Commit | Line | Data |
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cc4ecc2d | 1 | ;;; GNU Guix --- Functional package management for GNU |
e87f0591 | 2 | ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
cc4ecc2d | 3 | ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> |
343745c8 | 4 | ;;; Copyright © 2014 Alex Kost <alezost@gmail.com> |
536c3ee4 | 5 | ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org> |
cc4ecc2d LC |
6 | ;;; |
7 | ;;; This file is part of GNU Guix. | |
8 | ;;; | |
9 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
10 | ;;; under the terms of the GNU General Public License as published by | |
11 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
12 | ;;; your option) any later version. | |
13 | ;;; | |
14 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
15 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;;; GNU General Public License for more details. | |
18 | ;;; | |
19 | ;;; You should have received a copy of the GNU General Public License | |
20 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | (define-module (guix profiles) | |
23 | #:use-module (guix utils) | |
24 | #:use-module (guix records) | |
cc4ecc2d | 25 | #:use-module (guix packages) |
e89431bf LC |
26 | #:use-module (guix derivations) |
27 | #:use-module (guix search-paths) | |
a54c94a4 | 28 | #:use-module (guix gexp) |
79ee406d | 29 | #:use-module (guix monads) |
e87f0591 | 30 | #:use-module (guix store) |
cc4ecc2d LC |
31 | #:use-module (ice-9 match) |
32 | #:use-module (ice-9 regex) | |
33 | #:use-module (ice-9 ftw) | |
343745c8 | 34 | #:use-module (ice-9 format) |
cc4ecc2d LC |
35 | #:use-module (srfi srfi-1) |
36 | #:use-module (srfi srfi-9) | |
79601521 | 37 | #:use-module (srfi srfi-11) |
cc4ecc2d LC |
38 | #:use-module (srfi srfi-19) |
39 | #:use-module (srfi srfi-26) | |
c0c018f1 AK |
40 | #:use-module (srfi srfi-34) |
41 | #:use-module (srfi srfi-35) | |
42 | #:export (&profile-error | |
43 | profile-error? | |
44 | profile-error-profile | |
45 | &profile-not-found-error | |
46 | profile-not-found-error? | |
47 | &missing-generation-error | |
48 | missing-generation-error? | |
49 | missing-generation-error-generation | |
50 | ||
51 | manifest make-manifest | |
cc4ecc2d LC |
52 | manifest? |
53 | manifest-entries | |
54 | ||
55 | <manifest-entry> ; FIXME: eventually make it internal | |
56 | manifest-entry | |
57 | manifest-entry? | |
58 | manifest-entry-name | |
59 | manifest-entry-version | |
60 | manifest-entry-output | |
a54c94a4 | 61 | manifest-entry-item |
cc4ecc2d | 62 | manifest-entry-dependencies |
dedb17ad | 63 | manifest-entry-search-paths |
cc4ecc2d | 64 | |
a2078770 LC |
65 | manifest-pattern |
66 | manifest-pattern? | |
67 | ||
cc4ecc2d | 68 | manifest-remove |
f7554030 | 69 | manifest-add |
ef8993e2 | 70 | manifest-lookup |
cc4ecc2d | 71 | manifest-installed? |
a2078770 | 72 | manifest-matching-entries |
cc4ecc2d | 73 | |
343745c8 AK |
74 | manifest-transaction |
75 | manifest-transaction? | |
76 | manifest-transaction-install | |
77 | manifest-transaction-remove | |
78 | manifest-perform-transaction | |
79601521 | 79 | manifest-transaction-effects |
343745c8 | 80 | |
cc4ecc2d | 81 | profile-manifest |
462f5cca | 82 | package->manifest-entry |
8404ed5c | 83 | packages->manifest |
aa46a028 | 84 | %default-profile-hooks |
cc4ecc2d LC |
85 | profile-derivation |
86 | generation-number | |
87 | generation-numbers | |
f452e8ff | 88 | profile-generations |
3ccde087 | 89 | relative-generation |
cc4ecc2d LC |
90 | previous-generation-number |
91 | generation-time | |
92 | generation-file-name)) | |
93 | ||
94 | ;;; Commentary: | |
95 | ;;; | |
96 | ;;; Tools to create and manipulate profiles---i.e., the representation of a | |
97 | ;;; set of installed packages. | |
98 | ;;; | |
99 | ;;; Code: | |
100 | ||
101 | \f | |
c0c018f1 AK |
