7adf9b8469
* guix/derivations.scm (<graft>, graft-derivation, %graft?)
(set-grafting): Move to...
* guix/grafts.scm: ... here. New file.
* guix/gexp.scm, guix/packages.scm, tests/packages.scm,
guix/scripts/build.scm: Use it.
* Makefile.am (MODULES): Add it.
(SCM_TESTS): Add tests/grafts.scm.
* tests/derivations.scm ("graft-derivation"): Move to...
* tests/grafts.scm: ... here. New file.
686 lines
27 KiB
Scheme
686 lines
27 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Mark H Weaver <mhw@netris.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix scripts build)
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#:use-module (guix ui)
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#:use-module (guix scripts)
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#:use-module (guix store)
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#:use-module (guix derivations)
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#:use-module (guix packages)
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#:use-module (guix grafts)
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#:use-module (guix utils)
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#:use-module (guix monads)
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#:use-module (guix gexp)
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#:autoload (guix http-client) (http-fetch http-get-error?)
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#:use-module (ice-9 format)
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#:use-module (ice-9 match)
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#:use-module (ice-9 vlist)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-11)
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#:use-module (srfi srfi-26)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-37)
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#:autoload (gnu packages) (specification->package %package-module-path)
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#:autoload (guix download) (download-to-store)
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#:export (%standard-build-options
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set-build-options-from-command-line
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set-build-options-from-command-line*
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show-build-options-help
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%transformation-options
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options->transformation
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show-transformation-options-help
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guix-build))
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(define %default-log-urls
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;; Default base URLs for build logs.
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'("http://hydra.gnu.org/log"))
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;; XXX: The following procedure cannot be in (guix store) because of the
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;; dependency on (guix derivations).
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(define* (log-url store file #:key (base-urls %default-log-urls))
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"Return a URL under one of the BASE-URLS where a build log for FILE can be
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found. Return #f if no build log was found."
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(define (valid-url? url)
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;; Probe URL and return #t if it is accessible.
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(guard (c ((http-get-error? c) #f))
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(close-port (http-fetch url #:buffered? #f))
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#t))
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(define (find-url file)
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(let ((base (basename file)))
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(any (lambda (base-url)
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(let ((url (string-append base-url "/" base)))
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(and (valid-url? url) url)))
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base-urls)))
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(cond ((derivation-path? file)
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(catch 'system-error
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(lambda ()
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;; Usually we'll have more luck with the output file name since
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;; the deriver that was used by the server could be different, so
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;; try one of the output file names.
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(let ((drv (call-with-input-file file read-derivation)))
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(or (find-url (derivation->output-path drv))
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(find-url file))))
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(lambda args
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;; As a last resort, try the .drv.
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(if (= ENOENT (system-error-errno args))
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(find-url file)
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(apply throw args)))))
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(else
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(find-url file))))
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(define (register-root store paths root)
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"Register ROOT as an indirect GC root for all of PATHS."
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(let* ((root (string-append (canonicalize-path (dirname root))
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"/" root)))
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(catch 'system-error
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(lambda ()
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(match paths
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((path)
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(symlink path root)
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(add-indirect-root store root))
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((paths ...)
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(fold (lambda (path count)
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(let ((root (string-append root
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"-"
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(number->string count))))
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(symlink path root)
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(add-indirect-root store root))
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(+ 1 count))
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0
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paths))))
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(lambda args
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(leave (_ "failed to create GC root `~a': ~a~%")
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root (strerror (system-error-errno args)))))))
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(define (package-with-source store p uri)
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"Return a package based on P but with its source taken from URI. Extract
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the new package's version number from URI."
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(define (numeric-extension? file-name)
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;; Return true if FILE-NAME ends with digits.
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(string-every char-set:hex-digit (file-extension file-name)))
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(define (tarball-base-name file-name)
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;; Return the "base" of FILE-NAME, removing '.tar.gz' or similar
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;; extensions.
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;; TODO: Factorize.
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(cond ((not (file-extension file-name))
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file-name)
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((numeric-extension? file-name)
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file-name)
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((string=? (file-extension file-name) "tar")
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(file-sans-extension file-name))
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((file-extension file-name)
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(tarball-base-name (file-sans-extension file-name)))
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(else
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file-name)))
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(let ((base (tarball-base-name (basename uri))))
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(let-values (((name version)
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(package-name->name+version base)))
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(package (inherit p)
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(version (or version (package-version p)))
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;; Use #:recursive? #t to allow for directories.
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(source (download-to-store store uri
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#:recursive? #t))))))
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;;;
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;;; Transformations.
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;;;
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(define (transform-package-source sources)
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"Return a transformation procedure that replaces package sources with the
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matching URIs given in SOURCES."
