GIT_DESCRIBE_TAG=$(git describe --tags --always)
HUB=${HUB:-"docker.io/istio"}

# used by common/scripts/gobuild.sh
echo "istio.io/istio/pkg/version.buildVersion=${VERSION:-$BUILD_GIT_REVISION}"
echo "istio.io/istio/pkg/version.buildGitRevision=${BUILD_GIT_REVISION}"
echo "istio.io/istio/pkg/version.buildStatus=${tree_status}"
echo "istio.io/istio/pkg/version.buildTag=${GIT_DESCRIBE_TAG}"
echo "istio.io/istio/pkg/version.buildHub=${HUB}"

  --repo https://prometheus-community.github.io/helm-charts \
  -f "${WD}/values-prometheus.yaml" \
  > "${ADDONS}/prometheus.yaml"

function compressDashboard() {
  < "${DASHBOARDS}/$1" jq -c  > "${TMP}/$1"
}

# Set up grafana
{
  helm3 template grafana grafana \
    --namespace istio-system \
    --version "${GRAFANA_VERSION}" \
    --repo https://grafana.github.io/helm-charts \
    -f "${WD}/values-grafana.yaml"

      METALLB_IPS6=("${METALLB_IPS6[@]:1}")
    fi
  done
  RANGE="${RANGE%?}]"

  echo '
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: default-pool
  namespace: metallb-system
spec:
  addresses: '"$RANGE"'
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: default-l2
  namespace: metallb-system
spec:
  ipAddressPools:

    TARGET_OS=darwin
    readlink_flags=""
else
    echo "This system's OS, $LOCAL_OS, isn't supported"
    exit 1
fi

# Build image to use
TOOLS_REGISTRY_PROVIDER=${TOOLS_REGISTRY_PROVIDER:-gcr.io}
PROJECT_ID=${PROJECT_ID:-istio-testing}
if [[ "${IMAGE_VERSION:-}" == "" ]]; then
  IMAGE_VERSION=master-b0f2fd3b4240c8178b14de4689d0e663e11868ff
fi
if [[ "${IMAGE_NAME:-}" == "" ]]; then
  IMAGE_NAME=build-tools
fi

# $1 = repo
function getSha() {
  git ls-remote "https://github.com/istio/${1}.git" "refs/heads/${UPDATE_BRANCH}" | cut -f 1
}

make update-common

export GO111MODULE=on
go get -u "istio.io/api@${UPDATE_BRANCH}"
go get -u "istio.io/client-go@${UPDATE_BRANCH}"
go mod tidy

sed -i "s/^BUILDER_SHA=.*\$/BUILDER_SHA=$(getSha release-builder)/" prow/release-commit.sh
chmod +x prow/release-commit.sh

# first check if there's a replace: e.g. replace istio.io/api => github.com/USER/istioapi v0.0.0-<timestamp>-<SHA>
SHA=$(grep "istio.io/api" go.mod | grep "^replace" | awk -F "-" '{print $NF}')
if [ -n "${SHA}" ]; then
  REPO=$(grep "istio.io/api" go.mod | grep "^replace" | awk '{print $4}')
else
  SHA=$(grep "istio.io/api" go.mod | head -n1 | awk '{ print $2 }')

  if [[ -n "${PULL_NUMBER:=}" ]]
  then
    # Presubmit
    url="https://prow.istio.io/view/gs/istio-prow/pr-logs/pull/${REPO_OWNER}_${REPO_NAME}/${PULL_NUMBER}/${JOB_NAME}/${BUILD_ID},"
  else
    # Postsubmit or periodic
    url="https://prow.istio.io/view/gs/istio-prow/pr-logs/${JOB_NAME}/${BUILD_ID},"
  fi
  # Use printf instead of echo to avoid spaces between args