update repository references and improve script handling

hassio-google-drive-backup/cloudbuild-dev.yaml

@@ -0,0 +1,17 @@
+# How to use:
+#    cd hassio-google-drive-backup
+#    gcloud config set project hassio-drive-backup 
+#    gcloud builds submit --config cloudbuild-dev.yaml --substitutions _DOCKERHUB_PASSWORD=<PASSWORD>
+
+steps:
+- name: "gcr.io/cloud-builders/docker"
+  entrypoint: "bash"
+  args: ["-c", "docker login --username=sabeechen --password=${_DOCKERHUB_PASSWORD}"]
+- name: 'gcr.io/cloud-builders/docker'
+  args: [ 'build', '-f', 'Dockerfile-addon',  '-t', 'sabeechen/hassio-google-drive-backup-dev-amd64:${_VERSION}', "--build-arg", "BUILD_FROM=homeassistant/amd64-base", '.' ]
+substitutions:
+  _DOCKERHUB_PASSWORD: "define me" # default value
+  _VERSION: "dev-testing" # default value
+images:
+- "sabeechen/hassio-google-drive-backup-dev-amd64:${_VERSION}"
+