[CI] Improve error handling

Author: Corneil du Plessis

src/deploy/carvel/carvel-add-package.sh

@@ -33,7 +33,7 @@ if [ "$REPO_SECRET_REF" = "" ]; then
 fi
 
 echo "Using secretRef=$REPO_SECRET_REF in $PACKAGE_NAME for $PACKAGE"
-
+set -e
 kubectl apply --namespace $NS -f -  <<EOF
 apiVersion: packaging.carvel.dev/v1alpha1
 kind: PackageRepository

src/deploy/carvel/setup-scdf-repo.sh

@@ -53,8 +53,8 @@ if [ "$PACKAGE" = "" ]; then
     fi
 fi
 echo "Adding repository for $PACKAGE"
+set -e
 "$SCDIR/carvel-add-package.sh" "$PACKAGE" "$PACKAGE_NAME" "$NS"
-
 end_time=$(date +%s)
 elapsed=$((end_time - start_time))
 echo -e "Setup SCDF Carvel Repo in ${bold}$elapsed${end} seconds"