1 ;;; GNU Guix --- Functional package management for GNU
2 ;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
3 ;;; Copyright © 2014, 2015, 2017 Mark H Weaver <mhw@netris.org>
4 ;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.org>
5 ;;; Copyright © 2016 Alex Kost <alezost@gmail.com>
6 ;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
8 ;;; This file is part of GNU Guix.
10 ;;; GNU Guix is free software; you can redistribute it and/or modify it
11 ;;; under the terms of the GNU General Public License as published by
12 ;;; the Free Software Foundation; either version 3 of the License, or (at
13 ;;; your option) any later version.
15 ;;; GNU Guix is distributed in the hope that it will be useful, but
16 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;;; GNU General Public License for more details.
20 ;;; You should have received a copy of the GNU General Public License
21 ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
23 (define-module (guix packages)
24 #:use-module (guix utils)
25 #:use-module (guix records)
26 #:use-module (guix store)
27 #:use-module (guix monads)
28 #:use-module (guix gexp)
29 #:use-module (guix base32)
30 #:use-module (guix grafts)
31 #:use-module (guix derivations)
32 #:use-module (guix memoization)
33 #:use-module (guix build-system)
34 #:use-module (guix search-paths)
35 #:use-module (guix sets)
36 #:use-module (ice-9 match)
37 #:use-module (ice-9 vlist)
38 #:use-module (srfi srfi-1)
39 #:use-module (srfi srfi-9 gnu)
40 #:use-module (srfi srfi-11)
41 #:use-module (srfi srfi-26)
42 #:use-module (srfi srfi-34)
43 #:use-module (srfi srfi-35)
44 #:use-module (web uri)
45 #:re-export (%current-system
46 %current-target-system
47 search-path-specification) ;for convenience
54 origin-actual-file-name
74 package-propagated-inputs
76 package-native-search-paths
83 package-supported-systems
91 package-field-location
93 package-direct-sources
94 package-transitive-sources
96 package-transitive-inputs
97 package-transitive-target-inputs
98 package-transitive-native-inputs
99 package-transitive-propagated-inputs
100 package-transitive-native-search-paths
101 package-transitive-supported-systems
103 package-input-rewriting
104 package-source-derivation
106 package-cross-derivation
111 transitive-input-references
115 %hydra-supported-systems
120 package-error-package
123 package-error-invalid-input
124 &package-cross-build-system-error
125 package-cross-build-system-error?
130 bag-transitive-inputs
131 bag-transitive-host-inputs
132 bag-transitive-build-inputs
133 bag-transitive-target-inputs
136 default-guile-derivation
140 package->cross-derivation
145 ;;; This module provides a high-level mechanism to define packages in a
146 ;;; Guix-based distribution.
150 ;; The source of a package, such as a tarball URL and fetcher---called
151 ;; "origin" to avoid name clash with `package-source', `source', etc.
152 (define-record-type* <origin>
155 (uri origin-uri) ; string
156 (method origin-method) ; procedure
157 (sha256 origin-sha256) ; bytevector
158 (file-name origin-file-name (default #f)) ; optional file name
160 ;; Patches are delayed so that the 'search-patch' calls are made lazily,
161 ;; which reduces I/O on startup and allows patch-not-found errors to be
162 ;; gracefully handled at run time.
163 (patches origin-patches ; list of file names
164 (default '()) (delayed))
166 (snippet origin-snippet (default #f)) ; sexp or #f
167 (patch-flags origin-patch-flags ; list of strings
170 ;; Patching requires Guile, GNU Patch, and a few more. These two fields are
171 ;; used to specify these dependencies when needed.
172 (patch-inputs origin-patch-inputs ; input list or #f
174 (modules origin-modules ; list of module names
177 (patch-guile origin-patch-guile ; package or #f
180 (define (print-origin origin port)
181 "Write a concise representation of ORIGIN to PORT."
183 (($ <origin> uri method sha256 file-name patches)
184 (simple-format port "#<origin ~s ~a ~s ~a>"
185 uri (bytevector->base32-string sha256)
187 (number->string (object-address origin) 16)))))
189 (set-record-type-printer! <origin> print-origin)
191 (define-syntax base32
193 "Return the bytevector corresponding to the given Nix-base32
197 (string? (syntax->datum #'str))
198 ;; A literal string: do the conversion at expansion time.
199 (with-syntax ((bv (nix-base32-string->bytevector
200 (syntax->datum #'str))))
203 #'(nix-base32-string->bytevector str)))))
205 (define (origin-actual-file-name origin)
206 "Return the file name of ORIGIN, either its 'file-name' field or the file
208 (define (uri->file-name uri)
209 ;; Return the 'base name' of URI or URI itself, where URI is a string.
