1 ;;; GNU Guix --- Functional package management for GNU
2 ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
3 ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
4 ;;; Copyright © 2014, 2016 Alex Kost <alezost@gmail.com>
5 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
6 ;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
7 ;;; Copyright © 2016, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
8 ;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
9 ;;; Copyright © 2017 Huang Ying <huang.ying.caritas@gmail.com>
10 ;;; Copyright © 2017 Maxim Cournoyer <maxim.cournoyer@gmail.com>
11 ;;; Copyright © 2019 Kyle Meyer <kyle@kyleam.com>
12 ;;; Copyright © 2019 Mathieu Othacehe <m.othacehe@gmail.com>
13 ;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
15 ;;; This file is part of GNU Guix.
17 ;;; GNU Guix is free software; you can redistribute it and/or modify it
18 ;;; under the terms of the GNU General Public License as published by
19 ;;; the Free Software Foundation; either version 3 of the License, or (at
20 ;;; your option) any later version.
22 ;;; GNU Guix is distributed in the hope that it will be useful, but
23 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
24 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 ;;; GNU General Public License for more details.
27 ;;; You should have received a copy of the GNU General Public License
28 ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
30 (define-module (guix profiles)
31 #:use-module ((guix config) #:select (%state-directory))
32 #:use-module ((guix utils) #:hide (package-name->name+version))
33 #:use-module ((guix build utils)
34 #:select (package-name->name+version mkdir-p))
35 #:use-module (guix i18n)
36 #:use-module (guix records)
37 #:use-module (guix packages)
38 #:use-module (guix derivations)
39 #:use-module (guix search-paths)
40 #:use-module (guix gexp)
41 #:use-module (guix modules)
42 #:use-module (guix monads)
43 #:use-module (guix store)
44 #:use-module (guix sets)
45 #:use-module (ice-9 vlist)
46 #:use-module (ice-9 match)
47 #:use-module (ice-9 regex)
48 #:use-module (ice-9 ftw)
49 #:use-module (ice-9 format)
50 #:use-module (srfi srfi-1)
51 #:use-module (srfi srfi-9)
52 #:use-module (srfi srfi-11)
53 #:use-module (srfi srfi-19)
54 #:use-module (srfi srfi-26)
55 #:use-module (srfi srfi-34)
56 #:use-module (srfi srfi-35)
57 #:export (&profile-error
60 &profile-not-found-error
61 profile-not-found-error?
62 &profile-collision-error
63 profile-collision-error?
64 profile-collision-error-entry
65 profile-collision-error-conflict
66 &missing-generation-error
67 missing-generation-error?
68 missing-generation-error-generation
69 &unmatched-pattern-error
70 unmatched-pattern-error?
71 unmatched-pattern-error-pattern
72 unmatched-pattern-error-manifest
74 manifest make-manifest
77 manifest-transitive-entries
79 <manifest-entry> ; FIXME: eventually make it internal
83 manifest-entry-version
86 manifest-entry-dependencies
87 manifest-entry-search-paths
89 manifest-entry-properties
97 manifest-pattern-version
98 manifest-pattern-output
100 concatenate-manifests
106 manifest-matching-entries
107 manifest-search-paths
110 manifest-transaction?
111 manifest-transaction-install
112 manifest-transaction-remove
113 manifest-transaction-install-entry
114 manifest-transaction-remove-pattern
115 manifest-transaction-null?
116 manifest-transaction-removal-candidate?
117 manifest-perform-transaction
118 manifest-transaction-effects
121 package->manifest-entry
123 ca-certificate-bundle
124 %default-profile-hooks
134 profile-allow-collisions?
135 profile-relative-symlinks?
141 relative-generation-spec->number
143 previous-generation-number
150 %user-profile-directory
153 ensure-profile-directory
155 user-friendly-profile
157 linux-module-database))
161 ;;; Tools to create and manipulate profiles---i.e., the representation of a
162 ;;; set of installed packages.
171 (define-condition-type &profile-error &error
173 (profile profile-error-profile))
175 (define-condition-type &profile-not-found-error &profile-error
176 profile-not-found-error?)
178 (define-condition-type &profile-collision-error &error
179 profile-collision-error?
180 (entry profile-collision-error-entry) ;<manifest-entry>
181 (conflict profile-collision-error-conflict)) ;<manifest-entry>
183 (define-condition-type &unmatched-pattern-error &error
184 unmatched-pattern-error?
185 (pattern unmatched-pattern-error-pattern) ;<manifest-pattern>
186 (manifest unmatched-pattern-error-manifest)) ;<manifest>
188 (define-condition-type &missing-generation-error &profile-error
189 missing-generation-error?
190 (generation missing-generation-error-generation))
197 (define-record-type <manifest>
200 (entries manifest-entries)) ; list of <manifest-entry>
202 ;; Convenient alias, to avoid name clashes.
203 (define make-manifest manifest)
205 (define-record-type* <manifest-entry> manifest-entry
208 (name manifest-entry-name) ; string
209 (version manifest-entry-version) ; string
210 (output manifest-entry-output ; string
212 (item manifest-entry-item) ; package | file-like | store path
213 (dependencies manifest-entry-dependencies ; <manifest-entry>*
215 (search-paths manifest-entry-search-paths ; search-path-specification*
217 (parent manifest-entry-parent ; promise (#f | <manifest-entry>)
218 (default (delay #f)))
219 (properties manifest-entry-properties ; list of symbol/value pairs
222 (define-record-type* <manifest-pattern> manifest-pattern
223 make-manifest-pattern
225 (name manifest-pattern-name) ; string
226 (version manifest-pattern-version ; string | #f
228 (output manifest-pattern-output ; string | #f
231 (define (list=? = lst1 lst2)
232 "Return true if LST1 and LST2 have the same length and their elements are
233 pairwise equal per =."
240 (and (= head1 head2) (list=? = tail1 tail2)))
244 (define (manifest-entry=? entry1 entry2)
245 "Return true if ENTRY1 is equivalent to ENTRY2, ignoring their 'properties'
248 (($ <manifest-entry> name1 version1 output1 item1 dependencies1 paths1)
250 (($ <manifest-entry> name2 version2 output2 item2 dependencies2 paths2)
251 (and (string=? name1 name2)
252 (string=? version1 version2)
253 (string=? output1 output2)
254 (equal? item1 item2) ;XXX: could be <package> vs. store item
255 (equal? paths1 paths2)
256 (list=? manifest-entry=? dependencies1 dependencies2)))))))
258 (define (manifest-transitive-entries manifest)
259 "Return the entries of MANIFEST along with their propagated inputs,
261 (let loop ((entries (manifest-entries manifest))
263 (visited (set))) ;compare with 'equal?'
268 (if (set-contains? visited head)
269 (loop tail result visited)
270 (loop (append (manifest-entry-dependencies head)
273 (set-insert head visited)))))))
275 (define (profile-manifest profile)
276 "Return the PROFILE's manifest."
277 (let ((file (string-append profile "/manifest")))
278 (if (file-exists? file)
279 (call-with-input-file file read-manifest)
282 (define (manifest-entry-lookup manifest)
283 "Return a lookup procedure for the entries of MANIFEST. The lookup
284 procedure takes two arguments: the entry name and output."
