1232 lines
49 KiB
Scheme
1232 lines
49 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 © 2014, 2015 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.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 packages)
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#:use-module (guix utils)
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#:use-module (guix records)
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#:use-module (guix store)
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#:use-module (guix monads)
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#:use-module (guix gexp)
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#:use-module (guix base32)
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#:use-module (guix grafts)
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#:use-module (guix derivations)
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#:use-module (guix build-system)
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#:use-module (guix search-paths)
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#:use-module (guix gexp)
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#:use-module (guix sets)
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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-9 gnu)
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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-35)
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#:use-module (web uri)
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#:re-export (%current-system
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%current-target-system
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search-path-specification) ;for convenience
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#:export (origin
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origin?
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origin-uri
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origin-method
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origin-sha256
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origin-file-name
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origin-actual-file-name
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origin-patches
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origin-patch-flags
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origin-patch-inputs
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origin-patch-guile
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origin-snippet
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origin-modules
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base32
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package
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package?
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package-name
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package-version
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package-full-name
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package-source
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package-build-system
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package-arguments
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package-inputs
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package-native-inputs
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package-propagated-inputs
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package-outputs
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package-native-search-paths
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package-search-paths
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package-replacement
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package-synopsis
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package-description
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package-license
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package-home-page
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package-supported-systems
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package-maintainers
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package-properties
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package-location
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hidden-package
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hidden-package?
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package-superseded
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deprecated-package
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package-field-location
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package-direct-sources
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package-transitive-sources
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package-direct-inputs
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package-transitive-inputs
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package-transitive-target-inputs
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package-transitive-native-inputs
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package-transitive-propagated-inputs
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package-transitive-native-search-paths
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package-transitive-supported-systems
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package-input-rewriting
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package-source-derivation
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package-derivation
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package-cross-derivation
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package-output
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package-grafts
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transitive-input-references
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%supported-systems
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%hurd-systems
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%hydra-supported-systems
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supported-package?
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&package-error
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package-error?
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package-error-package
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&package-input-error
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package-input-error?
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package-error-invalid-input
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&package-cross-build-system-error
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package-cross-build-system-error?
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package->bag
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bag->derivation
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bag-direct-inputs
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bag-transitive-inputs
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bag-transitive-host-inputs
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bag-transitive-build-inputs
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bag-transitive-target-inputs
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default-guile
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default-guile-derivation
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set-guile-for-build
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package-file
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package->derivation
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package->cross-derivation
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origin->derivation))
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;;; Commentary:
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;;;
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;;; This module provides a high-level mechanism to define packages in a
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;;; Guix-based distribution.
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;;;
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;;; Code:
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;; The source of a package, such as a tarball URL and fetcher---called
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;; "origin" to avoid name clash with `package-source', `source', etc.
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(define-record-type* <origin>
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origin make-origin
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origin?
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(uri origin-uri) ; string
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(method origin-method) ; procedure
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(sha256 origin-sha256) ; bytevector
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(file-name origin-file-name (default #f)) ; optional file name
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;; Patches are delayed so that the 'search-patch' calls are made lazily,
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;; which reduces I/O on startup and allows patch-not-found errors to be
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;; gracefully handled at run time.
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(patches origin-patches ; list of file names
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(default '()) (delayed))
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(snippet origin-snippet (default #f)) ; sexp or #f
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(patch-flags origin-patch-flags ; list of strings
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(default '("-p1")))
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;; Patching requires Guile, GNU Patch, and a few more. These two fields are
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;; used to specify these dependencies when needed.
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(patch-inputs origin-patch-inputs ; input list or #f
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(default #f))
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(modules origin-modules ; list of module names
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(default '()))
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(patch-guile origin-patch-guile ; package or #f
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(default #f)))
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(define (print-origin origin port)
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"Write a concise representation of ORIGIN to PORT."
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(match origin
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(($ <origin> uri method sha256 file-name patches)
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(simple-format port "#<origin ~s ~a ~s ~a>"
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uri (bytevector->base32-string sha256)
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(force patches)
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(number->string (object-address origin) 16)))))
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(set-record-type-printer! <origin> print-origin)
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(define-syntax base32
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(lambda (s)
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"Return the bytevector corresponding to the given Nix-base32
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representation."
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(syntax-case s ()
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((_ str)
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(string? (syntax->datum #'str))
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;; A literal string: do the conversion at expansion time.
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(with-syntax ((bv (nix-base32-string->bytevector
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(syntax->datum #'str))))
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#''bv))
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((_ str)
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#'(nix-base32-string->bytevector str)))))
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(define (origin-actual-file-name origin)
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"Return the file name of ORIGIN, either its 'file-name' field or the file
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name of its URI."
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(define (uri->file-name uri)
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;; Return the 'base name' of URI or URI itself, where URI is a string.
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(let ((path (and=> (string->uri uri) uri-path)))
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(if path
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(basename path)
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uri)))
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(or (origin-file-name origin)
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(match (origin-uri origin)
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((head . tail)
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(uri->file-name head))
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((? string? uri)
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(uri->file-name uri))
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(else
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;; git, svn, cvs, etc. reference
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#f))))
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(define %supported-systems
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;; This is the list of system types that are supported. By default, we
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;; expect all packages to build successfully here.
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'("x86_64-linux" "i686-linux" "armhf-linux" "mips64el-linux"))
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(define %hurd-systems
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;; The GNU/Hurd systems for which support is being developed.
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'("i585-gnu" "i686-gnu"))
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(define %hydra-supported-systems
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;; This is the list of system types for which build slaves are available.
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%supported-systems)
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;; A package.
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(define-record-type* <package>
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package make-package
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package?