102 | ;;; |
103 | ;;; Condition types. | |
104 | ;;; | |
105 | ||
106 | (define-condition-type &profile-error &error | |
107 | profile-error? | |
108 | (profile profile-error-profile)) | |
109 | ||
110 | (define-condition-type &profile-not-found-error &profile-error | |
111 | profile-not-found-error?) | |
112 | ||
113 | (define-condition-type &missing-generation-error &profile-error | |
114 | missing-generation-error? | |
115 | (generation missing-generation-error-generation)) | |
116 | ||
117 | \f | |
cc4ecc2d LC |
118 | ;;; |
119 | ;;; Manifests. | |
120 | ;;; | |
121 | ||
122 | (define-record-type <manifest> | |
123 | (manifest entries) | |
124 | manifest? | |
125 | (entries manifest-entries)) ; list of <manifest-entry> | |
126 | ||
127 | ;; Convenient alias, to avoid name clashes. | |
128 | (define make-manifest manifest) | |
129 | ||
130 | (define-record-type* <manifest-entry> manifest-entry | |
131 | make-manifest-entry | |
132 | manifest-entry? | |
133 | (name manifest-entry-name) ; string | |
134 | (version manifest-entry-version) ; string | |
135 | (output manifest-entry-output ; string | |
136 | (default "out")) | |
a54c94a4 | 137 | (item manifest-entry-item) ; package | store path |
4ca0b410 | 138 | (dependencies manifest-entry-dependencies ; (store path | package)* |
dedb17ad LC |
139 | (default '())) |
140 | (search-paths manifest-entry-search-paths ; search-path-specification* | |
4ca0b410 | 141 | (default '()))) |
cc4ecc2d | 142 | |
a2078770 LC |
143 | (define-record-type* <manifest-pattern> manifest-pattern |
144 | make-manifest-pattern | |
145 | manifest-pattern? | |
146 | (name manifest-pattern-name) ; string | |
147 | (version manifest-pattern-version ; string | #f | |
148 | (default #f)) | |
149 | (output manifest-pattern-output ; string | #f | |
150 | (default "out"))) | |
151 | ||
cc4ecc2d LC |
152 | (define (profile-manifest profile) |
153 | "Return the PROFILE's manifest." | |
154 | (let ((file (string-append profile "/manifest"))) | |
155 | (if (file-exists? file) | |
156 | (call-with-input-file file read-manifest) | |
157 | (manifest '())))) | |
158 | ||
462f5cca LC |
159 | (define* (package->manifest-entry package #:optional output) |
160 | "Return a manifest entry for the OUTPUT of package PACKAGE. When OUTPUT is | |
161 | omitted or #f, use the first output of PACKAGE." | |
162 | (let ((deps (map (match-lambda | |
163 | ((label package) | |
b4a4bec0 | 164 | (gexp-input package)) |
462f5cca | 165 | ((label package output) |
b4a4bec0 | 166 | (gexp-input package output))) |
462f5cca LC |
167 | (package-transitive-propagated-inputs package)))) |
168 | (manifest-entry | |
169 | (name (package-name package)) | |
170 | (version (package-version package)) | |
171 | (output (or output (car (package-outputs package)))) | |
172 | (item package) | |
dedb17ad LC |
173 | (dependencies (delete-duplicates deps)) |
174 | (search-paths (package-native-search-paths package))))) | |
462f5cca | 175 | |
8404ed5c DT |
176 | (define (packages->manifest packages) |
177 | "Return a list of manifest entries, one for each item listed in PACKAGES. | |
178 | Elements of PACKAGES can be either package objects or package/string tuples | |
179 | denoting a specific output of a package." | |
180 | (manifest | |
181 | (map (match-lambda | |
182 | ((package output) | |
183 | (package->manifest-entry package output)) | |
184 | (package | |
185 | (package->manifest-entry package))) | |
186 | packages))) | |
187 | ||
a54c94a4 LC |
188 | (define (manifest->gexp manifest) |
189 | "Return a representation of MANIFEST as a gexp." | |
190 | (define (entry->gexp entry) | |
cc4ecc2d | 191 | (match entry |
dedb17ad LC |
192 | (($ <manifest-entry> name version output (? string? path) |
193 | (deps ...) (search-paths ...)) | |
194 | #~(#$name #$version #$output #$path | |
195 | (propagated-inputs #$deps) | |
