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authorLudovic Courtès <ludo@gnu.org>2020-05-21 23:25:23 +0200
committerLudovic Courtès <ludo@gnu.org>2020-05-22 00:35:23 +0200
commit1ad5209d904d471ded6cf53b4e29b64e963dea3f (patch)
treeb06d124000073c4f101ac6bced8df077808595ec /build-aux
parent5e46b827cf79c064372a99537e469505218def0a (diff)
maint: Add "make check-channel-news".
* build-aux/check-channel-news.scm: New file. * Makefile.am (EXTRA_DIST): Add it. (check-channel-news): New phony rule. * doc/contributing.texi (Commit Access): Mention "make check-channel-news".
Diffstat (limited to 'build-aux')
-rw-r--r--build-aux/check-channel-news.scm82
1 files changed, 82 insertions, 0 deletions
diff --git a/build-aux/check-channel-news.scm b/build-aux/check-channel-news.scm
new file mode 100644
index 0000000000..eb7b89e437
--- /dev/null
+++ b/build-aux/check-channel-news.scm
@@ -0,0 +1,82 @@
+;;; 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))))