fail action if cdk subcommand exits with non-zero exit code

Author: dumastaylorPFG

entrypoint.sh

@@ -68,8 +68,11 @@ function runCdk(){
 	echo "${output}"
 
 	commentStatus="Failed"
-	if [ "${exitCode}" == "0" -o "${exitCode}" == "1" ]; then
+	if [ "${exitCode}" == "0" ]; then
 		commentStatus="Success"
+	elif [ "${exitCode}" != "0" ]; then
+		echo "CDK subcommand ${INPUT_CDK_SUBCOMMAND} for stack ${INPUT_CDK_STACK} has failed. See above console output for more details."
+		exit 1
 	fi
 
 	if [ "$GITHUB_EVENT_NAME" == "pull_request" ] && [ "${INPUT_ACTIONS_COMMENT}" == "true" ]; then