286 (let loop ((entries (manifest-entries manifest))
287 (mapping vlist-null))
288 (fold (lambda (entry result)
289 (vhash-cons (cons (manifest-entry-name entry)
290 (manifest-entry-output entry))
292 (loop (manifest-entry-dependencies entry)
297 (lambda (name output)
298 (match (vhash-assoc (cons name output) mapping)
302 (define* (lower-manifest-entry entry system #:key target)
303 "Lower ENTRY for SYSTEM and TARGET such that its 'item' field is a store
305 (define (recurse entry)
306 (mapm/accumulate-builds (lambda (entry)
307 (lower-manifest-entry entry system
309 (manifest-entry-dependencies entry)))
311 (let ((item (manifest-entry-item entry)))
313 (with-monad %store-monad
315 (mlet %store-monad ((drv (lower-object item system
317 (dependencies (recurse entry))
318 (output -> (manifest-entry-output entry)))
319 (return (manifest-entry
321 (item (derivation->output-path drv output))
322 (dependencies dependencies)))))))
324 (define* (check-for-collisions manifest system #:key target)
325 "Check whether the entries of MANIFEST conflict with one another; raise a
326 '&profile-collision-error' when a conflict is encountered."
328 (manifest-entry-lookup manifest))
331 (filter-map (lambda (entry)
332 (let ((other (lookup (manifest-entry-name entry)
333 (manifest-entry-output entry))))
334 (and other (list entry other))))
335 (manifest-transitive-entries manifest)))
340 (mlet %store-monad ((first (lower-manifest-entry first system
342 (second (lower-manifest-entry second system
344 (return (list first second))))))
346 ;; Start by lowering CANDIDATES "in parallel".
347 (mlet %store-monad ((lst (mapm/accumulate-builds lower-pair candidates)))
349 (lambda (entries result)
352 (if (string=? (manifest-entry-item first)
353 (manifest-entry-item second))
356 (&profile-collision-error
358 (conflict second))))))))
362 (define* (package->manifest-entry package #:optional (output "out")
363 #:key (parent (delay #f))
365 "Return a manifest entry for the OUTPUT of package PACKAGE."
366 ;; For each dependency, keep a promise pointing to its "parent" entry.
367 (letrec* ((deps (map (match-lambda
369 (package->manifest-entry package
370 #:parent (delay entry)))
371 ((label package output)
372 (package->manifest-entry package output
373 #:parent (delay entry))))
374 (package-propagated-inputs package)))
375 (entry (manifest-entry
376 (name (package-name package))
377 (version (package-version package))
380 (dependencies (delete-duplicates deps))
382 (package-transitive-native-search-paths package))
384 (properties properties))))
387 (define (packages->manifest packages)
388 "Return a list of manifest entries, one for each item listed in PACKAGES.
389 Elements of PACKAGES can be either package objects or package/string tuples
390 denoting a specific output of a package."
391 (define inferiors-loaded?
392 ;; This hack allows us to provide seamless integration for inferior
393 ;; packages while not having a hard dependency on (guix inferior).
394 (resolve-module '(guix inferior) #f #f #:ensure #f))
396 (define (inferior->entry)
397 (module-ref (resolve-interface '(guix inferior))
398 'inferior-package->manifest-entry))
402 (((? package? package) output)
403 (package->manifest-entry package output))
404 ((? package? package)
405 (package->manifest-entry package))
407 (if inferiors-loaded?
408 ((inferior->entry) thing output)
409 (throw 'wrong-type-arg 'packages->manifest
410 "Wrong package object: ~S" (list thing) (list thing))))
412 (if inferiors-loaded?
413 ((inferior->entry) thing)
414 (throw 'wrong-type-arg 'packages->manifest
415 "Wrong package object: ~S" (list thing) (list thing)))))
418 (define (manifest->gexp manifest)
419 "Return a representation of MANIFEST as a gexp."
420 (define (entry->gexp entry)
422 (($ <manifest-entry> name version output (? string? path)
423 (deps ...) (search-paths ...) _ (properties ...))
424 #~(#$name #$version #$output #$path
425 (propagated-inputs #$(map entry->gexp deps))
426 (search-paths #$(map search-path-specification->sexp
428 (properties . #$properties)))
429 (($ <manifest-entry> name version output package
430 (deps ...) (search-paths ...) _ (properties ...))
431 #~(#$name #$version #$output
432 (ungexp package (or output "out"))
433 (propagated-inputs #$(map entry->gexp deps))
434 (search-paths #$(map search-path-specification->sexp
436 (properties . #$properties)))))
439 (($ <manifest> (entries ...))
440 #~(manifest (version 3)
441 (packages #$(map entry->gexp entries))))))
443 (define (find-package name version)
444 "Return a package from the distro matching NAME and possibly VERSION. This
445 procedure is here for backward-compatibility and will eventually vanish."
446 (define find-best-packages-by-name ;break abstractions
447 (module-ref (resolve-interface '(gnu packages))
448 'find-best-packages-by-name))
450 ;; Use 'find-best-packages-by-name' and not 'find-packages-by-name'; the
451 ;; former traverses the module tree only once and then allows for efficient
452 ;; access via a vhash.
453 (match (find-best-packages-by-name name version)
456 (match (find-best-packages-by-name name #f)
460 (define (sexp->manifest sexp)
461 "Parse SEXP as a manifest."
462 (define (infer-search-paths name version)
463 ;; Infer the search path specifications for NAME-VERSION by looking up a
464 ;; same-named package in the distro. Useful for the old manifest formats
465 ;; that did not store search path info.
466 (let ((package (find-package name version)))
468 (package-native-search-paths package)
471 (define (infer-dependency item parent)
472 ;; Return a <manifest-entry> for ITEM.
473 (let-values (((name version)
474 (package-name->name+version
475 (store-path-package-name item))))
482 (define* (sexp->manifest-entry sexp #:optional (parent (delay #f)))
484 ((name version output path
485 ('propagated-inputs deps)
486 ('search-paths search-paths)
488 ;; For each of DEPS, keep a promise pointing to ENTRY.
489 (letrec* ((deps* (map (cut sexp->manifest-entry <> (delay entry))
491 (entry (manifest-entry
497 (search-paths (map sexp->search-path-specification
500 (properties (or (assoc-ref extra-stuff 'properties)
505 (('manifest ('version 0)
506 ('packages ((name version output path) ...)))
508 (map (lambda (name version output path)
514 (search-paths (infer-search-paths name version))))
515 name version output path)))
517 ;; Version 1 adds a list of propagated inputs to the
518 ;; name/version/output/path tuples.
519 (('manifest ('version 1)
520 ('packages ((name version output path deps) ...)))
522 (map (lambda (name version output path deps)
523 ;; Up to Guix 0.7 included, dependencies were listed as ("gmp"
524 ;; "/gnu/store/...-gmp") for instance. Discard the 'label' in
526 (let ((deps (match deps
527 (((labels directories) ...)
531 (letrec* ((deps* (map (cute infer-dependency <> (delay entry))
533 (entry (manifest-entry
540 (infer-search-paths name version)))))
542 name version output path deps)))
544 ;; Version 2 adds search paths and is slightly more verbose.
545 (('manifest ('version 2 minor-version ...)
546 ('packages ((name version output path
547 ('propagated-inputs deps)
548 ('search-paths search-paths)
552 (map (lambda (name version output path deps search-paths)
553 (letrec* ((deps* (map (cute infer-dependency <> (delay entry))
555 (entry (manifest-entry
562 (map sexp->search-path-specification
565 name version output path deps search-paths)))
567 ;; Version 3 represents DEPS as full-blown manifest entries.
