1128 | (let ((indent (fluid-ref (@@ (texinfo plain-text) *indent*)))) | |
1129 | (fill-string (string-concatenate strings) | |
1130 | #:line-width (%text-width) #:initial-indent indent | |
1131 | #:subsequent-indent indent)))) | |
1132 | ||
1133 | (define (texi->plain-text str) | |
1134 | "Return a plain-text representation of texinfo fragment STR." | |
08d7e359 LC |
1135 | ;; 'texi-fragment->stexi' uses a string port so make sure it's a |
1136 | ;; Unicode-capable one (see <http://bugs.gnu.org/11197>.) | |
1137 | (with-fluids ((%default-port-encoding "UTF-8")) | |
1138 | (stexi->plain-text (texi-fragment->stexi str)))) | |
1cd4027c | 1139 | |
689db38e AK |
1140 | (define (package-field-string package field-accessor) |
1141 | "Return a plain-text representation of PACKAGE field." | |
1142 | (and=> (field-accessor package) | |
1143 | (compose texi->plain-text P_))) | |
1144 | ||
1cd4027c ML |
1145 | (define (package-description-string package) |
1146 | "Return a plain-text representation of PACKAGE description field." | |
689db38e AK |
1147 | (package-field-string package package-description)) |
1148 | ||
1149 | (define (package-synopsis-string package) | |
1150 | "Return a plain-text representation of PACKAGE synopsis field." | |
1151 | (package-field-string package package-synopsis)) | |
1cd4027c | 1152 | |
299112d3 LC |
1153 | (define (string->recutils str) |
1154 | "Return a version of STR where newlines have been replaced by newlines | |
1155 | followed by \"+ \", which makes for a valid multi-line field value in the | |
1156 | `recutils' syntax." | |
1157 | (list->string | |
1158 | (string-fold-right (lambda (chr result) | |
1159 | (if (eqv? chr #\newline) | |
1160 | (cons* chr #\+ #\space result) | |
1161 | (cons chr result))) | |
1162 | '() | |
1163 | str))) | |
1164 | ||
4ee79f22 LC |
1165 | (define* (package->recutils p port #:optional (width (%text-width)) |
1166 | #:key (extra-fields '())) | |
299112d3 | 1167 | "Write to PORT a `recutils' record of package P, arranging to fit within |
4ee79f22 | 1168 | WIDTH columns. EXTRA-FIELDS is a list of symbol/value pairs to emit." |
069d43a7 LC |
1169 | (define width* |
1170 | ;; The available number of columns once we've taken into account space for | |
1171 | ;; the initial "+ " prefix. | |
1172 | (if (> width 2) (- width 2) width)) | |
1173 | ||
20ffce82 | 1174 | (define (dependencies->recutils packages) |
dbde386e SB |
1175 | (let ((list (string-join (delete-duplicates |
1176 | (map package-full-name | |
1177 | (sort packages package<?))) " "))) | |
20ffce82 | 1178 | (string->recutils |
069d43a7 | 1179 | (fill-paragraph list width* |
20ffce82 LC |
1180 | (string-length "dependencies: "))))) |
1181 | ||
9c0fc279 CR |
1182 | (define (package<? p1 p2) |
1183 | (string<? (package-full-name p1) (package-full-name p2))) | |
1184 | ||
299112d3 LC |
1185 | ;; Note: Don't i18n field names so that people can post-process it. |
1186 | (format port "name: ~a~%" (package-name p)) | |
1187 | (format port "version: ~a~%" (package-version p)) | |
6bf99bac | 1188 | (format port "outputs: ~a~%" (string-join (package-outputs p))) |
5763ad92 LC |
1189 | (format port "systems: ~a~%" |
1190 | (string-join (package-transitive-supported-systems p))) | |
9c0fc279 CR |
1191 | (format port "dependencies: ~a~%" |
1192 | (match (package-direct-inputs p) | |
5e6feee6 EB |
1193 | (((labels inputs . _) ...) |
