private final T head;
        private final PersistentList<T> tail;

        public Cons(T head, PersistentList<T> tail) {
            this.head = head;
            this.tail = tail;
        }

        @Override
        public void forEach(Consumer<? super T> consumer) {
            consumer.accept(head);
            tail.forEach(consumer);
        }

fi

# Stat the objects from source site
echo "Stat minio1/test-bucket/obj"
SRC_OUT_1=$(aws s3api --endpoint-url https://localhost:9001 head-object --bucket test-bucket --key obj --checksum-mode ENABLED --no-verify-ssl --profile enterprise)
SRC_OUT_2=$(aws s3api --endpoint-url https://localhost:9001 head-object --bucket test-bucket --key mpartobj --checksum-mode ENABLED --no-verify-ssl --profile enterprise)

BUILDER_SHA=159efd4a18a7325192c4f7cb0acbe5648bfb8658

# Reference to the next minor version of Istio
# This will create a version like 1.4-alpha.sha
NEXT_VERSION=$(cat "${ROOT}/VERSION")
TAG=$(git rev-parse HEAD)
VERSION="${NEXT_VERSION}-alpha.${TAG}"

# In CI we want to store the outputs to artifacts, which will preserve the build
# If not specified, we can just create a temporary directory
WORK_DIR="$(mktemp -d)/build"

BUILD_TOOLS_ORG ?= "istio"

update-common:
	@mkdir -p $(TMP)
	@git clone -q --depth 1 --single-branch --branch $(UPDATE_BRANCH) https://github.com/$(BUILD_TOOLS_ORG)/common-files $(TMP)/common-files
	@cd $(TMP)/common-files ; git rev-parse HEAD >files/common/.commonfiles.sha
	@rm -fr common
# istio/community has its own CONTRIBUTING.md file.
	@CONTRIB_OVERRIDE=$(shell grep -l "istio/community/blob/master/CONTRIBUTING.md" CONTRIBUTING.md)

  query="${TOOLS_REGISTRY_PROVIDER}/${PROJECT_ID}/${IMAGE_NAME}:${prefix}-*"
  latest="$("${CONTAINER_CLI}" images --filter=reference="${query}" --format "{{.CreatedAt|json}}~{{.Repository}}:{{.Tag}}~{{.CreatedSince}}" | sort -n -r | head -n1)"
  IMG="$(<<<"$latest" cut -d~ -f2)"
  if [[ "${IMG}" == "" ]]; then
    echo "Attempted to use LATEST_CACHED_IMAGE, but found no images matching ${query}" >&2
    exit 1
  fi