210 (let ((path (and=> (string->uri uri) uri-path)))
215 (or (origin-file-name origin)
216 (match (origin-uri origin)
218 (uri->file-name head))
220 (uri->file-name uri))
222 ;; git, svn, cvs, etc. reference
225 (define %supported-systems
226 ;; This is the list of system types that are supported. By default, we
227 ;; expect all packages to build successfully here.
228 '("x86_64-linux" "i686-linux" "armhf-linux" "aarch64-linux" "mips64el-linux"))
230 (define %hurd-systems
231 ;; The GNU/Hurd systems for which support is being developed.
232 '("i585-gnu" "i686-gnu"))
234 (define %hydra-supported-systems
235 ;; This is the list of system types for which build machines are available.
237 ;; XXX: MIPS is temporarily unavailable on Hydra:
238 ;; <https://lists.gnu.org/archive/html/guix-devel/2017-03/msg00790.html>.
239 (fold delete %supported-systems '("aarch64-linux" "mips64el-linux")))
243 (define-record-type* <package>
246 (name package-name) ; string
247 (version package-version) ; string
248 (source package-source) ; <origin> instance
249 (build-system package-build-system) ; build system
250 (arguments package-arguments ; arguments for the build method
251 (default '()) (thunked))
253 (inputs package-inputs ; input packages or derivations
254 (default '()) (thunked))
255 (propagated-inputs package-propagated-inputs ; same, but propagated
256 (default '()) (thunked))
257 (native-inputs package-native-inputs ; native input packages/derivations
258 (default '()) (thunked))
259 (self-native-input? package-self-native-input? ; whether to use itself as
260 ; a native input when cross-
261 (default #f)) ; compiling
263 (outputs package-outputs ; list of strings
267 ; <search-path-specification>,
268 ; for native and cross
270 (native-search-paths package-native-search-paths (default '()))
271 (search-paths package-search-paths (default '()))
273 ;; The 'replacement' field is marked as "innate" because it never makes
274 ;; sense to inherit a replacement as is. See the 'package/inherit' macro.
275 (replacement package-replacement ; package | #f
276 (default #f) (thunked) (innate))
278 (synopsis package-synopsis) ; one-line description
279 (description package-description) ; one or two paragraphs
280 (license package-license)
281 (home-page package-home-page)
282 (supported-systems package-supported-systems ; list of strings
283 (default %supported-systems))
284 (maintainers package-maintainers (default '()))
286 (properties package-properties (default '())) ; alist for anything else
288 (location package-location
289 (default (and=> (current-source-location)
290 source-properties->location))
293 (set-record-type-printer! <package>
294 (lambda (package port)
295 (let ((loc (package-location package))
296 (format simple-format))
297 (format port "#<package ~a@~a ~a~a>"
298 (package-name package)
299 (package-version package)
305 (number->string (object-address
309 (define (package-upstream-name package)
310 "Return the upstream name of PACKAGE, which could be different from the name
312 (or (assq-ref (package-properties package) 'upstream-name)
313 (package-name package)))
315 (define (hidden-package p)
316 "Return a \"hidden\" version of P--i.e., one that 'fold-packages' and thus,
317 user interfaces, ignores."
320 (properties `((hidden? . #t)
321 ,@(package-properties p)))))
323 (define (hidden-package? p)
324 "Return true if P is \"hidden\"--i.e., must not be visible to user
326 (assoc-ref (package-properties p) 'hidden?))
328 (define (package-superseded p)
329 "Return the package the supersedes P, or #f if P is still current."
330 (assoc-ref (package-properties p) 'superseded))
332 (define (deprecated-package old-name p)
333 "Return a package called OLD-NAME and marked as superseded by P, a package
338 (properties `((superseded . ,p)))))
340 (define (package-field-location package field)
341 "Return the source code location of the definition of FIELD for PACKAGE, or
342 #f if it could not be determined."
343 (define (goto port line column)
344 (unless (and (= (port-column port) (- column 1))
345 (= (port-line port) (- line 1)))
346 (unless (eof-object? (read-char port))
347 (goto port line column))))
349 (match (package-location package)
350 (($ <location> file line column)
353 ;; In general we want to keep relative file names for modules.
354 (with-fluids ((%file-port-name-canonicalization 'relative))
355 (call-with-input-file (search-path %load-path file)
357 (goto port line column)
359 (('package inits ...)
360 (let ((field (assoc field inits)))
363 ;; Put the `or' here, and not in the first argument of
364 ;; `and=>', to work around a compiler bug in 2.0.5.
365 (or (and=> (source-properties value)
366 source-properties->location)
367 (and=> (source-properties field)
368 source-properties->location)))
380 (define-condition-type &package-error &error
382 (package package-error-package))
384 (define-condition-type &package-input-error &package-error
386 (input package-error-invalid-input))
388 (define-condition-type &package-cross-build-system-error &package-error
389 package-cross-build-system-error?)