568 (('manifest ('version 3 minor-version ...)
569 ('packages (entries ...)))
570 (manifest (map sexp->manifest-entry entries)))
573 (&message (message "unsupported manifest format")))))))
575 (define (read-manifest port)
576 "Return the packages listed in MANIFEST."
577 (sexp->manifest (read port)))
579 (define (concatenate-manifests lst)
580 "Concatenate the manifests listed in LST and return the resulting manifest."
581 (manifest (append-map manifest-entries lst)))
583 (define (map-manifest-entries proc manifest)
584 "Apply PROC to all the entries of MANIFEST and return a new manifest."
586 (map proc (manifest-entries manifest))))
588 (define (entry-predicate pattern)
589 "Return a procedure that returns #t when passed a manifest entry that
590 matches NAME/OUTPUT/VERSION. OUTPUT and VERSION may be #f, in which case they
593 (($ <manifest-pattern> name version output)
595 (($ <manifest-entry> entry-name entry-version entry-output)
596 (and (string=? entry-name name)
597 (or (not entry-output) (not output)
598 (string=? entry-output output))
600 (string=? entry-version version))))))))
602 (define (manifest-remove manifest patterns)
603 "Remove entries for each of PATTERNS from MANIFEST. Each item in PATTERNS
604 must be a manifest-pattern."
605 (define (remove-entry pattern lst)
606 (remove (entry-predicate pattern) lst))
608 (make-manifest (fold remove-entry
609 (manifest-entries manifest)
612 (define (manifest-add manifest entries)
613 "Add a list of manifest ENTRIES to MANIFEST and return new manifest.
614 Remove MANIFEST entries that have the same name and output as ENTRIES."
615 (define (same-entry? entry name output)
617 (($ <manifest-entry> entry-name _ entry-output _)
618 (and (equal? name entry-name)
619 (equal? output entry-output)))))
622 (fold (lambda (entry result) ;XXX: quadratic
624 (($ <manifest-entry> name _ out _)
626 (remove (cut same-entry? <> name out)
628 (manifest-entries manifest)
631 (define (manifest-lookup manifest pattern)
632 "Return the first item of MANIFEST that matches PATTERN, or #f if there is
634 (find (entry-predicate pattern)
635 (manifest-entries manifest)))
637 (define (manifest-installed? manifest pattern)
638 "Return #t if MANIFEST has an entry matching PATTERN (a manifest-pattern),
640 (->bool (manifest-lookup manifest pattern)))
642 (define (manifest-matching-entries manifest patterns)
643 "Return all the entries of MANIFEST that match one of the PATTERNS. Raise
644 an '&unmatched-pattern-error' if none of the entries of MANIFEST matches one
646 (fold-right (lambda (pattern matches)
647 (match (filter (entry-predicate pattern)
648 (manifest-entries manifest))
651 (&unmatched-pattern-error
653 (manifest manifest)))))
655 (append lst matches))))
659 (define (manifest-search-paths manifest)
660 "Return the list of search path specifications that apply to MANIFEST,
661 including the search path specification for $PATH."
664 (append-map manifest-entry-search-paths
665 (manifest-entries manifest)))))
669 ;;; Manifest transactions.
672 (define-record-type* <manifest-transaction> manifest-transaction
673 make-manifest-transaction
674 manifest-transaction?
675 (install manifest-transaction-install ; list of <manifest-entry>
677 (remove manifest-transaction-remove ; list of <manifest-pattern>
680 (define (manifest-transaction-install-entry entry transaction)
681 "Augment TRANSACTION's set of installed packages with ENTRY, a
683 (manifest-transaction
684 (inherit transaction)
686 (cons entry (manifest-transaction-install transaction)))))
688 (define (manifest-transaction-remove-pattern pattern transaction)
689 "Add PATTERN to TRANSACTION's list of packages to remove."
690 (manifest-transaction
691 (inherit transaction)
693 (cons pattern (manifest-transaction-remove transaction)))))
695 (define (manifest-transaction-null? transaction)
696 "Return true if TRANSACTION has no effect---i.e., it neither installs nor
699 (($ <manifest-transaction> () ()) #t)
700 (($ <manifest-transaction> _ _) #f)))
702 (define (manifest-transaction-removal-candidate? entry transaction)
703 "Return true if ENTRY is a candidate for removal in TRANSACTION."
704 (any (lambda (pattern)
705 ((entry-predicate pattern) entry))
706 (manifest-transaction-remove transaction)))
708 (define (manifest-transaction-effects manifest transaction)
709 "Compute the effect of applying TRANSACTION to MANIFEST. Return 4 values:
710 the list of packages that would be removed, installed, upgraded, or downgraded
711 when applying TRANSACTION to MANIFEST. Upgrades are represented as pairs
712 where the head is the entry being upgraded and the tail is the entry that will
714 (define (manifest-entry->pattern entry)
716 (name (manifest-entry-name entry))
717 (output (manifest-entry-output entry))))
719 (let loop ((input (manifest-transaction-install transaction))
725 (let ((remove (manifest-transaction-remove transaction)))
726 (values (manifest-matching-entries manifest remove)
727 (reverse install) (reverse upgrade) (reverse downgrade))))
729 ;; Check whether installing ENTRY corresponds to the installation of a
730 ;; new package or to an upgrade.
732 ;; XXX: When the exact same output directory is installed, we're not
733 ;; really upgrading anything. Add a check for that case.
734 (let* ((pattern (manifest-entry->pattern entry))
735 (previous (manifest-lookup manifest pattern))
736 (newer? (and previous
737 (version>=? (manifest-entry-version entry)
738 (manifest-entry-version previous)))))
740 (if previous install (cons entry install))
741 (if (and previous newer?)
742 (alist-cons previous entry upgrade)
744 (if (and previous (not newer?))
745 (alist-cons previous entry downgrade)
748 (define (manifest-perform-transaction manifest transaction)
749 "Perform TRANSACTION on MANIFEST and return the new manifest."
750 (let ((install (manifest-transaction-install transaction))
751 (remove (manifest-transaction-remove transaction)))
752 (manifest-add (manifest-remove manifest remove)
760 (define (manifest-inputs manifest)
761 "Return a list of <gexp-input> objects for MANIFEST."
764 (($ <manifest-entry> name version output thing deps)
765 ;; THING may be a package or a file name. In the latter case, assume
766 ;; it's already valid.
767 (cons (gexp-input thing output)
768 (append-map entry->input deps)))))
770 (append-map entry->input (manifest-entries manifest)))
772 (define* (manifest-lookup-package manifest name #:optional version)
773 "Return as a monadic value the first package or store path referenced by
774 MANIFEST that is named NAME and optionally has the given VERSION prefix, or #f
776 ;; Return as a monadic value the package or store path referenced by the
777 ;; manifest ENTRY, or #f if not referenced.
778 (define (entry-lookup-package entry)
779 (define (find-among-inputs inputs)
780 (find (lambda (input)
781 (and (package? input)
782 (equal? name (package-name input))
784 (string-prefix? version (package-version input))
787 (define (find-among-store-items items)
789 (let-values (((name* version*)
790 (package-name->name+version
791 (store-path-package-name item))))
792 (and (string=? name name*)
794 (string-prefix? version version*)
798 (with-monad %store-monad
799 (match (manifest-entry-item entry)
800 ((? package? package)
801 (match (cons (list (package-name package) package)
802 (package-transitive-inputs package))
803 (((labels inputs . _) ...)