1194 | (dependencies->recutils (filter package? inputs))))) | |
299112d3 LC |
1195 | (format port "location: ~a~%" |
1196 | (or (and=> (package-location p) location->string) | |
69daee23 | 1197 | (G_ "unknown"))) |
8fa3e6b3 LC |
1198 | |
1199 | ;; Note: Starting from version 1.6 or recutils, hyphens are not allowed in | |
1200 | ;; field identifiers. | |
1201 | (format port "homepage: ~a~%" (package-home-page p)) | |
1202 | ||
299112d3 LC |
1203 | (format port "license: ~a~%" |
1204 | (match (package-license p) | |
1205 | (((? license? licenses) ...) | |
1206 | (string-join (map license-name licenses) | |
1207 | ", ")) | |
1208 | ((? license? license) | |
1209 | (license-name license)) | |
1210 | (x | |
69daee23 | 1211 | (G_ "unknown")))) |
299112d3 LC |
1212 | (format port "synopsis: ~a~%" |
1213 | (string-map (match-lambda | |
4ee79f22 LC |
1214 | (#\newline #\space) |
1215 | (chr chr)) | |
689db38e | 1216 | (or (and=> (package-synopsis-string p) P_) |
299112d3 | 1217 | ""))) |
4ee79f22 | 1218 | (format port "~a~%" |
1cd4027c ML |
1219 | (string->recutils |
1220 | (string-trim-right | |
069d43a7 | 1221 | (parameterize ((%text-width width*)) |
1cd4027c ML |
1222 | (texi->plain-text |
1223 | (string-append "description: " | |
1224 | (or (and=> (package-description p) P_) | |
1225 | "")))) | |
4ee79f22 LC |
1226 | #\newline))) |
1227 | (for-each (match-lambda | |
1228 | ((field . value) | |
1229 | (let ((field (symbol->string field))) | |
1230 | (format port "~a: ~a~%" | |
1231 | field | |
1232 | (fill-paragraph (object->string value) width* | |
1233 | (string-length field)))))) | |
1234 | extra-fields) | |
1235 | (newline port)) | |
299112d3 | 1236 | |
4311cf96 LC |
1237 | \f |
1238 | ;;; | |
1239 | ;;; Searching. | |
1240 | ;;; | |
1241 | ||
c7ae219e LC |
1242 | (define (relevance obj regexps metrics) |
1243 | "Compute a \"relevance score\" for OBJ as a function of its number of | |
1244 | matches of REGEXPS and accordingly to METRICS. METRICS is list of | |
387e6b9e CM |
1245 | field/weight pairs, where FIELD is a procedure that returns a string or list |
1246 | of strings describing OBJ, and WEIGHT is a positive integer denoting the | |
1247 | weight of this field in the final score. | |
c7ae219e LC |
1248 | |
1249 | A score of zero means that OBJ does not match any of REGEXPS. The higher the | |
1250 | score, the more relevant OBJ is to REGEXPS." | |
1251 | (define (score str) | |
8874faaa LC |
1252 | (define scores |
1253 | (map (lambda (regexp) | |
1254 | (fold-matches regexp str 0 | |
1255 | (lambda (m score) | |
1256 | (+ score | |
1257 | (if (string=? (match:substring m) str) | |
1258 | 5 ;exact match | |
1259 | 1))))) | |
1260 | regexps)) | |
1261 | ||
1262 | ;; Return zero if one of REGEXPS doesn't match. | |
1263 | (if (any zero? scores) | |
1264 | 0 | |
1265 | (reduce + 0 scores))) | |
c7ae219e LC |
1266 | |
1267 | (fold (lambda (metric relevance) | |
1268 | (match metric | |
1269 | ((field . weight) | |
1270 | (match (field obj) | |
1271 | (#f relevance) | |
387e6b9e CM |
1272 | ((? string? str) |
1273 | (+ relevance (* (score str) weight))) | |
1274 | ((lst ...) | |
1275 | (+ relevance (* weight (apply + (map score lst))))))))) | |
c7ae219e LC |
1276 | 0 |
1277 | metrics)) | |
1278 | ||
1279 | (define %package-metrics | |
1280 | ;; Metrics used to compute the "relevance score" of a package against a set | |