196 | (search-paths #$(map search-path-specification->sexp | |
197 | search-paths)))) | |
198 | (($ <manifest-entry> name version output (? package? package) | |
199 | (deps ...) (search-paths ...)) | |
a54c94a4 | 200 | #~(#$name #$version #$output |
dedb17ad LC |
201 | (ungexp package (or output "out")) |
202 | (propagated-inputs #$deps) | |
203 | (search-paths #$(map search-path-specification->sexp | |
204 | search-paths)))))) | |
cc4ecc2d LC |
205 | |
206 | (match manifest | |
207 | (($ <manifest> (entries ...)) | |
dedb17ad | 208 | #~(manifest (version 2) |
a54c94a4 | 209 | (packages #$(map entry->gexp entries)))))) |
cc4ecc2d | 210 | |
dedb17ad LC |
211 | (define (find-package name version) |
212 | "Return a package from the distro matching NAME and possibly VERSION. This | |
213 | procedure is here for backward-compatibility and will eventually vanish." | |
214 | (define find-best-packages-by-name ;break abstractions | |
215 | (module-ref (resolve-interface '(gnu packages)) | |
216 | 'find-best-packages-by-name)) | |
217 | ||
218 | ;; Use 'find-best-packages-by-name' and not 'find-packages-by-name'; the | |
219 | ;; former traverses the module tree only once and then allows for efficient | |
220 | ;; access via a vhash. | |
221 | (match (find-best-packages-by-name name version) | |
222 | ((p _ ...) p) | |
223 | (_ | |
224 | (match (find-best-packages-by-name name #f) | |
225 | ((p _ ...) p) | |
226 | (_ #f))))) | |
227 | ||
cc4ecc2d LC |
228 | (define (sexp->manifest sexp) |
229 | "Parse SEXP as a manifest." | |
dedb17ad LC |
230 | (define (infer-search-paths name version) |
231 | ;; Infer the search path specifications for NAME-VERSION by looking up a | |
232 | ;; same-named package in the distro. Useful for the old manifest formats | |
233 | ;; that did not store search path info. | |
234 | (let ((package (find-package name version))) | |
235 | (if package | |
236 | (package-native-search-paths package) | |
237 | '()))) | |
238 | ||
cc4ecc2d LC |
239 | (match sexp |
240 | (('manifest ('version 0) | |
241 | ('packages ((name version output path) ...))) | |
242 | (manifest | |
243 | (map (lambda (name version output path) | |
244 | (manifest-entry | |
245 | (name name) | |
246 | (version version) | |
247 | (output output) | |
dedb17ad LC |
248 | (item path) |
249 | (search-paths (infer-search-paths name version)))) | |
cc4ecc2d LC |
250 | name version output path))) |
251 | ||
252 | ;; Version 1 adds a list of propagated inputs to the | |
253 | ;; name/version/output/path tuples. | |
254 | (('manifest ('version 1) | |
255 | ('packages ((name version output path deps) ...))) | |
256 | (manifest | |
257 | (map (lambda (name version output path deps) | |
d34736c5 LC |
258 | ;; Up to Guix 0.7 included, dependencies were listed as ("gmp" |
259 | ;; "/gnu/store/...-gmp") for instance. Discard the 'label' in | |
260 | ;; such lists. | |
261 | (let ((deps (match deps | |
262 | (((labels directories) ...) | |
263 | directories) | |
264 | ((directories ...) | |
265 | directories)))) | |
266 | (manifest-entry | |
267 | (name name) | |
268 | (version version) | |
269 | (output output) | |
270 | (item path) | |
dedb17ad LC |
271 | (dependencies deps) |
272 | (search-paths (infer-search-paths name version))))) | |
cc4ecc2d LC |
273 | name version output path deps))) |
274 | ||
dedb17ad LC |
275 | ;; Version 2 adds search paths and is slightly more verbose. |
276 | (('manifest ('version 2 minor-version ...) | |
277 | ('packages ((name version output path | |
278 | ('propagated-inputs deps) | |
279 | ('search-paths search-paths) | |
280 | extra-stuff ...) | |
281 | ...))) | |
282 | (manifest | |
283 | (map (lambda (name version output path deps search-paths) | |
284 | (manifest-entry | |
285 | (name name) | |
286 | (version version) | |
287 | (output output) | |