392 (define (package-full-name package)
393 "Return the full name of PACKAGE--i.e., `NAME-VERSION'."
394 (string-append (package-name package) "-" (package-version package)))
396 (define (%standard-patch-inputs)
397 (let* ((canonical (module-ref (resolve-interface '(gnu packages base))
399 (ref (lambda (module var)
401 (module-ref (resolve-interface module) var)))))
402 `(("tar" ,(ref '(gnu packages base) 'tar))
403 ("xz" ,(ref '(gnu packages compression) 'xz))
404 ("bzip2" ,(ref '(gnu packages compression) 'bzip2))
405 ("gzip" ,(ref '(gnu packages compression) 'gzip))
406 ("lzip" ,(ref '(gnu packages compression) 'lzip))
407 ("unzip" ,(ref '(gnu packages compression) 'unzip))
408 ("patch" ,(ref '(gnu packages base) 'patch))
409 ("locales" ,(ref '(gnu packages base) 'glibc-utf8-locales)))))
411 (define (default-guile)
412 "Return the default Guile package used to run the build code of
414 (let ((distro (resolve-interface '(gnu packages commencement))))
415 (module-ref distro 'guile-final)))
419 ;; FIXME: This is used as a workaround for <https://bugs.gnu.org/28211> when
420 ;; grafting packages.
421 (let ((distro (resolve-interface '(gnu packages guile))))
422 (module-ref distro 'guile-2.0)))
424 (define* (default-guile-derivation #:optional (system (%current-system)))
425 "Return the derivation for SYSTEM of the default Guile package used to run
426 the build code of derivation."
427 (package->derivation (default-guile) system
430 (define* (patch-and-repack source patches
436 (guile-for-build (%guile-for-build))
437 (system (%current-system)))
438 "Unpack SOURCE (a derivation or store path), apply all of PATCHES, and
439 repack the tarball using the tools listed in INPUTS. When SNIPPET is true,
440 it must be an s-expression that will run from within the directory where
441 SOURCE was unpacked, after all of PATCHES have been applied. MODULES
442 specifies modules in scope when evaluating SNIPPET."
443 (define source-file-name
444 ;; SOURCE is usually a derivation, but it could be a store file.
445 (if (derivation? source)
446 (derivation->output-path source)
450 ;; The default value of the 'patch-inputs' field, and thus INPUTS is #f,
451 ;; so deal with that.
452 (let ((inputs (or inputs (%standard-patch-inputs))))
454 (match (assoc-ref inputs name)
458 (define decompression-type
459 (cond ((string-suffix? "gz" source-file-name) "gzip")
460 ((string-suffix? "Z" source-file-name) "gzip")
461 ((string-suffix? "bz2" source-file-name) "bzip2")
462 ((string-suffix? "lz" source-file-name) "lzip")
463 ((string-suffix? "zip" source-file-name) "unzip")
466 (define original-file-name
467 ;; Remove the store prefix plus the slash, hash, and hyphen.
468 (let* ((sans (string-drop source-file-name
469 (+ (string-length (%store-prefix)) 1)))
470 (dash (string-index sans #\-)))
471 (string-drop sans (+ 1 dash))))
473 (define (numeric-extension? file-name)
474 ;; Return true if FILE-NAME ends with digits.
475 (and=> (file-extension file-name)
476 (cut string-every char-set:hex-digit <>)))
478 (define (tarxz-name file-name)
479 ;; Return a '.tar.xz' file name based on FILE-NAME.
480 (let ((base (if (numeric-extension? file-name)
482 (file-sans-extension file-name))))
484 (if (equal? (file-extension base) "tar")
488 (define instantiate-patch
490 ((? string? patch) ;deprecated
491 (interned-file patch #:recursive? #t))
492 ((? struct? patch) ;origin, local-file, etc.
493 (lower-object patch system))))
495 (mlet %store-monad ((tar -> (lookup-input "tar"))
496 (xz -> (lookup-input "xz"))
497 (patch -> (lookup-input "patch"))
498 (locales -> (lookup-input "locales"))
499 (decomp -> (lookup-input decompression-type))
500 (patches (sequence %store-monad
501 (map instantiate-patch patches))))
503 (with-imported-modules '((guix build utils))
505 (use-modules (ice-9 ftw)
509 ;; The --sort option was added to GNU tar in version 1.28, released
510 ;; 2014-07-28. During bootstrap we must cope with older versions.
511 (define tar-supports-sort?
512 (zero? (system* (string-append #+tar "/bin/tar")
513 "cf" "/dev/null" "--files-from=/dev/null"
516 (define (apply-patch patch)
517 (format (current-error-port) "applying '~a'...~%" patch)
519 ;; Use '--force' so that patches that do not apply perfectly are
520 ;; rejected. Use '--no-backup-if-mismatch' to prevent making
521 ;; "*.orig" file if a patch is applied with offset.
