;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2018, 2019 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/>.

;;; Commentary:
;;;
;;; This script updates the list of new and updated packages in 'NEWS'.
;;;
;;; Code:

(use-modules (gnu) (guix)
             (guix build utils)
             ((guix ui) #:select (fill-paragraph))
           </td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=dba326def16de29fd09adf65ba9794aa99197891'>refs</a><a href='/guix/log/gnu/tests/mail.scm'>log</a><a href='/guix/tree/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>tree</a><a class='active' href='/guix/commit/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>commit</a><a href='/guix/diff/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests/mail.scm'>
<input type='hidden' name='id' value='dba326def16de29fd09adf65ba9794aa99197891'/><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='path'>path: <a href='/guix/commit/?id=dba326def16de29fd09adf65ba9794aa99197891'>root</a>/<a href='/guix/commit/gnu?id=dba326def16de29fd09adf65ba9794aa99197891'>gnu</a>/<a href='/guix/commit/gnu/tests?id=dba326def16de29fd09adf65ba9794aa99197891'>tests</a>/<a href='/guix/commit/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>mail.scm</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='dba326def16de29fd09adf65ba9794aa99197891'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;</td><td class='right'>2019-01-20 17:00:17 +0100</td></tr>
<tr><th>committer</th><td>Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;</td><td class='right'>2019-01-21 03:12:25 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>dba326def16de29fd09adf65ba9794aa99197891</a> (<a href='/guix/patch/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=dba326def16de29fd09adf65ba9794aa99197891'>67e95f8eace2734f4179b41a6cc7d136c46cb63b</a> /<a href='/guix/tree/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891'>gnu/tests/mail.scm</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/gnu/tests/mail.scm?id=17634f0b2ad1f2e3f1a0c49a159ab82f423b2288'>17634f0b2ad1f2e3f1a0c49a159ab82f423b2288</a> (<a href='/guix/diff/gnu/tests/mail.scm?id=dba326def16de29fd09adf65ba9794aa99197891&amp;id2=17634f0b2ad1f2e3f1a0c49a159ab82f423b2288'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-dba326def16de29fd09adf65ba9794aa99197891.tar.gz'>guix-dba326def16de29fd09adf65ba9794aa99197891.tar.gz</a><br/><a href='/guix/snapshot/guix-dba326def16de29fd09adf65ba9794aa99197891.zip'>guix-dba326def16de29fd09adf65ba9794aa99197891.zip</a><br/></td></tr></table>
<div class='commit-subject'>gnu: vlc: Update to 3.0.6.</div><div class='commit-msg'>* gnu/packages/video.scm (vlc): Update to 3.0.6.
</div><div class='diffstat-header'><a href='/guix/diff/?id=dba326def16de29fd09adf65ba9794aa99197891'>Diffstat</a> (limited to 'gnu/tests/mail.scm')</div><table summary='diffstat' class='diffstat'></table><div class='diffstat-summary'>0 files changed, 0 insertions, 0 deletions</div><table summary='diff' class='diff'><tr><td></td></tr></table></div> <!-- class=content -->
                         <div class=footer>generated by
                             <a href="https://git.zx2c4.com/cgit/about/">
                                 cgit
                             </a>
                         </div>
                        </div> <!-- id=cgit -->
</body>
</html>
                                          (string-append package " "
                                                                   version)))
                                                 noteworthy)))
                                 (format port
                                         "~a ~a package updates~%~%Noteworthy updates:~%~a~%~%"
                                         stars (length upgraded)
                                         (enumeration->paragraph lst)))))))))


(define (main . args)
  (match args
    ((news-file data-directory)
     ;; Don't browse things listed in the user's $GUIX_PACKAGE_PATH and
     ;; in external channels.
     (parameterize ((%package-module-path
                     %default-package-module-path))
       (define (package-file version)
         (string-append data-directory "/packages-"
                        version ".txt"))

       (define (package<? p1 p2)
         (string<? (package-full-name p1) (package-full-name p2)))

       (let-values (((previous-version new-version)
                     (call-with-input-file news-file NEWS->versions)))
         (format (current-error-port) "Updating NEWS for ~a to ~a...~%"
                 previous-version new-version)
         (let* ((old (call-with-input-file (package-file previous-version)
                       read))
                (all-packages/sorted (sort (fold-packages (lambda (p r)
                                                            (cons p r))
                                                          '())
                                           package<?))
                (new (map (lambda (p)
                            (cons (package-name p) (package-version p)))
                          all-packages/sorted)))
           (call-with-output-file (package-file new-version)
             (lambda (port)
               (pretty-print new port)))

           (write-packages-added news-file old new)
           (write-packages-updates news-file old new)))))
    (x
     (format (current-error-port) "Usage: update-NEWS NEWS-FILE DATA-DIRECTORY

Update the list of new and updated packages in NEWS-FILE using the
previous-version package list from DATA-DIRECTORY.\n")
     (exit 1))))

(apply main (cdr (command-line)))