288 | (item path) | |
289 | (dependencies deps) | |
290 | (search-paths (map sexp->search-path-specification | |
291 | search-paths)))) | |
292 | name version output path deps search-paths))) | |
cc4ecc2d | 293 | (_ |
88aab8e3 LC |
294 | (raise (condition |
295 | (&message (message "unsupported manifest format"))))))) | |
cc4ecc2d LC |
296 | |
297 | (define (read-manifest port) | |
298 | "Return the packages listed in MANIFEST." | |
299 | (sexp->manifest (read port))) | |
300 | ||
a2078770 LC |
301 | (define (entry-predicate pattern) |
302 | "Return a procedure that returns #t when passed a manifest entry that | |
303 | matches NAME/OUTPUT/VERSION. OUTPUT and VERSION may be #f, in which case they | |
304 | are ignored." | |
305 | (match pattern | |
306 | (($ <manifest-pattern> name version output) | |
307 | (match-lambda | |
308 | (($ <manifest-entry> entry-name entry-version entry-output) | |
309 | (and (string=? entry-name name) | |
310 | (or (not entry-output) (not output) | |
311 | (string=? entry-output output)) | |
312 | (or (not version) | |
313 | (string=? entry-version version)))))))) | |
314 | ||
315 | (define (manifest-remove manifest patterns) | |
316 | "Remove entries for each of PATTERNS from MANIFEST. Each item in PATTERNS | |
317 | must be a manifest-pattern." | |
318 | (define (remove-entry pattern lst) | |
319 | (remove (entry-predicate pattern) lst)) | |
320 | ||
321 | (make-manifest (fold remove-entry | |
cc4ecc2d | 322 | (manifest-entries manifest) |
a2078770 | 323 | patterns))) |
cc4ecc2d | 324 | |
f7554030 AK |
325 | (define (manifest-add manifest entries) |
326 | "Add a list of manifest ENTRIES to MANIFEST and return new manifest. | |
327 | Remove MANIFEST entries that have the same name and output as ENTRIES." | |
328 | (define (same-entry? entry name output) | |
329 | (match entry | |
330 | (($ <manifest-entry> entry-name _ entry-output _ ...) | |
331 | (and (equal? name entry-name) | |
332 | (equal? output entry-output))))) | |
333 | ||
334 | (make-manifest | |
335 | (append entries | |
336 | (fold (lambda (entry result) | |
337 | (match entry | |
338 | (($ <manifest-entry> name _ out _ ...) | |
339 | (filter (negate (cut same-entry? <> name out)) | |
340 | result)))) | |
341 | (manifest-entries manifest) | |
342 | entries)))) | |
343 | ||
ef8993e2 LC |
344 | (define (manifest-lookup manifest pattern) |
345 | "Return the first item of MANIFEST that matches PATTERN, or #f if there is | |
346 | no match.." | |
347 | (find (entry-predicate pattern) | |
348 | (manifest-entries manifest))) | |
349 | ||
a2078770 LC |
350 | (define (manifest-installed? manifest pattern) |
351 | "Return #t if MANIFEST has an entry matching PATTERN (a manifest-pattern), | |
352 | #f otherwise." | |
ef8993e2 | 353 | (->bool (manifest-lookup manifest pattern))) |
cc4ecc2d | 354 | |
a2078770 LC |
355 | (define (manifest-matching-entries manifest patterns) |
356 | "Return all the entries of MANIFEST that match one of the PATTERNS." | |
357 | (define predicates | |
358 | (map entry-predicate patterns)) | |
359 | ||
360 | (define (matches? entry) | |
361 | (any (lambda (pred) | |
362 | (pred entry)) | |
363 | predicates)) | |
364 | ||
365 | (filter matches? (manifest-entries manifest))) | |
366 | ||
cc4ecc2d | 367 | \f |
343745c8 AK |
368 | ;;; |
369 | ;;; Manifest transactions. | |
370 | ;;; | |
371 | ||
372 | (define-record-type* <manifest-transaction> manifest-transaction | |
373 | make-manifest-transaction | |
374 | manifest-transaction? | |
375 | (install manifest-transaction-install ; list of <manifest-entry> | |
376 | (default '())) | |
377 | (remove manifest-transaction-remove ; list of <manifest-pattern> | |
378 | (default '()))) | |
379 | ||
79601521 | 380 | (define (manifest-transaction-effects manifest transaction) |
46b23e1a LC |
381 | "Compute the effect of applying TRANSACTION to MANIFEST. Return 4 values: |