1281 | ;; of regexps. | |
304a53f6 | 1282 | `((,package-name . 4) |
94aeec0a | 1283 | |
387e6b9e CM |
1284 | ;; Match against uncommon outputs. |
1285 | (,(lambda (package) | |
1286 | (filter (lambda (output) | |
1287 | (not (member output | |
1288 | ;; Some common outpus shared by many packages. | |
1289 | '("out" "doc" "debug" "lib" "include" "bin")))) | |
1290 | (package-outputs package))) | |
1291 | . 1) | |
1292 | ||
94aeec0a LC |
1293 | ;; Match regexps on the raw Texinfo since formatting it is quite expensive |
1294 | ;; and doesn't have much of an effect on search results. | |
1295 | (,(lambda (package) | |
1296 | (and=> (package-synopsis package) P_)) . 3) | |
1297 | (,(lambda (package) | |
1298 | (and=> (package-description package) P_)) . 2) | |
1299 | ||
304a53f6 LC |
1300 | (,(lambda (type) |
1301 | (match (and=> (package-location type) location-file) | |
1302 | ((? string? file) (basename file ".scm")) | |
1303 | (#f ""))) | |
1304 | . 1))) | |
c7ae219e LC |
1305 | |
1306 | (define (package-relevance package regexps) | |
1307 | "Return a score denoting the relevance of PACKAGE for REGEXPS. A score of | |
1308 | zero means that PACKAGE does not match any of REGEXPS." | |
1309 | (relevance package regexps %package-metrics)) | |
1310 | ||
4311cf96 LC |
1311 | (define* (display-search-results matches port |
1312 | #:key | |
1313 | (command "guix search") | |
1314 | (print package->recutils)) | |
1315 | "Display MATCHES, a list of object/score pairs, by calling PRINT on each of | |
1316 | them. If PORT is a terminal, print at most a full screen of results." | |
1317 | (define first-line | |
1318 | (port-line port)) | |
1319 | ||
1320 | (define max-rows | |
1321 | (and first-line (isatty? port) | |
1322 | (terminal-rows port))) | |
1323 | ||
1324 | (define (line-count str) | |
1325 | (string-count str #\newline)) | |
1326 | ||
1327 | (let loop ((matches matches)) | |
1328 | (match matches | |
1329 | (((package . score) rest ...) | |
1330 | (let ((text (call-with-output-string | |
1331 | (lambda (port) | |
1332 | (print package port | |
1333 | #:extra-fields | |
1334 | `((relevance . ,score))))))) | |
1335 | (if (and max-rows | |
1336 | (> (port-line port) first-line) ;print at least one result | |
1337 | (> (+ 4 (line-count text) (port-line port)) | |
1338 | max-rows)) | |
1339 | (unless (null? rest) | |
1340 | (display-hint (format #f (G_ "Run @code{~a ... | less} \ | |
1341 | to view all the results.") | |
1342 | command))) | |
1343 | (begin | |
1344 | (display text port) | |
1345 | (loop rest))))) | |
1346 | (() | |
1347 | #t)))) | |
1348 | ||
1349 | \f | |
2cd09108 NK |
1350 | (define (string->generations str) |
1351 | "Return the list of generations matching a pattern in STR. This function | |
1352 | accepts the following patterns: \"1\", \"1,2,3\", \"1..9\", \"1..\", \"..9\"." | |
1353 | (define (maybe-integer) | |
1354 | (let ((x (string->number str))) | |
1355 | (and (integer? x) | |
1356 | x))) | |
1357 | ||
1358 | (define (maybe-comma-separated-integers) | |
1359 | (let ((lst (delete-duplicates | |
1360 | (map string->number | |
1361 | (string-split str #\,))))) | |
1362 | (and (every integer? lst) | |
1363 | lst))) | |
1364 | ||
1365 | (cond ((maybe-integer) | |
1366 | => | |
1367 | list) | |
1368 | ((maybe-comma-separated-integers) | |
1369 | => | |
1370 | identity) | |
