export GIT_SHA
  fi
  GIT_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
  export GIT_BRANCH
  setup_gcloud_credentials
}

# Download and unpack istio release artifacts.
function download_untar_istio_release() {
  local url_path=${1}
  local tag=${2}
  local dir=${3:-.}
  # Download artifacts
  LINUX_DIST_URL="${url_path}/istio-${tag}-linux.tar.gz"

  wget  -q "${LINUX_DIST_URL}" -P "${dir}"