382 | the list of packages that would be removed, installed, upgraded, or downgraded | |
383 | when applying TRANSACTION to MANIFEST. Upgrades are represented as pairs | |
384 | where the head is the entry being upgraded and the tail is the entry that will | |
385 | replace it." | |
79601521 LC |
386 | (define (manifest-entry->pattern entry) |
387 | (manifest-pattern | |
388 | (name (manifest-entry-name entry)) | |
389 | (output (manifest-entry-output entry)))) | |
390 | ||
46b23e1a LC |
391 | (let loop ((input (manifest-transaction-install transaction)) |
392 | (install '()) | |
393 | (upgrade '()) | |
394 | (downgrade '())) | |
79601521 LC |
395 | (match input |
396 | (() | |
397 | (let ((remove (manifest-transaction-remove transaction))) | |
398 | (values (manifest-matching-entries manifest remove) | |
46b23e1a | 399 | (reverse install) (reverse upgrade) (reverse downgrade)))) |
79601521 LC |
400 | ((entry rest ...) |
401 | ;; Check whether installing ENTRY corresponds to the installation of a | |
402 | ;; new package or to an upgrade. | |
403 | ||
404 | ;; XXX: When the exact same output directory is installed, we're not | |
405 | ;; really upgrading anything. Add a check for that case. | |
406 | (let* ((pattern (manifest-entry->pattern entry)) | |
46b23e1a LC |
407 | (previous (manifest-lookup manifest pattern)) |
408 | (newer? (and previous | |
3bea13bb LC |
409 | (version>=? (manifest-entry-version entry) |
410 | (manifest-entry-version previous))))) | |
79601521 | 411 | (loop rest |
ef8993e2 | 412 | (if previous install (cons entry install)) |
46b23e1a | 413 | (if (and previous newer?) |
ef8993e2 | 414 | (alist-cons previous entry upgrade) |
46b23e1a LC |
415 | upgrade) |
416 | (if (and previous (not newer?)) | |
417 | (alist-cons previous entry downgrade) | |
418 | downgrade))))))) | |
79601521 | 419 | |
343745c8 AK |
420 | (define (manifest-perform-transaction manifest transaction) |
421 | "Perform TRANSACTION on MANIFEST and return new manifest." | |
422 | (let ((install (manifest-transaction-install transaction)) | |
423 | (remove (manifest-transaction-remove transaction))) | |
424 | (manifest-add (manifest-remove manifest remove) | |
425 | install))) | |
426 | ||
343745c8 | 427 | \f |
cc4ecc2d LC |
428 | ;;; |
429 | ;;; Profiles. | |
430 | ;;; | |
431 | ||
79ee406d | 432 | (define (manifest-inputs manifest) |
b4a4bec0 | 433 | "Return a list of <gexp-input> objects for MANIFEST." |
79ee406d | 434 | (append-map (match-lambda |
b4a4bec0 LC |
435 | (($ <manifest-entry> name version output thing deps) |
436 | ;; THING may be a package or a file name. In the latter case, | |
437 | ;; assume it's already valid. Ditto for DEPS. | |
438 | (cons (gexp-input thing output) deps))) | |
79ee406d LC |
439 | (manifest-entries manifest))) |
440 | ||
441 | (define (info-dir-file manifest) | |
442 | "Return a derivation that builds the 'dir' file for all the entries of | |
443 | MANIFEST." | |
2f0556ae LC |
444 | (define texinfo ;lazy reference |
445 | (module-ref (resolve-interface '(gnu packages texinfo)) 'texinfo)) | |
446 | (define gzip ;lazy reference | |
447 | (module-ref (resolve-interface '(gnu packages compression)) 'gzip)) | |
448 | ||
79ee406d | 449 | (define build |
a54c94a4 | 450 | #~(begin |
79ee406d LC |
451 | (use-modules (guix build utils) |
452 | (srfi srfi-1) (srfi srfi-26) | |
453 | (ice-9 ftw)) | |
454 | ||
455 | (define (info-file? file) | |
456 | (or (string-suffix? ".info" file) | |
457 | (string-suffix? ".info.gz" file))) | |
458 | ||
459 | (define (info-files top) | |
460 | (let ((infodir (string-append top "/share/info"))) | |
461 | (map (cut string-append infodir "/" <>) | |
c2815c0f | 462 | (or (scandir infodir info-file?) '())))) |
79ee406d LC |
463 | |
464 | (define (install-info info) | |
