;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 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/>.

;;;
;;; Validate 'etc/news.scm'.
;;;

(use-modules (git)
             (guix git)
             (guix ui)
             (guix channels)
             (srfi srfi-26)
             (ice-9 match))

;; XXX: These two things are currently private.
(define read-channel-news (@@ (guix channels) read-channel-news))
(define channel-news-entries (cut struct-ref <> 0))

(define (all-the-news directory)
  "Return the <channel-news> read from DIRECTORY, a checkout of the 'guix'
channel."
  (call-with-input-file (string-append directory "/etc/news.scm")
    read-channel-news))

(define (validate-texinfo str type language)
  "Parse STR as a Texinfo fragment and raise an error if that fails."
  (catch #t
    (lambda ()
      (texi->plain-text str))
    (lambda (key . args)
      (print-exception (current-error-port) #f key args)
      (report-error (G_ "the Texinfo snippet below is invalid (~a, ~a):~%")
                    type language)
      (display str (current-error-port))
      (exit 1))))

(define (validate-news-entry repository entry)
  "Validate ENTRY, a <channel-news-entry>, making sure it refers to an
existent commit of REPOSITORY and contains only valid Texinfo."
  (catch 'git-error
    (lambda ()
      (let ((commit (commit-lookup repository
                                   (string->oid
                                    (channel-news-entry-commit entry)))))
        (for-each (match-lambda
                    ((language . title)
                     (validate-texinfo title 'title language)))
                  (channel-news-entry-title entry))
        (for-each (match-lambda
                    ((language . body)
                     (validate-texinfo body 'body language)))
                  (channel-news-entry-body entry))))
    (lambda (key error . rest)
      (if (= GIT_ENOTFOUND (git-error-code error))
          (leave (G_ "commit '~a' of entry '~a' does not exist~%")
                 (channel-news-entry-commit entry)
                 (channel-news-entry-title entry))
          (apply throw key error rest)))))

(let* ((this-directory (dirname (current-filename)))
       (top-directory  (string-append this-directory "/.."))
       (entries        (channel-news-entries (all-the-news top-directory))))
  (with-repository top-directory repository
    (for-each (cut validate-news-entry repository <>)
              entries)
    (info (G_ "All ~a channel news entries are valid.~%")
          (length entries))))
gnu/system/linux-initrd.scm?id=cd19c920b7bf15af6b8ea06aa5021487d65773a6'>linux-initrd: Support XFS.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/linux-initrd.scm (file-system-packages):
Add xfs_repair/static when needed.
(file-system-type-modules): Add ‘xfs’ module when needed.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-09-23 18:17:16 +0200'>2021-09-23</span></td><td><a href='/guix/commit/gnu/system/linux-initrd.scm?id=15489291d93bcd67e30eed686da0d58050ce1c0e'>linux-initrd: Include only the single ‘bcachefs’ binary.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/linux-initrd.scm (file-system-packages): Substitute
bcachefs/static for bcachefs-tools/static.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-09-23 18:17:16 +0200'>2021-09-23</span></td><td><a href='/guix/commit/gnu/system/linux-initrd.scm?id=68b219b9f482f09e7c55aaee4b64222d8c86172a'>gnu: Don't abuse check-btrfs-file-system to scan.</a><span class='msg-avail'>...<span class='msg-tooltip'>It was never guaranteed to be run for non-root file systems.  It was for
root file systems only due to a bug now fixed.

* gnu/build/file-systems.scm (check-btrfs-file-system): Don't invoke
‘btrfs device scan’ here.
* gnu/system/linux-initrd.scm (raw-initrd): Do so here if any btrfs file
systems are present.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-07-08 09:39:05 +0300'>2021-07-08</span></td><td><a href='/guix/commit/gnu/system/linux-initrd.scm?id=49e2e75ced01a821c84eb776cf42a36664eaa834'>gnu: %guile-3.0-static-stripped: Rename to %guile-static-stripped.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/make-bootstrap.scm (%guile-3.0-static-stripped): Rename
to %guile-static-stripped.
(%guile-bootstrap-tarball): Adjust accordingly.
* gnu/system/linux-initrd.scm (expression-&gt;initrd): Use
%guile-static-stripped as default guile.
* doc/guix.texi (initial RAM disk)[expression-&gt;initrd]: Adjust
documentation accordingly.
</span></span></td><td>Efraim Flashner</td></tr>