804 (return (find-among-inputs inputs)))))
806 (mlet %store-monad ((refs (references* item)))
807 (return (find-among-store-items refs))))
809 ;; XXX: ITEM might be a 'computed-file' or anything like that, in
810 ;; which case we don't know what to do. The fix may be to check
811 ;; references once ITEM is compiled, as proposed at
812 ;; <https://bugs.gnu.org/29927>.
816 entry-lookup-package (manifest-entries manifest)))
818 (define (info-dir-file manifest)
819 "Return a derivation that builds the 'dir' file for all the entries of
821 (define texinfo ;lazy reference
822 (module-ref (resolve-interface '(gnu packages texinfo)) 'texinfo))
823 (define gzip ;lazy reference
824 (module-ref (resolve-interface '(gnu packages compression)) 'gzip))
825 (define glibc-utf8-locales ;lazy reference
826 (module-ref (resolve-interface '(gnu packages base)) 'glibc-utf8-locales))
829 (with-imported-modules '((guix build utils))
831 (use-modules (guix build utils)
832 (srfi srfi-1) (srfi srfi-26)
835 (define (info-file? file)
836 (or (string-suffix? ".info" file)
837 (string-suffix? ".info.gz" file)))
839 (define (info-files top)
840 (let ((infodir (string-append top "/share/info")))
841 (map (cut string-append infodir "/" <>)
842 (or (scandir infodir info-file?) '()))))
844 (define (info-file-language file)
845 (let* ((base (if (string-suffix? ".gz" file)
846 (basename file ".info.gz")
847 (basename file ".info")))
848 (dot (string-rindex base #\.)))
850 (string-drop base (+ 1 dot))
853 (define (install-info info)
854 (let ((language (info-file-language info)))
855 ;; We need to choose a valid locale for $LANGUAGE to be honored.
856 (setenv "LC_ALL" "en_US.utf8")
857 (setenv "LANGUAGE" language)
859 (system* #+(file-append texinfo "/bin/install-info")
861 (apply string-append #$output "/share/info/dir"
862 (if (string=? "en" language)
864 `("." ,language)))))))
866 (setenv "PATH" (string-append #+gzip "/bin")) ;for info.gz files
867 (setenv "GUIX_LOCPATH"
868 #+(file-append glibc-utf8-locales "/lib/locale"))
870 (mkdir-p (string-append #$output "/share/info"))
871 (exit (every install-info
872 (append-map info-files
873 '#$(manifest-inputs manifest)))))))
875 (gexp->derivation "info-dir" build
879 `((type . profile-hook)
882 (define (ghc-package-cache-file manifest)
883 "Return a derivation that builds the GHC 'package.cache' file for all the
884 entries of MANIFEST, or #f if MANIFEST does not have any GHC packages."
885 (define ghc ;lazy reference
886 (module-ref (resolve-interface '(gnu packages haskell)) 'ghc))
889 (with-imported-modules '((guix build utils))
891 (use-modules (guix build utils)
892 (srfi srfi-1) (srfi srfi-26)
895 (define ghc-name-version
896 (let* ((base (basename #+ghc)))
898 (+ 1 (string-index base #\-)))))
901 (string-append "lib/" ghc-name-version "/package.conf.d"))
904 (string-append #$output "/" db-subdir))
906 (define (conf-files top)
907 (let ((db (string-append top "/" db-subdir)))
908 (if (file-exists? db)
909 (find-files db "\\.conf$")
912 (define (copy-conf-file conf)
913 (let ((base (basename conf)))
914 (copy-file conf (string-append db-dir "/" base))))
916 (system* (string-append #+ghc "/bin/ghc-pkg") "init" db-dir)
917 (for-each copy-conf-file
918 (append-map conf-files
920 '#$(manifest-inputs manifest))))
923 (system* (string-append #+ghc "/bin/ghc-pkg") "recache"
924 (string-append "--package-db=" db-dir)))))
925 (for-each delete-file (find-files db-dir "\\.conf$"))
928 (with-monad %store-monad
929 ;; Don't depend on GHC when there's nothing to do.
930 (if (any (cut string-prefix? "ghc" <>)
931 (map manifest-entry-name (manifest-entries manifest)))
932 (gexp->derivation "ghc-package-cache" build
936 `((type . profile-hook)
937 (hook . ghc-package-cache)))
940 (define (ca-certificate-bundle manifest)
941 "Return a derivation that builds a single-file bundle containing the CA
942 certificates in the /etc/ssl/certs sub-directories of the packages in
943 MANIFEST. Single-file bundles are required by programs such as Git and Lynx."
944 ;; See <http://lists.gnu.org/archive/html/guix-devel/2015-02/msg00429.html>
947 (define glibc-utf8-locales ;lazy reference
948 (module-ref (resolve-interface '(gnu packages base)) 'glibc-utf8-locales))
951 (with-imported-modules '((guix build utils))
953 (use-modules (guix build utils)
960 (define (pem-file? file)
961 (string-suffix? ".pem" file))
963 (define (ca-files top)
964 (let ((cert-dir (string-append top "/etc/ssl/certs")))
965 (map (cut string-append cert-dir "/" <>)
966 (or (scandir cert-dir pem-file?) '()))))
968 (define (concatenate-files files result)
969 "Make RESULT the concatenation of all of FILES."
970 (define (dump file port)
971 (display (call-with-input-file file get-string-all)
973 (newline port)) ;required, see <https://bugs.debian.org/635570>
975 (call-with-output-file result
977 (for-each (cut dump <> port) files))))
979 ;; Some file names in the NSS certificates are UTF-8 encoded so
980 ;; install a UTF-8 locale.
982 (string-append #+glibc-utf8-locales "/lib/locale/"
983 #+(version-major+minor
984 (package-version glibc-utf8-locales))))
985 (setlocale LC_ALL "en_US.utf8")
987 (match (append-map ca-files '#$(manifest-inputs manifest))
989 ;; Since there are no CA files, just create an empty directory. Do
990 ;; not create the etc/ssl/certs sub-directory, since that would
991 ;; wrongfully lead to a message about 'SSL_CERT_DIR' needing to be
996 (let ((result (string-append #$output "/etc/ssl/certs")))
998 (concatenate-files ca-files
999 (string-append result
1000 "/ca-certificates.crt"))
1003 (gexp->derivation "ca-certificate-bundle" build
1007 `((type . profile-hook)
1008 (hook . ca-certificate-bundle))))
1010 (define (glib-schemas manifest)
1011 "Return a derivation that unions all schemas from manifest entries and
1012 creates the Glib 'gschemas.compiled' file."
1013 (define glib ; lazy reference
1014 (module-ref (resolve-interface '(gnu packages glib)) 'glib))
1016 (mlet %store-monad ((%glib (manifest-lookup-package manifest "glib"))
1017 ;; XXX: Can't use glib-compile-schemas corresponding
1018 ;; to the glib referenced by 'manifest'. Because
1019 ;; '%glib' can be either a package or store path, and
1020 ;; there's no way to get the "bin" output for the later.
1021 (glib-compile-schemas
1022 -> #~(string-append #+glib:bin
1023 "/bin/glib-compile-schemas")))
1026 (with-imported-modules '((guix build utils)
1028 (guix build profiles)
1032 (use-modules (guix build utils)
1034 (guix build profiles)
1037 (let* ((destdir (string-append #$output "/share/glib-2.0/schemas"))
1038 (schemadirs (filter file-exists?