1371 | ((string-match "^([0-9]+)\\.\\.([0-9]+)$" str) | |
1372 | => | |
1373 | (lambda (match) | |
1374 | (let ((s (string->number (match:substring match 1))) | |
1375 | (e (string->number (match:substring match 2)))) | |
1376 | (and (every integer? (list s e)) | |
1377 | (<= s e) | |
1378 | (iota (1+ (- e s)) s))))) | |
1379 | ((string-match "^([0-9]+)\\.\\.$" str) | |
1380 | => | |
1381 | (lambda (match) | |
1382 | (let ((s (string->number (match:substring match 1)))) | |
1383 | (and (integer? s) | |
1384 | `(>= ,s))))) | |
1385 | ((string-match "^\\.\\.([0-9]+)$" str) | |
1386 | => | |
1387 | (lambda (match) | |
1388 | (let ((e (string->number (match:substring match 1)))) | |
1389 | (and (integer? e) | |
1390 | `(<= ,e))))) | |
1391 | (else #f))) | |
1392 | ||
1393 | (define (string->duration str) | |
1394 | "Return the duration matching a pattern in STR. This function accepts the | |
1395 | following patterns: \"1d\", \"1w\", \"1m\"." | |
1396 | (define (hours->duration hours match) | |
1397 | (make-time time-duration 0 | |
1398 | (* 3600 hours (string->number (match:substring match 1))))) | |
1399 | ||
638c5b79 LC |
1400 | (cond ((string-match "^([0-9]+)s$" str) |
1401 | => | |
1402 | (lambda (match) | |
1403 | (make-time time-duration 0 | |
1404 | (string->number (match:substring match 1))))) | |
1405 | ((string-match "^([0-9]+)h$" str) | |
30d2397f | 1406 | => |
638c5b79 LC |
1407 | (lambda (match) |
1408 | (hours->duration 1 match))) | |
1409 | ((string-match "^([0-9]+)d$" str) | |
2cd09108 NK |
1410 | => |
1411 | (lambda (match) | |
1412 | (hours->duration 24 match))) | |
1413 | ((string-match "^([0-9]+)w$" str) | |
1414 | => | |
1415 | (lambda (match) | |
1416 | (hours->duration (* 24 7) match))) | |
1417 | ((string-match "^([0-9]+)m$" str) | |
1418 | => | |
1419 | (lambda (match) | |
1420 | (hours->duration (* 24 30) match))) | |
1421 | (else #f))) | |
1422 | ||
e49de93a LC |
1423 | (define* (matching-generations str profile |
1424 | #:key (duration-relation <=)) | |
1425 | "Return the list of available generations matching a pattern in STR. See | |
1426 | 'string->generations' and 'string->duration' for the list of valid patterns. | |
1427 | When STR is a duration pattern, return all the generations whose ctime has | |
1428 | DURATION-RELATION with the current time." | |
1429 | (define (valid-generations lst) | |
1430 | (define (valid-generation? n) | |
1431 | (any (cut = n <>) (generation-numbers profile))) | |
1432 | ||
1433 | (fold-right (lambda (x acc) | |
1434 | (if (valid-generation? x) | |
1435 | (cons x acc) | |
1436 | acc)) | |
1437 | '() | |
1438 | lst)) | |
1439 | ||
1440 | (define (filter-generations generations) | |
1441 | (match generations | |
1442 | (() '()) | |
1443 | (('>= n) | |
1444 | (drop-while (cut > n <>) | |
1445 | (generation-numbers profile))) | |
1446 | (('<= n) | |
1447 | (valid-generations (iota n 1))) | |
1448 | ((lst ..1) | |
1449 | (valid-generations lst)) | |
30906825 | 1450 | (x #f))) |
e49de93a LC |
1451 | |
1452 | (define (filter-by-duration duration) | |
1453 | (define (time-at-midnight time) | |
1454 | ;; Return TIME at midnight by setting nanoseconds, seconds, minutes, and | |
1455 | ;; hours to zeros. | |
1456 | (let ((d (time-utc->date time))) | |
1457 | (date->time-utc | |
1458 | (make-date 0 0 0 0 | |
1459 | (date-day d) (date-month d) | |
1460 | (date-year d) (date-zone-offset d))))) | |
