diff options
| -rwxr-xr-x | build-aux/xgettext.scm | 87 | ||||
| -rw-r--r-- | po/guix/Makevars | 7 | ||||
| -rw-r--r-- | po/packages/Makevars | 10 |
3 files changed, 101 insertions, 3 deletions
diff --git a/build-aux/xgettext.scm b/build-aux/xgettext.scm new file mode 100755 index 0000000000..e8a970f251 --- /dev/null +++ b/build-aux/xgettext.scm @@ -0,0 +1,87 @@ +#! /bin/sh +# -*-scheme-*- +build_aux=$(dirname $0) +srcdir=$build_aux/.. +exec guile --no-auto-compile -L $srcdir -C $srcdir -e main -s "$0" "$@" +!# + +;;; Copyright © 2024 Janneke Nieuwenhuizen <janneke@gnu.org> +;;; +;;; This program 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. +;;; +;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + +;;;; Commentary: +;;; +;;; This script provides an xgettext wrapper to (re)set POT-Creation-Date from +;;; a Git timestamp. Test doing something like: +;;; +;;; build-aux/xgettext.scm --files-from=po/guix/POTFILES.in --default-domain=test +;;; +;;;; Code: + +(use-modules (srfi srfi-1) + (srfi srfi-26) + (ice-9 curried-definitions) + (ice-9 match) + (ice-9 popen) + (ice-9 rdelim) + (guix build utils)) + +(define ((option? name) option) + (string-prefix? name option)) + +(define (get-option args name) + (let ((option (find (option? name) args))) + (and option + (substring option (string-length name))))) + +(define (pipe-command command) + (let* ((port (apply open-pipe* OPEN_READ command)) + (output (read-string port))) + (close-port port) + output)) + + +;;; +;;; Entry point. +;;; +(define (main args) + ;; Cater for being run in a container. + (setenv "LC_ALL" "en_US.UTF-8") + (setenv "TZ" "UTC0") + (fluid-set! %default-port-encoding #f) + (let* ((files-from (get-option args "--files-from=")) + (default-domain (get-option args "--default-domain=")) + (directory (or (get-option args "--directory=") ".")) + (xgettext (or (get-option args "--xgettext=") "xgettext")) + (xgettext-args (filter (negate (option? "--xgettext=")) args)) + (command (match xgettext-args + ((xgettext.scm args ...) + `(,xgettext ,@args)))) + (result (apply system* command)) + (status (/ result 256))) + (if (or (not (zero? status)) + (not files-from)) + (exit status) + (let* ((text (with-input-from-file files-from read-string)) + (lines (string-split text #\newline)) + (files (filter (negate (cute string-prefix? "#" <>)) lines)) + (files (map (cute string-append directory "/" <>) files)) + (git-command `("git" "log" "--pretty=format:%ci" "-n1" ,@files)) + (timestamp (pipe-command git-command)) + (po-file (string-append default-domain ".po"))) + (when (string-null? timestamp) + (exit 1)) + (substitute* po-file + (("(\"POT-Creation-Date: )[^\\]*" all header) + (string-append header timestamp))))))) diff --git a/po/guix/Makevars b/po/guix/Makevars index 88a4e8c7bc..4cfd0f431d 100644 --- a/po/guix/Makevars +++ b/po/guix/Makevars @@ -5,6 +5,10 @@ DOMAIN = guix subdir = po/guix top_builddir = ../.. +# We use our xgettext.scm wrapper to produce .PO files reproducibly using a +# timestamp from Git. +XGETTEXT:=$(top_srcdir)/build-aux/xgettext.scm + # These options get passed to xgettext. We want to catch standard # gettext uses, and SRFI-35 error condition messages. In C++ code # we use 'n_' instead of the more usual 'N_' for no-ops. @@ -14,7 +18,8 @@ XGETTEXT_OPTIONS = \ --keyword=message \ --keyword=description \ --keyword=synopsis \ - --keyword=n_ + --keyword=n_ \ + --xgettext=$(XGETTEXT_) COPYRIGHT_HOLDER = the authors of Guix (msgids) diff --git a/po/packages/Makevars b/po/packages/Makevars index 65912786d8..0ba4f1ba7e 100644 --- a/po/packages/Makevars +++ b/po/packages/Makevars @@ -6,12 +6,18 @@ DOMAIN = guix-packages subdir = po/packages top_builddir = ../.. +# We use our xgettext.scm wrapper to produce .PO files reproducibly using a +# timestamp from Git. The `real' xgettext is passed as an option to +# xgettext.scm +XGETTEXT:=$(top_srcdir)/build-aux/xgettext.scm + # These options get passed to xgettext. We want to catch exclusively package # synopses and descriptions. XGETTEXT_OPTIONS = \ --language=Scheme --from-code=UTF-8 \ - --keyword=synopsis --keyword=description \ - --keyword=output-synopsis:2 + --keyword=synopsis --keyword=description \ + --keyword=output-synopsis:2 \ + --xgettext=$(XGETTEXT_) COPYRIGHT_HOLDER = the authors of Guix (msgids) |