1039 (map (cut string-append <> "/share/glib-2.0/schemas")
1040 '#$(manifest-inputs manifest)))))
1042 ;; Union all the schemas.
1043 (mkdir-p (string-append #$output "/share/glib-2.0"))
1044 (union-build destdir schemadirs
1045 #:log-port (%make-void-port "w"))
1047 (let ((dir destdir))
1048 (when (file-is-directory? dir)
1049 (ensure-writable-directory dir)
1050 (invoke #+glib-compile-schemas
1051 (string-append "--targetdir=" dir)
1054 ;; Don't run the hook when there's nothing to do.
1056 (gexp->derivation "glib-schemas" build
1060 `((type . profile-hook)
1061 (hook . glib-schemas)))
1064 (define (gtk-icon-themes manifest)
1065 "Return a derivation that unions all icon themes from manifest entries and
1066 creates the GTK+ 'icon-theme.cache' file for each theme."
1067 (define gtk+ ; lazy reference
1068 (module-ref (resolve-interface '(gnu packages gtk)) 'gtk+))
1070 (mlet %store-monad ((%gtk+ (manifest-lookup-package manifest "gtk+"))
1071 ;; XXX: Can't use gtk-update-icon-cache corresponding
1072 ;; to the gtk+ referenced by 'manifest'. Because
1073 ;; '%gtk+' can be either a package or store path, and
1074 ;; there's no way to get the "bin" output for the later.
1075 (gtk-update-icon-cache
1076 -> #~(string-append #+gtk+:bin
1077 "/bin/gtk-update-icon-cache")))
1080 (with-imported-modules '((guix build utils)
1082 (guix build profiles)
1086 (use-modules (guix build utils)
1088 (guix build profiles)
1092 (let* ((destdir (string-append #$output "/share/icons"))
1093 (icondirs (filter file-exists?
1094 (map (cut string-append <> "/share/icons")
1095 '#$(manifest-inputs manifest)))))
1097 ;; Union all the icons.
1098 (mkdir-p (string-append #$output "/share"))
1099 (union-build destdir icondirs
1100 #:log-port (%make-void-port "w"))
1102 ;; Update the 'icon-theme.cache' file for each icon theme.
1105 (let ((dir (string-append destdir "/" theme)))
1106 ;; Occasionally DESTDIR contains plain files, such as
1107 ;; "abiword_48.png". Ignore these.
1108 (when (file-is-directory? dir)
1109 (ensure-writable-directory dir)
1110 (system* #+gtk-update-icon-cache "-t" dir "--quiet"))))
1111 (scandir destdir (negate (cut member <> '("." "..")))))))))
1113 ;; Don't run the hook when there's nothing to do.
1115 (gexp->derivation "gtk-icon-themes" build
1119 `((type . profile-hook)
1120 (hook . gtk-icon-themes)))
1123 (define (gtk-im-modules manifest)
1124 "Return a derivation that builds the cache files for input method modules
1125 for both major versions of GTK+."
1127 (mlet %store-monad ((gtk+ (manifest-lookup-package manifest "gtk+" "3"))
1128 (gtk+-2 (manifest-lookup-package manifest "gtk+" "2")))
1130 (define (build gtk gtk-version query)
1131 (let ((major (string-take gtk-version 1)))
1132 (with-imported-modules '((guix build utils)
1134 (guix build profiles)
1138 (use-modules (guix build utils)
1140 (guix build profiles)
1145 (let* ((prefix (string-append "/lib/gtk-" #$major ".0/"
1147 (destdir (string-append #$output prefix))
1148 (moddirs (cons (string-append #$gtk prefix "/immodules")
1149 (filter file-exists?
1150 (map (cut string-append <> prefix "/immodules")
1151 '#$(manifest-inputs manifest)))))
1152 (modules (append-map (cut find-files <> "\\.so$")
1155 ;; Generate a new immodules cache file.
1156 (mkdir-p (string-append #$output prefix))
1157 (let ((pipe (apply open-pipe* OPEN_READ #$query modules))
1158 (outfile (string-append #$output prefix
1159 "/immodules-gtk" #$major ".cache")))
1163 (call-with-output-file outfile
1165 (while (not (eof-object? (peek-char pipe)))
1166 (write-char (read-char pipe) out))))
1169 (close-pipe pipe)))))))))
1171 ;; Don't run the hook when there's nothing to do.
1172 (let* ((pkg-gtk+ (module-ref ; lazy reference
1173 (resolve-interface '(gnu packages gtk)) 'gtk+))
1174 (pkg-gtk+2 (module-ref ; lazy reference
1175 (resolve-interface '(gnu packages gtk)) 'gtk+-2))
1180 ;; Use 'gtk-query-immodules-3.0' from the 'bin'
1181 ;; output of latest gtk+ package.
1183 #$pkg-gtk+:bin "/bin/gtk-query-immodules-3.0"))
1189 #$pkg-gtk+2:bin "/bin/gtk-query-immodules-2.0"))
1191 (if (or gtk+ gtk+-2)
1192 (gexp->derivation "gtk-im-modules" gexp
1196 `((type . profile-hook)
1197 (hook . gtk-im-modules)))
1200 (define (linux-module-database manifest)
1201 "Return a derivation that unites all the kernel modules of the manifest
1202 and creates the dependency graph of all these kernel modules.
1204 This is meant to be used as a profile hook."
1205 (define kmod ; lazy reference
1206 (module-ref (resolve-interface '(gnu packages linux)) 'kmod))
1208 (with-imported-modules
1209 (source-module-closure '((guix build utils)
1210 (gnu build linux-modules)))
1212 (use-modules (ice-9 ftw)
1214 (srfi srfi-1) ; append-map
1215 (gnu build linux-modules))
1216 (let* ((inputs '#$(manifest-inputs manifest))
1218 (map (lambda (directory)
1219 (string-append directory "/lib/modules"))
1223 (scandir directory (lambda (basename)
1225 (string-prefix? "." basename))))))
1226 ;; Note: Should usually result in one entry.
1227 (versions (delete-duplicates
1228 (append-map directory-entries
1229 module-directories))))
1232 (let ((old-path (getenv "PATH")))
1233 (setenv "PATH" #+(file-append kmod "/bin"))
1234 (make-linux-module-directory inputs version #$output)
1235 (setenv "PATH" old-path)))
1236 (_ (error "Specified Linux kernel and Linux kernel modules
1237 are not all of the same version")))))))
1238 (gexp->derivation "linux-module-database" build
1242 `((type . profile-hook)
1243 (hook . linux-module-database))))
1245 (define (xdg-desktop-database manifest)
1246 "Return a derivation that builds the @file{mimeinfo.cache} database from
1247 desktop files. It's used to query what applications can handle a given
1249 (define desktop-file-utils ; lazy reference
1250 (module-ref (resolve-interface '(gnu packages freedesktop))
1251 'desktop-file-utils))
1253 (mlet %store-monad ((glib
1254 (manifest-lookup-package
1257 (with-imported-modules '((guix build utils)
1260 (use-modules (srfi srfi-26)
1263 (let* ((destdir (string-append #$output "/share/applications"))
1264 (appdirs (filter file-exists?