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(define new-sources
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(map (lambda (uri)
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(cons (package-name->name+version (basename uri))
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uri))
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sources))
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(lambda (store obj)
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(let loop ((sources new-sources)
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(result '()))
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(match obj
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((? package? p)
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(let ((source (assoc-ref sources (package-name p))))
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(if source
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(package-with-source store p source)
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p)))
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(_
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obj)))))
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(define (transform-package-inputs replacement-specs)
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"Return a procedure that, when passed a package, replaces its direct
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dependencies according to REPLACEMENT-SPECS. REPLACEMENT-SPECS is a list of
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strings like \"guile=guile@2.1\" meaning that, any direct dependency on a
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package called \"guile\" must be replaced with a dependency on a version 2.1
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of \"guile\"."
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(define not-equal
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(char-set-complement (char-set #\=)))
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(define replacements
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;; List of name/package pairs.
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(map (lambda (spec)
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(match (string-tokenize spec not-equal)
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((old new)
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(cons old (specification->package new)))
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(_
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(leave (_ "invalid replacement specification: ~s~%") spec))))
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replacement-specs))
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(define (rewrite input)
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(match input
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((label (? package? package) outputs ...)
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(match (assoc-ref replacements (package-name package))
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(#f (cons* label (replace package) outputs))
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(new (cons* label new outputs))))
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(_
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input)))
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(define replace
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(memoize ;XXX: use eq?
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(lambda (p)
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(package
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(inherit p)
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(inputs (map rewrite (package-inputs p)))
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(native-inputs (map rewrite (package-native-inputs p)))
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(propagated-inputs (map rewrite (package-propagated-inputs p)))))))
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(lambda (store obj)
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(if (package? obj)
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(replace obj)
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obj)))
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(define %transformations
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;; Transformations that can be applied to things to build. The car is the
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;; key used in the option alist, and the cdr is the transformation
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;; procedure; it is called with two arguments: the store, and a list of
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;; things to build.
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`((with-source . ,transform-package-source)
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(with-input . ,transform-package-inputs)))
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(define %transformation-options
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;; The command-line interface to the above transformations.
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(list (option '("with-source") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(cons (alist-cons 'with-source arg result)
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rest))))
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(option '("with-input") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(cons (alist-cons 'with-input arg result)
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rest))))))
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(define (show-transformation-options-help)
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(display (_ "
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--with-source=SOURCE
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use SOURCE when building the corresponding package"))
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(display (_ "
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--with-input=PACKAGE=REPLACEMENT
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replace dependency PACKAGE by REPLACEMENT")))
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(define (options->transformation opts)
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"Return a procedure that, when passed an object to build (package,
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derivation, etc.), applies the transformations specified by OPTS."
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(define applicable
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;; List of applicable transformations as symbol/procedure pairs.
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(filter-map (match-lambda
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((key . transform)
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(match (filter-map (match-lambda
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((k . arg)
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(and (eq? k key) arg)))
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opts)
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(() #f)
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(args (cons key (transform args))))))
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%transformations))
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(lambda (store obj)
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(fold (match-lambda*
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(((name . transform) obj)
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(let ((new (transform store obj)))
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(when (eq? new obj)
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(warning (_ "transformation '~a' had no effect on ~a~%")
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name
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(if (package? obj)
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(package-full-name obj)
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obj)))
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new)))
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obj
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applicable)))
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;;;
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;;; Standard command-line build options.
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;;;
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(define (show-build-options-help)
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"Display on the current output port help about the standard command-line
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options handled by 'set-build-options-from-command-line', and listed in
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'%standard-build-options'."
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(display (_ "
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-L, --load-path=DIR prepend DIR to the package module search path"))
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(display (_ "
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-K, --keep-failed keep build tree of failed builds"))
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(display (_ "
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-k, --keep-going keep going when some of the derivations fail"))
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(display (_ "
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-n, --dry-run do not build the derivations"))
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(display (_ "
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--fallback fall back to building when the substituter fails"))
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(display (_ "
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--no-substitutes build instead of resorting to pre-built substitutes"))
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(display (_ "
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--substitute-urls=URLS
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fetch substitute from URLS if they are authorized"))
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(display (_ "
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--no-build-hook do not attempt to offload builds via the build hook"))
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(display (_ "
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--max-silent-time=SECONDS
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mark the build as failed after SECONDS of silence"))
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(display (_ "
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--timeout=SECONDS mark the build as failed after SECONDS of activity"))
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(display (_ "
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--verbosity=LEVEL use the given verbosity LEVEL"))
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(display (_ "
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--rounds=N build N times in a row to detect non-determinism"))
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(display (_ "
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-c, --cores=N allow the use of up to N CPU cores for the build"))
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(display (_ "
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-M, --max-jobs=N allow at most N build jobs")))
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(define (set-build-options-from-command-line store opts)
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"Given OPTS, an alist as returned by 'args-fold' given
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'%standard-build-options', set the corresponding build options on STORE."
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;; TODO: Add more options.
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(set-build-options store
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#:keep-failed? (assoc-ref opts 'keep-failed?)
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#:keep-going? (assoc-ref opts 'keep-going?)
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#:rounds (assoc-ref opts 'rounds)
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#:build-cores (or (assoc-ref opts 'cores) 0)
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#:max-build-jobs (or (assoc-ref opts 'max-jobs) 1)
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#:fallback? (assoc-ref opts 'fallback?)