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(name package-name) ; string
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(version package-version) ; string
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(source package-source) ; <origin> instance
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(build-system package-build-system) ; build system
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(arguments package-arguments ; arguments for the build method
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(default '()) (thunked))
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(inputs package-inputs ; input packages or derivations
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(default '()) (thunked))
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(propagated-inputs package-propagated-inputs ; same, but propagated
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(default '()) (thunked))
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(native-inputs package-native-inputs ; native input packages/derivations
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(default '()) (thunked))
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(self-native-input? package-self-native-input? ; whether to use itself as
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; a native input when cross-
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(default #f)) ; compiling
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(outputs package-outputs ; list of strings
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(default '("out")))
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; lists of
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; <search-path-specification>,
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; for native and cross
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; inputs
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(native-search-paths package-native-search-paths (default '()))
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(search-paths package-search-paths (default '()))
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(replacement package-replacement ; package | #f
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(default #f) (thunked))
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(synopsis package-synopsis) ; one-line description
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(description package-description) ; one or two paragraphs
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(license package-license)
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(home-page package-home-page)
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(supported-systems package-supported-systems ; list of strings
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(default %supported-systems))
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(maintainers package-maintainers (default '()))
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(properties package-properties (default '())) ; alist for anything else
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(location package-location
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(default (and=> (current-source-location)
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source-properties->location))
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(innate)))
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(set-record-type-printer! <package>
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(lambda (package port)
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(let ((loc (package-location package))
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(format simple-format))
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(format port "#<package ~a@~a ~a~a>"
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(package-name package)
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(package-version package)
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(if loc
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(format #f "~a:~a "
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(location-file loc)
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(location-line loc))
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"")
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(number->string (object-address
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package)
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16)))))
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(define (hidden-package p)
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"Return a \"hidden\" version of P--i.e., one that 'fold-packages' and thus,
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user interfaces, ignores."
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(package
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(inherit p)
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(properties `((hidden? . #t)
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,@(package-properties p)))))
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(define (hidden-package? p)
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"Return true if P is \"hidden\"--i.e., must not be visible to user
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interfaces."
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(assoc-ref (package-properties p) 'hidden?))
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(define (package-superseded p)
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"Return the package the supersedes P, or #f if P is still current."
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(assoc-ref (package-properties p) 'superseded))
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(define (deprecated-package old-name p)
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"Return a package called OLD-NAME and marked as superseded by P, a package
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object."
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(package
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(inherit p)
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(name old-name)
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(properties `((superseded . ,p)))))
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(define (package-field-location package field)
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"Return the source code location of the definition of FIELD for PACKAGE, or
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#f if it could not be determined."
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(define (goto port line column)
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(unless (and (= (port-column port) (- column 1))
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(= (port-line port) (- line 1)))
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(unless (eof-object? (read-char port))
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(goto port line column))))
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(match (package-location package)
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(($ <location> file line column)
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(catch 'system
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(lambda ()
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;; In general we want to keep relative file names for modules.
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(with-fluids ((%file-port-name-canonicalization 'relative))
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(call-with-input-file (search-path %load-path file)
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(lambda (port)
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(goto port line column)
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(match (read port)
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(('package inits ...)
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(let ((field (assoc field inits)))
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(match field
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((_ value)
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;; Put the `or' here, and not in the first argument of
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;; `and=>', to work around a compiler bug in 2.0.5.
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(or (and=> (source-properties value)
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source-properties->location)
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(and=> (source-properties field)
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source-properties->location)))
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(_
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#f))))
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(_
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#f))))))
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(lambda _
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#f)))
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(_ #f)))
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;; Error conditions.
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(define-condition-type &package-error &error
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package-error?
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(package package-error-package))
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(define-condition-type &package-input-error &package-error
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package-input-error?
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(input package-error-invalid-input))
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(define-condition-type &package-cross-build-system-error &package-error
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package-cross-build-system-error?)
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(define (package-full-name package)
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"Return the full name of PACKAGE--i.e., `NAME-VERSION'."
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(string-append (package-name package) "-" (package-version package)))
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(define (%standard-patch-inputs)
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(let* ((canonical (module-ref (resolve-interface '(gnu packages base))
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'canonical-package))
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(ref (lambda (module var)
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(canonical
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(module-ref (resolve-interface module) var)))))
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`(("tar" ,(ref '(gnu packages base) 'tar))
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("xz" ,(ref '(gnu packages compression) 'xz))
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("bzip2" ,(ref '(gnu packages compression) 'bzip2))
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("gzip" ,(ref '(gnu packages compression) 'gzip))
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("lzip" ,(ref '(gnu packages compression) 'lzip))
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("unzip" ,(ref '(gnu packages zip) 'unzip))
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("patch" ,(ref '(gnu packages base) 'patch))
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("locales" ,(ref '(gnu packages base) 'glibc-utf8-locales)))))
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(define (default-guile)
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"Return the default Guile package used to run the build code of
|
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derivations."
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(let ((distro (resolve-interface '(gnu packages commencement))))
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(module-ref distro 'guile-final)))
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||
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(define* (default-guile-derivation #:optional (system (%current-system)))
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"Return the derivation for SYSTEM of the default Guile package used to run
|
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the build code of derivation."