1265 (map (cut string-append <>
1266 "/share/applications")
1267 '#$(manifest-inputs manifest))))
1268 (update-desktop-database (string-append
1269 #+desktop-file-utils
1270 "/bin/update-desktop-database")))
1271 (mkdir-p (string-append #$output "/share"))
1272 (union-build destdir appdirs
1273 #:log-port (%make-void-port "w"))
1274 (exit (zero? (system* update-desktop-database destdir)))))))
1276 ;; Don't run the hook when 'glib' is not referenced.
1278 (gexp->derivation "xdg-desktop-database" build
1282 `((type . profile-hook)
1283 (hook . xdg-desktop-database)))
1286 (define (xdg-mime-database manifest)
1287 "Return a derivation that builds the @file{mime.cache} database from manifest
1288 entries. It's used to query the MIME type of a given file."
1289 (define shared-mime-info ; lazy reference
1290 (module-ref (resolve-interface '(gnu packages gnome)) 'shared-mime-info))
1292 (mlet %store-monad ((glib
1293 (manifest-lookup-package
1296 (with-imported-modules '((guix build utils)
1299 (use-modules (srfi srfi-26)
1302 (let* ((datadir (string-append #$output "/share"))
1303 (destdir (string-append datadir "/mime"))
1304 (pkgdirs (filter file-exists?
1305 (map (cut string-append <>
1306 "/share/mime/packages")
1307 (cons #+shared-mime-info
1308 '#$(manifest-inputs manifest)))))
1309 (update-mime-database (string-append
1311 "/bin/update-mime-database")))
1313 (union-build (string-append destdir "/packages") pkgdirs
1314 #:log-port (%make-void-port "w"))
1315 (setenv "XDG_DATA_HOME" datadir)
1316 (exit (zero? (system* update-mime-database destdir)))))))
1318 ;; Don't run the hook when there are no GLib based applications.
1320 (gexp->derivation "xdg-mime-database" build
1324 `((type . profile-hook)
1325 (hook . xdg-mime-database)))
1328 ;; Several font packages may install font files into same directory, so
1329 ;; fonts.dir and fonts.scale file should be generated here, instead of in
1331 (define (fonts-dir-file manifest)
1332 "Return a derivation that builds the @file{fonts.dir} and @file{fonts.scale}
1333 files for the fonts of the @var{manifest} entries."
1335 (module-ref (resolve-interface '(gnu packages xorg)) 'mkfontscale))
1338 (module-ref (resolve-interface '(gnu packages xorg)) 'mkfontdir))
1342 (use-modules (srfi srfi-26)
1345 (let ((fonts-dirs (filter file-exists?
1346 (map (cut string-append <>
1348 '#$(manifest-inputs manifest)))))
1350 (if (null? fonts-dirs)
1352 (let* ((share-dir (string-append #$output "/share"))
1353 (fonts-dir (string-append share-dir "/fonts"))
1354 (mkfontscale (string-append #+mkfontscale
1355 "/bin/mkfontscale"))
1356 (mkfontdir (string-append #+mkfontdir
1358 (empty-file? (lambda (filename)
1359 (call-with-ascii-input-file filename
1361 (eqv? #\0 (read-char p))))))
1362 (fonts-dir-file "fonts.dir")
1363 (fonts-scale-file "fonts.scale"))
1365 ;; Create all sub-directories, because we may create fonts.dir
1366 ;; and fonts.scale files in the sub-directories.
1367 (union-build fonts-dir fonts-dirs
1368 #:log-port (%make-void-port "w")
1369 #:create-all-directories? #t)
1370 (let ((directories (find-files fonts-dir
1372 (eq? 'directory (stat:type stat)))
1373 #:directories? #t)))
1374 (for-each (lambda (dir)
1375 (with-directory-excursion dir
1376 (when (file-exists? fonts-scale-file)
1377 (delete-file fonts-scale-file))
1378 (when (file-exists? fonts-dir-file)
1379 (delete-file fonts-dir-file))
1380 (unless (and (zero? (system* mkfontscale))
1381 (zero? (system* mkfontdir)))
1383 (when (and (file-exists? fonts-scale-file)
1384 (empty-file? fonts-scale-file))
1385 (delete-file fonts-scale-file))
1386 (when (and (file-exists? fonts-dir-file)
1387 (empty-file? fonts-dir-file))
1388 (delete-file fonts-dir-file))))
1391 (gexp->derivation "fonts-dir" build
1392 #:modules '((guix build utils)
1398 `((type . profile-hook)
1399 (hook . fonts-dir))))
1401 (define (manual-database manifest)
1402 "Return a derivation that builds the manual page database (\"mandb\") for
1403 the entries in MANIFEST."
1405 (module-ref (resolve-interface '(gnu packages guile))
1409 (module-ref (resolve-interface '(gnu packages compression)) 'zlib))
1412 (scheme-file "config.scm"
1414 (define-module #$'(guix config) ;placate Geiser
1418 #+(file-append zlib "/lib/libz")))))
1421 (cons `((guix config) => ,config.scm)
1422 (delete '(guix config)
1423 (source-module-closure `((guix build utils)
1427 (with-imported-modules modules
1428 (with-extensions (list gdbm-ffi) ;for (guix man-db)
1430 (use-modules (guix man-db)
1436 (define (print-string msg)
1440 (define-syntax-rule (print fmt args ...)
1441 ;; Build up the string and display it at once.
1442 (print-string (format #f fmt args ...)))
1444 (define (compute-entry directory count total)
1445 (print "\r[~3d/~3d] building list of man-db entries..."
1447 (let ((man (string-append directory "/share/man")))
1448 (if (directory-exists? man)
1452 (define (compute-entries)
1453 ;; This is the most expensive part (I/O and CPU, due to
1454 ;; decompression), so report progress as we traverse INPUTS.
1455 ;; Cap at 4 threads because we don't see any speedup beyond that
1456 ;; on an SSD laptop.
1457 (let* ((inputs '#$(manifest-inputs manifest))
1458 (total (length inputs))
1459 (threads (min (parallel-job-count) 4)))
1461 (n-par-map threads compute-entry inputs
1463 (make-list total total)))))
1465 (define man-directory
1466 (string-append #$output "/share/man"))
1468 (mkdir-p man-directory)
1470 (format #t "Creating manual page database...~%")
1472 (let* ((start (current-time))
1473 (entries (compute-entries))
1474 (_ (write-mandb-database (string-append man-directory
1477 (duration (time-difference (current-time) start)))
1479 (format #t "~a entries processed in ~,1f s~%"
1481 (+ (time-second duration)
1482 (* (time-nanosecond duration) (expt 10 -9))))
1485 (gexp->derivation "manual-database" build
1487 ;; Work around GDBM 1.13 issue whereby uninitialized bytes
1488 ;; get written to disk:
1489 ;; <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=29654#23>.
1490 #:env-vars `(("MALLOC_PERTURB_" . "1"))
1495 `((type . profile-hook)
1496 (hook . manual-database))))
1498 (define (texlive-configuration manifest)
1499 "Return a derivation that builds a TeXlive configuration for the entries in
1501 (define entry->texlive-input
1503 (($ <manifest-entry> name version output thing deps)
1504 (if (string-prefix? "texlive-" name)
1505 (cons (gexp-input thing output)
1506 (append-map entry->texlive-input deps))
1509 (with-imported-modules '((guix build utils)
1512 (use-modules (guix build utils)
1515 ;; Build a modifiable union of all texlive inputs. We do this so
1516 ;; that TeX live can resolve the parent and grandparent directories
1517 ;; correctly. There might be a more elegant way to accomplish this.
