diff --git a/list-bucket.sh b/list-bucket.sh
index 63ba30d..dc0f376 100755
--- a/list-bucket.sh
+++ b/list-bucket.sh
@@ -1,9 +1,13 @@
 #!/usr/bin/env bash
 
-AccessToken=$(gcloud auth print-identity-token)
-Response=$(aws sts assume-role-with-web-identity --role-arn "${AWS_ROLE_ARN}" --role-session "cloud-guild" --web-identity-token "$AccessToken")
-export AWS_ACCESS_KEY_ID=$(echo $Response | jq -r .Credentials.AccessKeyId)
-export AWS_SECRET_ACCESS_KEY=$(echo $Response | jq -r .Credentials.SecretAccessKey)
-export AWS_SESSION_TOKEN=$(echo $Response | jq -r .Credentials.SessionToken)
+set -euo pipefail
 
-aws s3 ls
+echo $AWS_ROLE_ARN
+gcloud auth print-identity-token
+# AccessToken=$(gcloud auth print-identity-token)
+# Response=$(aws sts assume-role-with-web-identity --role-arn "${AWS_ROLE_ARN}" --role-session "cloud-guild" --web-identity-token "$AccessToken")
+# export AWS_ACCESS_KEY_ID=$(echo $Response | jq -r .Credentials.AccessKeyId)
+# export AWS_SECRET_ACCESS_KEY=$(echo $Response | jq -r .Credentials.SecretAccessKey)
+# export AWS_SESSION_TOKEN=$(echo $Response | jq -r .Credentials.SessionToken)
+
+# aws s3 ls