1461 | ||
1462 | (define generation-ctime-alist | |
1463 | (map (lambda (number) | |
1464 | (cons number | |
1465 | (time-second | |
1466 | (time-at-midnight | |
1467 | (generation-time profile number))))) | |
1468 | (generation-numbers profile))) | |
1469 | ||
1470 | (match duration | |
1471 | (#f #f) | |
1472 | (res | |
1473 | (let ((s (time-second | |
1474 | (subtract-duration (time-at-midnight (current-time)) | |
1475 | duration)))) | |
1476 | (delete #f (map (lambda (x) | |
1477 | (and (duration-relation s (cdr x)) | |
1478 | (first x))) | |
1479 | generation-ctime-alist)))))) | |
1480 | ||
1481 | (cond ((string->generations str) | |
1482 | => | |
1483 | filter-generations) | |
1484 | ((string->duration str) | |
1485 | => | |
1486 | filter-by-duration) | |
1487 | (else #f))) | |
1488 | ||
ad18c7e6 LC |
1489 | (define (display-generation profile number) |
1490 | "Display a one-line summary of generation NUMBER of PROFILE." | |
1491 | (unless (zero? number) | |
3dae43a9 | 1492 | (let ((header (format #f (highlight (G_ "Generation ~a\t~a")) number |
ad18c7e6 LC |
1493 | (date->string |
1494 | (time-utc->date | |
1495 | (generation-time profile number)) | |
af09bed7 JL |
1496 | ;; TRANSLATORS: This is a format-string for date->string. |
1497 | ;; Please choose a format that corresponds to the | |
1498 | ;; usual way of presenting dates in your locale. | |
1499 | ;; See https://www.gnu.org/software/guile/manual/html_node/SRFI_002d19-Date-to-string.html | |
1500 | ;; for details. | |
1501 | (G_ "~b ~d ~Y ~T")))) | |
ad18c7e6 LC |
1502 | (current (generation-number profile))) |
1503 | (if (= number current) | |
3bd9672c LC |
1504 | ;; TRANSLATORS: The word "current" here is an adjective for |
1505 | ;; "Generation", as in "current generation". Use the appropriate | |
1506 | ;; gender where applicable. | |
69daee23 | 1507 | (format #t (G_ "~a\t(current)~%") header) |
ad18c7e6 LC |
1508 | (format #t "~a~%" header))))) |
1509 | ||
e95ae7c2 | 1510 | (define (display-profile-content-diff profile gen1 gen2) |
dc013aff | 1511 | "Display the changed packages in PROFILE GEN2 compared to generation GEN1." |
e95ae7c2 RJ |
1512 | |
1513 | (define (equal-entry? first second) | |
1514 | (string= (manifest-entry-item first) (manifest-entry-item second))) | |
1515 | ||
1516 | (define (display-entry entry prefix) | |
1517 | (match entry | |
1518 | (($ <manifest-entry> name version output location _) | |
1519 | (format #t " ~a ~a\t~a\t~a\t~a~%" prefix name version output location)))) | |
1520 | ||
1521 | (define (list-entries number) | |
1522 | (manifest-entries (profile-manifest (generation-file-name profile number)))) | |
1523 | ||
1524 | (define (display-diff profile old new) | |
1525 | (display-generation profile new) | |
1526 | (let ((added (lset-difference | |
1527 | equal-entry? (list-entries new) (list-entries old))) | |
1528 | (removed (lset-difference | |
1529 | equal-entry? (list-entries old) (list-entries new)))) | |
1530 | (for-each (cut display-entry <> "+") added) | |
88bdbb2a RJ |
1531 | (for-each (cut display-entry <> "-") removed) |
1532 | (newline))) | |
e95ae7c2 RJ |
1533 | |
1534 | (display-diff profile gen1 gen2)) | |
1535 | ||
ad18c7e6 LC |
1536 | (define (display-profile-content profile number) |
1537 | "Display the packages in PROFILE, generation NUMBER, in a human-readable | |
1538 | way." | |
