Create propose_translation_update for horizon

Add slave-file to handle horizon translations.
Setup periodic job to import horizon translations the same way its done
for other projects.

Change-Id: I0e28f0268e7f3fdea9d5f22d2e896b0079410ea6

files/slave_scripts/propose_translation_update_horizon.sh

@@ -0,0 +1,91 @@
+#!/bin/bash -xe
+
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+ORG=openstack
+PROJECT=horizon
+COMMIT_MSG="Imported Translations from Transifex"
+
+git config user.name "OpenStack Proposal Bot"
+git config user.email "openstack-infra@lists.openstack.org"
+git config gitreview.username "proposal-bot"
+
+git review -s
+
+# See if there is an open change in the transifex/translations topic
+# If so, get the change id for the existing change for use in the commit msg.
+change_info=`ssh -p 29418 proposal-bot@review.openstack.org gerrit query --current-patch-set status:open project:$ORG/$PROJECT topic:transifex/translations owner:proposal-bot`
+previous=`echo "$change_info" | grep "^  number:" | awk '{print $2}'`
+if [ "x${previous}" != "x" ] ; then
+    change_id=`echo "$change_info" | grep "^change" | awk '{print $2}'`
+    # read return a non zero value when it reaches EOF. Because we use a
+    # heredoc here it will always reach EOF and return a nonzero value.
+    # Disable -e temporarily to get around the read.
+    set +e
+    read -d '' COMMIT_MSG <<EOF
+Imported Translations from Transifex
+
+Change-Id: $change_id
+EOF
+    set -e
+fi
+
+# Initialize the transifex client, if there's no .tx directory
+if [ ! -d .tx ] ; then
+    tx init --host=https://www.transifex.com
+fi
+
+# Horizon JavaScript Translations
+tx set --auto-local -r ${PROJECT}.${PROJECT}-js-translations \
+"${PROJECT}/locale/<lang>/LC_MESSAGES/djangojs.po" --source-lang en \
+--source-file ${PROJECT}/locale/en/LC_MESSAGES/djangojs.po -t PO --execute
+# Horizon Translations
+tx set --auto-local -r ${PROJECT}.${PROJECT}-translations \
+"${PROJECT}/locale/<lang>/LC_MESSAGES/django.po" --source-lang en \
+--source-file ${PROJECT}/locale/en/LC_MESSAGES/django.po -t PO --execute
+# OpenStack Dashboard Translations
+tx set --auto-local -r ${PROJECT}.openstack-dashboard-translations \
+"openstack_dashboard/locale/<lang>/LC_MESSAGES/django.po" --source-lang en \
+--source-file openstack_dashboard/locale/en/LC_MESSAGES/django.po -t PO --execute
+
+# Pull all upstream translations
+tx pull -a -f
+
+# Invoke run_tests.sh to update the po files
+# Or else, "../manage.py makemessages" can be used.
+./run_tests.sh --makemessages -V
+
+# Add all changed files to git
+git add horizon/locale/* openstack_dashboard/locale/*
+
+# Don't send files where the only things which have changed are the
+# creation date, the version number, the revision date, or comment
+# lines.
+for f in `git diff --cached --name-only`
+do
+  if [ `git diff --cached $f |egrep -v "(POT-Creation-Date|Project-Id-Version|PO-Revision-Date|^\+{3}|^\-{3}|^[-+]#)" | egrep -c "^[\-\+]"` -eq 0 ]
+  then
+      git reset -q $f
+      git checkout -- $f
+  fi
+done
+
+# Don't send a review if nothing has changed.
+if [ `git diff --cached |wc -l` -gt 0 ]
+then
+    # Commit and review
+    git commit -F- <<EOF
+$COMMIT_MSG
+EOF
+    git review -t transifex/translations
+fi