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(package->derivation (default-guile) system
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#:graft? #f))
|
||
|
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(define* (patch-and-repack source patches
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#:key
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inputs
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(snippet #f)
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(flags '("-p1"))
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(modules '())
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(guile-for-build (%guile-for-build))
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(system (%current-system)))
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"Unpack SOURCE (a derivation or store path), apply all of PATCHES, and
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repack the tarball using the tools listed in INPUTS. When SNIPPET is true,
|
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it must be an s-expression that will run from within the directory where
|
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SOURCE was unpacked, after all of PATCHES have been applied. MODULES
|
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specifies modules in scope when evaluating SNIPPET."
|
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(define source-file-name
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;; SOURCE is usually a derivation, but it could be a store file.
|
||
(if (derivation? source)
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||
(derivation->output-path source)
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source))
|
||
|
||
(define lookup-input
|
||
;; The default value of the 'patch-inputs' field, and thus INPUTS is #f,
|
||
;; so deal with that.
|
||
(let ((inputs (or inputs (%standard-patch-inputs))))
|
||
(lambda (name)
|
||
(match (assoc-ref inputs name)
|
||
((package) package)
|
||
(#f #f)))))
|
||
|
||
(define decompression-type
|
||
(cond ((string-suffix? "gz" source-file-name) "gzip")
|
||
((string-suffix? "Z" source-file-name) "gzip")
|
||
((string-suffix? "bz2" source-file-name) "bzip2")
|
||
((string-suffix? "lz" source-file-name) "lzip")
|
||
((string-suffix? "zip" source-file-name) "unzip")
|
||
(else "xz")))
|
||
|
||
(define original-file-name
|
||
;; Remove the store prefix plus the slash, hash, and hyphen.
|
||
(let* ((sans (string-drop source-file-name
|
||
(+ (string-length (%store-prefix)) 1)))
|
||
(dash (string-index sans #\-)))
|
||
(string-drop sans (+ 1 dash))))
|
||
|
||
(define (numeric-extension? file-name)
|
||
;; Return true if FILE-NAME ends with digits.
|
||
(and=> (file-extension file-name)
|
||
(cut string-every char-set:hex-digit <>)))
|
||
|
||
(define (tarxz-name file-name)
|
||
;; Return a '.tar.xz' file name based on FILE-NAME.
|
||
(let ((base (if (numeric-extension? file-name)
|
||
original-file-name
|
||
(file-sans-extension file-name))))
|
||
(string-append base
|
||
(if (equal? (file-extension base) "tar")
|
||
".xz"
|
||
".tar.xz"))))
|
||
|
||
(define instantiate-patch
|
||
(match-lambda
|
||
((? string? patch)
|
||
(interned-file patch #:recursive? #t))
|
||
((? origin? patch)
|
||
(origin->derivation patch system))))
|
||
|
||
(mlet %store-monad ((tar -> (lookup-input "tar"))
|
||
(xz -> (lookup-input "xz"))
|
||
(patch -> (lookup-input "patch"))
|
||
(locales -> (lookup-input "locales"))
|
||
(decomp -> (lookup-input decompression-type))
|
||
(patches (sequence %store-monad
|
||
(map instantiate-patch patches))))
|
||
(define build
|
||
(with-imported-modules '((guix build utils))
|
||
#~(begin
|
||
(use-modules (ice-9 ftw)
|
||
(srfi srfi-1)
|
||
(guix build utils))
|
||
|
||
;; The --sort option was added to GNU tar in version 1.28, released
|
||
;; 2014-07-28. During bootstrap we must cope with older versions.
|
||
(define tar-supports-sort?
|
||
(zero? (system* (string-append #+tar "/bin/tar")
|
||
"cf" "/dev/null" "--files-from=/dev/null"
|
||
"--sort=name")))
|
||
|
||
(define (apply-patch patch)
|
||
(format (current-error-port) "applying '~a'...~%" patch)
|
||
|
||
;; Use '--force' so that patches that do not apply perfectly are
|
||
;; rejected.
|
||
(zero? (system* (string-append #+patch "/bin/patch")
|
||
"--force" #+@flags "--input" patch)))
|
||
|
||
(define (first-file directory)
|
||
;; Return the name of the first file in DIRECTORY.
|
||
(car (scandir directory
|
||
(lambda (name)
|
||
(not (member name '("." "..")))))))
|
||
|
||
;; Encoding/decoding errors shouldn't be silent.
|
||
(fluid-set! %default-port-conversion-strategy 'error)
|
||
|
||
(when #+locales
|
||
;; First of all, install a UTF-8 locale so that UTF-8 file names
|
||
;; are correctly interpreted. During bootstrap, LOCALES is #f.
|
||
(setenv "LOCPATH"
|
||
(string-append #+locales "/lib/locale/"
|
||
#+(and locales
|
||
(package-version locales))))
|
||
(setlocale LC_ALL "en_US.utf8"))
|
||
|
||
(setenv "PATH" (string-append #+xz "/bin" ":"
|
||
#+decomp "/bin"))
|
||
|
||
;; SOURCE may be either a directory or a tarball.
|
||
(and (if (file-is-directory? #+source)
|
||
(let* ((store (%store-directory))
|
||
(len (+ 1 (string-length store)))
|
||
(base (string-drop #+source len))
|
||
(dash (string-index base #\-))
|
||
(directory (string-drop base (+ 1 dash))))
|
||
(mkdir directory)
|
||
(copy-recursively #+source directory)
|
||
#t)
|
||
#+(if (string=? decompression-type "unzip")
|
||
#~(zero? (system* "unzip" #+source))
|
||
#~(zero? (system* (string-append #+tar "/bin/tar")
|
||
"xvf" #+source))))
|
||
(let ((directory (first-file ".")))
|
||
(format (current-error-port)
|
||
"source is under '~a'~%" directory)
|
||
(chdir directory)
|
||
|
||
(and (every apply-patch '#+patches)
|
||
#+@(if snippet
|
||
#~((let ((module (make-fresh-user-module)))
|
||
(module-use-interfaces!