2f0556ae | 465 | (setenv "PATH" (string-append #+gzip "/bin")) ;for info.gz files |
79ee406d LC |
466 | (zero? |
467 | (system* (string-append #+texinfo "/bin/install-info") | |
468 | info (string-append #$output "/share/info/dir")))) | |
469 | ||
470 | (mkdir-p (string-append #$output "/share/info")) | |
471 | (every install-info | |
472 | (append-map info-files | |
473 | '#$(manifest-inputs manifest))))) | |
474 | ||
aa46a028 LC |
475 | (gexp->derivation "info-dir" build |
476 | #:modules '((guix build utils)))) | |
79ee406d | 477 | |
042bc828 FB |
478 | (define (ghc-package-cache-file manifest) |
479 | "Return a derivation that builds the GHC 'package.cache' file for all the | |
aa46a028 | 480 | entries of MANIFEST, or #f if MANIFEST does not have any GHC packages." |
042bc828 FB |
481 | (define ghc ;lazy reference |
482 | (module-ref (resolve-interface '(gnu packages haskell)) 'ghc)) | |
483 | ||
484 | (define build | |
8404ed5c | 485 | #~(begin |
042bc828 FB |
486 | (use-modules (guix build utils) |
487 | (srfi srfi-1) (srfi srfi-26) | |
488 | (ice-9 ftw)) | |
489 | ||
490 | (define ghc-name-version | |
491 | (let* ((base (basename #+ghc))) | |
492 | (string-drop base | |
493 | (+ 1 (string-index base #\-))))) | |
8404ed5c | 494 | |
042bc828 FB |
495 | (define db-subdir |
496 | (string-append "lib/" ghc-name-version "/package.conf.d")) | |
497 | ||
498 | (define db-dir | |
499 | (string-append #$output "/" db-subdir)) | |
8404ed5c | 500 | |
042bc828 FB |
501 | (define (conf-files top) |
502 | (find-files (string-append top "/" db-subdir) "\\.conf$")) | |
503 | ||
504 | (define (copy-conf-file conf) | |
505 | (let ((base (basename conf))) | |
506 | (copy-file conf (string-append db-dir "/" base)))) | |
8404ed5c | 507 | |
042bc828 FB |
508 | (system* (string-append #+ghc "/bin/ghc-pkg") "init" db-dir) |
509 | (for-each copy-conf-file | |
510 | (append-map conf-files | |
511 | '#$(manifest-inputs manifest))) | |
512 | (let ((success | |
513 | (zero? | |
514 | (system* (string-append #+ghc "/bin/ghc-pkg") "recache" | |
515 | (string-append "--package-db=" db-dir))))) | |
516 | (for-each delete-file (find-files db-dir "\\.conf$")) | |
517 | success))) | |
518 | ||
07eaecfa LC |
519 | (with-monad %store-monad |
520 | ;; Don't depend on GHC when there's nothing to do. | |
521 | (if (any (cut string-prefix? "ghc" <>) | |
522 | (map manifest-entry-name (manifest-entries manifest))) | |
523 | (gexp->derivation "ghc-package-cache" build | |
524 | #:modules '((guix build utils)) | |
525 | #:local-build? #t) | |
526 | (return #f)))) | |
042bc828 | 527 | |
536c3ee4 MW |
528 | (define (ca-certificate-bundle manifest) |
529 | "Return a derivation that builds a single-file bundle containing the CA | |
530 | certificates in the /etc/ssl/certs sub-directories of the packages in | |
531 | MANIFEST. Single-file bundles are required by programs such as Git and Lynx." | |
532 | ;; See <http://lists.gnu.org/archive/html/guix-devel/2015-02/msg00429.html> | |
533 | ;; for a discussion. | |
534 | ||
535 | (define glibc-utf8-locales ;lazy reference | |
536 | (module-ref (resolve-interface '(gnu packages base)) 'glibc-utf8-locales)) | |
537 | ||
538 | (define build | |
539 | #~(begin | |
540 | (use-modules (guix build utils) | |
541 | (rnrs io ports) | |
542 | (srfi srfi-1) | |
543 | (srfi srfi-26) | |
c568191a LC |
544 | (ice-9 ftw) |
545 | (ice-9 match)) | |
536c3ee4 MW |
546 | |
547 | (define (pem-file? file) | |
548 | (string-suffix? ".pem" file)) | |
549 | ||
550 | (define (ca-files top) | |
551 | (let ((cert-dir (string-append top "/etc/ssl/certs"))) | |
552 | (map (cut string-append cert-dir "/" <>) | |
553 | (or (scandir cert-dir pem-file?) '())))) | |
554 | ||
555 | (define (concatenate-files files result) | |
556 | "Make RESULT the concatenation of all of FILES." | |
557 | (define (dump file port) | |
