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Add a declarative packaging layer.

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* Makefile.am (MODULES): Add `guix/packages.scm' and `distro/base.scm'.
  (TESTS): Add `tests/packages.scm'.
  (EXTRA_DIST): New variable.

* guix/packages.scm, distro/base.scm, tests/packages.scm: New files.

* guix/http.scm (http-fetch): Make `name' an optional argument, to match
  the expectations of `package-source-derivation'.
This commit is contained in:
Ludovic Courtès 2012-06-28 01:24:34 +02:00
parent e1e8874ee8
commit e3ce5d709f
5 changed files with 235 additions and 3 deletions
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8
Makefile.am
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@ -26,7 +26,9 @@ MODULES = \
guix/build/gnu-build-system.scm \
guix/build/http.scm \
guix/build/utils.scm \
guix.scm
guix/packages.scm \
guix.scm \
distro/base.scm
GOBJECTS = $(MODULES:%.scm=%.go)
@ -36,13 +38,15 @@ nobase_nodist_guilemodule_DATA = $(GOBJECTS)
TESTS = \
tests/builders.scm \
tests/derivations.scm \
tests/utils.scm
tests/utils.scm \
tests/packages.scm
TESTS_ENVIRONMENT = \
NIXPKGS="$(NIXPKGS)" \
GUILE_LOAD_COMPILED_PATH="$(top_builddir):$$GUILE_LOAD_COMPILED_PATH" \
$(GUILE) -L "$(top_srcdir)"
EXTRA_DIST = $(TESTS)
CLEANFILES = $(GOBJECTS) *.log
.scm.go:

49
distro/base.scm Normal file
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@ -0,0 +1,49 @@
;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guix.
;;;
;;; Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (distro base)
#:use-module (guix packages)
#:use-module (guix http)
#:use-module (guix build-system gnu)
#:use-module (guix utils))
;;; Commentary:
;;;
;;; A Guix-based distribution.
;;;
;;; Code:
(define-public hello
(package
(name "hello")
(version "2.8")
(source (source
(method http-fetch)
(uri "http://ftp.gnu.org/gnu/hello/hello-2.8.tar.gz")
(sha256
(nix-base32-string->bytevector ; TODO: make conversion implicit
"0wqd8sjmxfskrflaxywc7gqw7sfawrfvdxd9skxawzfgyy0pzdz6"))))
(build-system gnu-build-system)
(arguments '(#:configure-flags
`("--disable-dependency-tracking"
,(string-append "--with-gawk=" ; for illustration purposes
(assoc-ref %build-inputs "gawk")))))
(inputs `(("gawk" ,(nixpkgs-derivation "gawk"))))
(description "GNU Hello")
(long-description "Yeah...")
(license "GPLv3+")))

3
guix/http.scm
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@ -28,7 +28,8 @@
;;; Code:
(define* (http-fetch store url hash-algo hash
#:key name (system (%current-system)))
#:optional name
#:key (system (%current-system)))
"Return the path of a fixed-output derivation in STORE that fetches URL,
which is expected to have hash HASH of type HASH-ALGO (a symbol). By
default, the file name is the base name of URL; optionally, NAME can specify

127
guix/packages.scm Normal file
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@ -0,0 +1,127 @@
;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guix.
;;;
;;; Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix packages)
#:use-module (guix utils)
#:use-module (guix store)
#:use-module (guix build-system)
#:use-module (ice-9 match)
#:export (source
package-source?
package-source-uri
package-source-method
package-source-sha256
package-source-file-name
package
package?
package-name
package-version
package-source
package-build-system
package-arguments
package-inputs
package-native-inputs
package-outputs
package-search-paths
package-description
package-long-description
package-license
package-platforms
package-maintainers
package-source-derivation
package-derivation
package-cross-derivation))
;;; Commentary:
;;;
;;; This module provides a high-level mechanism to define packages in a
;;; Guix-based distribution.
;;;
;;; Code:
(define-record-type* <package-source>
source make-package-source
package-source?
(uri package-source-uri) ; string
(method package-source-method) ; symbol
(sha256 package-source-sha256) ; bytevector
(file-name package-source-file-name ; optional file name
(default #f)))
(define-record-type* <package>
package make-package
package?
(name package-name) ; string
(version package-version) ; string
(source package-source) ; <package-source> instance
(build-system package-build-system) ; build system
(arguments package-arguments) ; arguments for the build method
(inputs package-inputs ; input packages or derivations
(default '()))
(native-inputs package-native-inputs ; native input packages/derivations
(default '()))
(outputs package-outputs ; list of strings
(default '("out")))
(search-paths package-search-paths ; list of (ENV-VAR (DIRS ...))
(default '())) ; tuples; see
; `set-path-environment-variable'
; (aka. "setup-hook")
(description package-description) ; one-line description
(long-description package-long-description) ; one or two paragraphs
(license package-license (default '()))
(platforms package-platforms (default '()))
(maintainers package-maintainers (default '())))
(define (package-source-derivation store source)
"Return the derivation path for SOURCE, a package source."
(match source
(($ <package-source> uri method sha256 name)
(method store uri 'sha256 sha256 name))))
(define* (package-derivation store package
#:optional (system (%current-system)))
"Return the derivation of PACKAGE for SYSTEM."
(match package
(($ <package> name version source (= build-system-builder builder)
args inputs native-inputs outputs)
;; TODO: For `search-paths', add a builder prologue that calls
;; `set-path-environment-variable'.
(let ((inputs (map (match-lambda
(((? string? name) (and package ($ <package>)))
(list name (package-derivation store package)))
(((? string? name) (and package ($ <package>))
(? string? sub-drv))
(list name (package-derivation store package)
sub-drv))
(((? string? name)
(and (? string?) (? derivation-path?) drv))
(list name drv)))
(append native-inputs inputs))))
(apply builder
store (string-append name "-" version)
(package-source-derivation store source)
inputs
#:outputs outputs #:system system
args)))))
(define* (package-cross-derivation store package)
;; TODO
#f)

51
tests/packages.scm Normal file
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@ -0,0 +1,51 @@
;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guix.
;;;
;;; Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-packages)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix derivations)
#:use-module (guix packages)
#:use-module (distro base)
#:use-module (srfi srfi-64))
;; Test the high-level packaging layer.
(define %store
(false-if-exception (open-connection)))
(test-begin "packages")
(test-skip (if (not %store) 1 0))
(test-assert "GNU Hello"
(and (package? hello)
(let* ((drv (package-derivation %store hello))
(out (derivation-path->output-path drv)))
(and (build-derivations %store (list drv))
(file-exists? (string-append out "/bin/hello"))))))
(test-end "packages")
(exit (= (test-runner-fail-count (test-runner-current)) 0))
;;; Local Variables:
;;; eval: (put 'test-assert 'scheme-indent-function 1)
;;; End: