;;; 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))))))))))
<th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests/version-control.scm?id=f870977e6ac5a37f1e42af7e97c78c1e28dadfc8&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-10-06 07:18:01 +0000'>2021-10-06</span></td><td><a href='/guix/commit/gnu/tests/version-control.scm?id=5ec0c48fd457c9f68f0cbaa3b7dec9dc780b17ae'>tests: gitile: Increase VM memory size.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-09-26 23:20:56 +0200'>2021-09-26</span></td><td><a href='/guix/commit/gnu/tests/version-control.scm?id=89b05442933d92f4b21c3294455a498e8333727d'>tests: Reduce boilerplate for users of 'system-test-runner'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-25 18:52:05 +0200'>2021-09-25</span></td><td><a href='/guix/commit/gnu/tests/version-control.scm?id=1fb75128a5202b406622da6272bc809c46d1f439'>tests: Adjust to SRFI-64 as found in Guile 3.0.7.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-02 22:56:55 +0200'>2021-09-02</span></td><td><a href='/guix/commit/gnu/tests/version-control.scm?id=c60daa8e9dfa5f641ecb5f4f3a9135e27b58d2d7'>gnu: version-control: Add gitile service.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-11-07 12:07:41 +0100'>2020-11-07</span></td><td><a href='/guix/commit/gnu/tests/version-control.scm?id=de6b649f8031cc2fa45099a3c41d78c2e302fdf2'>tests: git-http: Avoid race condition.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>