522 (zero? (system* (string-append #+patch "/bin/patch")
523 "--force" "--no-backup-if-mismatch"
524 #+@flags "--input" patch)))
526 (define (first-file directory)
527 ;; Return the name of the first file in DIRECTORY.
528 (car (scandir directory
530 (not (member name '("." "..")))))))
532 ;; Encoding/decoding errors shouldn't be silent.
533 (fluid-set! %default-port-conversion-strategy 'error)
536 ;; First of all, install a UTF-8 locale so that UTF-8 file names
537 ;; are correctly interpreted. During bootstrap, LOCALES is #f.
539 (string-append #+locales "/lib/locale/"
541 (package-version locales))))
542 (setlocale LC_ALL "en_US.utf8"))
544 (setenv "PATH" (string-append #+xz "/bin" ":"
547 ;; SOURCE may be either a directory or a tarball.
548 (and (if (file-is-directory? #+source)
549 (let* ((store (%store-directory))
550 (len (+ 1 (string-length store)))
551 (base (string-drop #+source len))
552 (dash (string-index base #\-))
553 (directory (string-drop base (+ 1 dash))))
555 (copy-recursively #+source directory)
557 #+(if (string=? decompression-type "unzip")
558 #~(zero? (system* "unzip" #+source))
559 #~(zero? (system* (string-append #+tar "/bin/tar")
561 (let ((directory (first-file ".")))
562 (format (current-error-port)
563 "source is under '~a'~%" directory)
566 (and (every apply-patch '#+patches)
568 #~((let ((module (make-fresh-user-module)))
569 (module-use-interfaces!
571 (map resolve-interface '#+modules))
572 ((@ (system base compile) compile)
575 #:opts %auto-compilation-options
579 (begin (chdir "..") #t)
581 (unless tar-supports-sort?
582 (call-with-output-file ".file_list"
584 (for-each (lambda (name)
585 (format port "~a~%" name))
586 (find-files directory
588 #:fail-on-error? #t)))))
589 (zero? (apply system*
590 (string-append #+tar "/bin/tar")
592 ;; The bootstrap xz does not support
593 ;; threaded compression (introduced in
594 ;; 5.2.0), but it ignores the extra flag.
595 (string-append "--use-compress-program="
596 #+xz "/bin/xz --threads=0")
597 ;; avoid non-determinism in the archive
601 (if tar-supports-sort?
605 "--files-from=.file_list"))))))))))
607 (let ((name (tarxz-name original-file-name)))
608 (gexp->derivation name build
611 #:deprecation-warnings #t ;to avoid a rebuild
612 #:guile-for-build guile-for-build))))
614 (define (transitive-inputs inputs)
615 "Return the closure of INPUTS when considering the 'propagated-inputs'
616 edges. Omit duplicate inputs, except for those already present in INPUTS
619 This is implemented as a breadth-first traversal such that INPUTS is
620 preserved, and only duplicate propagated inputs are removed."
621 (define (seen? seen item outputs)
622 (match (vhash-assq item seen)
623 ((_ . o) (equal? o outputs))
626 (let loop ((inputs inputs)
633 (if (null? propagated)
635 (loop (reverse (concatenate propagated)) result '() #f seen)))
636 (((and input (label (? package? package) outputs ...)) rest ...)
637 (if (and (not first?) (seen? seen package outputs))
638 (loop rest result propagated first? seen)
641 (cons (package-propagated-inputs package) propagated)
643 (vhash-consq package outputs seen))))
645 (loop rest (cons input result) propagated first? seen)))))
647 (define (package-direct-sources package)
648 "Return all source origins associated with PACKAGE; including origins in
650 `(,@(or (and=> (package-source package) list) '())
651 ,@(filter-map (match-lambda
652 ((_ (? origin? orig) _ ...)
655 (package-direct-inputs package))))
657 (define (package-transitive-sources package)
658 "Return PACKAGE's direct sources, and their direct sources, recursively."
660 (concatenate (filter-map (match-lambda
661 ((_ (? origin? orig) _ ...)
663 ((_ (? package? p) _ ...)
664 (package-direct-sources p))
666 (bag-transitive-inputs
667 (package->bag package))))))
669 (define (package-direct-inputs package)
670 "Return all the direct inputs of PACKAGE---i.e, its direct inputs along
671 with their propagated inputs."
672 (append (package-native-inputs package)
673 (package-inputs package)
674 (package-propagated-inputs package)))
676 (define (package-transitive-inputs package)
677 "Return the transitive inputs of PACKAGE---i.e., its direct inputs along
678 with their propagated inputs, recursively."