|
||
module
|
||
(map resolve-interface '#+modules))
|
||
((@ (system base compile) compile)
|
||
'#+snippet
|
||
#:to 'value
|
||
#:opts %auto-compilation-options
|
||
#:env module)))
|
||
#~())
|
||
|
||
(begin (chdir "..") #t)
|
||
|
||
(unless tar-supports-sort?
|
||
(call-with-output-file ".file_list"
|
||
(lambda (port)
|
||
(for-each (lambda (name)
|
||
(format port "~a~%" name))
|
||
(find-files directory
|
||
#:directories? #t
|
||
#:fail-on-error? #t)))))
|
||
(zero? (apply system*
|
||
(string-append #+tar "/bin/tar")
|
||
"cvfa" #$output
|
||
;; avoid non-determinism in the archive
|
||
"--mtime=@0"
|
||
"--owner=root:0"
|
||
"--group=root:0"
|
||
(if tar-supports-sort?
|
||
`("--sort=name"
|
||
,directory)
|
||
'("--no-recursion"
|
||
"--files-from=.file_list"))))))))))
|
||
|
||
(let ((name (tarxz-name original-file-name)))
|
||
(gexp->derivation name build
|
||
#:graft? #f
|
||
#:system system
|
||
#:guile-for-build guile-for-build))))
|
||
|
||
(define (transitive-inputs inputs)
|
||
"Return the closure of INPUTS when considering the 'propagated-inputs'
|
||
edges. Omit duplicate inputs, except for those already present in INPUTS
|
||
itself.
|
||
|
||
This is implemented as a breadth-first traversal such that INPUTS is
|
||
preserved, and only duplicate propagated inputs are removed."
|
||
(define (seen? seen item outputs)
|
||
(match (vhash-assq item seen)
|
||
((_ . o) (equal? o outputs))
|
||
(_ #f)))
|
||
|
||
(let loop ((inputs inputs)
|
||
(result '())
|
||
(propagated '())
|
||
(first? #t)
|
||
(seen vlist-null))
|
||
(match inputs
|
||
(()
|
||
(if (null? propagated)
|
||
(reverse result)
|
||
(loop (reverse (concatenate propagated)) result '() #f seen)))
|
||
(((and input (label (? package? package) outputs ...)) rest ...)
|
||
(if (and (not first?) (seen? seen package outputs))
|
||
(loop rest result propagated first? seen)
|
||
(loop rest
|
||
(cons input result)
|
||
(cons (package-propagated-inputs package) propagated)
|
||
first?
|
||
(vhash-consq package outputs seen))))
|
||
((input rest ...)
|
||
(loop rest (cons input result) propagated first? seen)))))
|
||
|
||
(define (package-direct-sources package)
|
||
"Return all source origins associated with PACKAGE; including origins in
|
||
PACKAGE's inputs."
|
||
`(,@(or (and=> (package-source package) list) '())
|
||
,@(filter-map (match-lambda
|
||
((_ (? origin? orig) _ ...)
|
||
orig)
|
||
(_ #f))
|
||
(package-direct-inputs package))))
|
||
|
||
(define (package-transitive-sources package)
|
||
"Return PACKAGE's direct sources, and their direct sources, recursively."
|
||
(delete-duplicates
|
||
(concatenate (filter-map (match-lambda
|
||
((_ (? origin? orig) _ ...)
|
||
(list orig))
|
||
((_ (? package? p) _ ...)
|
||
(package-direct-sources p))
|
||
(_ #f))
|
||
(bag-transitive-inputs
|
||
(package->bag package))))))
|
||
|
||
(define (package-direct-inputs package)
|
||
"Return all the direct inputs of PACKAGE---i.e, its direct inputs along
|
||
with their propagated inputs."
|
||
(append (package-native-inputs package)
|
||
(package-inputs package)
|
||
(package-propagated-inputs package)))
|
||
|
||
(define (package-transitive-inputs package)
|
||
"Return the transitive inputs of PACKAGE---i.e., its direct inputs along
|
||
with their propagated inputs, recursively."
|
||
(transitive-inputs (package-direct-inputs package)))
|
||
|
||
(define (package-transitive-target-inputs package)
|
||
"Return the transitive target inputs of PACKAGE---i.e., its direct inputs
|
||
along with their propagated inputs, recursively. This only includes inputs
|
||
for the target system, and not native inputs."
|
||
(transitive-inputs (append (package-inputs package)
|
||
(package-propagated-inputs package))))
|
||
|
||
(define (package-transitive-native-inputs package)
|
||
"Return the transitive native inputs of PACKAGE---i.e., its direct inputs
|
||
along with their propagated inputs, recursively. This only includes inputs
|
||
for the host system (\"native inputs\"), and not target inputs."
|
||
(transitive-inputs (package-native-inputs package)))
|
||
|
||
(define (package-transitive-propagated-inputs package)
|
||
"Return the propagated inputs of PACKAGE, and their propagated inputs,
|
||
recursively."
|
||
(transitive-inputs (package-propagated-inputs package)))
|
||
|
||
(define (package-transitive-native-search-paths package)
|
||
"Return the list of search paths for PACKAGE and its propagated inputs,
|
||
recursively."
|
||
(append (package-native-search-paths package)
|
||
(append-map (match-lambda
|
||
((label (? package? p) _ ...)
|
||
(package-native-search-paths p))
|
||
(_
|
||
'()))
|
||
(package-transitive-propagated-inputs package))))
|
||
|
||
(define (transitive-input-references alist inputs)
|
||
"Return a list of (assoc-ref ALIST <label>) for each (<label> <package> . _)
|
||
in INPUTS and their transitive propagated inputs."
