;;; 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
                                 <pre>
/**
 * part of Hydrilla
 * Routines for querying in-memory scriptbase, operating on data structures from
 * `scripbase.h&apos;.
 *
 * Copyright (C) 2021 Wojtek Kosior
 * Redistribution terms are gathered in the `copyright&apos; file.
 */

#include &lt;stddef.h&gt;
#include &lt;regex.h&gt;
#include &lt;stdbool.h&gt;
#include &lt;string.h&gt;

#include &quot;hashtable.h&quot;
#include &quot;string_buf.h&quot;

#include &quot;scriptbase.h&quot;

#define MAX_URL_PATH_LEN 12
#define MAX_URL_PATH_CHARS 255
#define MAX_DOMAIN_LEN 7
#define MAX_DOMAIN_CHARS 100

const struct script *get_script(const char *name, struct scriptbase *base)
{
	void *val;

	if (ht_get_threadsafe(&amp;base-&gt;scripts, name, NULL, &amp;val))
		return NULL;

	return ((struct script*) val)-&gt;filled ? val : NULL;
}

const struct bag *get_bag(const char *name, struct scriptbase *base)
{
	void *val;

	if (ht_get_threadsafe(&amp;base-&gt;bags, name, NULL, &amp;val))
		return NULL;

	return ((struct bag*) val)-&gt;filled ? val : NULL;
}

const struct page *get_pattern(const char *pattern, struct scriptbase *base)
{
	void *val = NULL;

	ht_get_threadsafe(&amp;base-&gt;pag