rm "${PATCH_OUT}"
      echo "WARNING: patch file was too large to persist ($(du -h "${PATCH_OUT}"))"
      return 0
    fi
    outName="artifacts/${PATCH_OUT#"${ARTIFACTS}"/}"
    patchFile="${PROW_ARTIFACTS_BASE:-https://gcsweb.istio.io/gcs/istio-prow}/pr-logs/pull/${REPO_OWNER}_${REPO_NAME}/${PULL_NUMBER}/${JOB_NAME}/${BUILD_ID}/${outName}"
    echo "You can also try applying the patch file from the build artifacts:

import (
	"fmt"
	"net/url"
	"strings"

	"istio.io/istio/pkg/env"
)

var (
	runningInCI   = env.Register("CI", false, "If true, indicates we are running in CI").Get()
	artifactsBase = env.Register("PROW_ARTIFACTS_BASE", "https://gcsweb.istio.io/gcs/istio-prow", "the base url for prow artifacts").Get()
	// https://github.com/kubernetes/test-infra/blob/master/prow/jobs.md#job-environment-variables

endif

PULL_POLICY ?= IfNotPresent
ifeq ($(TAG),latest)
  PULL_POLICY = Always
endif
ifeq ($(PULL_POLICY),)
  $(error "PULL_POLICY cannot be empty")
endif

PROW_ARTIFACTS_BASE ?= https://gcsweb.istio.io/gcs/istio-prow

include tools/proto/proto.mk

.PHONY: default
default: init build test

.PHONY: init