558 | (display (call-with-input-file file get-string-all) | |
559 | port) | |
560 | (newline port)) ;required, see <https://bugs.debian.org/635570> | |
561 | ||
562 | (call-with-output-file result | |
563 | (lambda (port) | |
564 | (for-each (cut dump <> port) files)))) | |
565 | ||
566 | ;; Some file names in the NSS certificates are UTF-8 encoded so | |
567 | ;; install a UTF-8 locale. | |
568 | (setenv "LOCPATH" (string-append #+glibc-utf8-locales "/lib/locale")) | |
569 | (setlocale LC_ALL "en_US.UTF-8") | |
570 | ||
c568191a LC |
571 | (match (append-map ca-files '#$(manifest-inputs manifest)) |
572 | (() | |
573 | ;; Since there are no CA files, just create an empty directory. Do | |
574 | ;; not create the etc/ssl/certs sub-directory, since that would | |
575 | ;; wrongfully lead to a message about 'SSL_CERT_DIR' needing to be | |
576 | ;; defined. | |
577 | (mkdir #$output) | |
578 | #t) | |
579 | ((ca-files ...) | |
580 | (let ((result (string-append #$output "/etc/ssl/certs"))) | |
581 | (mkdir-p result) | |
582 | (concatenate-files ca-files | |
583 | (string-append result | |
584 | "/ca-certificates.crt")) | |
585 | #t))))) | |
536c3ee4 | 586 | |
aa46a028 LC |
587 | (gexp->derivation "ca-certificate-bundle" build |
588 | #:modules '((guix build utils)) | |
589 | #:local-build? #t)) | |
590 | ||
591 | (define %default-profile-hooks | |
592 | ;; This is the list of derivation-returning procedures that are called by | |
593 | ;; default when making a non-empty profile. | |
594 | (list info-dir-file | |
595 | ghc-package-cache-file | |
596 | ca-certificate-bundle)) | |
536c3ee4 MW |
597 | |
598 | (define* (profile-derivation manifest | |
599 | #:key | |
aa46a028 | 600 | (hooks %default-profile-hooks)) |
79ee406d | 601 | "Return a derivation that builds a profile (aka. 'user environment') with |
aa46a028 LC |
602 | the given MANIFEST. The profile includes additional derivations returned by |
603 | the monadic procedures listed in HOOKS--such as an Info 'dir' file, etc." | |
604 | (mlet %store-monad ((extras (if (null? (manifest-entries manifest)) | |
605 | (return '()) | |
606 | (sequence %store-monad | |
07eaecfa LC |
607 | (map (lambda (hook) |
608 | (hook manifest)) | |
609 | hooks))))) | |
79ee406d | 610 | (define inputs |
07eaecfa LC |
611 | (append (filter-map (lambda (gexp) |
612 | (and (gexp? gexp) | |
613 | (gexp-input gexp))) | |
614 | extras) | |
536c3ee4 | 615 | (manifest-inputs manifest))) |
79ee406d LC |
616 | |
617 | (define builder | |
618 | #~(begin | |
d664f1b4 LC |
619 | (use-modules (guix build profiles) |
620 | (guix search-paths)) | |
79ee406d LC |
621 | |
622 | (setvbuf (current-output-port) _IOLBF) | |
623 | (setvbuf (current-error-port) _IOLBF) | |
624 | ||
d664f1b4 LC |
625 | (define search-paths |
626 | ;; Search paths of MANIFEST's packages, converted back to their | |
627 | ;; record form. | |
628 | (map sexp->search-path-specification | |
629 | '#$(map search-path-specification->sexp | |
630 | (append-map manifest-entry-search-paths | |
631 | (manifest-entries manifest))))) | |
632 | ||
611adb1e | 633 | (build-profile #$output '#$inputs |
d664f1b4 LC |
634 | #:manifest '#$(manifest->gexp manifest) |
635 | #:search-paths search-paths))) | |
79ee406d LC |
636 | |
637 | (gexp->derivation "profile" builder | |
d664f1b4 LC |
638 | #:modules '((guix build profiles) |
639 | (guix build union) | |
640 | (guix build utils) | |
641 | (guix search-paths) | |
642 | (guix records)) | |
79ee406d | 643 | #:local-build? #t))) |
cc4ecc2d LC |
644 | |
645 | (define (profile-regexp profile) | |
646 | "Return a regular expression that matches PROFILE's name and number." | |
647 | (make-regexp (string-append "^" (regexp-quote (basename profile)) | |
648 | "-([0-9]+)"))) | |
649 | ||
650 | (define (generation-number profile) | |
651 | "Return PROFILE's number or 0. An absolute file name must be used." | |