|
||
(define label
|
||
(match-lambda
|
||
((label . _)
|
||
label)))
|
||
|
||
(map (lambda (input)
|
||
`(assoc-ref ,alist ,(label input)))
|
||
(transitive-inputs inputs)))
|
||
|
||
(define-syntax define-memoized/v
|
||
(lambda (form)
|
||
"Define a memoized single-valued unary procedure with docstring.
|
||
The procedure argument is compared to cached keys using `eqv?'."
|
||
(syntax-case form ()
|
||
((_ (proc arg) docstring body body* ...)
|
||
(string? (syntax->datum #'docstring))
|
||
#'(define proc
|
||
(let ((cache (make-hash-table)))
|
||
(define (proc arg)
|
||
docstring
|
||
(match (hashv-get-handle cache arg)
|
||
((_ . value)
|
||
value)
|
||
(_
|
||
(let ((result (let () body body* ...)))
|
||
(hashv-set! cache arg result)
|
||
result))))
|
||
proc))))))
|
||
|
||
(define-memoized/v (package-transitive-supported-systems package)
|
||
"Return the intersection of the systems supported by PACKAGE and those
|
||
supported by its dependencies."
|
||
(fold (lambda (input systems)
|
||
(match input
|
||
((label (? package? p) . _)
|
||
(lset-intersection
|
||
string=? systems (package-transitive-supported-systems p)))
|
||
(_
|
||
systems)))
|
||
(package-supported-systems package)
|
||
(bag-direct-inputs (package->bag package))))
|
||
|
||
(define* (supported-package? package #:optional (system (%current-system)))
|
||
"Return true if PACKAGE is supported on SYSTEM--i.e., if PACKAGE and all its
|
||
dependencies are known to build on SYSTEM."
|
||
(member system (package-transitive-supported-systems package)))
|
||
|
||
(define (bag-direct-inputs bag)
|
||
"Same as 'package-direct-inputs', but applied to a bag."
|
||
(append (bag-build-inputs bag)
|
||
(bag-host-inputs bag)
|
||
(bag-target-inputs bag)))
|
||
|
||
(define (bag-transitive-inputs bag)
|
||
"Same as 'package-transitive-inputs', but applied to a bag."
|
||
(transitive-inputs (bag-direct-inputs bag)))
|
||
|
||
(define (bag-transitive-build-inputs bag)
|
||
"Same as 'package-transitive-native-inputs', but applied to a bag."
|
||
(transitive-inputs (bag-build-inputs bag)))
|
||
|
||
(define (bag-transitive-host-inputs bag)
|
||
"Same as 'package-transitive-target-inputs', but applied to a bag."
|
||
(transitive-inputs (bag-host-inputs bag)))
|
||
|
||
(define (bag-transitive-target-inputs bag)
|
||
"Return the \"target inputs\" of BAG, recursively."
|
||
(transitive-inputs (bag-target-inputs bag)))
|
||
|
||
(define* (package-input-rewriting replacements
|
||
#:optional (rewrite-name identity))
|
||
"Return a procedure that, when passed a package, replaces its direct and
|
||
indirect dependencies (but not its implicit inputs) according to REPLACEMENTS.
|
||
REPLACEMENTS is a list of package pairs; the first element of each pair is the
|
||
package to replace, and the second one is the replacement.
|
||
|
||
Optionally, REWRITE-NAME is a one-argument procedure that takes the name of a
|
||
package and returns its new name after rewrite."
|
||
(define (rewrite input)
|
||
(match input
|
||
((label (? package? package) outputs ...)
|
||
(match (assq-ref replacements package)
|
||
(#f (cons* label (replace package) outputs))
|
||
(new (cons* label new outputs))))
|
||
(_
|
||
input)))
|
||
|
||
(define-memoized/v (replace p)
|
||
"Return a variant of P with its inputs rewritten."
|
||
(package
|
||
(inherit p)
|
||
(name (rewrite-name (package-name p)))
|
||
(inputs (map rewrite (package-inputs p)))
|
||
(native-inputs (map rewrite (package-native-inputs p)))
|
||
(propagated-inputs (map rewrite (package-propagated-inputs p)))))
|
||
|
||
replace)
|
||
|
||
|
||
;;;
|
||
;;; Package derivations.
|
||
;;;
|
||
|
||
(define %derivation-cache
|
||
;; Package to derivation-path mapping.
|
||
(make-weak-key-hash-table 100))
|
||
|
||
(define (cache! cache package system thunk)
|
||
"Memoize in CACHE the return values of THUNK as the derivation of PACKAGE on
|
||
SYSTEM."
|
||
;; FIXME: This memoization should be associated with the open store, because
|
||
;; otherwise it breaks when switching to a different store.
|
||
(let ((vals (call-with-values thunk list)))
|
||
;; Use `hashq-set!' instead of `hash-set!' because `hash' returns the
|
||
;; same value for all structs (as of Guile 2.0.6), and because pointer
|
||
;; equality is sufficient in practice.
|
||
(hashq-set! cache package
|
||
`((,system ,@vals)
|
||
,@(or (hashq-ref cache package) '())))
|
||
(apply values vals)))
|
||
|
||
(define-syntax cached
|
||
(syntax-rules (=>)
|
||
"Memoize the result of BODY for the arguments PACKAGE and SYSTEM.
|
||
Return the cached result when available."
|
||
((_ (=> cache) package system body ...)
|
||
(let ((thunk (lambda () body ...))
|
||
(key system))
|
||
(match (hashq-ref cache package)
|
||
((alist (... ...))
|
||
(match (assoc-ref alist key)
|
||
((vals (... ...))
