guix-devel/guix/scripts/build.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix scripts build)
#:use-module (guix ui)
#:use-module (guix scripts)
#:use-module (guix store)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (guix monads)
#:use-module (guix gexp)
#:autoload (guix http-client) (http-fetch http-get-error?)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 vlist)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-37)
#:autoload (gnu packages) (specification->package %package-module-path)
#:autoload (guix download) (download-to-store)
#:export (%standard-build-options
set-build-options-from-command-line
set-build-options-from-command-line*
show-build-options-help
guix-build))
(define %default-log-urls
;; Default base URLs for build logs.
'("http://hydra.gnu.org/log"))
;; XXX: The following procedure cannot be in (guix store) because of the
;; dependency on (guix derivations).
(define* (log-url store file #:key (base-urls %default-log-urls))
"Return a URL under one of the BASE-URLS where a build log for FILE can be
found. Return #f if no build log was found."
(define (valid-url? url)
;; Probe URL and return #t if it is accessible.
(guard (c ((http-get-error? c) #f))
(close-port (http-fetch url #:buffered? #f))
#t))
(define (find-url file)
(let ((base (basename file)))
(any (lambda (base-url)
(let ((url (string-append base-url "/" base)))
(and (valid-url? url) url)))
base-urls)))
(cond ((derivation-path? file)
(catch 'system-error
(lambda ()
;; Usually we'll have more luck with the output file name since
;; the deriver that was used by the server could be different, so
;; try one of the output file names.
(let ((drv (call-with-input-file file read-derivation)))
(or (find-url (derivation->output-path drv))
(find-url file))))
(lambda args
;; As a last resort, try the .drv.
(if (= ENOENT (system-error-errno args))
(find-url file)
(apply throw args)))))
(else
(find-url file))))
(define (register-root store paths root)
"Register ROOT as an indirect GC root for all of PATHS."
(let* ((root (string-append (canonicalize-path (dirname root))
"/" root)))
(catch 'system-error
(lambda ()
(match paths
((path)
(symlink path root)
(add-indirect-root store root))
((paths ...)
(fold (lambda (path count)
(let ((root (string-append root
"-"
(number->string count))))
(symlink path root)
(add-indirect-root store root))
(+ 1 count))
0
paths))))
(lambda args
(leave (_ "failed to create GC root `~a': ~a~%")
root (strerror (system-error-errno args)))))))
(define (package-with-source store p uri)
"Return a package based on P but with its source taken from URI. Extract
the new package's version number from URI."
(define (numeric-extension? file-name)
;; Return true if FILE-NAME ends with digits.
(string-every char-set:hex-digit (file-extension file-name)))
(define (tarball-base-name file-name)
;; Return the "base" of FILE-NAME, removing '.tar.gz' or similar
;; extensions.
;; TODO: Factorize.
(cond ((not (file-extension file-name))
file-name)
((numeric-extension? file-name)
file-name)
((string=? (file-extension file-name) "tar")
(file-sans-extension file-name))
((file-extension file-name)
(tarball-base-name (file-sans-extension file-name)))
(else
file-name)))
(let ((base (tarball-base-name (basename uri))))
(let-values (((name version)
(package-name->name+version base)))
(package (inherit p)
(version (or version (package-version p)))
;; Use #:recursive? #t to allow for directories.
(source (download-to-store store uri
#:recursive? #t))))))
;;;
;;; Standard command-line build options.
;;;
(define (show-build-options-help)
"Display on the current output port help about the standard command-line
options handled by 'set-build-options-from-command-line', and listed in
'%standard-build-options'."