1539 | (for-each (match-lambda | |
1540 | (($ <manifest-entry> name version output location _) | |
1541 | (format #t " ~a\t~a\t~a\t~a~%" | |
1542 | name version output location))) | |
1543 | ||
1544 | ;; Show most recently installed packages last. | |
1545 | (reverse | |
1546 | (manifest-entries | |
1547 | (profile-manifest (generation-file-name profile number)))))) | |
1548 | ||
06d45f45 | 1549 | (define (display-generation-change previous current) |
69daee23 | 1550 | (format #t (G_ "switched from generation ~a to ~a~%") previous current)) |
06d45f45 LC |
1551 | |
1552 | (define (roll-back* store profile) | |
1553 | "Like 'roll-back', but display what is happening." | |
1554 | (call-with-values | |
1555 | (lambda () | |
1556 | (roll-back store profile)) | |
1557 | display-generation-change)) | |
1558 | ||
1559 | (define (switch-to-generation* profile number) | |
1560 | "Like 'switch-generation', but display what is happening." | |
1561 | (let ((previous (switch-to-generation profile number))) | |
1562 | (display-generation-change previous number))) | |
1563 | ||
1564 | (define (delete-generation* store profile generation) | |
1565 | "Like 'delete-generation', but display what is going on." | |
69daee23 | 1566 | (format #t (G_ "deleting ~a~%") |
06d45f45 LC |
1567 | (generation-file-name profile generation)) |
1568 | (delete-generation store profile generation)) | |
1569 | ||
2876b989 LC |
1570 | (define* (package-specification->name+version+output spec |
1571 | #:optional (output "out")) | |
1572 | "Parse package specification SPEC and return three value: the specified | |
1573 | package name, version number (or #f), and output name (or OUTPUT). SPEC may | |
1574 | optionally contain a version number and an output name, as in these examples: | |
1575 | ||
1576 | guile | |
1b846da8 | 1577 | guile@2.0.9 |
2876b989 | 1578 | guile:debug |
1b846da8 | 1579 | guile@2.0.9:debug |
2876b989 LC |
1580 | " |
1581 | (let*-values (((name sub-drv) | |
1582 | (match (string-rindex spec #\:) | |
1583 | (#f (values spec output)) | |
1584 | (colon (values (substring spec 0 colon) | |
1585 | (substring spec (+ 1 colon)))))) | |
1586 | ((name version) | |
1587 | (package-name->name+version name))) | |
1588 | (values name version sub-drv))) | |
1589 | ||
1590 | \f | |
1591 | ;;; | |
1592 | ;;; Command-line option processing. | |
1593 | ;;; | |
1594 | ||
e49951eb | 1595 | (define (show-guix-usage) |
e49951eb | 1596 | (format (current-error-port) |
69daee23 | 1597 | (G_ "Try `guix --help' for more information.~%")) |
25c93676 | 1598 | (exit 1)) |
e49951eb | 1599 | |
e31ff8b8 LC |
1600 | (define (command-files) |
1601 | "Return the list of source files that define Guix sub-commands." | |
1602 | (define directory | |
1603 | (and=> (search-path %load-path "guix.scm") | |
1604 | (compose (cut string-append <> "/guix/scripts") | |
1605 | dirname))) | |
1606 | ||
2b8cf44f LC |
1607 | (define dot-scm? |
1608 | (cut string-suffix? ".scm" <>)) | |
1609 | ||
e31ff8b8 | 1610 | (if directory |
09d809db | 1611 | (scandir directory dot-scm?) |
e31ff8b8 LC |
1612 | '())) |
1613 | ||
1614 | (define (commands) | |
1615 | "Return the list of Guix command names." | |
1616 | (map (compose (cut string-drop-right <> 4) | |
1617 | basename) | |
1618 | (command-files))) | |
1619 | ||
1620 | (define (show-guix-help) | |
59f734f3 | 1621 | (define (internal? command) |
