blob: 0bbd36be21de7ad24e0829308257caca223f62fc (
about) (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU 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.
;;;
;;; GNU 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This is an auxiliary file for the Emacs UI. It is used to add Guix
;; directories to path variables and to load the main code.
;;; Code:
(use-modules (ice-9 regex)
(srfi srfi-26))
(define %guix-dir)
;; The code is taken from ‘guix’ executable script
(define (set-paths!)
(define-syntax-rule (push! elt v) (set! v (cons elt v)))
(define config-lookup
(let ((config '(("prefix" . "@prefix@")
("guilemoduledir" . "@guilemoduledir@")))
(var-ref-regexp (make-regexp "\\$\\{([a-z]+)\\}")))
(define (expand-var-ref match)
(lookup (match:substring match 1)))
(define (expand str)
(regexp-substitute/global #f var-ref-regexp str
'pre expand-var-ref 'post))
(define (lookup name)
(expand (assoc-ref config name)))
lookup))
(let ((module-dir (config-lookup "guilemoduledir"))
(updates-dir (and=> (or (getenv "XDG_CONFIG_HOME")
(and=> (getenv "HOME")
(cut string-append <> "/.config")))
(cut string-append <> "/guix/latest"))))
(push! module-dir %load-path)
(push! module-dir %load-compiled-path)
(if (and updates-dir (file-exists? updates-dir))
(begin
(set! %guix-dir updates-dir)
(push! updates-dir %load-path)
(push! updates-dir %load-compiled-path))
(set! %guix-dir module-dir))))
(set-paths!)
(load-from-path "guix-main")
|