(display (_ "
-L, --load-path=DIR prepend DIR to the package module search path"))
(display (_ "
-K, --keep-failed keep build tree of failed builds"))
(display (_ "
-k, --keep-going keep going when some of the derivations fail"))
(display (_ "
-n, --dry-run do not build the derivations"))
(display (_ "
--fallback fall back to building when the substituter fails"))
(display (_ "
--no-substitutes build instead of resorting to pre-built substitutes"))
(display (_ "
--substitute-urls=URLS
fetch substitute from URLS if they are authorized"))
(display (_ "
--no-build-hook do not attempt to offload builds via the build hook"))
(display (_ "
--max-silent-time=SECONDS
mark the build as failed after SECONDS of silence"))
(display (_ "
--timeout=SECONDS mark the build as failed after SECONDS of activity"))
(display (_ "
--verbosity=LEVEL use the given verbosity LEVEL"))
(display (_ "
--rounds=N build N times in a row to detect non-determinism"))
(display (_ "
-c, --cores=N allow the use of up to N CPU cores for the build"))
(display (_ "
-M, --max-jobs=N allow at most N build jobs")))
(define (set-build-options-from-command-line store opts)
"Given OPTS, an alist as returned by 'args-fold' given
'%standard-build-options', set the corresponding build options on STORE."
;; TODO: Add more options.
(set-build-options store
#:keep-failed? (assoc-ref opts 'keep-failed?)
#:keep-going? (assoc-ref opts 'keep-going?)
#:rounds (assoc-ref opts 'rounds)
#:build-cores (or (assoc-ref opts 'cores) 0)
#:max-build-jobs (or (assoc-ref opts 'max-jobs) 1)
#:fallback? (assoc-ref opts 'fallback?)
#:use-substitutes? (assoc-ref opts 'substitutes?)
#:substitute-urls (assoc-ref opts 'substitute-urls)
#:use-build-hook? (assoc-ref opts 'build-hook?)
#:max-silent-time (assoc-ref opts 'max-silent-time)
#:timeout (assoc-ref opts 'timeout)
#:print-build-trace (assoc-ref opts 'print-build-trace?)
#:verbosity (assoc-ref opts 'verbosity)))
(define set-build-options-from-command-line*
(store-lift set-build-options-from-command-line))
(define %standard-build-options
;; List of standard command-line options for tools that build something.
(list (option '(#\L "load-path") #t #f
(lambda (opt name arg result . rest)
;; XXX: Imperatively modify the search paths.
(%package-module-path (cons arg (%package-module-path)))
(%patch-path (cons arg (%patch-path)))
(set! %load-path (cons arg %load-path))
(set! %load-compiled-path (cons arg %load-compiled-path))
(apply values (cons result rest))))
(option '(#\K "keep-failed") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'keep-failed? #t result)
rest)))
(option '(#\k "keep-going") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'keep-going? #t result)
rest)))
(option '("rounds") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'rounds (string->number* arg)
result)
rest)))
(option '("fallback") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'fallback? #t
(alist-delete 'fallback? result))
rest)))
(option '("no-substitutes") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'substitutes? #f
(alist-delete 'substitutes? result))
rest)))
(option '("substitute-urls") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'substitute-urls
(string-tokenize arg)
(alist-delete 'substitute-urls result))
rest)))
(option '("no-build-hook") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'build-hook? #f
(alist-delete 'build-hook? result))
rest)))
(option '("max-silent-time") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'max-silent-time (string->number* arg)
result)
rest)))
(option '("timeout") #t #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'timeout (string->number* arg) result)
rest)))
(option '("verbosity") #t #f
(lambda (opt name arg result . rest)
(let ((level (string->number arg)))
(apply values
(alist-cons 'verbosity level
(alist-delete 'verbosity result))
rest))))
(option '(#\c "cores") #t #f
(lambda (opt name arg result . rest)
(let ((c (false-if-exception (string->number arg))))
(if c
(apply values (alist-cons 'cores c result) rest)
(leave (_ "not a number: '~a' option argument: ~a~%")
name arg)))))
(option '(#\M "max-jobs") #t #f
(lambda (opt name arg result . rest)
(let ((c (false-if-exception (string->number arg))))
(if c
(apply values (alist-cons 'max-jobs c result) rest)
(leave (_ "not a number: '~a' option argument: ~a~%")
name arg)))))))
;;;
;;; Command-line options.
;;;
(define %default-options
;; Alist of default option values.
`((system . ,(%current-system))
(build-mode . ,(build-mode normal))
packages: Implement grafts. Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions and suggestions. * guix/packages.scm (<package>)[graft]: New field. (patch-and-repack): Invoke 'package-derivation' with #:graft? #f. (package-source-derivation): Likewise. Do not use (%guile-for-build) in call to 'patch-and-repack', and we could end up using a grafted Guile. (expand-input): Likewise, also for 'package-cross-derivation' call. (package->bag): Add #:graft? parameter. Honor it. Use 'strip-append' instead of 'package-full-name'. (input-graft, input-cross-graft, bag-grafts, package-grafts): New procedures. (package-derivation, package-cross-derivation): Add #:graft? parameter and honor it. * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add recursive call on 'graft'. * guix/build-system/gnu.scm (package-with-explicit-inputs, package-with-extra-configure-variable, static-package): Likewise. (gnu-build): Use the ungrafted Guile to avoid full rebuilds. (gnu-cross-build): Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/ruby.scm (ruby-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * tests/packages.scm ("package-derivation, direct graft", "package-cross-derivation, direct graft", "package-grafts, indirect grafts", "package-grafts, indirect grafts, cross", "package-grafts, indirect grafts, propagated inputs", "package-derivation, indirect grafts"): New tests. ("bag->derivation", "bag->derivation, cross-compilation"): Wrap in 'parameterize'. * doc/guix.texi (Security Updates): New node. (Invoking guix build): Document --no-graft.
2014-10-27 18:09:00 +01:00
(graft? . #t)
(substitutes? . #t)
(build-hook? . #t)
(print-build-trace? . #t)
(max-silent-time . 3600)
(verbosity . 0)))
(define (show-help)
(display (_ "Usage: guix build [OPTION]... PACKAGE-OR-DERIVATION...
Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
(display (_ "
-e, --expression=EXPR build the package or derivation EXPR evaluates to"))
(display (_ "
-f, --file=FILE build the package or derivation that the code within
FILE evaluates to"))
(display (_ "
-S, --source build the packages' source derivations"))
(display (_ "
--sources[=TYPE] build source derivations; TYPE may optionally be one
of \"package\", \"all\" (default), or \"transitive\""))
(display (_ "
-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
(display (_ "
--target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\""))
(display (_ "
--with-source=SOURCE
use SOURCE when building the corresponding package"))
packages: Implement grafts. Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions and suggestions. * guix/packages.scm (<package>)[graft]: New field. (patch-and-repack): Invoke 'package-derivation' with #:graft? #f. (package-source-derivation): Likewise. Do not use (%guile-for-build) in call to 'patch-and-repack', and we could end up using a grafted Guile. (expand-input): Likewise, also for 'package-cross-derivation' call. (package->bag): Add #:graft? parameter. Honor it. Use 'strip-append' instead of 'package-full-name'. (input-graft, input-cross-graft, bag-grafts, package-grafts): New procedures. (package-derivation, package-cross-derivation): Add #:graft? parameter and honor it. * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add recursive call on 'graft'. * guix/build-system/gnu.scm (package-with-explicit-inputs, package-with-extra-configure-variable, static-package): Likewise. (gnu-build): Use the ungrafted Guile to avoid full rebuilds. (gnu-cross-build): Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/ruby.scm (ruby-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * tests/packages.scm ("package-derivation, direct graft", "package-cross-derivation, direct graft", "package-grafts, indirect grafts", "package-grafts, indirect grafts, cross", "package-grafts, indirect grafts, propagated inputs", "package-derivation, indirect grafts"): New tests. ("bag->derivation", "bag->derivation, cross-compilation"): Wrap in 'parameterize'. * doc/guix.texi (Security Updates): New node. (Invoking guix build): Document --no-graft.
2014-10-27 18:09:00 +01:00
(display (_ "
--no-grafts do not graft packages"))
(display (_ "
-d, --derivations return the derivation paths of the given packages"))
(display (_ "
--check rebuild items to check for non-determinism issues"))
(display (_ "
-r, --root=FILE make FILE a symlink to the result, and register it
as a garbage collector root"))
(display (_ "
--log-file return the log file names for the given derivations"))
(newline)
(show-build-options-help)
(newline)
(display (_ "
-h, --help display this help and exit"))
(display (_ "
-V, --version display version information and exit"))
(newline)
(show-bug-report-information))
(define %options
;; Specifications of the command-line options.