679 (transitive-inputs (package-direct-inputs package)))
681 (define (package-transitive-target-inputs package)
682 "Return the transitive target inputs of PACKAGE---i.e., its direct inputs
683 along with their propagated inputs, recursively. This only includes inputs
684 for the target system, and not native inputs."
685 (transitive-inputs (append (package-inputs package)
686 (package-propagated-inputs package))))
688 (define (package-transitive-native-inputs package)
689 "Return the transitive native inputs of PACKAGE---i.e., its direct inputs
690 along with their propagated inputs, recursively. This only includes inputs
691 for the host system (\"native inputs\"), and not target inputs."
692 (transitive-inputs (package-native-inputs package)))
694 (define (package-transitive-propagated-inputs package)
695 "Return the propagated inputs of PACKAGE, and their propagated inputs,
697 (transitive-inputs (package-propagated-inputs package)))
699 (define (package-transitive-native-search-paths package)
700 "Return the list of search paths for PACKAGE and its propagated inputs,
702 (append (package-native-search-paths package)
703 (append-map (match-lambda
704 ((label (? package? p) _ ...)
705 (package-native-search-paths p))
708 (package-transitive-propagated-inputs package))))
710 (define (transitive-input-references alist inputs)
711 "Return a list of (assoc-ref ALIST <label>) for each (<label> <package> . _)
712 in INPUTS and their transitive propagated inputs."
719 `(assoc-ref ,alist ,(label input)))
720 (transitive-inputs inputs)))
722 (define package-transitive-supported-systems
724 "Return the intersection of the systems supported by PACKAGE and those
725 supported by its dependencies."
726 (fold (lambda (input systems)
728 ((label (? package? p) . _)
730 string=? systems (package-transitive-supported-systems p)))
733 (package-supported-systems package)
734 (bag-direct-inputs (package->bag package)))))
736 (define* (supported-package? package #:optional (system (%current-system)))
737 "Return true if PACKAGE is supported on SYSTEM--i.e., if PACKAGE and all its
738 dependencies are known to build on SYSTEM."
739 (member system (package-transitive-supported-systems package)))
741 (define (bag-direct-inputs bag)
742 "Same as 'package-direct-inputs', but applied to a bag."
743 (append (bag-build-inputs bag)
744 (bag-host-inputs bag)
745 (bag-target-inputs bag)))
747 (define (bag-transitive-inputs bag)
748 "Same as 'package-transitive-inputs', but applied to a bag."
749 (transitive-inputs (bag-direct-inputs bag)))
751 (define (bag-transitive-build-inputs bag)
752 "Same as 'package-transitive-native-inputs', but applied to a bag."
753 (transitive-inputs (bag-build-inputs bag)))
755 (define (bag-transitive-host-inputs bag)
756 "Same as 'package-transitive-target-inputs', but applied to a bag."
757 (transitive-inputs (bag-host-inputs bag)))
759 (define (bag-transitive-target-inputs bag)
760 "Return the \"target inputs\" of BAG, recursively."
761 (transitive-inputs (bag-target-inputs bag)))
763 (define* (package-mapping proc #:optional (cut? (const #f)))
764 "Return a procedure that, given a package, applies PROC to all the packages
765 depended on and returns the resulting package. The procedure stops recursion
766 when CUT? returns true for a given package."
767 (define (rewrite input)
769 ((label (? package? package) outputs ...)
770 (let ((proc (if (cut? package) proc replace)))
771 (cons* label (proc package) outputs)))
777 ;; Return a variant of P with PROC applied to P and its explicit
778 ;; dependencies, recursively. Memoize the transformations. Failing to
779 ;; do that, we would build a huge object graph with lots of duplicates,
780 ;; which in turns prevents us from benefiting from memoization in
781 ;; 'package-derivation'.
785 (location (package-location p))
786 (inputs (map rewrite (package-inputs p)))
787 (native-inputs (map rewrite (package-native-inputs p)))
788 (propagated-inputs (map rewrite (package-propagated-inputs p)))))))
792 (define* (package-input-rewriting replacements
793 #:optional (rewrite-name identity))
794 "Return a procedure that, when passed a package, replaces its direct and
795 indirect dependencies (but not its implicit inputs) according to REPLACEMENTS.
796 REPLACEMENTS is a list of package pairs; the first element of each pair is the
797 package to replace, and the second one is the replacement.
799 Optionally, REWRITE-NAME is a one-argument procedure that takes the name of a
800 package and returns its new name after rewrite."
802 (match (assq-ref replacements p)
805 (name (rewrite-name (package-name p)))))
808 (package-mapping rewrite (cut assq <> replacements)))
810 (define-syntax-rule (package/inherit p overrides ...)
