1722d6800f
* distro.scm (package-files): Adjust PREFIX-LEN to use the top-level directory, not %DISTRO-MODULE-DIRECTORY. * distro/packages/base.scm (guile-reader, guile-reader/guile-1.8, guile-reader/guile-2.0, lout, recutils): Move to... * distro/packages/guile.scm, distro/packages/typesetting.scm, distro/packages/databases.scm: ... here. New files. * Makefile.am (MODULES): Add them. (EXTRA_DIST): Add `.dir-locals.el'. * .dir-locals.el: New file, with settings formerly in `base.scm'.
107 lines
3.9 KiB
Scheme
107 lines
3.9 KiB
Scheme
;;; 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)
|
|
#:use-module (guix packages)
|
|
#:use-module (guix utils)
|
|
#:use-module (ice-9 ftw)
|
|
#:use-module (srfi srfi-1)
|
|
#:use-module (srfi srfi-26)
|
|
#:use-module (srfi srfi-39)
|
|
#:export (search-patch
|
|
%patch-directory
|
|
find-packages-by-name))
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; General utilities for the software distribution---i.e., the modules under
|
|
;;; (distro ...).
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define _ (cut gettext <> "guix"))
|
|
|
|
(define %patch-directory
|
|
(make-parameter
|
|
(or (getenv "DISTRO_PATCH_DIRECTORY")
|
|
(compile-time-value (getenv "DISTRO_INSTALLED_PATCH_DIRECTORY")))))
|
|
|
|
(define (search-patch file-name)
|
|
"Search the patch FILE-NAME."
|
|
(search-path (list (%patch-directory)) file-name))
|
|
|
|
(define %distro-module-directory
|
|
;; Absolute path of the (distro ...) module root.
|
|
(string-append (dirname (search-path %load-path "distro.scm"))
|
|
"/distro/packages"))
|
|
|
|
(define (package-files)
|
|
"Return the list of files that implement distro modules."
|
|
(define prefix-len
|
|
(string-length (dirname (search-path %load-path "distro.scm"))))
|
|
|
|
(file-system-fold (const #t) ; enter?
|
|
(lambda (path stat result) ; leaf
|
|
(if (string-suffix? ".scm" path)
|
|
(cons (substring path prefix-len) result)
|
|
result))
|
|
(lambda (path stat result) ; down
|
|
result)
|
|
(lambda (path stat result) ; up
|
|
result)
|
|
(const #f) ; skip
|
|
(lambda (path stat errno result)
|
|
(format (current-error-port)
|
|
(_ "warning: cannot access `~a': ~a")
|
|
path (strerror errno))
|
|
result)
|
|
'()
|
|
%distro-module-directory
|
|
stat))
|
|
|
|
(define (package-modules)
|
|
"Return the list of modules that provide packages for the distribution."
|
|
(define not-slash
|
|
(char-set-complement (char-set #\/)))
|
|
|
|
(filter-map (lambda (path)
|
|
(let ((name (map string->symbol
|
|
(string-tokenize (string-drop-right path 4)
|
|
not-slash))))
|
|
(false-if-exception (resolve-interface name))))
|
|
(package-files)))
|
|
|
|
(define* (find-packages-by-name name #:optional version)
|
|
"Return the list of packages with the given NAME. If VERSION is not #f,
|
|
then only return packages whose version is equal to VERSION."
|
|
(define right-package?
|
|
(if version
|
|
(lambda (p)
|
|
(and (package? p)
|
|
(string=? (package-name p) name)
|
|
(string=? (package-version p) version)))
|
|
(lambda (p)
|
|
(and (package? p)
|
|
(string=? (package-name p) name)))))
|
|
|
|
(append-map (lambda (module)
|
|
(filter right-package?
|
|
(module-map (lambda (sym var)
|
|
(variable-ref var))
|
|
module)))
|
|
(package-modules)))
|