|
||
(apply values vals))
|
||
(#f
|
||
(cache! cache package key thunk))))
|
||
(#f
|
||
(cache! cache package key thunk)))))
|
||
((_ package system body ...)
|
||
(cached (=> %derivation-cache) package system body ...))))
|
||
|
||
(define* (expand-input store package input system #:optional cross-system)
|
||
"Expand INPUT, an input tuple, such that it contains only references to
|
||
derivation paths or store paths. PACKAGE is only used to provide contextual
|
||
information in exceptions."
|
||
(define (intern file)
|
||
;; Add FILE to the store. Set the `recursive?' bit to #t, so that
|
||
;; file permissions are preserved.
|
||
(add-to-store store (basename file) #t "sha256" file))
|
||
|
||
(define derivation
|
||
(if cross-system
|
||
(cut package-cross-derivation store <> cross-system system
|
||
#:graft? #f)
|
||
(cut package-derivation store <> system #:graft? #f)))
|
||
|
||
(match input
|
||
(((? string? name) (? package? package))
|
||
(list name (derivation package)))
|
||
(((? string? name) (? package? package)
|
||
(? string? sub-drv))
|
||
(list name (derivation package)
|
||
sub-drv))
|
||
(((? string? name)
|
||
(and (? string?) (? derivation-path?) drv))
|
||
(list name drv))
|
||
(((? string? name)
|
||
(and (? string?) (? file-exists? file)))
|
||
;; Add FILE to the store. When FILE is in the sub-directory of a
|
||
;; store path, it needs to be added anyway, so it can be used as a
|
||
;; source.
|
||
(list name (intern file)))
|
||
(((? string? name) (? struct? source))
|
||
(list name (package-source-derivation store source system)))
|
||
(x
|
||
(raise (condition (&package-input-error
|
||
(package package)
|
||
(input x)))))))
|
||
|
||
(define %bag-cache
|
||
;; 'eq?' cache mapping packages to system+target+graft?-dependent bags.
|
||
;; It significantly speeds things up when doing repeated calls to
|
||
;; 'package->bag' as is the case when building a profile.
|
||
(make-weak-key-hash-table 200))
|
||
|
||
(define* (package->bag package #:optional
|
||
(system (%current-system))
|
||
(target (%current-target-system))
|
||
#:key (graft? (%graft?)))
|
||
"Compile PACKAGE into a bag for SYSTEM, possibly cross-compiled to TARGET,
|
||
and return it."
|
||
(cached (=> %bag-cache)
|
||
package (list system target graft?)
|
||
;; Bind %CURRENT-SYSTEM and %CURRENT-TARGET-SYSTEM so that thunked
|
||
;; field values can refer to it.
|
||
(parameterize ((%current-system system)
|
||
(%current-target-system target))
|
||
(match (if graft?
|
||
(or (package-replacement package) package)
|
||
package)
|
||
(($ <package> name version source build-system
|
||
args inputs propagated-inputs native-inputs
|
||
self-native-input? outputs)
|
||
(or (make-bag build-system (string-append name "-" version)
|
||
#:system system
|
||
#:target target
|
||
#:source source
|
||
#:inputs (append (inputs)
|
||
(propagated-inputs))
|
||
#:outputs outputs
|
||
#:native-inputs `(,@(if (and target
|
||
self-native-input?)
|
||
`(("self" ,package))
|
||
'())
|
||
,@(native-inputs))
|
||
#:arguments (args))
|
||
(raise (if target
|
||
(condition
|
||
(&package-cross-build-system-error
|
||
(package package)))
|
||
(condition
|
||
(&package-error
|
||
(package package)))))))))))
|
||
|
||
(define %graft-cache
|
||
;; 'eq?' cache mapping package objects to a graft corresponding to their
|
||
;; replacement package.
|
||
(make-weak-key-hash-table 200))
|
||
|
||
(define (input-graft store system)
|
||
"Return a procedure that, given a package with a graft, returns a graft, and
|
||
#f otherwise."
|
||
(match-lambda
|
||
((? package? package)
|
||
(let ((replacement (package-replacement package)))
|
||
(and replacement
|
||
(cached (=> %graft-cache) package system
|
||
(let ((orig (package-derivation store package system
|
||
#:graft? #f))
|
||
(new (package-derivation store replacement system)))
|
||
(graft
|
||
(origin orig)
|
||
(replacement new)))))))
|
||
(x
|
||
#f)))
|
||
|
||
(define (input-cross-graft store target system)
|
||
"Same as 'input-graft', but for cross-compilation inputs."
|
||
(match-lambda
|
||
((? package? package)
|
||
(let ((replacement (package-replacement package)))
|
||
(and replacement
|
||
(let ((orig (package-cross-derivation store package target system
|
||
#:graft? #f))
|
||
(new (package-cross-derivation store replacement
|
||
target system)))
|
||
(graft
|
||
(origin orig)
|
||
(replacement new))))))
|
||
(_
|
||
#f)))
|
||
|
||
(define* (fold-bag-dependencies proc seed bag
|
||
#:key (native? #t))
|
||
"Fold PROC over the packages BAG depends on. Each package is visited only
|
||
once, in depth-first order. If NATIVE? is true, restrict to native
|
||
dependencies; otherwise, restrict to target dependencies."
|
||
(define nodes
|
||
(match (if native?
|
||
(append (bag-build-inputs bag)
|
||
(bag-target-inputs bag)
|
||
(if (bag-target bag)
|
||
'()
|
||
(bag-host-inputs bag)))
|
||
(bag-host-inputs bag))
|
||
(((labels things _ ...) ...)
|
||
things)))
|
||
|
||
(let loop ((nodes nodes)
|
||
(result seed)
|
||
(visited (setq)))
|
||
(match nodes
|
||
(()
|
||
result)
|
||
(((? package? head) . tail)
|
||
(if (set-contains? visited head)
|
||
(loop tail result visited)
|
||
(let ((inputs (bag-direct-inputs (package->bag head))))
|
||
(loop (match inputs
|
||
(((labels things _ ...) ...)
|
||
(append things tail)))
|
||
(proc head result)
|
||
(set-insert head visited)))))
|
||
((head . tail)
|
||
(loop tail result visited)))))
|
||
|
||
(define* (bag-grafts store bag)
|
||
"Return the list of grafts potentially applicable to BAG. Potentially
|
||
applicable grafts are collected by looking at direct or indirect dependencies
|
||
of BAG that have a 'replacement'. Whether a graft is actually applicable
|
||
depends on whether the outputs of BAG depend on the items the grafts refer
|
||
to (see 'graft-derivation'.)"
|
||
(define system (bag-system bag))
|
||
(define target (bag-target bag))
|
||
|
||
(define native-grafts
|
||
(let ((->graft (input-graft store system)))
|
||
(fold-bag-dependencies (lambda (package grafts)
|
||
(match (->graft package)
|
||
(#f grafts)
|
||
(graft (cons graft grafts))))
|
||
'()
|
||
bag)))
|
||
|
||
(define target-grafts
|
||
(if target
|
||
(let ((->graft (input-cross-graft store target system)))
|
||
(fold-bag-dependencies (lambda (package grafts)
|
||
(match (->graft package)
|
||
(#f grafts)
|
||
(graft (cons graft grafts))))
|
||
'()
|
||
bag
|
||
#:native? #f))
|
||
'()))
|
||
|
||
;; We can end up with several identical grafts if we stumble upon packages
|
||
;; that are not 'eq?' but map to the same derivation (this can happen when
|
||
;; using things like 'package-with-explicit-inputs'.) Hence the
|
||
;; 'delete-duplicates' call.
|
||
(delete-duplicates
|
||
(append native-grafts target-grafts)))
|
||
|
||
(define* (package-grafts store package
|
||
#:optional (system (%current-system))
|
||
#:key target)
|
||
"Return the list of grafts applicable to PACKAGE as built for SYSTEM and
|
||
TARGET."
|
||
(let* ((package (or (package-replacement package) package))
|
||
(bag (package->bag package system target)))
|
||
(bag-grafts store bag)))
|
||
|
||
(define* (bag->derivation store bag
|
||
#:optional context)
|
||
"Return the derivation to build BAG for SYSTEM. Optionally, CONTEXT can be
|
||
a package object describing the context in which the call occurs, for improved
|
||
error reporting."
|
||
(if (bag-target bag)
|
||
(bag->cross-derivation store bag)
|
||
(let* ((system (bag-system bag))
|
||
(inputs (bag-transitive-inputs bag))
|
||
(input-drvs (map (cut expand-input store context <> system)
|
||
inputs))
|
||
(paths (delete-duplicates
|
||
(append-map (match-lambda
|
||
((_ (? package? p) _ ...)
|
||
(package-native-search-paths
|
||
p))
|
||
(_ '()))
|
||
inputs))))
|
||
|
||
(apply (bag-build bag)
|
||
store (bag-name bag) input-drvs
|
||
#:search-paths paths
|
||
#:outputs (bag-outputs bag) #:system system
|
||
(bag-arguments bag)))))
|
||
|
||
(define* (bag->cross-derivation store bag
|
||
#:optional context)
|
||
"Return the derivation to build BAG, which is actually a cross build.
|
||
Optionally, CONTEXT can be a package object denoting the context of the call.
|
||
This is an internal procedure."
|
||
(let* ((system (bag-system bag))
|
||
(target (bag-target bag))
|
||
(host (bag-transitive-host-inputs bag))
|
||
(host-drvs (map (cut expand-input store context <> system target)
|
||
host))
|
||
(target* (bag-transitive-target-inputs bag))
|
||
(target-drvs (map (cut expand-input store context <> system)
|
||
target*))
|
||
(build (bag-transitive-build-inputs bag))
|
||
(build-drvs (map (cut expand-input store context <> system)
|
||
build))
|
||
(all (append build target* host))
|
||
(paths (delete-duplicates
|
||
(append-map (match-lambda
|
||
((_ (? package? p) _ ...)
|
||
(package-search-paths p))
|
||
(_ '()))
|
||
all)))
|
||
(npaths (delete-duplicates
|
||
(append-map (match-lambda
|
||
((_ (? package? p) _ ...)
|
||
(package-native-search-paths
|
||
p))
|
||
(_ '()))
|
||
all))))
|
||
|
||
(apply (bag-build bag)
|
||
store (bag-name bag)
|
||
#:native-drvs build-drvs
|
||
#:target-drvs (append host-drvs target-drvs)
|
||
#:search-paths paths
|
||
#:native-search-paths npaths
|
||
#:outputs (bag-outputs bag)
|
||
#:system system #:target target
|
||
(bag-arguments bag))))
|
||
|
||
(define* (package-derivation store package
|
||
#:optional (system (%current-system))
|
||
#:key (graft? (%graft?)))
|
||
"Return the <derivation> object of PACKAGE for SYSTEM."
|
||
|
||
;; Compute the derivation and cache the result. Caching is important
|
||
;; because some derivations, such as the implicit inputs of the GNU build
|
||
;; system, will be queried many, many times in a row.
|
||
(cached package (cons system graft?)
|
||
(let* ((bag (package->bag package system #f #:graft? graft?))
|
||
(drv (bag->derivation store bag package)))
|
||
(if graft?
|
||
(match (bag-grafts store bag)
|
||
(()
|
||
drv)
|
||
(grafts
|
||
(let ((guile (package-derivation store (default-guile)
|
||
system #:graft? #f)))
|
||
;; TODO: As an optimization, we can simply graft the tip
|
||
;; of the derivation graph since 'graft-derivation'
|
||
;; recurses anyway.
|
||
(graft-derivation store drv grafts
|
||
#:system system
|
||
#:guile guile))))
|
||
drv))))
|
||
|
||
(define* (package-cross-derivation store package target
|
||
#:optional (system (%current-system))
|
||
#:key (graft? (%graft?)))
|
||
"Cross-build PACKAGE for TARGET (a GNU triplet) from host SYSTEM (a Guix
|
||
system identifying string)."
|
||
(cached package (list system target graft?)
|
||
(let* ((bag (package->bag package system target #:graft? graft?))
|
||
(drv (bag->derivation store bag package)))
|
||
(if graft?
|
||
(match (bag-grafts store bag)
|
||
(()
|
||
drv)
|
||
(grafts
|
||
(graft-derivation store drv grafts
|
||
#:system system
|
||
#:guile
|
||
(package-derivation store (default-guile)
|
||
system #:graft? #f))))
|
||
drv))))
|
||
|
||
(define* (package-output store package
|
||
#:optional (output "out") (system (%current-system)))
|
||
"Return the output path of PACKAGE's OUTPUT for SYSTEM---where OUTPUT is the
|
||
symbolic output name, such as \"out\". Note that this procedure calls
|
||
`package-derivation', which is costly."
|
||
(let ((drv (package-derivation store package system)))
|
||
(derivation->output-path drv output)))
|
||
|
||
|
||
;;;
|
||
;;; Monadic interface.
|
||
;;;
|
||
|
||
(define (set-guile-for-build guile)
|
||
"This monadic procedure changes the Guile currently used to run the build
|
||
code of derivations to GUILE, a package object."
|
||
(lambda (store)
|
||
(let ((guile (package-derivation store guile)))
|
||
(values (%guile-for-build guile) store))))
|
||
|
||
(define* (package-file package
|
||
#:optional file
|
||
#:key
|
||
system (output "out") target)
|
||
"Return as a monadic value the absolute file name of FILE within the
|
||
OUTPUT directory of PACKAGE. When FILE is omitted, return the name of the
|
||
OUTPUT directory of PACKAGE. When TARGET is true, use it as a
|
||
cross-compilation target triplet."
|
||
(lambda (store)
|
||
(define compute-derivation
|
||
(if target
|
||
(cut package-cross-derivation <> <> target <>)
|
||
package-derivation))
|
||
|
||
(let* ((system (or system (%current-system)))
|
||
(drv (compute-derivation store package system))
|
||
(out (derivation->output-path drv output)))
|
||
(values (if file
|
||
(string-append out "/" file)
|
||
out)
|
||
store))))
|
||
|
||
(define package->derivation
|
||
(store-lift package-derivation))
|
||
|
||
(define package->cross-derivation
|
||
(store-lift package-cross-derivation))
|
||
|
||
(define-gexp-compiler (package-compiler (package <package>) system target)
|
||
;; Compile PACKAGE to a derivation for SYSTEM, optionally cross-compiled for
|
||
;; TARGET. This is used when referring to a package from within a gexp.
|
||
(if target
|
||
(package->cross-derivation package target system)
|
||
(package->derivation package system)))
|
||
|
||
(define* (origin->derivation origin
|
||
#:optional (system (%current-system)))
|
||
"Return the derivation corresponding to ORIGIN."
|
||
(match origin
|
||
(($ <origin> uri method sha256 name (= force ()) #f)
|
||
;; No patches, no snippet: this is a fixed-output derivation.
|
||
(method uri 'sha256 sha256 name #:system system))
|
||
(($ <origin> uri method sha256 name (= force (patches ...)) snippet
|
||
(flags ...) inputs (modules ...) guile-for-build)
|
||
;; Patches and/or a snippet.
|
||
(mlet %store-monad ((source (method uri 'sha256 sha256 name
|
||
#:system system))
|
||
(guile (package->derivation (or guile-for-build
|
||
(default-guile))
|
||
system
|
||
#:graft? #f)))
|
||
(patch-and-repack source patches
|
||
#:inputs inputs
|
||
#:snippet snippet
|
||
#:flags flags
|
||
#:system system
|
||
#:modules modules
|
||
#:guile-for-build guile)))))
|
||
|
||
(define-gexp-compiler (origin-compiler (origin <origin>) system target)
|
||
;; Compile ORIGIN to a derivation for SYSTEM. This is used when referring
|
||
;; to an origin from within a gexp.
|
||
(origin->derivation origin system))
|
||
|
||
(define package-source-derivation ;somewhat deprecated
|
||
(let ((lower (store-lower lower-object)))
|
||
(lambda* (store source #:optional (system (%current-system)))
|
||
"Return the derivation or file corresponding to SOURCE, which can be an
|
||
a file name or any object handled by 'lower-object', such as an <origin>.
|
||
When SOURCE is a file name, return either the interned file name (if SOURCE is
|
||
outside of the store) or SOURCE itself (if SOURCE is already a store item.)"
|
||
(match source
|
||
((and (? string?) (? direct-store-path?) file)
|
||
file)
|
||
((? string? file)
|
||
(add-to-store store (basename file) #t "sha256" file))
|
||
(_
|
||
(lower store source system))))))
|