811 "Like (package (inherit P) OVERRIDES ...), except that the same
812 transformation is done to the package replacement, if any. P must be a bare
813 identifier, and will be bound to either P or its replacement when evaluating
818 (replacement (and=> (package-replacement p) loop)))))
822 ;;; Package derivations.
825 (define %derivation-cache
826 ;; Package to derivation-path mapping.
827 (make-weak-key-hash-table 100))
829 (define (cache! cache package system thunk)
830 "Memoize in CACHE the return values of THUNK as the derivation of PACKAGE on
832 ;; FIXME: This memoization should be associated with the open store, because
833 ;; otherwise it breaks when switching to a different store.
834 (let ((vals (call-with-values thunk list)))
835 ;; Use `hashq-set!' instead of `hash-set!' because `hash' returns the
836 ;; same value for all structs (as of Guile 2.0.6), and because pointer
837 ;; equality is sufficient in practice.
838 (hashq-set! cache package
840 ,@(or (hashq-ref cache package) '())))
841 (apply values vals)))
843 (define-syntax cached
845 "Memoize the result of BODY for the arguments PACKAGE and SYSTEM.
846 Return the cached result when available."
847 ((_ (=> cache) package system body ...)
848 (let ((thunk (lambda () body ...))
850 (match (hashq-ref cache package)
852 (match (assoc-ref alist key)
856 (cache! cache package key thunk))))
858 (cache! cache package key thunk)))))
859 ((_ package system body ...)
860 (cached (=> %derivation-cache) package system body ...))))
862 (define* (expand-input store package input system #:optional cross-system)
863 "Expand INPUT, an input tuple, such that it contains only references to
864 derivation paths or store paths. PACKAGE is only used to provide contextual
865 information in exceptions."
866 (define (intern file)
867 ;; Add FILE to the store. Set the `recursive?' bit to #t, so that
868 ;; file permissions are preserved.
869 (add-to-store store (basename file) #t "sha256" file))
873 (cut package-cross-derivation store <> cross-system system
875 (cut package-derivation store <> system #:graft? #f)))
878 (((? string? name) (? package? package))
879 (list name (derivation package)))
880 (((? string? name) (? package? package)
882 (list name (derivation package)
885 (and (? string?) (? derivation-path?) drv))
888 (and (? string?) (? file-exists? file)))
889 ;; Add FILE to the store. When FILE is in the sub-directory of a
890 ;; store path, it needs to be added anyway, so it can be used as a
892 (list name (intern file)))
893 (((? string? name) (? struct? source))
894 ;; 'package-source-derivation' calls 'lower-object', which can throw
895 ;; '&gexp-input-error'. However '&gexp-input-error' lacks source
896 ;; location info, so we catch and rethrow here (XXX: not optimal
897 ;; performance-wise).
898 (guard (c ((gexp-input-error? c)
900 (&package-input-error
902 (input (gexp-error-invalid-input c)))))))
903 (list name (package-source-derivation store source system))))
905 (raise (condition (&package-input-error
910 ;; 'eq?' cache mapping packages to system+target+graft?-dependent bags.
911 ;; It significantly speeds things up when doing repeated calls to
912 ;; 'package->bag' as is the case when building a profile.
913 (make-weak-key-hash-table 200))
915 (define* (package->bag package #:optional
916 (system (%current-system))
917 (target (%current-target-system))
918 #:key (graft? (%graft?)))
919 "Compile PACKAGE into a bag for SYSTEM, possibly cross-compiled to TARGET,
921 (cached (=> %bag-cache)
922 package (list system target graft?)
923 ;; Bind %CURRENT-SYSTEM and %CURRENT-TARGET-SYSTEM so that thunked
924 ;; field values can refer to it.
925 (parameterize ((%current-system system)
926 (%current-target-system target))
928 (or (package-replacement package) package)
930 (($ <package> name version source build-system
931 args inputs propagated-inputs native-inputs
932 self-native-input? outputs)
933 (or (make-bag build-system (string-append name "-" version)
937 #:inputs (append (inputs)
940 #:native-inputs `(,@(if (and target
948 (&package-cross-build-system-error
952 (package package)))))))))))
955 ;; 'eq?' cache mapping package objects to a graft corresponding to their
956 ;; replacement package.
957 (make-weak-key-hash-table 200))
959 (define (input-graft store system)
960 "Return a procedure that, given a package with a graft, returns a graft, and
963 ((? package? package)
964 (let ((replacement (package-replacement package)))
966 (cached (=> %graft-cache) package system
967 (let ((orig (package-derivation store package system
969 (new (package-derivation store replacement system
973 (replacement new)))))))
977 (define (input-cross-graft store target system)
978 "Same as 'input-graft', but for cross-compilation inputs."
