577 lines
23 KiB
Scheme
577 lines
23 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2015 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 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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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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;;; 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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-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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-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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#: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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(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 '("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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(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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--with-source=SOURCE
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use SOURCE when building the corresponding package"))
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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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-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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(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)
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(exit 0)))
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(option '(#\V "version") #f #f
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(lambda args
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(show-version-and-exit "guix build")))
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(option '(#\S "source") #f #f
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(lambda (opt name arg result)
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(alist-cons 'source #t result)))
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(option '("sources") #f #t
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(lambda (opt name arg result)
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(match arg
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("package"
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(alist-cons 'source #t result))
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((or "all" #f)
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(alist-cons 'source package-direct-sources result))
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("transitive"
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(alist-cons 'source package-transitive-sources result))
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(else
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(leave (_ "invalid argument: '~a' option argument: ~a, ~
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must be one of 'package', 'all', or 'transitive'~%")
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name arg)))))
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(option '(#\s "system") #t #f
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(lambda (opt name arg result)
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(alist-cons 'system arg
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(alist-delete 'system result eq?))))
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(option '("target") #t #f
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(lambda (opt name arg result)
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(alist-cons 'target arg
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(alist-delete 'target result eq?))))
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(option '(#\d "derivations") #f #f
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(lambda (opt name arg result)
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(alist-cons 'derivations-only? #t result)))
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(option '(#\e "expression") #t #f
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(lambda (opt name arg result)
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(alist-cons 'expression arg result)))
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(option '(#\f "file") #t #f
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(lambda (opt name arg result)
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(alist-cons 'file arg result)))
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(option '(#\n "dry-run") #f #f
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(lambda (opt name arg result)
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(alist-cons 'dry-run? #t result)))
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(option '(#\r "root") #t #f
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(lambda (opt name arg result)
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(alist-cons 'gc-root arg result)))
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(option '("log-file") #f #f
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(lambda (opt name arg result)
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(alist-cons 'log-file? #t result)))
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(option '("with-source") #t #f
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(lambda (opt name arg result)
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(alist-cons 'with-source arg result)))
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(option '("no-grafts") #f #f
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(lambda (opt name arg result)
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(alist-cons 'graft? #f
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(alist-delete 'graft? result eq?))))
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%standard-build-options))
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(define (options->things-to-build opts)
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"Read the arguments from OPTS and return a list of high-level objects to
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build---packages, gexps, derivations, and so on."
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(define ensure-list
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(match-lambda
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((x ...) x)
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(x (list x))))
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(append-map (match-lambda
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(('argument . (? string? spec))
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(cond ((derivation-path? spec)
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(list (call-with-input-file spec read-derivation)))
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((store-path? spec)
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;; Nothing to do; maybe for --log-file.
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'())
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(else
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(list (specification->package spec)))))
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(('file . file)
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(ensure-list (load* file (make-user-module '()))))
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(('expression . str)
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(ensure-list (read/eval str)))
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(('argument . (? derivation? drv))
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drv)
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(('argument . (? derivation-path? drv))
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(list ))
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(_ '()))
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opts))
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(define (options->derivations store opts)
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"Given OPTS, the result of 'args-fold', return a list of derivations to
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build."
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(define transform
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(options->transformation opts))
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(define package->derivation
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(match (assoc-ref opts 'target)
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(#f package-derivation)
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(triplet
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(cut package-cross-derivation <> <> triplet <>))))
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(define src (assoc-ref opts 'source))
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(define system (assoc-ref opts 'system))
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(define graft? (assoc-ref opts 'graft?))
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(parameterize ((%graft? graft?))
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(append-map (match-lambda
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((? package? p)
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(match src
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(#f
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(list (package->derivation store p system)))
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(#t
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(let ((s (package-source p)))
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(list (package-source-derivation store s))))
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(proc
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(map (cut package-source-derivation store <>)
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(proc p)))))
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((? derivation? drv)
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(list drv))
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((? procedure? proc)
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(list (run-with-store store
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(mbegin %store-monad
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(set-guile-for-build (default-guile))
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(proc))
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#:system system)))
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((? gexp? gexp)
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(list (run-with-store store
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(mbegin %store-monad
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(set-guile-for-build (default-guile))
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(gexp->derivation "gexp" gexp
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#:system system))))))
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(transform store (options->things-to-build opts)))))
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(define (transform-package-source sources)
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"Return a transformation procedure that uses replaces package sources with
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the 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 packages)
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(let loop ((packages packages)
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(sources new-sources)
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(result '()))
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(match packages
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(()
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(unless (null? sources)
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(warning (_ "sources do not match any package:~{ ~a~}~%")
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(match sources
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(((name . uri) ...)
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uri))))
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(reverse result))
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(((? package? p) tail ...)
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(let ((source (assoc-ref sources (package-name p))))
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(loop tail
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(alist-delete (package-name p) sources)
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||
(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))
|
||
(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?)))
|
||
|
||
(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)
|
||
(for-each show-derivation-outputs drv)
|
||
(for-each (cut register-root store <> <>)
|
||
(map (lambda (drv)
|
||
(map cdr
|
||
(derivation->output-paths drv)))
|
||
drv)
|
||
roots))))))))
|