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:substitute-urls (assoc-ref opts 'substitute-urls)
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#:use-build-hook? (assoc-ref opts 'build-hook?)
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#:max-silent-time (assoc-ref opts 'max-silent-time)
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#:timeout (assoc-ref opts 'timeout)
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#:print-build-trace (assoc-ref opts 'print-build-trace?)
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#:verbosity (assoc-ref opts 'verbosity)))
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(define set-build-options-from-command-line*
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(store-lift set-build-options-from-command-line))
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(define %standard-build-options
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;; List of standard command-line options for tools that build something.
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(list (option '(#\L "load-path") #t #f
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(lambda (opt name arg result . rest)
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;; XXX: Imperatively modify the search paths.
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(%package-module-path (cons arg (%package-module-path)))
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(%patch-path (cons arg (%patch-path)))
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(set! %load-path (cons arg %load-path))
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(set! %load-compiled-path (cons arg %load-compiled-path))
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(apply values (cons result rest))))
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(option '(#\K "keep-failed") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'keep-failed? #t result)
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rest)))
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(option '(#\k "keep-going") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'keep-going? #t result)
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rest)))
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(option '("rounds") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'rounds (string->number* arg)
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result)
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rest)))
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(option '("fallback") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'fallback? #t
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(alist-delete 'fallback? result))
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rest)))
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(option '("no-substitutes") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'substitutes? #f
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(alist-delete 'substitutes? result))
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rest)))
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(option '("substitute-urls") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'substitute-urls
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(string-tokenize arg)
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(alist-delete 'substitute-urls result))
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rest)))
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(option '("no-build-hook") #f #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'build-hook? #f
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(alist-delete 'build-hook? result))
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rest)))
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(option '("max-silent-time") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'max-silent-time (string->number* arg)
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result)
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rest)))
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(option '("timeout") #t #f
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(lambda (opt name arg result . rest)
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(apply values
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(alist-cons 'timeout (string->number* arg) result)
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rest)))
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(option '("verbosity") #t #f
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(lambda (opt name arg result . rest)
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(let ((level (string->number arg)))
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(apply values
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(alist-cons 'verbosity level
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(alist-delete 'verbosity result))
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rest))))
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(option '(#\c "cores") #t #f
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(lambda (opt name arg result . rest)
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(let ((c (false-if-exception (string->number arg))))
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(if c
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(apply values (alist-cons 'cores c result) rest)
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(leave (_ "not a number: '~a' option argument: ~a~%")
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name arg)))))
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(option '(#\M "max-jobs") #t #f
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(lambda (opt name arg result . rest)
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(let ((c (false-if-exception (string->number arg))))
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(if c
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(apply values (alist-cons 'max-jobs c result) rest)
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(leave (_ "not a number: '~a' option argument: ~a~%")
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name arg)))))))
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;;;
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;;; Command-line options.
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;;;
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(define %default-options
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;; Alist of default option values.
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`((system . ,(%current-system))
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(build-mode . ,(build-mode normal))
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(graft? . #t)
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(substitutes? . #t)
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(build-hook? . #t)
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(print-build-trace? . #t)
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(max-silent-time . 3600)
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(verbosity . 0)))
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(define (show-help)
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(display (_ "Usage: guix build [OPTION]... PACKAGE-OR-DERIVATION...
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Build the given PACKAGE-OR-DERIVATION and return their output paths.\n"))
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(display (_ "
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-e, --expression=EXPR build the package or derivation EXPR evaluates to"))
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(display (_ "
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-f, --file=FILE build the package or derivation that the code within
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FILE evaluates to"))
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(display (_ "
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-S, --source build the packages' source derivations"))
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(display (_ "
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--sources[=TYPE] build source derivations; TYPE may optionally be one
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of \"package\", \"all\" (default), or \"transitive\""))
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(display (_ "
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-s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\""))
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(display (_ "
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--target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\""))
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(display (_ "
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--no-grafts do not graft packages"))
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(display (_ "
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-d, --derivations return the derivation paths of the given packages"))
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(display (_ "
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--check rebuild items to check for non-determinism issues"))
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(display (_ "
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-r, --root=FILE make FILE a symlink to the result, and register it
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as a garbage collector root"))
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(display (_ "
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--log-file return the log file names for the given derivations"))
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(newline)
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(show-build-options-help)
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(newline)
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(show-transformation-options-help)
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(newline)
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(display (_ "
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-h, --help display this help and exit"))
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(display (_ "
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-V, --version display version information and exit"))
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(newline)
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(show-bug-report-information))
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(define %options
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;; Specifications of the command-line options.
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(cons* (option '(#\h "help") #f #f
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(lambda args
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(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 '("no-grafts") #f #f
|
||
(lambda (opt name arg result)
|
||
(alist-cons 'graft? #f
|
||
(alist-delete 'graft? result eq?))))
|
||
|
||
(append %transformation-options
|
||
%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))
|
||
(define graft? (assoc-ref opts 'graft?))
|
||
|
||
(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))))))
|
||
(map (cut transform store <>)
|
||
(options->things-to-build opts)))))
|
||
|
||
(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))))))))
|