980 ((? package? package)
981 (let ((replacement (package-replacement package)))
983 (let ((orig (package-cross-derivation store package target system
985 (new (package-cross-derivation store replacement
990 (replacement new))))))
994 (define* (fold-bag-dependencies proc seed bag
996 "Fold PROC over the packages BAG depends on. Each package is visited only
997 once, in depth-first order. If NATIVE? is true, restrict to native
998 dependencies; otherwise, restrict to target dependencies."
999 (define bag-direct-inputs*
1002 (append (bag-build-inputs bag)
1003 (bag-target-inputs bag)
1004 (if (bag-target bag)
1006 (bag-host-inputs bag))))
1010 (match (bag-direct-inputs* bag)
1011 (((labels things _ ...) ...)
1014 (let loop ((nodes nodes)
1020 (((? package? head) . tail)
1021 (if (set-contains? visited head)
1022 (loop tail result visited)
1023 (let ((inputs (bag-direct-inputs* (package->bag head))))
1025 (((labels things _ ...) ...)
1026 (append things tail)))
1028 (set-insert head visited)))))
1030 (loop tail result visited)))))
1032 (define* (bag-grafts store bag)
1033 "Return the list of grafts potentially applicable to BAG. Potentially
1034 applicable grafts are collected by looking at direct or indirect dependencies
1035 of BAG that have a 'replacement'. Whether a graft is actually applicable
1036 depends on whether the outputs of BAG depend on the items the grafts refer
1037 to (see 'graft-derivation'.)"
1038 (define system (bag-system bag))
1039 (define target (bag-target bag))
1041 (define native-grafts
1042 (let ((->graft (input-graft store system)))
1043 (fold-bag-dependencies (lambda (package grafts)
1044 (match (->graft package)
1046 (graft (cons graft grafts))))
1050 (define target-grafts
1052 (let ((->graft (input-cross-graft store target system)))
1053 (fold-bag-dependencies (lambda (package grafts)
1054 (match (->graft package)
1056 (graft (cons graft grafts))))
1062 ;; We can end up with several identical grafts if we stumble upon packages
1063 ;; that are not 'eq?' but map to the same derivation (this can happen when
1064 ;; using things like 'package-with-explicit-inputs'.) Hence the
1065 ;; 'delete-duplicates' call.
1067 (append native-grafts target-grafts)))
1069 (define* (package-grafts store package
1070 #:optional (system (%current-system))
1072 "Return the list of grafts applicable to PACKAGE as built for SYSTEM and
1074 (let* ((package (or (package-replacement package) package))
1075 (bag (package->bag package system target)))
1076 (bag-grafts store bag)))
1078 (define* (bag->derivation store bag
1080 "Return the derivation to build BAG for SYSTEM. Optionally, CONTEXT can be
1081 a package object describing the context in which the call occurs, for improved
1083 (if (bag-target bag)
1084 (bag->cross-derivation store bag)
1085 (let* ((system (bag-system bag))
1086 (inputs (bag-transitive-inputs bag))
1087 (input-drvs (map (cut expand-input store context <> system)
1089 (paths (delete-duplicates
1090 (append-map (match-lambda
1091 ((_ (? package? p) _ ...)
1092 (package-native-search-paths
1097 (apply (bag-build bag)
1098 store (bag-name bag) input-drvs
1099 #:search-paths paths
1100 #:outputs (bag-outputs bag) #:system system
1101 (bag-arguments bag)))))
1103 (define* (bag->cross-derivation store bag
1105 "Return the derivation to build BAG, which is actually a cross build.
1106 Optionally, CONTEXT can be a package object denoting the context of the call.
1107 This is an internal procedure."
1108 (let* ((system (bag-system bag))
1109 (target (bag-target bag))
1110 (host (bag-transitive-host-inputs bag))
1111 (host-drvs (map (cut expand-input store context <> system target)
1113 (target* (bag-transitive-target-inputs bag))
1114 (target-drvs (map (cut expand-input store context <> system)
1116 (build (bag-transitive-build-inputs bag))
1117 (build-drvs (map (cut expand-input store context <> system)
1119 (all (append build target* host))
1120 (paths (delete-duplicates
1121 (append-map (match-lambda
1122 ((_ (? package? p) _ ...)
1123 (package-search-paths p))
1126 (npaths (delete-duplicates
1127 (append-map (match-lambda
1128 ((_ (? package? p) _ ...)
1129 (package-native-search-paths
1134 (apply (bag-build bag)
1135 store (bag-name bag)
1136 #:native-drvs build-drvs
1137 #:target-drvs (append host-drvs target-drvs)
1138 #:search-paths paths
1139 #:native-search-paths npaths
1140 #:outputs (bag-outputs bag)
1141 #:system system #:target target
1142 (bag-arguments bag))))
1144 (define* (package-derivation store package
1145 #:optional (system (%current-system))
1146 #:key (graft? (%graft?)))