1518 (union-build #$output
1519 '#$(append-map entry->texlive-input
1520 (manifest-entries manifest))
1521 #:create-all-directories? #t
1522 #:log-port (%make-void-port "w"))
1523 (let ((texmf.cnf (string-append
1525 "/share/texmf-dist/web2c/texmf.cnf")))
1526 (when (file-exists? texmf.cnf)
1527 (substitute* texmf.cnf
1528 (("^TEXMFROOT = .*")
1529 (string-append "TEXMFROOT = " #$output "/share\n"))
1531 "TEXMF = $TEXMFROOT/share/texmf-dist\n"))))
1534 (with-monad %store-monad
1535 (if (any (cut string-prefix? "texlive-" <>)
1536 (map manifest-entry-name (manifest-entries manifest)))
1537 (gexp->derivation "texlive-configuration" build
1541 `((type . profile-hook)
1542 (hook . texlive-configuration)))
1545 (define %default-profile-hooks
1546 ;; This is the list of derivation-returning procedures that are called by
1547 ;; default when making a non-empty profile.
1551 ghc-package-cache-file
1552 ca-certificate-bundle
1556 texlive-configuration
1557 xdg-desktop-database
1560 (define* (profile-derivation manifest
1563 (hooks %default-profile-hooks)
1565 (allow-collisions? #f)
1566 (relative-symlinks? #f)
1568 "Return a derivation that builds a profile (aka. 'user environment') with
1569 the given MANIFEST. The profile includes additional derivations returned by
1570 the monadic procedures listed in HOOKS--such as an Info 'dir' file, etc.
1571 Unless ALLOW-COLLISIONS? is true, a '&profile-collision-error' is raised if
1572 entries in MANIFEST collide (for instance if there are two same-name packages
1573 with a different version number.)
1575 When LOCALES? is true, the build is performed under a UTF-8 locale; this adds
1576 a dependency on the 'glibc-utf8-locales' package.
1578 When RELATIVE-SYMLINKS? is true, use relative file names for symlink targets.
1579 This is one of the things to do for the result to be relocatable.
1581 When TARGET is true, it must be a GNU triplet, and the packages in MANIFEST
1582 are cross-built for TARGET."
1583 (mlet* %store-monad ((system (if system
1588 (current-target-system)))
1589 (ok? (if allow-collisions?
1591 (check-for-collisions manifest system
1593 (extras (if (null? (manifest-entries manifest))
1595 (mapm/accumulate-builds (lambda (hook)
1599 (append (filter-map (lambda (drv)
1600 (and (derivation? drv)
1603 (manifest-inputs manifest)))
1605 (define glibc-utf8-locales ;lazy reference
1606 (module-ref (resolve-interface '(gnu packages base))
1607 'glibc-utf8-locales))
1609 (define set-utf8-locale
1610 ;; Some file names (e.g., in 'nss-certs') are UTF-8 encoded so
1611 ;; install a UTF-8 locale.
1614 #$(file-append glibc-utf8-locales "/lib/locale/"
1615 (version-major+minor
1616 (package-version glibc-utf8-locales))))
1617 (setlocale LC_ALL "en_US.utf8")))
1620 (with-imported-modules '((guix build profiles)
1626 (use-modules (guix build profiles)
1630 (let ((line (cond-expand (guile-2.2 'line)
1631 (else _IOLBF)))) ;Guile 2.0
1632 (setvbuf (current-output-port) line)
1633 (setvbuf (current-error-port) line))
1635 #+(if locales? set-utf8-locale #t)
1637 (define search-paths
1638 ;; Search paths of MANIFEST's packages, converted back to their
1640 (map sexp->search-path-specification
1642 '#$(map search-path-specification->sexp
1643 (manifest-search-paths manifest)))))
1645 (build-profile #$output '#$inputs
1646 #:symlink #$(if relative-symlinks?
1649 #:manifest '#$(manifest->gexp manifest)
1650 #:search-paths search-paths))))
1652 (gexp->derivation name builder
1656 ;; Don't complain about _IO* on Guile 2.2.
1657 #:env-vars '(("GUILE_WARN_DEPRECATED" . "no"))
1659 ;; Not worth offloading.
1662 ;; Disable substitution because it would trigger a
1663 ;; connection to the substitute server, which is likely
1664 ;; to have no substitute to offer.
1667 #:properties `((type . profile)
1671 (manifest-entries manifest))))))))
1673 ;; Declarative profile.
1674 (define-record-type* <profile> profile make-profile
1676 (name profile-name (default "profile")) ;string
1677 (content profile-content) ;<manifest>
1678 (hooks profile-hooks ;list of procedures
1679 (default %default-profile-hooks))
1680 (locales? profile-locales? ;Boolean
1682 (allow-collisions? profile-allow-collisions? ;Boolean
1684 (relative-symlinks? profile-relative-symlinks? ;Boolean
1687 (define-gexp-compiler (profile-compiler (profile <profile>) system target)
1688 "Compile PROFILE to a derivation."
1690 (($ <profile> name manifest hooks
1691 locales? allow-collisions? relative-symlinks?)
1692 (profile-derivation manifest
1696 #:allow-collisions? allow-collisions?
1697 #:relative-symlinks? relative-symlinks?
1698 #:system system #:target target))))
1700 (define* (profile-search-paths profile
1701 #:optional (manifest (profile-manifest profile))
1702 #:key (getenv (const #f)))
1703 "Read the manifest of PROFILE and evaluate the values of search path
1704 environment variables required by PROFILE; return a list of
1705 specification/value pairs. If MANIFEST is not #f, it is assumed to be the
1706 manifest of PROFILE, which avoids rereading it.
1708 Use GETENV to determine the current settings and report only settings not
1710 (evaluate-search-paths (manifest-search-paths manifest)
1711 (list profile) getenv))
1713 (define (profile-regexp profile)
1714 "Return a regular expression that matches PROFILE's name and number."
1715 (make-regexp (string-append "^" (regexp-quote (basename profile))
1718 (define (generation-number profile)
1719 "Return PROFILE's number or 0. An absolute file name must be used."
1720 (or (and=> (false-if-exception (regexp-exec (profile-regexp profile)
1721 (basename (readlink profile))))
1722 (compose string->number (cut match:substring <> 1)))
1725 (define %profile-generation-rx
1726 ;; Regexp that matches profile generation.
1727 (make-regexp "(.*)-([0-9]+)-link$"))
1729 (define (generation-profile file)
1730 "If FILE is a profile generation GC root such as \"guix-profile-42-link\",
1731 return its corresponding profile---e.g., \"guix-profile\". Otherwise return
1733 (match (regexp-exec %profile-generation-rx file)
1735 (m (let ((profile (match:substring m 1)))
1736 (and (file-exists? (string-append profile "/manifest"))
1739 (define (generation-numbers profile)
1740 "Return the sorted list of generation numbers of PROFILE, or '(0) if no
1741 former profiles were found."
1742 (match (scandir (dirname profile)
1743 (cute regexp-exec (profile-regexp profile) <>))
1744 (#f ; no profile directory
1748 ((profiles ...) ; former profiles around
1749 (sort (map (compose string->number
1750 (cut match:substring <> 1)
1751 (cute regexp-exec (profile-regexp profile) <>))
1755 (define (profile-generations profile)
1756 "Return a list of PROFILE's generations."
