Added remote global build tag/cache for multi-arch builds

travis-build-scripts/cleanup-cache.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# © Copyright IBM Corporation 2020
+#
+# 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.
+
+echo 'Cleaning up remote cache' && echo -en 'travis_fold:start:cleanup\\r'
+./travis-build-scripts/artifact-util.sh -c ${CACHE_PATH} -u ${REPOSITORY_USER} -p ${REPOSITORY_CREDENTIAL} -f cache/tagcache --delete
+./travis-build-scripts/artifact-util.sh -c ${CACHE_PATH} -u ${REPOSITORY_USER} -p ${REPOSITORY_CREDENTIAL} -f cache/tagcache --delete-namespace
+echo -en 'travis_fold:end:cleanup\\r'