1147 "Return the <derivation> object of PACKAGE for SYSTEM."
1149 ;; Compute the derivation and cache the result. Caching is important
1150 ;; because some derivations, such as the implicit inputs of the GNU build
1151 ;; system, will be queried many, many times in a row.
1152 (cached package (cons system graft?)
1153 (let* ((bag (package->bag package system #f #:graft? graft?))
1154 (drv (bag->derivation store bag package)))
1156 (match (bag-grafts store bag)
1160 (let ((guile (package-derivation store (guile-2.0)
1161 system #:graft? #f)))
1162 ;; TODO: As an optimization, we can simply graft the tip
1163 ;; of the derivation graph since 'graft-derivation'
1165 (graft-derivation store drv grafts
1170 (define* (package-cross-derivation store package target
1171 #:optional (system (%current-system))
1172 #:key (graft? (%graft?)))
1173 "Cross-build PACKAGE for TARGET (a GNU triplet) from host SYSTEM (a Guix
1174 system identifying string)."
1175 (cached package (list system target graft?)
1176 (let* ((bag (package->bag package system target #:graft? graft?))
1177 (drv (bag->derivation store bag package)))
1179 (match (bag-grafts store bag)
1183 (graft-derivation store drv grafts
1186 (package-derivation store (guile-2.0)
1187 system #:graft? #f))))
1190 (define* (package-output store package
1191 #:optional (output "out") (system (%current-system)))
1192 "Return the output path of PACKAGE's OUTPUT for SYSTEM---where OUTPUT is the
1193 symbolic output name, such as \"out\". Note that this procedure calls
1194 `package-derivation', which is costly."
1195 (let ((drv (package-derivation store package system)))
1196 (derivation->output-path drv output)))
1200 ;;; Monadic interface.
1203 (define (set-guile-for-build guile)
1204 "This monadic procedure changes the Guile currently used to run the build
1205 code of derivations to GUILE, a package object."
1207 (let ((guile (package-derivation store guile)))
1208 (values (%guile-for-build guile) store))))
1210 (define* (package-file package
1213 system (output "out") target)
1214 "Return as a monadic value the absolute file name of FILE within the
1215 OUTPUT directory of PACKAGE. When FILE is omitted, return the name of the
1216 OUTPUT directory of PACKAGE. When TARGET is true, use it as a
1217 cross-compilation target triplet."
1219 (define compute-derivation
1221 (cut package-cross-derivation <> <> target <>)
1222 package-derivation))
1224 (let* ((system (or system (%current-system)))
1225 (drv (compute-derivation store package system))
1226 (out (derivation->output-path drv output)))
1228 (string-append out "/" file)
1232 (define package->derivation
1233 (store-lift package-derivation))
1235 (define package->cross-derivation
1236 (store-lift package-cross-derivation))
1238 (define-gexp-compiler (package-compiler (package <package>) system target)
1239 ;; Compile PACKAGE to a derivation for SYSTEM, optionally cross-compiled for
1240 ;; TARGET. This is used when referring to a package from within a gexp.
1242 (package->cross-derivation package target system)
1243 (package->derivation package system)))
1245 (define* (origin->derivation origin
1246 #:optional (system (%current-system)))
1247 "Return the derivation corresponding to ORIGIN."
1249 (($ <origin> uri method sha256 name (= force ()) #f)
1250 ;; No patches, no snippet: this is a fixed-output derivation.
1251 (method uri 'sha256 sha256 name #:system system))
1252 (($ <origin> uri method sha256 name (= force (patches ...)) snippet
1253 (flags ...) inputs (modules ...) guile-for-build)
1254 ;; Patches and/or a snippet.
1255 (mlet %store-monad ((source (method uri 'sha256 sha256 name
1257 (guile (package->derivation (or guile-for-build
1261 (patch-and-repack source patches
1267 #:guile-for-build guile)))))
1269 (define-gexp-compiler (origin-compiler (origin <origin>) system target)
1270 ;; Compile ORIGIN to a derivation for SYSTEM. This is used when referring
1271 ;; to an origin from within a gexp.
1272 (origin->derivation origin system))
1274 (define package-source-derivation ;somewhat deprecated
1275 (let ((lower (store-lower lower-object)))
1276 (lambda* (store source #:optional (system (%current-system)))
1277 "Return the derivation or file corresponding to SOURCE, which can be an
1278 a file name or any object handled by 'lower-object', such as an <origin>.
1279 When SOURCE is a file name, return either the interned file name (if SOURCE is
1280 outside of the store) or SOURCE itself (if SOURCE is already a store item.)"
1282 ((and (? string?) (? direct-store-path?) file)
1285 (add-to-store store (basename file) #t "sha256" file))
1287 (lower store source system))))))