1757 (let ((generations (generation-numbers profile)))
1758 (if (equal? generations '(0))
1762 (define (relative-generation-spec->number profile spec)
1763 "Return PROFILE's generation specified by SPEC, which is a string. The SPEC
1764 may be a N, -N, or +N, where N is a number. If the spec is N, then the number
1765 returned is N. If it is -N, then the number returned is the profile's current
1766 generation number minus N. If it is +N, then the number returned is the
1767 profile's current generation number plus N. Return #f if there is no such
1769 (let ((number (string->number spec)))
1771 (case (string-ref spec 0)
1773 (relative-generation profile number))
1774 (else (if (memv number (profile-generations profile))
1779 (define* (relative-generation profile shift #:optional
1780 (current (generation-number profile)))
1781 "Return PROFILE's generation shifted from the CURRENT generation by SHIFT.
1782 SHIFT is a positive or negative number.
1783 Return #f if there is no such generation."
1784 (let* ((abs-shift (abs shift))
1785 (numbers (profile-generations profile))
1786 (from-current (memq current
1787 (if (negative? shift)
1791 (< abs-shift (length from-current))
1792 (list-ref from-current abs-shift))))
1794 (define* (previous-generation-number profile #:optional
1795 (number (generation-number profile)))
1796 "Return the number of the generation before generation NUMBER of
1797 PROFILE, or 0 if none exists. It could be NUMBER - 1, but it's not the
1798 case when generations have been deleted (there are \"holes\")."
1799 (or (relative-generation profile -1 number)
1802 (define (generation-file-name profile generation)
1803 "Return the file name for PROFILE's GENERATION."
1804 (format #f "~a-~a-link" profile generation))
1806 (define (generation-time profile number)
1807 "Return the creation time of a generation in the UTC format."
1808 (make-time time-utc 0
1809 (stat:ctime (stat (generation-file-name profile number)))))
1811 (define (link-to-empty-profile store generation)
1812 "Link GENERATION, a string, to the empty profile. An error is raised if
1814 (let* ((drv (run-with-store store
1815 (profile-derivation (manifest '())
1817 (prof (derivation->output-path drv "out")))
1818 (build-derivations store (list drv))
1819 (switch-symlinks generation prof)))
1821 (define (switch-to-generation profile number)
1822 "Atomically switch PROFILE to the generation NUMBER. Return the number of
1823 the generation that was current before switching."
1824 (let ((current (generation-number profile))
1825 (generation (generation-file-name profile number)))
1826 (cond ((not (file-exists? profile))
1827 (raise (condition (&profile-not-found-error
1828 (profile profile)))))
1829 ((not (file-exists? generation))
1830 (raise (condition (&missing-generation-error
1832 (generation number)))))
1834 (switch-symlinks profile (basename generation))
1837 (define (switch-to-previous-generation profile)
1838 "Atomically switch PROFILE to the previous generation. Return the former
1839 generation number and the current one."
1840 (let ((previous (previous-generation-number profile)))
1841 (values (switch-to-generation profile previous)
1844 (define (roll-back store profile)
1845 "Roll back to the previous generation of PROFILE. Return the number of the
1846 generation that was current before switching and the new generation number."
1847 (let* ((number (generation-number profile))
1848 (previous-number (previous-generation-number profile number))
1849 (previous-generation (generation-file-name profile previous-number)))
1850 (cond ((not (file-exists? profile)) ;invalid profile
1851 (raise (condition (&profile-not-found-error
1852 (profile profile)))))
1853 ((zero? number) ;empty profile
1854 (values number number))
1855 ((or (zero? previous-number) ;going to emptiness
1856 (not (file-exists? previous-generation)))
1857 (link-to-empty-profile store previous-generation)
1858 (switch-to-previous-generation profile))
1859 (else ;anything else
1860 (switch-to-previous-generation profile)))))
1862 (define (delete-generation store profile number)
1863 "Delete generation with NUMBER from PROFILE. Return the file name of the
1864 generation that has been deleted, or #f if nothing was done (for instance
1865 because the NUMBER is zero.)"
1866 (define (delete-and-return)
1867 (let ((generation (generation-file-name profile number)))
1868 (delete-file generation)
1871 (let* ((current-number (generation-number profile))
1872 (previous-number (previous-generation-number profile number))
1873 (previous-generation (generation-file-name profile previous-number)))
1874 (cond ((zero? number) #f) ;do not delete generation 0
1875 ((and (= number current-number)
1876 (not (file-exists? previous-generation)))
1877 (link-to-empty-profile store previous-generation)
1878 (switch-to-previous-generation profile)
1879 (delete-and-return))
1880 ((= number current-number)
1881 (roll-back store profile)
1882 (delete-and-return))
1884 (delete-and-return)))))
1886 (define %user-profile-directory
1887 (and=> (getenv "HOME")
1888 (cut string-append <> "/.guix-profile")))
1890 (define %profile-directory
1891 (string-append %state-directory "/profiles/"
1892 (or (and=> (or (getenv "USER")
1895 (passwd:name (getpwuid (getuid)))))
1896 (cut string-append "per-user/" <>))
1899 (define %current-profile
1900 ;; Call it `guix-profile', not `profile', to allow Guix profiles to
1901 ;; coexist with Nix profiles.
1902 (string-append %profile-directory "/guix-profile"))
1904 (define (ensure-profile-directory)
1905 "Attempt to create /…/profiles/per-user/$USER if needed. Nowadays this is
1906 taken care of by the daemon."
1907 (let ((s (stat %profile-directory #f)))
1908 (unless (and s (eq? 'directory (stat:type s)))
1909 (catch 'system-error
1911 (mkdir-p %profile-directory))
1913 ;; Often, we cannot create %PROFILE-DIRECTORY because its
1914 ;; parent directory is root-owned and we're running
1920 (G_ "while creating directory `~a': ~a")
1922 (strerror (system-error-errno args)))))
1925 (format #f (G_ "Please create the @file{~a} directory, \
1926 with you as the owner.")
1927 %profile-directory))))))))
1929 ;; Bail out if it's not owned by the user.
1930 (unless (or (not s) (= (stat:uid s) (getuid)))
1934 (format #f (G_ "directory `~a' is not owned by you")
1935 %profile-directory)))
1938 (format #f (G_ "Please change the owner of @file{~a} \
1940 %profile-directory (or (getenv "USER")
1944 (define (canonicalize-profile profile)
1945 "If PROFILE points to a profile in %PROFILE-DIRECTORY, return that.
1946 Otherwise return PROFILE unchanged. The goal is to treat '-p ~/.guix-profile'
1947 as if '-p' was omitted." ; see <http://bugs.gnu.org/17939>
1948 ;; Trim trailing slashes so 'readlink' can do its job.
1949 (let ((profile (string-trim-right profile #\/)))
1950 (catch 'system-error
1952 (let ((target (readlink profile)))
1953 (if (string=? (dirname target) %profile-directory)
1958 (define %known-shorthand-profiles
1959 ;; Known shorthand forms for profiles that the user manipulates.
1960 (list (string-append (config-directory #:ensure? #f) "/current")
1961 %user-profile-directory))
1963 (define (user-friendly-profile profile)
1964 "Return either ~/.guix-profile or ~/.config/guix/current if that's what
1965 PROFILE refers to, directly or indirectly, or PROFILE."
1966 (or (find (lambda (shorthand)
1968 (let ((target (false-if-exception
1969 (readlink shorthand))))
1970 (and target (string=? target profile)))))
1971 %known-shorthand-profiles)
1974 ;;; profiles.scm ends here