94d92c77 LC |
1622 | (member command '("substitute" "authenticate" "offload" |
1623 | "perform-download"))) | |
59f734f3 | 1624 | |
69daee23 | 1625 | (format #t (G_ "Usage: guix COMMAND ARGS... |
e31ff8b8 LC |
1626 | Run COMMAND with ARGS.\n")) |
1627 | (newline) | |
69daee23 | 1628 | (format #t (G_ "COMMAND must be one of the sub-commands listed below:\n")) |
e31ff8b8 LC |
1629 | (newline) |
1630 | ;; TODO: Display a synopsis of each command. | |
59f734f3 LC |
1631 | (format #t "~{ ~a~%~}" (sort (remove internal? (commands)) |
1632 | string<?)) | |
e31ff8b8 LC |
1633 | (show-bug-report-information)) |
1634 | ||
ec5d0a85 LC |
1635 | (define (run-guix-command command . args) |
1636 | "Run COMMAND with the given ARGS. Report an error when COMMAND is not | |
1637 | found." | |
1638 | (define module | |
1639 | (catch 'misc-error | |
1640 | (lambda () | |
1641 | (resolve-interface `(guix scripts ,command))) | |
1642 | (lambda - | |
25c93676 | 1643 | (format (current-error-port) |
69daee23 | 1644 | (G_ "guix: ~a: command not found~%") command) |
25c93676 | 1645 | (show-guix-usage)))) |
ec5d0a85 LC |
1646 | |
1647 | (let ((command-main (module-ref module | |
1648 | (symbol-append 'guix- command)))) | |
1649 | (parameterize ((program-name command)) | |
14d5ca2e LC |
1650 | ;; Disable canonicalization so we don't don't stat unreasonably. |
1651 | (with-fluids ((%file-port-name-canonicalization #f)) | |
f4453df9 LC |
1652 | (dynamic-wind |
1653 | (const #f) | |
1654 | (lambda () | |
1655 | (apply command-main args)) | |
1656 | (lambda () | |
1657 | ;; Abuse 'exit-hook' (which is normally meant to be used by the | |
1658 | ;; REPL) to run things like profiling hooks upon completion. | |
1659 | (run-hook exit-hook))))))) | |
ec5d0a85 | 1660 | |
caa6732e AK |
1661 | (define (run-guix . args) |
1662 | "Run the 'guix' command defined by command line ARGS. | |
1663 | Unlike 'guix-main', this procedure assumes that locale, i18n support, | |
1664 | and signal handling has already been set up." | |
1665 | (define option? (cut string-prefix? "-" <>)) | |
1666 | ||
cbee9559 LC |
1667 | ;; The default %LOAD-EXTENSIONS includes the empty string, which doubles the |
1668 | ;; number of 'stat' calls per entry in %LOAD-PATH. Shamelessly remove it. | |
1669 | (set! %load-extensions '(".scm")) | |
1670 | ||
caa6732e AK |
1671 | (match args |
1672 | (() | |
1673 | (format (current-error-port) | |
69daee23 | 1674 | (G_ "guix: missing command name~%")) |
caa6732e AK |
1675 | (show-guix-usage)) |
1676 | ((or ("-h") ("--help")) | |
1677 | (show-guix-help)) | |
85c3fbf5 | 1678 | ((or ("-V") ("--version")) |
caa6732e AK |
1679 | (show-version-and-exit "guix")) |
1680 | (((? option? o) args ...) | |
1681 | (format (current-error-port) | |
69daee23 | 1682 | (G_ "guix: unrecognized option '~a'~%") o) |
caa6732e | 1683 | (show-guix-usage)) |
2ab5fdc4 LC |
1684 | (("help" command) |
1685 | (apply run-guix-command (string->symbol command) | |
1686 | '("--help"))) | |
caa6732e AK |
1687 | (("help" args ...) |
1688 | (show-guix-help)) | |
1689 | ((command args ...) | |
1690 | (apply run-guix-command | |
1691 | (string->symbol command) | |
1692 | args)))) | |
1693 | ||
e49951eb MW |
1694 | (define (guix-main arg0 . args) |
1695 | (initialize-guix) | |
caa6732e | 1696 | (apply run-guix args)) |
e49951eb | 1697 | |
073c34d7 | 1698 | ;;; ui.scm ends here |