652 | (or (and=> (false-if-exception (regexp-exec (profile-regexp profile) | |
653 | (basename (readlink profile)))) | |
654 | (compose string->number (cut match:substring <> 1))) | |
655 | 0)) | |
656 | ||
657 | (define (generation-numbers profile) | |
658 | "Return the sorted list of generation numbers of PROFILE, or '(0) if no | |
659 | former profiles were found." | |
660 | (define* (scandir name #:optional (select? (const #t)) | |
661 | (entry<? (@ (ice-9 i18n) string-locale<?))) | |
662 | ;; XXX: Bug-fix version introduced in Guile v2.0.6-62-g139ce19. | |
663 | (define (enter? dir stat result) | |
664 | (and stat (string=? dir name))) | |
665 | ||
666 | (define (visit basename result) | |
667 | (if (select? basename) | |
668 | (cons basename result) | |
669 | result)) | |
670 | ||
671 | (define (leaf name stat result) | |
672 | (and result | |
673 | (visit (basename name) result))) | |
674 | ||
675 | (define (down name stat result) | |
676 | (visit "." '())) | |
677 | ||
678 | (define (up name stat result) | |
679 | (visit ".." result)) | |
680 | ||
681 | (define (skip name stat result) | |
682 | ;; All the sub-directories are skipped. | |
683 | (visit (basename name) result)) | |
684 | ||
685 | (define (error name* stat errno result) | |
686 | (if (string=? name name*) ; top-level NAME is unreadable | |
687 | result | |
688 | (visit (basename name*) result))) | |
689 | ||
690 | (and=> (file-system-fold enter? leaf down up skip error #f name lstat) | |
691 | (lambda (files) | |
692 | (sort files entry<?)))) | |
693 | ||
694 | (match (scandir (dirname profile) | |
695 | (cute regexp-exec (profile-regexp profile) <>)) | |
696 | (#f ; no profile directory | |
697 | '(0)) | |
698 | (() ; no profiles | |
699 | '(0)) | |
700 | ((profiles ...) ; former profiles around | |
701 | (sort (map (compose string->number | |
702 | (cut match:substring <> 1) | |
703 | (cute regexp-exec (profile-regexp profile) <>)) | |
704 | profiles) | |
705 | <)))) | |
706 | ||
f452e8ff AK |
707 | (define (profile-generations profile) |
708 | "Return a list of PROFILE's generations." | |
709 | (let ((generations (generation-numbers profile))) | |
710 | (if (equal? generations '(0)) | |
711 | '() | |
712 | generations))) | |
713 | ||
3ccde087 AK |
714 | (define* (relative-generation profile shift #:optional |
715 | (current (generation-number profile))) | |
716 | "Return PROFILE's generation shifted from the CURRENT generation by SHIFT. | |
717 | SHIFT is a positive or negative number. | |
718 | Return #f if there is no such generation." | |
719 | (let* ((abs-shift (abs shift)) | |
720 | (numbers (profile-generations profile)) | |
721 | (from-current (memq current | |
722 | (if (negative? shift) | |
723 | (reverse numbers) | |
724 | numbers)))) | |
725 | (and from-current | |
726 | (< abs-shift (length from-current)) | |
727 | (list-ref from-current abs-shift)))) | |
728 | ||
729 | (define* (previous-generation-number profile #:optional | |
730 | (number (generation-number profile))) | |
cc4ecc2d LC |
731 | "Return the number of the generation before generation NUMBER of |
732 | PROFILE, or 0 if none exists. It could be NUMBER - 1, but it's not the | |
733 | case when generations have been deleted (there are \"holes\")." | |
3ccde087 AK |
734 | (or (relative-generation profile -1 number) |
735 | 0)) | |
cc4ecc2d LC |
736 | |
737 | (define (generation-file-name profile generation) | |
738 | "Return the file name for PROFILE's GENERATION." | |
739 | (format #f "~a-~a-link" profile generation)) | |
740 | ||
741 | (define (generation-time profile number) | |
742 | "Return the creation time of a generation in the UTC format." | |
743 | (make-time time-utc 0 | |
744 | (stat:ctime (stat (generation-file-name profile number))))) | |
745 | ||
746 | ;;; profiles.scm ends here |