(cons* (option '(#\h "help") #f #f
(lambda args
(show-help)
(exit 0)))
(option '(#\V "version") #f #f
(lambda args
(show-version-and-exit "guix build")))
(option '(#\S "source") #f #f
(lambda (opt name arg result)
(alist-cons 'source #t result)))
(option '("sources") #f #t
(lambda (opt name arg result)
(match arg
("package"
(alist-cons 'source #t result))
((or "all" #f)
(alist-cons 'source package-direct-sources result))
("transitive"
(alist-cons 'source package-transitive-sources result))
(else
(leave (_ "invalid argument: '~a' option argument: ~a, ~
must be one of 'package', 'all', or 'transitive'~%")
name arg)))))
(option '("check") #f #f
(lambda (opt name arg result . rest)
(apply values
(alist-cons 'build-mode (build-mode check)
result)
rest)))
(option '(#\s "system") #t #f
(lambda (opt name arg result)
(alist-cons 'system arg
(alist-delete 'system result eq?))))
(option '("target") #t #f
(lambda (opt name arg result)
(alist-cons 'target arg
(alist-delete 'target result eq?))))
(option '(#\d "derivations") #f #f
(lambda (opt name arg result)
(alist-cons 'derivations-only? #t result)))
(option '(#\e "expression") #t #f
(lambda (opt name arg result)
(alist-cons 'expression arg result)))
(option '(#\f "file") #t #f
(lambda (opt name arg result)
(alist-cons 'file arg result)))
(option '(#\n "dry-run") #f #f
(lambda (opt name arg result)
(alist-cons 'dry-run? #t result)))
(option '(#\r "root") #t #f
(lambda (opt name arg result)
(alist-cons 'gc-root arg result)))
(option '("log-file") #f #f
(lambda (opt name arg result)
(alist-cons 'log-file? #t result)))
(option '("with-source") #t #f
(lambda (opt name arg result)
(alist-cons 'with-source arg result)))
packages: Implement grafts. Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions and suggestions. * guix/packages.scm (<package>)[graft]: New field. (patch-and-repack): Invoke 'package-derivation' with #:graft? #f. (package-source-derivation): Likewise. Do not use (%guile-for-build) in call to 'patch-and-repack', and we could end up using a grafted Guile. (expand-input): Likewise, also for 'package-cross-derivation' call. (package->bag): Add #:graft? parameter. Honor it. Use 'strip-append' instead of 'package-full-name'. (input-graft, input-cross-graft, bag-grafts, package-grafts): New procedures. (package-derivation, package-cross-derivation): Add #:graft? parameter and honor it. * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add recursive call on 'graft'. * guix/build-system/gnu.scm (package-with-explicit-inputs, package-with-extra-configure-variable, static-package): Likewise. (gnu-build): Use the ungrafted Guile to avoid full rebuilds. (gnu-cross-build): Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/ruby.scm (ruby-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * tests/packages.scm ("package-derivation, direct graft", "package-cross-derivation, direct graft", "package-grafts, indirect grafts", "package-grafts, indirect grafts, cross", "package-grafts, indirect grafts, propagated inputs", "package-derivation, indirect grafts"): New tests. ("bag->derivation", "bag->derivation, cross-compilation"): Wrap in 'parameterize'. * doc/guix.texi (Security Updates): New node. (Invoking guix build): Document --no-graft.
2014-10-27 18:09:00 +01:00
(option '("no-grafts") #f #f
(lambda (opt name arg result)
(alist-cons 'graft? #f
(alist-delete 'graft? result eq?))))
%standard-build-options))
(define (options->things-to-build opts)
"Read the arguments from OPTS and return a list of high-level objects to
build---packages, gexps, derivations, and so on."
(define (validate-type x)
(unless (or (package? x) (derivation? x) (gexp? x) (procedure? x))
(leave (_ "~s: not something we can build~%") x)))
(define (ensure-list x)
(let ((lst (match x
((x ...) x)
(x (list x)))))
(for-each validate-type lst)
lst))
(append-map (match-lambda
(('argument . (? string? spec))
(cond ((derivation-path? spec)
(list (call-with-input-file spec read-derivation)))
((store-path? spec)
;; Nothing to do; maybe for --log-file.
