Might as well make the Transifex->Pootle switch official on a scripts level

This commit sponsored by Ben Sturmfels.  Thank you!

devtools/update_translations.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# GNU MediaGoblin -- federated, autonomous media hosting
+# Copyright (C) 2011, 2012 GNU MediaGoblin contributors.  See AUTHORS.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# exit if anything fails
+set -e
+
+## Maybe we'll uncomment these post-merge to master
+
+# echo "==> checking out master"
+# git checkout master
+
+# echo "==> pulling git master"
+# git pull
+
+echo "==> pulling present translations"
+rsync --exclude-from="devtools/pootle-exclude.txt" -vaz chapters.gnu.org::pootle/mediagoblin/ mediagoblin/i18n/
+
+echo "==> Extracting translations"
+./bin/pybabel extract -F babel.ini -o mediagoblin/i18n/templates/mediagoblin.pot .
+
+echo "==> Compiling .mo files"
+./devtools/compile_translations.sh
+
+echo "==> Committing to git"
+git add mediagoblin/i18n/
+
+git commit -m "Committing extracted and compiled translations" || true
+
+echo "... done.  Now consider pushing up those commits!"