;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Joshua S. Grant <jgrant@parenthetical.io>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@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/>.

(define-module (gnu)
  #:use-module (guix i18n)
  #:use-mo</td></tr></table>
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<input type='hidden' name='id' value='ef126b97553c8119d9478d368c3fd51fa3471b72'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='content'><div id='summary'><pre>
#!/bin/sh
# Create the build system.

set -e -x

# Generate stubs for translations.
langs=`find po/doc -type f -name &apos;guix-manual*.po&apos; \
        | sed -e &apos;s,.*/guix-manual\.,,;s,\.po$,,&apos;`
for lang in ${langs}; do
    if [ ! -e &quot;doc/guix.${lang}.texi&quot; ]; then
	echo &quot;@setfilename guix.${lang}.info&quot; &gt; &quot;doc/guix.${lang}.texi&quot;
	echo &quot;@include version-${lang}.texi&quot; &gt;&gt; &quot;doc/guix.${lang}.texi&quot;
	# Ensure .po file is newer.
	touch &quot;po/doc/guix-manual.${lang}.po&quot;
    fi
done
langs=`find po/doc -type f -name &apos;guix-cookbook*.po&apos; \
        | sed -e &apos;s,.*/guix-cookbook\.,,;s,\.po$,,&apos;`
for lang in ${langs}; do
    if [ ! -e &quot;doc/guix-cookbook.${lang}.texi&quot; ]; then
	echo &quot;@setfilename guix-cookbook.${lang}.info&quot; &gt; &quot;doc/guix-cookbook.${lang}.texi&quot;
	# Ensure .po file is newer.
	touch &quot;po/doc/guix-cookbook.${lang}.po&quot;
    fi
done

autoreconf -vfi

# Replace Automake&apos;s build-aux/mdate-sh with build-aux/mdate-from-git, our
# own, reproducible version.
chmod +w build-aux/mdate-sh
rm -f build-aux/mdate-sh
ln -s mdate-from-git.scm build-aux/mdate-sh
</pre>
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f you get the line @code{location: gnu/packages/bar.scm:174:2},
add @code{bar} to the @code{use-package-modules} form.")))))
    ((package _ ...)
     (condition
      (&fix-hint
       (hint (format #f (G_ "\
Try adding @code{(use-package-modules ~a)}.")
                     (basename (location-file (package-location package))
                               ".scm"))))))))

(define (service-module-hint module)
  (define last-name
    (match module
      ((_ ... last)
       last)))

  (match (lookup-service-types last-name)
    (()
     (condition
      (&fix-hint
       (hint (format #f (G_ "\
You may use @command{guix system search ~a} to search for a service
matching @code{~a}.
If you get the line @code{location: gnu/services/foo.scm:188:2},
add @code{foo} to the @code{use-service-modules} form.")
                     last-name last-name)))))
    ((package _ ...)
     (condition
      (&fix-hint
       (hint (format #f (G_ "\
Try adding @code{(use-service-modules ~a)}.")
                     (basename (location-file (service-type-location package))
                               ".scm"))))))))

(define-syntax-rule (try-use-modules hint modules ...)
  (eval-when (expand load eval)
    (%try-use-modules '(modules ...)
                      (source-properties->location
                       (current-source-location))
                      hint)))

(define-syntax-rule (use-package-modules module ...)
  (try-use-modules package-module-hint
                   (gnu packages module) ...))

(define-syntax-rule (use-service-modules module ...)
  (try-use-modules service-module-hint
                   (gnu services module) ...))

(define-syntax-rule (use-system-modules module ...)
  (try-use-modules (const #f)                     ;no hint
                   (gnu system module) ...))

;;; gnu.scm ends here