;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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/>.

;; Build Guix using Guix.

(use-modules (srfi srfi-26))

;; Add ~/.config/guix/current to the search path.
(eval-when (expand load eval)
  (and=> (or (getenv "XDG_CONFIG_HOME")
             (and=> (getenv "HOME")
                    (cut string-append <> "/.config/guix/current")))
         (lambda (current)
           (set! %load-path
             (cons (string-append current "/share/guile/site/"
                                  (effective-version))
                   %load-path))
           (set! %load-compiled-path
             (cons (string-append current "/lib/guile/" (effective-version)
                                  "/site-ccache")
                   %load-compiled-path)))))

(use-modules (guix) (guix ui)
             (guix git-download)
             (ice-9 match))

(match (command-line)
  ((program source)
   (with-error-handling
     (with-store store
       (let* ((script (string-append source "/build-aux/build-self.scm"))
              (build  (primitive-load script))
              (git?   (git-predicate source)))
         (run-with-store store
           ;; TODO: Extract #:version and #:commit using Guile-Git.
           (mlet* %store-monad ((source (interned-file source "guix-source"
                                                       #:select? git?
                                                       #:recursive? #t))
                                (drv    (build source #:pull-version 1)))
             (mbegin %store-monad
               (show-what-to-build* (list drv))
               (built-derivations (list drv))
               (with-monad %store-monad
                 (display (derivation->output-path drv))
                 (newline)
                 (return drv))))))))))
n title='2020-12-04 23:45:08 +0100'>2020-12-04</span></td><td><a href='/guix/commit/etc/completion?id=611ae310f4ca1d93600c280e940a69b07e20c350'>bash completion: Complete file names after '-f' and '-l'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-24 17:53:02 +0200'>2020-09-24</span></td><td><a href='/guix/commit/etc/completion?id=8e0c5033b17fcf1e4596ee9a3d52157900acc6fa'>bash completion: Adjust to new 'guix help' output.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-21 23:33:49 +0200'>2020-09-21</span></td><td><a href='/guix/commit/etc/completion?id=92951bf46c42021f6f6521839c9c4ff2f88b8386'>bash completion: Complete file names after 'guix package -p'.</a><span class='msg-avail'>...</span></td><td>Fulbert</td></tr>
<tr><td><span title='2020-09-10 12:27:24 +0200'>2020-09-10</span></td><td><a href='/guix/commit/etc/completion?id=2ba81afcc204024255ce548e2c4cc4aed5541093'>bash completion: Restore completion for 'guix system', etc.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/etc/completion?id=4b4f890cb03d7c5b958fe08553dfad2f39a1d4f2'>bash completion: Complete 'guix environment' properly.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-04 23:26:43 +0200'>2020-06-04</span></td><td><a href='/guix/commit/etc/completion?id=538ca8dd65f0075cc65bcca18ed87f66a789290a'>bash completion: Complete sub-commands after 'guix time-machine'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-04 23:26:43 +0200'>2020-06-04</span></td><td><a href='/guix/commit/etc/completion?id=b7bb381ba3740d33652c2a8e7772c17b93b259cc'>bash completion: Complete file names after '-p' and '-C'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-05-13 09:30:26 +0300'>2020-05-13</span></td><td><a href='/guix/commit/etc/completion?id=3c986a7dc268756c097212de958f046b29b76c1b'>mailmap: Update entries for Nikita.</a><span class='msg-avail'>...</span></td><td>nikita</td></tr>
<tr><td><span title='2020-02-14 17:49:26 +0100'>2020-02-14</span></td><td><a href='/guix/commit/etc/completion?id=11415d35064cdba5cec1139aede18099cfa14547'>guix build: Add '--manifest' option.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-11-26 00:16:36 +0100'>2019-11-26</span></td><td><a href='/guix/commit/etc/completion?id=dc209d5a5ddba4320c9a4f893d6df4b70f3685a0'>guix build, daemon: Rename "--no-build-hook" to "--no-offload".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-29 10:13:44 +0200'>2019-04-29</span></td><td><a href='/guix/commit/etc/completion?id=d824cfbabeb0780c9ea7a6dab02c47b6a4d029c6'>guix package: Add 'install', 'remove', and 'upgrade' aliases.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-18 15:05:08 +0100'>2019-03-18</span></td><td><a href='/guix/commit/etc/completion?id=47956fa0c24efcdcba3493f0231c30e9a39ec7df'>Correct name and email address for ng0.</a><span class='msg-avail'>...</span></td><td>ng0</td></tr>
<tr><td><span title='2018-11-06 00:04:11 +0100'>2018-11-06</span></td><td><a href='/guix/commit/etc/completion?id=7082873ea2771ebef900333e0fa7468d6395f330'>bash completion: Restore completion of available packages for 'guix build'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>