;;; 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")

i.scm?id=d450b77abd65b7f66d98ef418b5f68e40ea8f8cf'>libffi.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/libffi.scm?id=d450b77abd65b7f66d98ef418b5f68e40ea8f8cf&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-07-16 20:12:06 +0200'>2020-07-16</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=702a10125724c2af7eadfab3a9edf71c3d32936b'>gnu: Use HTTPS for github.com (and subdomains) home pages.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-05-29 23:36:38 +0200'>2020-05-29</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=fe6d003908fd8278de65761bc550240c520ef9f4'>Merge branch 'master' into staging</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-29 15:41:29 +0200'>2020-05-29</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=075afce25eb1de1710bd3f93bd42b49343af4222'>gnu: ruby-libffi: Enable tests and unbundle LibFFI.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-29 15:41:28 +0200'>2020-05-29</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=77209ddd51f010b92ff18a865da10e8def7cde5e'>gnu: ruby-ffi: Update to 1.12.2.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-26 22:32:52 +0200'>2020-05-26</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=d708be82a70a2de9ead189456de84828a186b7d7'>gnu: python-cffi: Update to 1.14.0.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-01-24 20:44:35 +0100'>2020-01-24</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=41fdad9f8c48a674d758c9835ab8640a9192a1a6'>gnu: python-cffi: Update to 1.13.2.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-12-05 17:59:00 +0100'>2019-12-05</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=5f1000d5d4cc4dfc9a1fe220457c17ad011d9e33'>gnu: libffi: Update to 3.3.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-05-25 00:25:15 +0200'>2019-05-25</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=57df83e07d4b5e78d9a54c1a88d05b4a9ed65714'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-05-24 21:54:31 +0200'>2019-05-24</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=9d0c291e3e6d226cdfd4cebee0a389ad24fa748f'>gnu: Move Sphinx and friends to (gnu packages sphinx).</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-05-04 13:52:57 -0400'>2019-05-04</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=4e933afda42c41a5425fe460a0ee7ba5435e612b'>gnu: python-cffi: Fix tests.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2019-03-01 16:29:07 +0100'>2019-03-01</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=95dc93da8549381c3adbff31992d689836803137'>gnu: python-cffi: Build HTML documentation in separate derivation.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-02-18 23:17:27 +0100'>2019-02-18</span></td><td><a href='/guix/commit/gnu/packages/libffi.scm?id=d47e99e039fa23999ac9fa2146b33a2283a9cbb1'>gnu: ruby-ffi: Update to 1.10.0.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>