'())
(else
(list (specification->package spec)))))
(('file . file)
(ensure-list (load* file (make-user-module '()))))
(('expression . str)
(ensure-list (read/eval str)))
(('argument . (? derivation? drv))
drv)
(_ '()))
opts))
(define (options->derivations store opts)
"Given OPTS, the result of 'args-fold', return a list of derivations to
build."
(define transform
(options->transformation opts))
(define package->derivation
(match (assoc-ref opts 'target)
(#f package-derivation)
(triplet
(cut package-cross-derivation <> <> triplet <>))))
(define src (assoc-ref opts 'source))
(define system (assoc-ref opts 'system))
packages: Implement grafts. Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions and suggestions. * guix/packages.scm (<package>)[graft]: New field. (patch-and-repack): Invoke 'package-derivation' with #:graft? #f. (package-source-derivation): Likewise. Do not use (%guile-for-build) in call to 'patch-and-repack', and we could end up using a grafted Guile. (expand-input): Likewise, also for 'package-cross-derivation' call. (package->bag): Add #:graft? parameter. Honor it. Use 'strip-append' instead of 'package-full-name'. (input-graft, input-cross-graft, bag-grafts, package-grafts): New procedures. (package-derivation, package-cross-derivation): Add #:graft? parameter and honor it. * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add recursive call on 'graft'. * guix/build-system/gnu.scm (package-with-explicit-inputs, package-with-extra-configure-variable, static-package): Likewise. (gnu-build): Use the ungrafted Guile to avoid full rebuilds. (gnu-cross-build): Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/ruby.scm (ruby-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * tests/packages.scm ("package-derivation, direct graft", "package-cross-derivation, direct graft", "package-grafts, indirect grafts", "package-grafts, indirect grafts, cross", "package-grafts, indirect grafts, propagated inputs", "package-derivation, indirect grafts"): New tests. ("bag->derivation", "bag->derivation, cross-compilation"): Wrap in 'parameterize'. * doc/guix.texi (Security Updates): New node. (Invoking guix build): Document --no-graft.
2014-10-27 18:09:00 +01:00
(define graft? (assoc-ref opts 'graft?))
packages: Implement grafts. Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions and suggestions. * guix/packages.scm (<package>)[graft]: New field. (patch-and-repack): Invoke 'package-derivation' with #:graft? #f. (package-source-derivation): Likewise. Do not use (%guile-for-build) in call to 'patch-and-repack', and we could end up using a grafted Guile. (expand-input): Likewise, also for 'package-cross-derivation' call. (package->bag): Add #:graft? parameter. Honor it. Use 'strip-append' instead of 'package-full-name'. (input-graft, input-cross-graft, bag-grafts, package-grafts): New procedures. (package-derivation, package-cross-derivation): Add #:graft? parameter and honor it. * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add recursive call on 'graft'. * guix/build-system/gnu.scm (package-with-explicit-inputs, package-with-extra-configure-variable, static-package): Likewise. (gnu-build): Use the ungrafted Guile to avoid full rebuilds. (gnu-cross-build): Likewise. * guix/build-system/cmake.scm (cmake-build): Likewise. * guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise. * guix/build-system/perl.scm (perl-build): Likewise. * guix/build-system/python.scm (python-build): Likewise. * guix/build-system/ruby.scm (ruby-build): Likewise. * guix/build-system/trivial.scm (guile-for-build): Likewise. * tests/packages.scm ("package-derivation, direct graft", "package-cross-derivation, direct graft", "package-grafts, indirect grafts", "package-grafts, indirect grafts, cross", "package-grafts, indirect grafts, propagated inputs", "package-derivation, indirect grafts"): New tests. ("bag->derivation", "bag->derivation, cross-compilation"): Wrap in 'parameterize'. * doc/guix.texi (Security Updates): New node. (Invoking guix build): Document --no-graft.
2014-10-27 18:09:00 +01:00
(parameterize ((%graft? graft?))
(append-map (match-lambda
((? package? p)
(match src
(#f
(list (package->derivation store p system)))
(#t
(let ((s (package-source p)))
(list (package-source-derivation store s))))
(proc
(map (cut package-source-derivation store <>)
(proc p)))))
((? derivation? drv)
(list drv))
((? procedure? proc)
(list (run-with-store store
(mbegin %store-monad
(set-guile-for-build (default-guile))
(proc))
#:system system)))
((? gexp? gexp)
(list (run-with-store store
(mbegin %store-monad
(set-guile-for-build (default-guile))
(gexp->derivation "gexp" gexp
#:system system))))))
(transform store (options->things-to-build opts)))))
(define (transform-package-source sources)
"Return a transformation procedure that uses replaces package sources with
the matching URIs given in SOURCES."
(define new-sources
(map (lambda (uri)
(cons (package-name->name+version (basename uri))
uri))
sources))
(lambda (store packages)
(let loop ((packages packages)
(sources new-sources)
(result '()))
(match packages
(()
(unless (null? sources)
(warning (_ "sources do not match any package:~{ ~a~}~%")
(match sources
(((name . uri) ...)
uri))))
(reverse result))
(((? package? p) tail ...)
(let ((source (assoc-ref sources (package-name p))))
(loop tail
(alist-delete (package-name p) sources)
(cons (if source
(package-with-source store p source)
p)
result))))
((thing tail ...)
(loop tail sources result))))))
(define %transformations
;; Transformations that can be applied to things to build. The car is the
;; key used in the option alist, and the cdr is the transformation
;; procedure; it is called with two arguments: the store, and a list of
;; things to build.
`((with-source . ,transform-package-source)))
(define (options->transformation opts)
"Return a procedure that, when passed a list of things to build (packages,
derivations, etc.), applies the transformations specified by OPTS."
(apply compose
(map (match-lambda
((key . transform)
(let ((args (filter-map (match-lambda
((k . arg)
(and (eq? k key) arg)))
opts)))
(if (null? args)
(lambda (store things) things)
(transform args)))))
%transformations)))
(define (show-build-log store file urls)
"Show the build log for FILE, falling back to remote logs from URLS if
needed."
(let ((log (or (log-file store file)
(log-url store file #:base-urls urls))))
(if log
(format #t "~a~%" log)
(leave (_ "no build log for '~a'~%") file))))
;;;
;;; Entry point.
;;;
(define (guix-build . args)
(with-error-handling
;; Ask for absolute file names so that .drv file names passed from the
;; user to 'read-derivation' are absolute when it returns.
(with-fluids ((%file-port-name-canonicalization 'absolute))
(let* ((opts (parse-command-line args %options
(list %default-options)))
(store (open-connection))
(mode (assoc-ref opts 'build-mode))
(drv (options->derivations store opts))
(urls (map (cut string-append <> "/log")
(if (assoc-ref opts 'substitutes?)
(or (assoc-ref opts 'substitute-urls)
;; XXX: This does not necessarily match the
;; daemon's substitute URLs.
%default-substitute-urls)
'())))
(items (filter-map (match-lambda
(('argument . (? store-path? file))
file)
(_ #f))
opts))
(roots (filter-map (match-lambda
(('gc-root . root) root)
(_ #f))
opts)))
(set-build-options-from-command-line store opts)
(unless (assoc-ref opts 'log-file?)
(show-what-to-build store drv
#:use-substitutes? (assoc-ref opts 'substitutes?)
#:dry-run? (assoc-ref opts 'dry-run?)
#:mode mode))
(cond ((assoc-ref opts 'log-file?)
(for-each (cut show-build-log store <> urls)
(delete-duplicates
(append (map derivation-file-name drv)
items))))
((assoc-ref opts 'derivations-only?)
(format #t "~{~a~%~}" (map derivation-file-name drv))
(for-each (cut register-root store <> <>)
(map (compose list derivation-file-name) drv)
roots))
((not (assoc-ref opts 'dry-run?))
(and (build-derivations store drv mode)
(for-each show-derivation-outputs drv)
(for-each (cut register-root store <> <>)
(map (lambda (drv)
(map cdr
(derivation->output-paths drv)))
drv)
roots))))))))