chore(i18n): add scripts for pulling translations & updating files

Script for pulling translations from Weblate was taken from
7a220077c5
and adjusted for qTox needs.

tools/pull-translations.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+#
+#    Copyright © 2016 Daniel Martí <mvdan@mvdan.cc>
+#    Copyright © 2016 Zetok Zalbavar <zetok@openmailbox.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/>.
+
+# This script pulls translations from weblate.
+#
+# It squashes all the changes into a single commit. This removes authorship
+# from the changes, which is given to the Translatebot, so to keep the names
+# they are grabbed from git log and added to the commit message.
+#
+# Note that this will apply changes and commit them! Make sure to not have
+# uncommited changes when running this script.
+#
+# Note 2: after applying changes, files will be cleaned up before committing.
+
+REMOTE="weblate"
+REMOTE_URL="git://git.weblate.org/qtox.git"
+REMOTE_BRANCH="master"
+
+AUTHOR="qTox translations <>"
+
+if ! git ls-remote --exit-code $REMOTE >/dev/null 2>/dev/null; then
+    git add "$REMOTE" "$REMOTE_URL"
+    git fetch "$REMOTE"
+fi
+
+ref="${REMOTE}/${REMOTE_BRANCH}"
+diff="HEAD...$ref -- translations/*.ts"
+
+authors=$(git log --format="%s %an" $diff | \
+	sed 's/Translated using Weblate (\(.*\)) \(.*\)/\2||\1/' | sort -f -u | column -s '||' -t)
+
+git diff $diff | git apply
+
+# clean up before committing
+bash tools/update-translation-files.sh
+
+git add translations/*
+
+git commit --author "$AUTHOR" -m "feat(l10n): Update translations from Weblate
+
+Translators:
+
+$authors"

tools/update-translation-files.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+#
+#    Copyright © 2016 Zetok Zalbavar <zetok@openmailbox.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/>.
+
+# Script for updating translation files.  Should be ran after
+# translatable strings are modified.
+#
+# Needed, since Weblate cannot do it automatically.
+
+# Usage:
+#   ./tools/$script_name
+
+for translation in translations/*.ts
+do
+    lupdate -pro qtox.pro -no-obsolete -locations none -ts $translation
+done